I am getting kernel oops messages when my RAID 0 filesystem is under
heavy load.
here are a couple of extracts from syslog.
Jun 12 17:18:46 master kernel: Unable to handle kernel paging request at
virtual address 3e322029
Jun 12 17:18:46 master kernel: current->tss.cr3 = 0740a000, %cr3 =
0740a000
Jun 12 17:18:46 master kernel: *pde = 00000000
Jun 12 17:18:46 master kernel: Oops: 0000
Jun 12 17:18:46 master kernel: CPU: 1
Jun 12 17:18:46 master kernel: EIP: 0010:[find_buffer+104/144]
Jun 12 17:18:46 master kernel: EFLAGS: 00010202
Jun 12 17:18:46 master kernel: eax: 3e322029 ebx: 00000006 ecx:
00037ab5 edx: 3e322029
Jun 12 17:18:46 master kernel: esi: 0000000c edi: 00000900 ebp:
018ea31b esp: c7fefe3c
Jun 12 17:18:46 master kernel: ds: 0018 es: 0018 ss: 0018
Jun 12 17:18:46 master kernel: Process unifreader (pid: 4121, process
nr: 126, stackpage=c7fef000)
Jun 12 17:18:46 master kernel: Stack: 00000020 c88008a0 00037ab5
c01299a7 00000900 018ea31b 00000400 c012a728
Jun 12 17:18:46 master kernel: 00000900 018ea31b 00000400
00000000 c7fefef4 00000020 cc7d6bb0 00000100
Jun 12 17:18:46 master kernel: 00000400 cd5a1000 00000900
00000003 c2edc900 00000000 c2edc900 c8800120
Jun 12 17:18:46 master kernel: Call Trace: [get_hash_table+23/36]
[brw_page+336/912] [ext2_bmap+360/584] [generic_readpage+129/144]
[try_to_read_ahead+257/280] [do_generic_file_read+754/1536]
[generic_file_read+99/124]
Jun 12 17:18:47 master kernel: [file_read_actor+0/80]
[sys_read+194/232] [system_call+52/56] [startup_32+43/164]
Jun 12 17:18:47 master kernel: Code: 8b 00 39 6a 04 75 15 8b 4c 24 20 39
4a 08 75 0c 66 39 7a 0c
This was generated by our backup software. and also
Jun 13 04:04:16 master kernel: Unable to handle kernel paging request at
virtual address 5f6e696d
Jun 13 04:04:16 master kernel: current->tss.cr3 = 0f651000, %cr3 =
0f651000
Jun 13 04:04:16 master kernel: *pde = 00000000
Jun 13 04:04:16 master kernel: Oops: 0000
Jun 13 04:04:16 master kernel: CPU: 1
Jun 13 04:04:16 master kernel: EIP: 0010:[find_buffer+104/144]
Jun 13 04:04:16 master kernel: EFLAGS: 00010202
Jun 13 04:04:16 master kernel: eax: 5f6e696d ebx: 00000006 ecx:
00037ab5 edx: 5f6e696d
Jun 13 04:04:16 master kernel: esi: 0000000c edi: 00000900 ebp:
01d6a1d0 esp: c3d73e34
Jun 13 04:04:16 master kernel: ds: 0018 es: 0018 ss: 0018
Jun 13 04:04:16 master kernel: Process slocate (pid: 6125, process nr:
130, stackpage=c3d73000)
Jun 13 04:04:16 master kernel: Stack: 01d6a1d0 00000900 00037ab5
c01299a7 00000900 01d6a1d0 00000400 c0129d1a
Jun 13 04:04:16 master kernel: 00000900 01d6a1d0 00000400
01d6a1d0 cd5ffa90 00000000 cd5ffa90 c01a492c
Jun 13 04:04:16 master kernel: c0140783 00000900 01d6a1d0
00000400 c3d73f4c 00000000 00000000 cd5ffa90
Jun 13 04:04:16 master kernel: Call Trace: [get_hash_table+23/36]
[getblk+30/324] [do_sd_request+460/472] [inode_getblk+71/392]
[ext2_getblk+194/524] [ext2_bread+35/276] [ext2_readdir+144/876]
Jun 13 04:04:16 master kernel: [ext2_permission+128/212]
[permission+36/248] [sys_getdents+182/268] [filldir+0/132]
[system_call+52/56] [startup_32+43/164]
Jun 13 04:04:16 master kernel: Code: 8b 00 39 6a 04 75 15 8b 4c 24 20 39
4a 08 75 0c 66 39 7a 0c
This is a Redhat -6.1 system with a 2.2.16 kernel including the
raid-2.2.16-A0 patch from //people.redhat.com/mingo/raid-patches.
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This archive was generated by hypermail 2b29 : Thu Jun 15 2000 - 21:00:29 EST