Oops (Bad slab magic) on 2.2.11pre2 (proposed)

Jakob Sandgren (jakob@southpole.se)
Wed, 21 Jul 1999 13:38:18 +0200


Since I installed 2.2.11 (proposed #2?) have I had two crashes. Below are the output before the computer died.

CPU-info:
Jul 21 12:50:45 echo kernel: CPU: AMD AMD-K6(tm) 3D+ Processor stepping 01
Kernel/compiler -info:
Jul 21 12:50:45 echo kernel: Linux version 2.2.11 (root@echo.southpole.se) (gcc version egcs-2.91.66 19990314/Linux (egcs-1.1.2 release)) #3 Tue Jul 20 11:44:15 CEST 1999

Anyone who has any idea?

/Jakob

*********
Oops #1 *
*********

Jul 21 11:42:39 echo kernel: Unable to handle kernel NULL pointer dereference at virtual address 00000004
Jul 21 11:42:39 echo kernel: current->tss.cr3 = 0adee000, %cr3 = 0adee000
Jul 21 11:42:39 echo kernel: *pde = 00000000
Jul 21 11:42:39 echo kernel: Oops: 0002
Jul 21 11:42:39 echo kernel: CPU: 0
Jul 21 11:42:39 echo kernel: EIP: 0010:[select_parent+51/120]
Jul 21 11:42:39 echo kernel: EFLAGS: 00010246
Jul 21 11:42:39 echo kernel: eax: 00000000 ebx: cbaf2b48 ecx: cbaf2b68 edx: 00000000
Jul 21 11:42:39 echo kernel: esi: 00000000 edi: caaf2b40 ebp: 00000000 esp: cadf5f20
Jul 21 11:42:39 echo kernel: ds: 0018 es: 0018 ss: 0018
Jul 21 11:42:39 echo kernel: Process xbuffy (pid: 746, process nr: 50, stackpage=cadf5000)
Jul 21 11:42:39 echo kernel: Stack: c2c34022 00000001 caaf2b70 caaf2b40 c012f68f caaf2b40 caaf2b40 c012f22f
Jul 21 11:42:39 echo kernel: caaf2b40 caaf2b40 c012ad17 caaf2b40 cadf5f74 c012af4b ca5a01a0 cadf5f74
Jul 21 11:42:39 echo kernel: 00000001 c2c34000 c2c34000 00000000 bffff660 c2c34011 00000011 7ac21415
Jul 21 11:42:39 echo kernel: Call Trace: [shrink_dcache_parent+23/32] [d_invalidate+19/84] [cached_lookup+59/84] [lookup_dentry+275/
488] [__namei+40/88] [sys_access+144/260] [system_call+52/56]
Jul 21 11:42:39 echo kernel: Code: 89 50 04 89 02 8b 15 5c 7b 1d c0 8b 02 45 89 48 04 89 43 20
Jul 21 11:42:55 echo kernel: Unable to handle kernel NULL pointer dereference at virtual address 00000004
Jul 21 11:42:55 echo kernel: current->tss.cr3 = 0ab05000, %cr3 = 0ab05000
Jul 21 11:42:55 echo kernel: *pde = 00000000
Jul 21 11:42:55 echo kernel: Oops: 0002
Jul 21 11:42:55 echo kernel: CPU: 0
Jul 21 11:42:55 echo kernel: EIP: 0010:[select_parent+51/120]
Jul 21 11:42:55 echo kernel: EFLAGS: 00010246
Jul 21 11:42:55 echo kernel: eax: 00000000 ebx: cbaf2b48 ecx: cbaf2b68 edx: 00000000
Jul 21 11:42:55 echo kernel: esi: 00000000 edi: caaf2b40 ebp: 00000000 esp: c316ff20
Jul 21 11:42:55 echo kernel: ds: 0018 es: 0018 ss: 0018
Jul 21 11:42:55 echo kernel: Process xbuffy (pid: 935, process nr: 45, stackpage=c316f000)
Jul 21 11:42:55 echo kernel: Stack: c3664022 00000001 caaf2b70 caaf2b40 c012f68f caaf2b40 caaf2b40 c012f22f
Jul 21 11:42:55 echo kernel: caaf2b40 caaf2b40 c012ad17 caaf2b40 c316ff74 c012af4b ca5a01a0 c316ff74
Jul 21 11:42:55 echo kernel: 00000001 c3664000 c3664000 00000000 bffff814 c3664011 00000011 7ac21415
Jul 21 11:42:55 echo kernel: Call Trace: [shrink_dcache_parent+23/32] [d_invalidate+19/84] [cached_lookup+59/84] [lookup_dentry+275/
488] [__namei+40/88] [sys_access+144/260] [system_call+52/56]
Jul 21 11:42:55 echo kernel: Code: 89 50 04 89 02 8b 15 5c 7b 1d c0 8b 02 45 89 48 04 89 43 20
Jul 21 11:49:55 echo syslogd 1.3-3: restart.

*********
Oops #2 *
*********
Jul 21 12:15:21 echo kernel: kmem_alloc: Bad slab magic (corrupt) (name=size-32)
Jul 21 12:15:26 echo last message repeated 233 times
Jul 21 12:15:26 echo kernel: kmem_free: Bad obj addr (objp=ca51dda0, name=size-32)
Jul 21 12:15:26 echo kernel: Unable to handle kernel NULL pointer dereference at virtual address 00000000
Jul 21 12:15:26 echo kernel: current->tss.cr3 = 0a39e000, %cr3 = 0a39e000
Jul 21 12:15:26 echo kernel: *pde = 00000000
Jul 21 12:15:26 echo kernel: Oops: 0002
Jul 21 12:15:26 echo kernel: CPU: 0
Jul 21 12:15:26 echo kernel: EIP: 0010:[kfree+377/424]
Jul 21 12:15:26 echo kernel: EFLAGS: 00010202
Jul 21 12:15:26 echo kernel: eax: 00000039 ebx: cffff080 ecx: fffffffe edx: 0000003c
Jul 21 12:15:26 echo kernel: esi: ca51dda0 edi: 00000202 ebp: a7c32f2b esp: ca511f60
Jul 21 12:15:26 echo kernel: ds: 0018 es: 0018 ss: 0018
Jul 21 12:15:26 echo kernel: Process ssh-agent (pid: 664, process nr: 34, stackpage=ca511000)
Jul 21 12:15:26 echo kernel: Stack: ca51ddb8 00000023 ca51dddc 00000004 c012d7f6 ca51dda0 ca510000 00000000
Jul 21 12:15:26 echo kernel: 00000000 bffffb98 ca51ddac 00000004 00000001 00000001 ca511fa8 00000001
Jul 21 12:15:26 echo kernel: ca51dda0 7fffffff ca51dda0 ca51dda4 ca51dda8 ca51ddac ca51ddb0 ca51ddb4
Jul 21 12:15:26 echo kernel: Call Trace: [sys_select+1358/1372] [system_call+52/56]
Jul 21 12:15:26 echo kernel: Code: c7 05 00 00 00 00 00 00 00 00 eb 1b 8d 76 00 56 68 e2 0f 1b
Jul 21 12:15:26 echo kernel: kmem_free: Bad obj addr (objp=ca51d8e0, name=size-32)
Jul 21 12:15:26 echo kernel: Unable to handle kernel NULL pointer dereference at virtual address 00000000
Jul 21 12:15:26 echo kernel: current->tss.cr3 = 00101000, %cr3 = 00101000
Jul 21 12:15:26 echo kernel: *pde = 00000000
Jul 21 12:15:26 echo kernel: Oops: 0002
Jul 21 12:15:26 echo kernel: CPU: 0
Jul 21 12:15:26 echo kernel: EIP: 0010:[kfree+377/424]
Jul 21 12:15:26 echo kernel: EFLAGS: 00010202
Jul 21 12:15:26 echo kernel: eax: 00000039 ebx: cffff080 ecx: 00000004 edx: ca0a6000
Jul 21 12:15:26 echo kernel: esi: ca51d8e0 edi: 00000202 ebp: a7c32f2b esp: ca511e98
Jul 21 12:15:26 echo kernel: ds: 0018 es: 0018 ss: 0018
Jul 21 12:15:26 echo kernel: Process ssh-agent (pid: 664, process nr: 34, stackpage=ca511000)
Jul 21 12:15:26 echo kernel: Stack: caad5120 00000021 ca51d91c ca51d8e0 c0117225 ca51d8e0 cffd9060 cffd9060
Jul 21 12:15:26 echo kernel: ca511f24 00000000 00000202 ca510000 00000000 caad51ac ca510000 c010a160
Jul 21 12:15:26 echo kernel: 0000000b ca511f24 c01ae1b8 c01af6ae 00000002 00000000 c010f134 c01af6ae
Jul 21 12:15:26 echo kernel: Call Trace: [do_exit+417/572] [die_if_no_fixup+0/64] [error_table+2356/7964] [error_table+7722/7964] [d
o_page_fault+700/780] [error_table+7722/7964] [error_code+45/52]
Jul 21 12:15:26 echo kernel: [kfree+377/424] [sys_select+1358/1372] [system_call+52/56]
Jul 21 12:15:26 echo kernel: Code: c7 05 00 00 00 00 00 00 00 00 eb 1b 8d 76 00 56 68 e2 0f 1b
Jul 21 12:15:28 echo kernel: kmem_free: Bad obj addr (objp=ca51dc60, name=size-32)
Jul 21 12:15:28 echo kernel: Unable to handle kernel NULL pointer dereference at virtual address 00000000
Jul 21 12:15:28 echo kernel: current->tss.cr3 = 0b27c000, %cr3 = 0b27c000
Jul 21 12:15:28 echo kernel: *pde = 00000000
Jul 21 12:15:28 echo kernel: Oops: 0002
Jul 21 12:15:28 echo kernel: CPU: 0
Jul 21 12:15:28 echo kernel: EIP: 0010:[kfree+377/424]
Jul 21 12:15:28 echo kernel: EFLAGS: 00010202
Jul 21 12:15:28 echo kernel: eax: 00000039 ebx: cffff080 ecx: fffffffe edx: 0000003c
Jul 21 12:15:28 echo kernel: esi: ca51dc60 edi: 00000202 ebp: a7c32f2b esp: cb27ff60
Jul 21 12:15:28 echo kernel: ds: 0018 es: 0018 ss: 0018
Jul 21 12:15:28 echo kernel: Process xload (pid: 675, process nr: 45, stackpage=cb27f000)
Jul 21 12:15:28 echo kernel: Stack: bffff41c 00000001 ca51dc9c 00000004 c012d7f6 ca51dc60 cb27e000 bffff418
Jul 21 12:15:28 echo kernel: bffff4ac bffff2c8 ca51dc74 ca51dc70 00000000 cb27e000 cb27ffa8 0

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