Description of problem: Kernel panic with three of our servers. The systems had to be rebooted each time. We didn't find the conditions to reproduce the BUG. It seems to occur randomly. Version-Release number of selected component (if applicable): 2.6.9-78.ELhugemem How reproducible: We don't know how to reproduce the bug. Steps to Reproduce: 1. 2. 3. Actual results: Expected results: Additional info: Mar 22 17:06:13 sedefx05 kernel: ------------[ cut here ]------------ Mar 22 17:06:13 sedefx05 kernel: kernel BUG at kernel/exit.c:904! Mar 22 17:06:13 sedefx05 kernel: invalid operand: 0000 [#1] Mar 22 17:06:13 sedefx05 kernel: SMP Mar 22 17:06:13 sedefx05 kernel: Modules linked in: nfs lockd nfs_acl sg mptctl mptbase dell_rbu parport_pc lp parport autofs4 i2c_dev i2c_core ipmi_devintf ipmi_si ipmi_msghandler sunrpc cpufreq_powersave dm_mirror dm_multipath button battery ac hw_random e1000 bnx2 bonding(U) sr_mod ext3 jbd dm_mod usb_storage uhci_hcd ohci_hcd ehci_hcd ata_piix libata megaraid_sas(U) sd_mod qla2xxx(U) scsi_mod qla2xxx_conf(U) Mar 22 17:06:13 sedefx05 kernel: CPU: 13 Mar 22 17:06:13 sedefx05 kernel: EIP: 0060:[<02124c55>] Not tainted VLI Mar 22 17:06:13 sedefx05 kernel: EFLAGS: 00010046 (2.6.9-78.ELhugemem) Mar 22 17:06:13 sedefx05 kernel: EIP is at next_thread+0xc/0x3f Mar 22 17:06:13 sedefx05 kernel: eax: 00000000 ebx: 70cbb330 ecx: 004dcff4 edx: 70cba830 Mar 22 17:06:13 sedefx05 kernel: esi: 0000a5a8 edi: 0000c969 ebp: 4230a000 esp: 4230af8c Mar 22 17:06:13 sedefx05 kernel: ds: 007b es: 007b ss: 0068 Mar 22 17:06:13 sedefx05 kernel: Process emagent (pid: 22450, threadinfo=4230a000 task=70cbb330) Mar 22 17:06:13 sedefx05 kernel: Stack: 0212e92d f4d94130 f4d941bc 4230a000 02156fc7 00000001 f4d94130 00000000 Mar 22 17:06:13 sedefx05 kernel: 0212615f 4230afc4 f61f3fcc f4d941e8 4230a000 fffec220 f4d94138 004dcff4 Mar 22 17:06:13 sedefx05 kernel: f61f3fcc f61f3fcc f4d941e8 f4d94170 0000002b fffe007b 0000007b 0000002b Mar 22 17:06:13 sedefx05 kernel: Call Trace: Mar 22 17:06:13 sedefx05 kernel: [<0212e92d>] sys_times+0x55/0x192 Mar 22 17:06:13 sedefx05 kernel: [<02156fc7>] put_user_size+0x29/0x2d Mar 22 17:06:13 sedefx05 kernel: [<0212615f>] sys_gettimeofday+0x25/0x55 Mar 22 17:06:13 sedefx05 kernel: Code: 85 c0 89 d3 74 05 e8 ba 9d ff ff 53 e8 b9 fb ff ff 0f b6 44 24 04 c1 e0 08 50 e8 ab fb ff ff 89 c2 8b 80 f0 04 00 00 8 5 c0 75 08 <0f> 0b 88 03 cf a1 2e 02 0f b6 80 04 05 00 00 84 c0 7e 14 a1 80 Mar 22 17:06:13 sedefx05 kernel: <0>Fatal exception: panic in 5 seconds
Have got same happening on kernel version 2.6.9-78.ELsmp #1 SMP Kernel has panicked and shutdown twice in less than 12 hours. Mar 31 05:53:19 venturacn12 kernel: ------------[ cut here ]------------ Mar 31 05:53:19 venturacn12 kernel: kernel BUG at kernel/exit.c:904! Mar 31 05:53:19 venturacn12 kernel: invalid operand: 0000 [#1] Mar 31 05:53:19 venturacn12 kernel: SMP Mar 31 05:53:19 venturacn12 kernel: Modules linked in: parport_pc lp parport autofs4 i2c_dev i2c_core sunrpc cpufreq_powersave dm_mirror dm_mod button battery ac md5 ipv6 joydev uhci_hcd ehci_hcd i5000_edac edac_mc hw_random bnx2 ext3 jbd ata_piix libata aacraid sd_mod scsi_mod Mar 31 05:53:19 venturacn12 kernel: CPU: 5 Mar 31 14:26:43 venturacn12 kernel: kernel BUG at kernel/exit.c:904! Mar 31 14:26:43 venturacn12 kernel: invalid operand: 0000 [#1] Mar 31 14:26:43 venturacn12 kernel: SMP Mar 31 14:26:43 venturacn12 kernel: Modules linked in: parport_pc lp parport autofs4 i2c_dev i2c_core sunrpc cpufreq_powersave dm_mirror dm_mod button battery ac md5 ipv6 joydev uhci_hcd ehci_hcd i5000_edac edac_mc hw_random bnx2 ext3 jbd ata_piix libata aacraid sd_mod scsi_mod Mar 31 14:26:43 venturacn12 kernel: CPU: 5 Mar 31 14:26:43 venturacn12 kernel: EIP: 0060:[<c0124cc5>] Not tainted VLI Mar 31 14:26:43 venturacn12 kernel: EFLAGS: 00010046 (2.6.9-78.ELsmp) Mar 31 14:26:43 venturacn12 kernel: EIP is at next_thread+0xc/0x3f Mar 31 14:26:43 venturacn12 kernel: eax: 00000000 ebx: f477cdb0 ecx: 002faff4 edx: f2faf8b0 Mar 31 14:26:43 venturacn12 kernel: esi: 00000367 edi: 00000140 ebp: 07e64a20 esp: e1addf8c Mar 31 14:26:43 venturacn12 kernel: ds: 007b es: 007b ss: 0068 Mar 31 14:26:43 venturacn12 kernel: Process httpd (pid: 18007, threadinfo=e1add000 task=f477cdb0) Mar 31 14:26:43 venturacn12 kernel: Stack: c012f536 00000026 088cc6d8 00000005 00000000 00000050 0000001e 00000000 Mar 31 14:26:43 venturacn12 kernel: 00000000 07e64a20 00000064 086d0b58 e1add000 c02e09db 07e64a20 002faff4 Mar 31 14:26:43 venturacn12 kernel: 002faff4 00000064 086d0b58 07e64a38 0000002b c02e007b 0000007b 0000002b Mar 31 14:26:43 venturacn12 kernel: Call Trace: Mar 31 14:26:43 venturacn12 kernel: [<c012f536>] sys_times+0x56/0x1c5 Mar 31 14:26:43 venturacn12 kernel: [<c02e09db>] syscall_call+0x7/0xb Mar 31 14:26:43 venturacn12 kernel: [<c02e007b>] __lock_text_end+0x880/0x107d Mar 31 14:26:43 venturacn12 kernel: Code: 85 c0 89 d3 74 05 e8 53 9c ff ff 53 e8 b9 fb ff ff 0f b6 44 24 04 c1 e0 08 50 e8 ab fb ff ff 89 c2 8b 80 f0 04 00 00 85 c0 75 08 <0f> 0b 88 03 ae 25 2f c0 0f b6 80 04 05 00 00 84 c0 7e 14 a1 80 Mar 31 14:26:43 venturacn12 kernel: <0>Fatal exception: panic in 5 seconds
We reverted a patch that caused this issue a while ago http://people.redhat.com/~vgoyal/rhel4/RPMS.kernel/ should have kernels that do not have this problem. P. *** This bug has been marked as a duplicate of bug 455074 ***