| Summary: | Kdump is not working in RHEL 6.2 | ||||||
|---|---|---|---|---|---|---|---|
| Product: | Red Hat Enterprise Linux 6 | Reporter: | Linux engineering teams - Veritas <linux26port> | ||||
| Component: | kernel | Assignee: | Red Hat Kernel Manager <kernel-mgr> | ||||
| Status: | CLOSED NOTABUG | QA Contact: | Red Hat Kernel QE team <kernel-qe> | ||||
| Severity: | high | Docs Contact: | |||||
| Priority: | unspecified | ||||||
| Version: | 6.2 | ||||||
| Target Milestone: | rc | ||||||
| Target Release: | --- | ||||||
| Hardware: | x86_64 | ||||||
| OS: | Linux | ||||||
| Whiteboard: | |||||||
| Fixed In Version: | Doc Type: | Bug Fix | |||||
| Doc Text: | Story Points: | --- | |||||
| Clone Of: | Environment: | ||||||
| Last Closed: | 2011-12-14 06:13:12 UTC | Type: | --- | ||||
| Regression: | --- | Mount Type: | --- | ||||
| Documentation: | --- | CRM: | |||||
| Verified Versions: | Category: | --- | |||||
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |||||
| Cloudforms Team: | --- | Target Upstream Version: | |||||
| Attachments: |
|
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(In reply to comment #0) > Created attachment 544354 [details] > dmesg > > Description of problem: > > > Version-Release number of selected component (if applicable): > > > How reproducible:It always reproducible > > > Steps to Reproduce: > 1.install kernel 2.6.32-220.el6.x86_64 > 2.if i type echo "c" > /proc/sysrq-trigger it crashes > 3.But it wont take dump and error msgs are produced as shown in additional info > > Actual results:it wont save dump and kernel panic - not syncing: Out of memory > and no killable processes... > > > Expected results:dump is saved in /var/crash > > > Additional info: > BUG: unable to handle kernel NULL pointer dereference at (null) > IP: [<ffffffff81325476>] sysrq_handle_crash+0x16/0x20 > PGD 22b003067 PUD 22bb71067 PMD 0 > Oops: 0002 [#1] SMP > last sysfs file: /sys/devices/system/cpu/cpu7/cache/index2/shared_cpu_map > CPU 1 > Modules linked in: ebtable_nat ebtables ipt_MASQUERADE iptable_nat nf_nat > xt_CHECKSUM iptable_mangle bridge stp llc autofs4 sunrpc cpufreq_ondemand > powernow_k8 freq_table mperf ipt_REJECT nf_conntrack_ipv4 nf_defrag_ipv4 > iptable_filter ip_tables ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 xt_state > nf_conntrack ip6table_filter ip6_tables ipv6 vhost_net macvtap macvlan tun > kvm_amd kvm uinput bnx2 sg ses enclosure microcode dcdbas serio_raw e1000e > k10temp amd64_edac_mod edac_core edac_mce_amd shpchp i2c_nforce2 ext4 mbcache > jbd2 sr_mod cdrom usb_storage sd_mod crc_t10dif qla2xxx scsi_transport_fc > scsi_tgt pata_acpi ata_generic sata_nv megaraid_sas radeon ttm drm_kms_helper > drm i2c_algo_bit i2c_core dm_mirror dm_region_hash dm_log dm_mod [last > unloaded: scsi_wait_scan] > > Pid: 2621, comm: bash Not tainted 2.6.32-220.el6.x86_64 #1 Dell Inc. PowerEdge > R805/0F705T > RIP: 0010:[<ffffffff81325476>] [<ffffffff81325476>] > sysrq_handle_crash+0x16/0x20 > RSP: 0018:ffff88012c593e18 EFLAGS: 00010096 > RAX: 0000000000000010 RBX: 0000000000000063 RCX: 000000000000120d > RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000063 > RBP: ffff88012c593e18 R08: ffffffff81c00680 R09: 0000000000000000 > R10: 00000000ffffffff R11: 0000000000000000 R12: 0000000000000000 > R13: ffffffff81afad40 R14: 0000000000000286 R15: 0000000000000004 > FS: 00007f043d9e4700(0000) GS:ffff880133c00000(0000) knlGS:0000000000000000 > CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > CR2: 0000000000000000 CR3: 000000022c3a9000 CR4: 00000000000006e0 > DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 > DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 > Process bash (pid: 2621, threadinfo ffff88012c592000, task ffff880129664100) > Stack: > ffff88012c593e68 ffffffff81325732 ffff880129664100 ffff880200000000 > <0> 0000000d80df4018 0000000000000002 ffff88022c366800 00007f043d9f4000 > <0> 0000000000000002 fffffffffffffffb ffff88012c593e98 ffffffff813257ee > Call Trace: > [<ffffffff81325732>] __handle_sysrq+0x132/0x1a0 > [<ffffffff813257ee>] write_sysrq_trigger+0x4e/0x50 > [<ffffffff811dae8e>] proc_reg_write+0x7e/0xc0 > [<ffffffff811765d8>] vfs_write+0xb8/0x1a0 > [<ffffffff81176fe1>] sys_write+0x51/0x90 > [<ffffffff8100b0f2>] system_call_fastpath+0x16/0x1b > Code: d0 88 81 63 f4 fc 81 c9 c3 66 66 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 > e5 0f 1f 44 00 00 c7 05 5d 1e 77 00 01 00 00 00 0f ae f8 <c6> 04 25 00 00 00 00 > 01 c9 c3 55 48 89 e5 0f 1f 44 00 00 8d 47 > RIP [<ffffffff81325476>] sysrq_handle_crash+0x16/0x20 > RSP <ffff88012c593e18> > CR2: 0000000000000000 > REWRITING MCP55 CFG REG > CFG = c1 > do_IRQ: 0.178 No irq handler for vector (irq -1) > ..MP-BIOS bug: 8254 timer not connected to IO-APIC > [Firmware Bug]: the BIOS has corrupted hw-PMU resources (MSR c0010000 is > 530076) > ERST: Can not request iomem region <0xffff88000a193e60-0xffff100014327cc0> for > ERST. > �Mounting proc filesystem > Mounting sysfs filesystem > Creating /dev > Creating initial device nodes > Free memory/Total memory (free %): 77900 / 113980 ( 68.3453 ) > Loading freq_table.ko module > Loading mperf.ko module > Loading ipt_REJECT.ko module > Loading nf_defrag_ipv4.ko module > Loading ip_tables.ko module > Loading nf_conntrack.ko module > Loading ip6_tables.ko module > Loading ipv6.ko module > Loading macvlan.ko module > Loading tun.ko module > Loading kvm.ko module > Loading uinput.ko module > Loading bnx2.ko module > Loading sg.ko module > Loading enclosure.ko module > Loading microcode.ko module > microcode: failed to load file amd-ucode/microcode_amd.bin > Loading dcdbas.ko module > Loading serio_raw.ko module > Loading e1000e.ko module > Loading k10temp.k10temp 0000:00:18.3: unreliable CPU thermal sensor; monitoring > disabled > ko module > k10temp 0000:00:19.3: unreliable CPU thermal sensor; monitoring disabled > Loading edac_core.ko module > Loading edac_mce_amd.ko module > Loading shpchp.ko module > Loading mbcache.ko module > Loading jbd2.ko module > Loading cdrom.ko module > Loading usb-storage.ko module > Waiting 8 seconds for driver initialization. > Loading crc-t10dif.ko module > Loading scsi_tgt.ko module > Loading pata_acpi.ko module > Loading ata_generic.ko module > Loading sata_nv.ko module > Loading megaraid_sas.ko module > megasas: INIT adapter done > Loading i2c-core.ko module > Loading dm-mod.ko module > Loading cpufreq_ondemand.ko module > Loading powernow-k8.ko module > Loading nf_conntrack_ipv4.ko module > Loading iptable_filter.ko module > Loading ip6t_REJECT.ko module > Loading nf_defrag_ipv6.ko module > Loading xt_state.ko module > Loading ip6table_filter.ko module > Loading macvtap.ko module > Loading kvm-amd.ko module > Loading ses.ko module > Loading amd64_edac_mod.ko module > Loading i2c-nforce2.ko module > Loading ext4.ko module > Loading sr_mod.ko module > Loading sd_mod.ko module > Loading scsi_transport_fc.ko module > Loading drm.ko module > Loading i2c-algo-bit.ko module > Loading dm-log.ko module > Loading nf_conntrack_ipv6.ko module > Loading vhost_net.ko module > Loading qla2xxx.ko module > Loading ttm.ko module > Loading drm_kms_helper.ko module > Loading dm-region-hash.ko module > Loading radeon.ko module > Loading dm-mirror.ko module > Waiting for required block device discovery > Waiting for 4 sda-like device(s)...Found > Creating Block Devices > Creating block device loop0 > Creating block device loop1 > Creating block device loop2 > Creating block device loop3 > Creating block device loop4 > Creating block device loop5 > Creating block device loop6 > Creating block device loop7 > Creating block device ram0 > Creating block device ram1 > Creating block device ram10 > Creating block device ram11 > Creating block device ram12 > Creating block device ram13 > Creating block device ram14 > Creating block device ram15 > Creating block device ram2 > Creating block device ram3 > Creating block device ram4 > Creating block device ram5 > Creating block device ram6 > Creating block device ram7 > Creating block device ram8 > Creating block device ram9 > Creating block device sda > Creating block device sdb > Creating block device sdc > Creating block device sr0 > Creating block device sr1 > Saving to the local filesystem /dev/sda2 > e2fsck 1.41.12 (17-May-2010) > fsck.ext4: No medium found while trying to open /dev/sda2 > > The superblock could not be read or does not describe a correct ext2 > filesystem. If the device is valid and it really contains an ext2 > filesystem (and not swap or ufs or something else), then the superblock > is corrupt, and you might try running e2fsck with an alternate superblock: > e2fsck -b 8193 <device> > > mount: mounting /dev/sda2 on /mnt failed: No medium found > Attempting to enter user-space to capture vmcore > Resetting kernel time value to BIOS time and timezone value to UTC. > Free memory/Total memory (free %): 63584 / 113980 ( 55.7852 ) > Creating root device. > Free memory/Total memory (free %): 63476 / 113980 ( 55.6905 ) > Checking root filesystem. > fsck (busybox 1.15.1, 2010-11-30 08:10:31 EST) > fsck: fsck.auto: No such file or directory > Mounting root filesystem: mount -t ext4 /dev/sdb2 /sysroot > grep: /proc/cmdline: No such file or directory > Loading SELINUX policy > Free memory/Total memory (free %): 20412 / 113980 ( 17.9084 ) > Switching to new root and running init. > Welcome to Red Hat Enterprise Linux Server > Starting udev: Out of memory: Kill process 1397 (rc.sysinit) score 1 or > sacrifice child > Killed process 1420, UID 0, (start_udev) total-vm:108524kB, anon-rss:516kB, > file-rss:364kB > Out of memory: Kill process 1397 (rc.sysinit) score 1 or sacrifice child > Killed process 1397, UID 0, (rc.sysinit) total-vm:108524kB, anon-rss:472kB, > file-rss:192kB > Out of memory: Kill process 1536 (udevadm) score 1 or sacrifice child > Killed process 1536, UID 0, (udevadm) total-vm:8448kB, anon-rss:92kB, > file-rss:60kB > Kernel panic - not syncing: Out of memory and no killable processes... (In reply to comment #0) > Created attachment 544354 [details] > dmesg > > Description of problem: > > > Version-Release number of selected component (if applicable): > > > How reproducible:It always reproducible > > > Steps to Reproduce: > 1.install kernel 2.6.32-220.el6.x86_64 > 2.if i type echo "c" > /proc/sysrq-trigger it crashes > 3.But it wont take dump and error msgs are produced as shown in additional info > > Actual results:it wont save dump and kernel panic - not syncing: Out of memory > and no killable processes... > > > Expected results:dump is saved in /var/crash > > > Additional info: > BUG: unable to handle kernel NULL pointer dereference at (null) > IP: [<ffffffff81325476>] sysrq_handle_crash+0x16/0x20 > PGD 22b003067 PUD 22bb71067 PMD 0 > Oops: 0002 [#1] SMP > last sysfs file: /sys/devices/system/cpu/cpu7/cache/index2/shared_cpu_map > CPU 1 > Modules linked in: ebtable_nat ebtables ipt_MASQUERADE iptable_nat nf_nat > xt_CHECKSUM iptable_mangle bridge stp llc autofs4 sunrpc cpufreq_ondemand > powernow_k8 freq_table mperf ipt_REJECT nf_conntrack_ipv4 nf_defrag_ipv4 > iptable_filter ip_tables ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 xt_state > nf_conntrack ip6table_filter ip6_tables ipv6 vhost_net macvtap macvlan tun > kvm_amd kvm uinput bnx2 sg ses enclosure microcode dcdbas serio_raw e1000e > k10temp amd64_edac_mod edac_core edac_mce_amd shpchp i2c_nforce2 ext4 mbcache > jbd2 sr_mod cdrom usb_storage sd_mod crc_t10dif qla2xxx scsi_transport_fc > scsi_tgt pata_acpi ata_generic sata_nv megaraid_sas radeon ttm drm_kms_helper > drm i2c_algo_bit i2c_core dm_mirror dm_region_hash dm_log dm_mod [last > unloaded: scsi_wait_scan] > > Pid: 2621, comm: bash Not tainted 2.6.32-220.el6.x86_64 #1 Dell Inc. PowerEdge > R805/0F705T > RIP: 0010:[<ffffffff81325476>] [<ffffffff81325476>] > sysrq_handle_crash+0x16/0x20 > RSP: 0018:ffff88012c593e18 EFLAGS: 00010096 > RAX: 0000000000000010 RBX: 0000000000000063 RCX: 000000000000120d > RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000063 > RBP: ffff88012c593e18 R08: ffffffff81c00680 R09: 0000000000000000 > R10: 00000000ffffffff R11: 0000000000000000 R12: 0000000000000000 > R13: ffffffff81afad40 R14: 0000000000000286 R15: 0000000000000004 > FS: 00007f043d9e4700(0000) GS:ffff880133c00000(0000) knlGS:0000000000000000 > CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > CR2: 0000000000000000 CR3: 000000022c3a9000 CR4: 00000000000006e0 > DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 > DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 > Process bash (pid: 2621, threadinfo ffff88012c592000, task ffff880129664100) > Stack: > ffff88012c593e68 ffffffff81325732 ffff880129664100 ffff880200000000 > <0> 0000000d80df4018 0000000000000002 ffff88022c366800 00007f043d9f4000 > <0> 0000000000000002 fffffffffffffffb ffff88012c593e98 ffffffff813257ee > Call Trace: > [<ffffffff81325732>] __handle_sysrq+0x132/0x1a0 > [<ffffffff813257ee>] write_sysrq_trigger+0x4e/0x50 > [<ffffffff811dae8e>] proc_reg_write+0x7e/0xc0 > [<ffffffff811765d8>] vfs_write+0xb8/0x1a0 > [<ffffffff81176fe1>] sys_write+0x51/0x90 > [<ffffffff8100b0f2>] system_call_fastpath+0x16/0x1b > Code: d0 88 81 63 f4 fc 81 c9 c3 66 66 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 > e5 0f 1f 44 00 00 c7 05 5d 1e 77 00 01 00 00 00 0f ae f8 <c6> 04 25 00 00 00 00 > 01 c9 c3 55 48 89 e5 0f 1f 44 00 00 8d 47 > RIP [<ffffffff81325476>] sysrq_handle_crash+0x16/0x20 > RSP <ffff88012c593e18> > CR2: 0000000000000000 > REWRITING MCP55 CFG REG > CFG = c1 > do_IRQ: 0.178 No irq handler for vector (irq -1) > ..MP-BIOS bug: 8254 timer not connected to IO-APIC > [Firmware Bug]: the BIOS has corrupted hw-PMU resources (MSR c0010000 is > 530076) > ERST: Can not request iomem region <0xffff88000a193e60-0xffff100014327cc0> for > ERST. > �Mounting proc filesystem > Mounting sysfs filesystem > Creating /dev > Creating initial device nodes > Free memory/Total memory (free %): 77900 / 113980 ( 68.3453 ) > Loading freq_table.ko module > Loading mperf.ko module > Loading ipt_REJECT.ko module > Loading nf_defrag_ipv4.ko module > Loading ip_tables.ko module > Loading nf_conntrack.ko module > Loading ip6_tables.ko module > Loading ipv6.ko module > Loading macvlan.ko module > Loading tun.ko module > Loading kvm.ko module > Loading uinput.ko module > Loading bnx2.ko module > Loading sg.ko module > Loading enclosure.ko module > Loading microcode.ko module > microcode: failed to load file amd-ucode/microcode_amd.bin > Loading dcdbas.ko module > Loading serio_raw.ko module > Loading e1000e.ko module > Loading k10temp.k10temp 0000:00:18.3: unreliable CPU thermal sensor; monitoring > disabled > ko module > k10temp 0000:00:19.3: unreliable CPU thermal sensor; monitoring disabled > Loading edac_core.ko module > Loading edac_mce_amd.ko module > Loading shpchp.ko module > Loading mbcache.ko module > Loading jbd2.ko module > Loading cdrom.ko module > Loading usb-storage.ko module > Waiting 8 seconds for driver initialization. > Loading crc-t10dif.ko module > Loading scsi_tgt.ko module > Loading pata_acpi.ko module > Loading ata_generic.ko module > Loading sata_nv.ko module > Loading megaraid_sas.ko module > megasas: INIT adapter done > Loading i2c-core.ko module > Loading dm-mod.ko module > Loading cpufreq_ondemand.ko module > Loading powernow-k8.ko module > Loading nf_conntrack_ipv4.ko module > Loading iptable_filter.ko module > Loading ip6t_REJECT.ko module > Loading nf_defrag_ipv6.ko module > Loading xt_state.ko module > Loading ip6table_filter.ko module > Loading macvtap.ko module > Loading kvm-amd.ko module > Loading ses.ko module > Loading amd64_edac_mod.ko module > Loading i2c-nforce2.ko module > Loading ext4.ko module > Loading sr_mod.ko module > Loading sd_mod.ko module > Loading scsi_transport_fc.ko module > Loading drm.ko module > Loading i2c-algo-bit.ko module > Loading dm-log.ko module > Loading nf_conntrack_ipv6.ko module > Loading vhost_net.ko module > Loading qla2xxx.ko module > Loading ttm.ko module > Loading drm_kms_helper.ko module > Loading dm-region-hash.ko module > Loading radeon.ko module > Loading dm-mirror.ko module > Waiting for required block device discovery > Waiting for 4 sda-like device(s)...Found > Creating Block Devices > Creating block device loop0 > Creating block device loop1 > Creating block device loop2 > Creating block device loop3 > Creating block device loop4 > Creating block device loop5 > Creating block device loop6 > Creating block device loop7 > Creating block device ram0 > Creating block device ram1 > Creating block device ram10 > Creating block device ram11 > Creating block device ram12 > Creating block device ram13 > Creating block device ram14 > Creating block device ram15 > Creating block device ram2 > Creating block device ram3 > Creating block device ram4 > Creating block device ram5 > Creating block device ram6 > Creating block device ram7 > Creating block device ram8 > Creating block device ram9 > Creating block device sda > Creating block device sdb > Creating block device sdc > Creating block device sr0 > Creating block device sr1 > Saving to the local filesystem /dev/sda2 > e2fsck 1.41.12 (17-May-2010) > fsck.ext4: No medium found while trying to open /dev/sda2 > > The superblock could not be read or does not describe a correct ext2 > filesystem. If the device is valid and it really contains an ext2 > filesystem (and not swap or ufs or something else), then the superblock > is corrupt, and you might try running e2fsck with an alternate superblock: > e2fsck -b 8193 <device> > > mount: mounting /dev/sda2 on /mnt failed: No medium found > Attempting to enter user-space to capture vmcore > Resetting kernel time value to BIOS time and timezone value to UTC. > Free memory/Total memory (free %): 63584 / 113980 ( 55.7852 ) > Creating root device. > Free memory/Total memory (free %): 63476 / 113980 ( 55.6905 ) > Checking root filesystem. > fsck (busybox 1.15.1, 2010-11-30 08:10:31 EST) > fsck: fsck.auto: No such file or directory > Mounting root filesystem: mount -t ext4 /dev/sdb2 /sysroot > grep: /proc/cmdline: No such file or directory > Loading SELINUX policy > Free memory/Total memory (free %): 20412 / 113980 ( 17.9084 ) > Switching to new root and running init. > Welcome to Red Hat Enterprise Linux Server > Starting udev: Out of memory: Kill process 1397 (rc.sysinit) score 1 or > sacrifice child > Killed process 1420, UID 0, (start_udev) total-vm:108524kB, anon-rss:516kB, > file-rss:364kB > Out of memory: Kill process 1397 (rc.sysinit) score 1 or sacrifice child > Killed process 1397, UID 0, (rc.sysinit) total-vm:108524kB, anon-rss:472kB, > file-rss:192kB > Out of memory: Kill process 1536 (udevadm) score 1 or sacrifice child > Killed process 1536, UID 0, (udevadm) total-vm:8448kB, anon-rss:92kB, > file-rss:60kB > Kernel panic - not syncing: Out of memory and no killable processes... Updating Description of problem and version Release number Description of problem:In RHEL 6.2 if we crash the kernel It wont save dump and kernel is in panic state.Error messages as shown in additional information Version-Release number of selected component (if applicable):RHEL 6.2 How reproducible:It always reproducible Steps to Reproduce: 1.if we run command echo "c" > /proc/sysrq-trigger it crashes the kernel 2.But it wont save dump and error messages are produced as shown in additional information Actual results:Dump is not saved in /var/crash Directory Expected results:Dump is saved in /var/crash Directory (In reply to comment #0) > Created attachment 544354 [details] > dmesg > > Description of problem: > > > Version-Release number of selected component (if applicable): > > > How reproducible:It always reproducible > > > Steps to Reproduce: > 1.install kernel 2.6.32-220.el6.x86_64 > 2.if i type echo "c" > /proc/sysrq-trigger it crashes > 3.But it wont take dump and error msgs are produced as shown in additional info > > Actual results:it wont save dump and kernel panic - not syncing: Out of memory > and no killable processes... > > > Expected results:dump is saved in /var/crash > > > Additional info: > BUG: unable to handle kernel NULL pointer dereference at (null) > IP: [<ffffffff81325476>] sysrq_handle_crash+0x16/0x20 > PGD 22b003067 PUD 22bb71067 PMD 0 > Oops: 0002 [#1] SMP > last sysfs file: /sys/devices/system/cpu/cpu7/cache/index2/shared_cpu_map > CPU 1 > Modules linked in: ebtable_nat ebtables ipt_MASQUERADE iptable_nat nf_nat > xt_CHECKSUM iptable_mangle bridge stp llc autofs4 sunrpc cpufreq_ondemand > powernow_k8 freq_table mperf ipt_REJECT nf_conntrack_ipv4 nf_defrag_ipv4 > iptable_filter ip_tables ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 xt_state > nf_conntrack ip6table_filter ip6_tables ipv6 vhost_net macvtap macvlan tun > kvm_amd kvm uinput bnx2 sg ses enclosure microcode dcdbas serio_raw e1000e > k10temp amd64_edac_mod edac_core edac_mce_amd shpchp i2c_nforce2 ext4 mbcache > jbd2 sr_mod cdrom usb_storage sd_mod crc_t10dif qla2xxx scsi_transport_fc > scsi_tgt pata_acpi ata_generic sata_nv megaraid_sas radeon ttm drm_kms_helper > drm i2c_algo_bit i2c_core dm_mirror dm_region_hash dm_log dm_mod [last > unloaded: scsi_wait_scan] > > Pid: 2621, comm: bash Not tainted 2.6.32-220.el6.x86_64 #1 Dell Inc. PowerEdge > R805/0F705T > RIP: 0010:[<ffffffff81325476>] [<ffffffff81325476>] > sysrq_handle_crash+0x16/0x20 > RSP: 0018:ffff88012c593e18 EFLAGS: 00010096 > RAX: 0000000000000010 RBX: 0000000000000063 RCX: 000000000000120d > RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000063 > RBP: ffff88012c593e18 R08: ffffffff81c00680 R09: 0000000000000000 > R10: 00000000ffffffff R11: 0000000000000000 R12: 0000000000000000 > R13: ffffffff81afad40 R14: 0000000000000286 R15: 0000000000000004 > FS: 00007f043d9e4700(0000) GS:ffff880133c00000(0000) knlGS:0000000000000000 > CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > CR2: 0000000000000000 CR3: 000000022c3a9000 CR4: 00000000000006e0 > DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 > DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 > Process bash (pid: 2621, threadinfo ffff88012c592000, task ffff880129664100) > Stack: > ffff88012c593e68 ffffffff81325732 ffff880129664100 ffff880200000000 > <0> 0000000d80df4018 0000000000000002 ffff88022c366800 00007f043d9f4000 > <0> 0000000000000002 fffffffffffffffb ffff88012c593e98 ffffffff813257ee > Call Trace: > [<ffffffff81325732>] __handle_sysrq+0x132/0x1a0 > [<ffffffff813257ee>] write_sysrq_trigger+0x4e/0x50 > [<ffffffff811dae8e>] proc_reg_write+0x7e/0xc0 > [<ffffffff811765d8>] vfs_write+0xb8/0x1a0 > [<ffffffff81176fe1>] sys_write+0x51/0x90 > [<ffffffff8100b0f2>] system_call_fastpath+0x16/0x1b > Code: d0 88 81 63 f4 fc 81 c9 c3 66 66 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 > e5 0f 1f 44 00 00 c7 05 5d 1e 77 00 01 00 00 00 0f ae f8 <c6> 04 25 00 00 00 00 > 01 c9 c3 55 48 89 e5 0f 1f 44 00 00 8d 47 > RIP [<ffffffff81325476>] sysrq_handle_crash+0x16/0x20 > RSP <ffff88012c593e18> > CR2: 0000000000000000 > REWRITING MCP55 CFG REG > CFG = c1 > do_IRQ: 0.178 No irq handler for vector (irq -1) > ..MP-BIOS bug: 8254 timer not connected to IO-APIC > [Firmware Bug]: the BIOS has corrupted hw-PMU resources (MSR c0010000 is > 530076) > ERST: Can not request iomem region <0xffff88000a193e60-0xffff100014327cc0> for > ERST. > �Mounting proc filesystem > Mounting sysfs filesystem > Creating /dev > Creating initial device nodes > Free memory/Total memory (free %): 77900 / 113980 ( 68.3453 ) > Loading freq_table.ko module > Loading mperf.ko module > Loading ipt_REJECT.ko module > Loading nf_defrag_ipv4.ko module > Loading ip_tables.ko module > Loading nf_conntrack.ko module > Loading ip6_tables.ko module > Loading ipv6.ko module > Loading macvlan.ko module > Loading tun.ko module > Loading kvm.ko module > Loading uinput.ko module > Loading bnx2.ko module > Loading sg.ko module > Loading enclosure.ko module > Loading microcode.ko module > microcode: failed to load file amd-ucode/microcode_amd.bin > Loading dcdbas.ko module > Loading serio_raw.ko module > Loading e1000e.ko module > Loading k10temp.k10temp 0000:00:18.3: unreliable CPU thermal sensor; monitoring > disabled > ko module > k10temp 0000:00:19.3: unreliable CPU thermal sensor; monitoring disabled > Loading edac_core.ko module > Loading edac_mce_amd.ko module > Loading shpchp.ko module > Loading mbcache.ko module > Loading jbd2.ko module > Loading cdrom.ko module > Loading usb-storage.ko module > Waiting 8 seconds for driver initialization. > Loading crc-t10dif.ko module > Loading scsi_tgt.ko module > Loading pata_acpi.ko module > Loading ata_generic.ko module > Loading sata_nv.ko module > Loading megaraid_sas.ko module > megasas: INIT adapter done > Loading i2c-core.ko module > Loading dm-mod.ko module > Loading cpufreq_ondemand.ko module > Loading powernow-k8.ko module > Loading nf_conntrack_ipv4.ko module > Loading iptable_filter.ko module > Loading ip6t_REJECT.ko module > Loading nf_defrag_ipv6.ko module > Loading xt_state.ko module > Loading ip6table_filter.ko module > Loading macvtap.ko module > Loading kvm-amd.ko module > Loading ses.ko module > Loading amd64_edac_mod.ko module > Loading i2c-nforce2.ko module > Loading ext4.ko module > Loading sr_mod.ko module > Loading sd_mod.ko module > Loading scsi_transport_fc.ko module > Loading drm.ko module > Loading i2c-algo-bit.ko module > Loading dm-log.ko module > Loading nf_conntrack_ipv6.ko module > Loading vhost_net.ko module > Loading qla2xxx.ko module > Loading ttm.ko module > Loading drm_kms_helper.ko module > Loading dm-region-hash.ko module > Loading radeon.ko module > Loading dm-mirror.ko module > Waiting for required block device discovery > Waiting for 4 sda-like device(s)...Found > Creating Block Devices > Creating block device loop0 > Creating block device loop1 > Creating block device loop2 > Creating block device loop3 > Creating block device loop4 > Creating block device loop5 > Creating block device loop6 > Creating block device loop7 > Creating block device ram0 > Creating block device ram1 > Creating block device ram10 > Creating block device ram11 > Creating block device ram12 > Creating block device ram13 > Creating block device ram14 > Creating block device ram15 > Creating block device ram2 > Creating block device ram3 > Creating block device ram4 > Creating block device ram5 > Creating block device ram6 > Creating block device ram7 > Creating block device ram8 > Creating block device ram9 > Creating block device sda > Creating block device sdb > Creating block device sdc > Creating block device sr0 > Creating block device sr1 > Saving to the local filesystem /dev/sda2 > e2fsck 1.41.12 (17-May-2010) > fsck.ext4: No medium found while trying to open /dev/sda2 > > The superblock could not be read or does not describe a correct ext2 > filesystem. If the device is valid and it really contains an ext2 > filesystem (and not swap or ufs or something else), then the superblock > is corrupt, and you might try running e2fsck with an alternate superblock: > e2fsck -b 8193 <device> > > mount: mounting /dev/sda2 on /mnt failed: No medium found > Attempting to enter user-space to capture vmcore > Resetting kernel time value to BIOS time and timezone value to UTC. > Free memory/Total memory (free %): 63584 / 113980 ( 55.7852 ) > Creating root device. > Free memory/Total memory (free %): 63476 / 113980 ( 55.6905 ) > Checking root filesystem. > fsck (busybox 1.15.1, 2010-11-30 08:10:31 EST) > fsck: fsck.auto: No such file or directory > Mounting root filesystem: mount -t ext4 /dev/sdb2 /sysroot > grep: /proc/cmdline: No such file or directory > Loading SELINUX policy > Free memory/Total memory (free %): 20412 / 113980 ( 17.9084 ) > Switching to new root and running init. > Welcome to Red Hat Enterprise Linux Server > Starting udev: Out of memory: Kill process 1397 (rc.sysinit) score 1 or > sacrifice child > Killed process 1420, UID 0, (start_udev) total-vm:108524kB, anon-rss:516kB, > file-rss:364kB > Out of memory: Kill process 1397 (rc.sysinit) score 1 or sacrifice child > Killed process 1397, UID 0, (rc.sysinit) total-vm:108524kB, anon-rss:472kB, > file-rss:192kB > Out of memory: Kill process 1536 (udevadm) score 1 or sacrifice child > Killed process 1536, UID 0, (udevadm) total-vm:8448kB, anon-rss:92kB, > file-rss:60kB > Kernel panic - not syncing: Out of memory and no killable processes... This is Configuration issue.closing the Bug. |
Created attachment 544354 [details] dmesg Description of problem: Version-Release number of selected component (if applicable): How reproducible:It always reproducible Steps to Reproduce: 1.install kernel 2.6.32-220.el6.x86_64 2.if i type echo "c" > /proc/sysrq-trigger it crashes 3.But it wont take dump and error msgs are produced as shown in additional info Actual results:it wont save dump and kernel panic - not syncing: Out of memory and no killable processes... Expected results:dump is saved in /var/crash Additional info: BUG: unable to handle kernel NULL pointer dereference at (null) IP: [<ffffffff81325476>] sysrq_handle_crash+0x16/0x20 PGD 22b003067 PUD 22bb71067 PMD 0 Oops: 0002 [#1] SMP last sysfs file: /sys/devices/system/cpu/cpu7/cache/index2/shared_cpu_map CPU 1 Modules linked in: ebtable_nat ebtables ipt_MASQUERADE iptable_nat nf_nat xt_CHECKSUM iptable_mangle bridge stp llc autofs4 sunrpc cpufreq_ondemand powernow_k8 freq_table mperf ipt_REJECT nf_conntrack_ipv4 nf_defrag_ipv4 iptable_filter ip_tables ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 xt_state nf_conntrack ip6table_filter ip6_tables ipv6 vhost_net macvtap macvlan tun kvm_amd kvm uinput bnx2 sg ses enclosure microcode dcdbas serio_raw e1000e k10temp amd64_edac_mod edac_core edac_mce_amd shpchp i2c_nforce2 ext4 mbcache jbd2 sr_mod cdrom usb_storage sd_mod crc_t10dif qla2xxx scsi_transport_fc scsi_tgt pata_acpi ata_generic sata_nv megaraid_sas radeon ttm drm_kms_helper drm i2c_algo_bit i2c_core dm_mirror dm_region_hash dm_log dm_mod [last unloaded: scsi_wait_scan] Pid: 2621, comm: bash Not tainted 2.6.32-220.el6.x86_64 #1 Dell Inc. PowerEdge R805/0F705T RIP: 0010:[<ffffffff81325476>] [<ffffffff81325476>] sysrq_handle_crash+0x16/0x20 RSP: 0018:ffff88012c593e18 EFLAGS: 00010096 RAX: 0000000000000010 RBX: 0000000000000063 RCX: 000000000000120d RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000063 RBP: ffff88012c593e18 R08: ffffffff81c00680 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000000 R12: 0000000000000000 R13: ffffffff81afad40 R14: 0000000000000286 R15: 0000000000000004 FS: 00007f043d9e4700(0000) GS:ffff880133c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000022c3a9000 CR4: 00000000000006e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process bash (pid: 2621, threadinfo ffff88012c592000, task ffff880129664100) Stack: ffff88012c593e68 ffffffff81325732 ffff880129664100 ffff880200000000 <0> 0000000d80df4018 0000000000000002 ffff88022c366800 00007f043d9f4000 <0> 0000000000000002 fffffffffffffffb ffff88012c593e98 ffffffff813257ee Call Trace: [<ffffffff81325732>] __handle_sysrq+0x132/0x1a0 [<ffffffff813257ee>] write_sysrq_trigger+0x4e/0x50 [<ffffffff811dae8e>] proc_reg_write+0x7e/0xc0 [<ffffffff811765d8>] vfs_write+0xb8/0x1a0 [<ffffffff81176fe1>] sys_write+0x51/0x90 [<ffffffff8100b0f2>] system_call_fastpath+0x16/0x1b Code: d0 88 81 63 f4 fc 81 c9 c3 66 66 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 0f 1f 44 00 00 c7 05 5d 1e 77 00 01 00 00 00 0f ae f8 <c6> 04 25 00 00 00 00 01 c9 c3 55 48 89 e5 0f 1f 44 00 00 8d 47 RIP [<ffffffff81325476>] sysrq_handle_crash+0x16/0x20 RSP <ffff88012c593e18> CR2: 0000000000000000 REWRITING MCP55 CFG REG CFG = c1 do_IRQ: 0.178 No irq handler for vector (irq -1) ..MP-BIOS bug: 8254 timer not connected to IO-APIC [Firmware Bug]: the BIOS has corrupted hw-PMU resources (MSR c0010000 is 530076) ERST: Can not request iomem region <0xffff88000a193e60-0xffff100014327cc0> for ERST. �Mounting proc filesystem Mounting sysfs filesystem Creating /dev Creating initial device nodes Free memory/Total memory (free %): 77900 / 113980 ( 68.3453 ) Loading freq_table.ko module Loading mperf.ko module Loading ipt_REJECT.ko module Loading nf_defrag_ipv4.ko module Loading ip_tables.ko module Loading nf_conntrack.ko module Loading ip6_tables.ko module Loading ipv6.ko module Loading macvlan.ko module Loading tun.ko module Loading kvm.ko module Loading uinput.ko module Loading bnx2.ko module Loading sg.ko module Loading enclosure.ko module Loading microcode.ko module microcode: failed to load file amd-ucode/microcode_amd.bin Loading dcdbas.ko module Loading serio_raw.ko module Loading e1000e.ko module Loading k10temp.k10temp 0000:00:18.3: unreliable CPU thermal sensor; monitoring disabled ko module k10temp 0000:00:19.3: unreliable CPU thermal sensor; monitoring disabled Loading edac_core.ko module Loading edac_mce_amd.ko module Loading shpchp.ko module Loading mbcache.ko module Loading jbd2.ko module Loading cdrom.ko module Loading usb-storage.ko module Waiting 8 seconds for driver initialization. Loading crc-t10dif.ko module Loading scsi_tgt.ko module Loading pata_acpi.ko module Loading ata_generic.ko module Loading sata_nv.ko module Loading megaraid_sas.ko module megasas: INIT adapter done Loading i2c-core.ko module Loading dm-mod.ko module Loading cpufreq_ondemand.ko module Loading powernow-k8.ko module Loading nf_conntrack_ipv4.ko module Loading iptable_filter.ko module Loading ip6t_REJECT.ko module Loading nf_defrag_ipv6.ko module Loading xt_state.ko module Loading ip6table_filter.ko module Loading macvtap.ko module Loading kvm-amd.ko module Loading ses.ko module Loading amd64_edac_mod.ko module Loading i2c-nforce2.ko module Loading ext4.ko module Loading sr_mod.ko module Loading sd_mod.ko module Loading scsi_transport_fc.ko module Loading drm.ko module Loading i2c-algo-bit.ko module Loading dm-log.ko module Loading nf_conntrack_ipv6.ko module Loading vhost_net.ko module Loading qla2xxx.ko module Loading ttm.ko module Loading drm_kms_helper.ko module Loading dm-region-hash.ko module Loading radeon.ko module Loading dm-mirror.ko module Waiting for required block device discovery Waiting for 4 sda-like device(s)...Found Creating Block Devices Creating block device loop0 Creating block device loop1 Creating block device loop2 Creating block device loop3 Creating block device loop4 Creating block device loop5 Creating block device loop6 Creating block device loop7 Creating block device ram0 Creating block device ram1 Creating block device ram10 Creating block device ram11 Creating block device ram12 Creating block device ram13 Creating block device ram14 Creating block device ram15 Creating block device ram2 Creating block device ram3 Creating block device ram4 Creating block device ram5 Creating block device ram6 Creating block device ram7 Creating block device ram8 Creating block device ram9 Creating block device sda Creating block device sdb Creating block device sdc Creating block device sr0 Creating block device sr1 Saving to the local filesystem /dev/sda2 e2fsck 1.41.12 (17-May-2010) fsck.ext4: No medium found while trying to open /dev/sda2 The superblock could not be read or does not describe a correct ext2 filesystem. If the device is valid and it really contains an ext2 filesystem (and not swap or ufs or something else), then the superblock is corrupt, and you might try running e2fsck with an alternate superblock: e2fsck -b 8193 <device> mount: mounting /dev/sda2 on /mnt failed: No medium found Attempting to enter user-space to capture vmcore Resetting kernel time value to BIOS time and timezone value to UTC. Free memory/Total memory (free %): 63584 / 113980 ( 55.7852 ) Creating root device. Free memory/Total memory (free %): 63476 / 113980 ( 55.6905 ) Checking root filesystem. fsck (busybox 1.15.1, 2010-11-30 08:10:31 EST) fsck: fsck.auto: No such file or directory Mounting root filesystem: mount -t ext4 /dev/sdb2 /sysroot grep: /proc/cmdline: No such file or directory Loading SELINUX policy Free memory/Total memory (free %): 20412 / 113980 ( 17.9084 ) Switching to new root and running init. Welcome to Red Hat Enterprise Linux Server Starting udev: Out of memory: Kill process 1397 (rc.sysinit) score 1 or sacrifice child Killed process 1420, UID 0, (start_udev) total-vm:108524kB, anon-rss:516kB, file-rss:364kB Out of memory: Kill process 1397 (rc.sysinit) score 1 or sacrifice child Killed process 1397, UID 0, (rc.sysinit) total-vm:108524kB, anon-rss:472kB, file-rss:192kB Out of memory: Kill process 1536 (udevadm) score 1 or sacrifice child Killed process 1536, UID 0, (udevadm) total-vm:8448kB, anon-rss:92kB, file-rss:60kB Kernel panic - not syncing: Out of memory and no killable processes...