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Red Hat Bugzilla – Attachment 605353 Details for
Bug 846023
BUG: unable to handle kernel NULL pointer dereference at 0000000000000048 cifs_show_options
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Serial console log
SerialOut (text/plain), 8.38 KB, created by
Vladimir Simonov
on 2012-08-18 16:46:24 UTC
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Description:
Serial console log
Filename:
MIME Type:
Creator:
Vladimir Simonov
Created:
2012-08-18 16:46:24 UTC
Size:
8.38 KB
patch
obsolete
> Welcome to Red Hat Enterprise Linux Server >Starting udev: piix4_smbus 0000:00:07.3: Host SMBus controller not enabled! >[ OK ] >Setting hostname localhost.localdomain: [ OK ] >Setting up Logical Volume Management: No volume groups found >[ OK ] >Checking filesystems >Checking all file systems. >[/sbin/fsck.ext4 (1) -- /] fsck.ext4 -a /dev/sda2 >/dev/sda2: clean, 257414/1152816 files, 2196443/4608000 blocks >[/sbin/fsck.ext4 (1) -- /boot] fsck.ext4 -a /dev/sda1 >/dev/sda1: clean, 39/51200 files, 45959/204800 blocks >[ OK ] >Remounting root filesystem in read-write mode: [ OK ] >Mounting local filesystems: [ OK ] >Enabling local filesystem quotas: [ OK ] >Enabling /etc/fstab swaps: [ OK ] >Entering non-interactive startup >Applying Intel CPU microcode update: Calling the system activity data collector (sadc): > Checking acpi hot plug[ OK ] >Starting VMware Tools services in the virtual machine: > Switching to guest configuration:[ OK ] > Paravirtual SCSI module:[ OK ] > Guest filesystem driver:[ OK ] > Mounting HGFS shares:[FAILED] > Guest memory manager:[ OK ] > Guest vmxnet fast network device:[ OK ] > Blocking file system:[ OK ] > File system sync driver:[ OK ] > Guest operating system daemon:[ OK ] > Virtual Printing daemon:[ OK ] >dkms: running auto installation service for kernel 2.6.32-71.el6.x86_64 > Done. >ip6tables: Applying firewall rules: [ OK ] >iptables: Applying firewall rules: [ OK ] >Bringing up loopback interface: [ OK ] >Starting auditd: [ OK ] >Starting portreserve: [ OK ] >Starting system logger: [ OK ] >Starting irqbalance: [ OK ] >Starting rpcbind: [ OK ] >Starting mdmonitor: [ OK ] >Starting system message bus: [ OK ] >Setting network parameters... [ OK ] >Starting NetworkManager daemon: [ OK ] >Starting Avahi daemon... [ OK ] >Starting NFS statd: [ OK ] >Initializing OpenCT smart card terminals: [ OK ] > >Starting RPC idmapd: [ OK ] >Starting cups: [ OK ] >Mounting other filesystems: [ OK ] >Starting acpi daemon: [ OK ] >Starting HAL daemon: [ OK ] >Starting PC/SC smart card daemon (pcscd): [ OK ] >Retrigger failed udev events[ OK ] >Loading autofs4: [ OK ] >Starting automount: [ OK ] >Enabling Bluetooth devices: >Starting sshd: [ OK ] >Starting Acronis Agent: [ OK ] >Starting Acronis MMS: [ OK ] >Starting ARSM: [ OK ] >Starting postfix: [ OK ] >Starting abrt daemon: [ OK ] >Running Acronis True Image startup tasks...Starting crond: [ OK ] [ OK ] >Starting atd: [ OK ] [ OK ] > >Red Hat Enterprise Linux Server release 6.0 (Santiago) >Kernel 2.6.32-71.el6.x86_64 on an x86_64 > >localhost.localdomain login: CIFS VFS: cifs_mount failed w/return code = -6 >CIFS VFS: cifs_mount failed w/return code = -6 >CIFS VFS: No response for cmd 47 mid 6186 >CIFS VFS: Unexpected lookup error -112 >CIFS VFS: Error connecting to socket. Aborting operation >CIFS VFS: cifs_mount failed w/return code = -101 >CIFS VFS: Error connecting to socket. Aborting operation >CIFS VFS: cifs_mount failed w/return code = -101 >CIFS VFS: Error connecting to socket. Aborting operation >CIFS VFS: cifs_mount failed w/return code = -101 >CIFS VFS: No response for cmd 47 mid 9260 >CIFS VFS: No response for cmd 47 mid 22065 >CIFS VFS: No response for cmd 47 mid 4663 >CIFS VFS: Send error in SessSetup = -13 >CIFS VFS: cifs_mount failed w/return code = -13 >CIFS VFS: Error connecting to socket. Aborting operation >CIFS VFS: cifs_mount failed w/return code = -101 >CIFS VFS: Error connecting to socket. Aborting operation >CIFS VFS: cifs_mount failed w/return code = -101 >CIFS VFS: No response for cmd 50 mid 130 >CIFS VFS: No response for cmd 50 mid 206 >CIFS VFS: No response for cmd 50 mid 213 >CIFS VFS: No response to cmd 115 mid 215 >CIFS VFS: Send error in SessSetup = -11 >CIFS VFS: Autodisabling the use of server inode numbers on \\192.168.137.1\income. This server doesn't seem to support them properly. Hardlinks will not be recognized on this mount. Consider mounting with the "noserverino" option to silence this message. >CIFS VFS: No response for cmd 50 mid 299 >CIFS VFS: cifs_read_super: get root inode failed >CIFS VFS: Error connecting to socket. Aborting operation >CIFS VFS: cifs_mount failed w/return code = -101 >CIFS VFS: Error connecting to socket. Aborting operation >CIFS VFS: cifs_mount failed w/return code = -101 >CIFS VFS: cifs_mount failed w/return code = -112 >BUG: unable to handle kernel NULL pointer dereference at 0000000000000048 >IP: [<ffffffffa03ae2c9>] cifs_show_options+0xf9/0x480 [cifs] >PGD cc88067 PUD 10a4d067 PMD 0 >Oops: 0000 [#1] SMP >last sysfs file: /sys/devices/virtual/block/ram9/uevent >CPU 0 >Modules linked in: snumbd26(P)(U) nls_utf8 cifs fuse snapapi26(P)(U) autofs4 sunrpc ipt_REJECT ip6t_REJECT nf_conntrack_ipv6 xt_state nf_conntrack ip6table_filter ip6_tables ipv6 vmblock(U) vmmemctl(U) vmhgfs(U) pvscsi(U) dm_mirror dm_region_hash dm_log uinput ppdev parport_pc parport pcnet32 vmxnet(U) mii vmware_balloon sg i2c_piix4 i2c_core shpchp ext4 mbcache jbd2 sd_mod crc_t10dif sr_mod cdrom mptspi mptscsih mptbase scsi_transport_spi ata_generic pata_acpi ata_piix dm_mod [last unloaded: edd] > >Modules linked in: snumbd26(P)(U) nls_utf8 cifs fuse snapapi26(P)(U) autofs4 sunrpc ipt_REJECT ip6t_REJECT nf_conntrack_ipv6 xt_state nf_conntrack ip6table_filter ip6_tables ipv6 vmblock(U) vmmemctl(U) vmhgfs(U) pvscsi(U) dm_mirror dm_region_hash dm_log uinput ppdev parport_pc parport pcnet32 vmxnet(U) mii vmware_balloon sg i2c_piix4 i2c_core shpchp ext4 mbcache jbd2 sd_mod crc_t10dif sr_mod cdrom mptspi mptscsih mptbase scsi_transport_spi ata_generic pata_acpi ata_piix dm_mod [last unloaded: edd] >Pid: 3234, comm: cat Tainted: P ---------------- 2.6.32-71.el6.x86_64 #1 VMware Virtual Platform >RIP: 0010:[<ffffffffa03ae2c9>] [<ffffffffa03ae2c9>] cifs_show_options+0xf9/0x480 [cifs] >RSP: 0018:ffff88000cedfdc8 EFLAGS: 00010246 >RAX: 0000000000000000 RBX: ffff880037166800 RCX: 0000000000000006 >RDX: 0000000000000006 RSI: 0000000000001000 RDI: ffff88000cd3859b >RBP: ffff88000cedfdf8 R08: 00000000fffffffb R09: 00000000fffffffe >R10: 0000000000000000 R11: 0000000000000007 R12: ffff88000832c640 >R13: ffff88003d15ec00 R14: ffff88003d376280 R15: 0000000000000000 >FS: 00007fe70e490700(0000) GS:ffff880001e00000(0000) knlGS:0000000000000000 >CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 >CR2: 0000000000000048 CR3: 000000003721e000 CR4: 00000000000006f0 >DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 >DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 >Process cat (pid: 3234, threadinfo ffff88000cede000, task ffff88000cdc5560) >Stack: > ffff88000cedfdf8 0000000000000000 ffff880037166800 ffff880037166800 ><0> ffff88003d376280 ffff880003936800 ffff88000cedfe68 ffffffff8118a8b7 ><0> ffffffff814f36b0 0000000000000000 ffff88003abc77c0 ffff880037b265c0 >Call Trace: > [<ffffffff8118a8b7>] show_mountinfo+0x237/0x2b0 > [<ffffffff8118ea17>] seq_read+0x267/0x3f0 > [<ffffffff8116d085>] vfs_read+0xb5/0x1a0 > [<ffffffff810d40a2>] ? audit_syscall_entry+0x272/0x2a0 > [<ffffffff8116d1c1>] sys_read+0x51/0x90 > [<ffffffff81013172>] system_call_fastpath+0x16/0x1b >Code: 00 48 c7 c6 3a e5 3d a0 48 89 df 31 c0 e8 90 02 de e0 49 8b 45 28 48 c7 c6 50 e5 3d a0 48 89 df 4c 8b 78 40 31 c0 e8 77 02 de e0 <41> 0f b7 47 48 66 83 f8 02 0f 84 98 01 00 00 66 83 f8 0a 0f 84 >RIP [<ffffffffa03ae2c9>] cifs_show_options+0xf9/0x480 [cifs] > RSP <ffff88000cedfdc8> >CR2: 0000000000000048 >---[ end trace 1e47afc750feaf79 ]--- >Kernel panic - not syncing: Fatal exception >Pid: 3234, comm: cat Tainted: P D ---------------- 2.6.32-71.el6.x86_64 #1 >Call Trace: > [<ffffffff814c7b23>] panic+0x78/0x137 > [<ffffffff814cbbf4>] oops_end+0xe4/0x100 > [<ffffffff8104651b>] no_context+0xfb/0x260 > [<ffffffff812605be>] ? number+0x2ee/0x320 > [<ffffffff810467a5>] __bad_area_nosemaphore+0x125/0x1e0 > [<ffffffff810468ce>] bad_area+0x4e/0x60 > [<ffffffff814cd740>] do_page_fault+0x390/0x3a0 > [<ffffffff814caf45>] page_fault+0x25/0x30 > [<ffffffffa03ae2c9>] ? cifs_show_options+0xf9/0x480 [cifs] > [<ffffffffa03ae2c9>] ? cifs_show_options+0xf9/0x480 [cifs] > [<ffffffff8118a8b7>] show_mountinfo+0x237/0x2b0 > [<ffffffff8118ea17>] seq_read+0x267/0x3f0 > [<ffffffff8116d085>] vfs_read+0xb5/0x1a0 > [<ffffffff810d40a2>] ? audit_syscall_entry+0x272/0x2a0 > [<ffffffff8116d1c1>] sys_read+0x51/0x90 > [<ffffffff81013172>] system_call_fastpath+0x16/0x1b
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bug 846023
: 605353