I got 3 kernel BUG messages in my log a few hours ago running the
pre-2.3.52-3 kernel.
Mar 14 05:23:19 x kernel: kernel BUG at page_alloc.c:90!
Mar 14 05:23:20 x kernel: invalid operand: 0000
Mar 14 05:23:20 x kernel: CPU: 1
Mar 14 05:23:20 x kernel: EIP: 0010:[__free_pages_ok+122/708]
Mar 14 05:23:20 x kernel: EFLAGS: 00010296
Mar 14 05:23:20 x kernel: eax: 0000001f ebx: c10001d4 ecx: 00000000 edx: 0000004a
Mar 14 05:23:20 x kernel: esi: 00000000 edi: 00000000 ebp: c1153fa4 esp: c1153f34
Mar 14 05:23:20 x kernel: ds: 0018 es: 0018 ss: 0018
Mar 14 05:23:20 x kernel: Process kswapd (pid: 2, stackpage=c1153000)
Mar 14 05:23:20 x kernel: Stack: c020c3c6 c020c653 0000005a c10001d4 00000000 c10001f0 c1153fa4 c1000200
Mar 14 05:23:20 x kernel: 00000282 00000023 c10001f8 c1153fa4 c012f154 00000006 00000006 00000004
Mar 14 05:23:20 x kernel: c024cdf0 c024cd40 00000007 c1153f94 c1153fa4 c1153f9c 000002ce 00000000
Mar 14 05:23:21 x kernel: Call Trace: [tvecs+12030/84184] [tvecs+12683/84184] [shrink_mmap+1152/1588] [do_try_to_free_pages+51/152] [kswapd+136/428] [kernel_thread+35/48]
Mar 14 05:23:21 x kernel: Code: 0f 0b 83 c4 0c 90 8b 43 18 a8 01 74 19 6a 5c 68 53 c6 20 c0
Mar 14 05:23:25 x kernel: kernel BUG at page_alloc.c:90!
Mar 14 05:23:25 x kernel: invalid operand: 0000
Mar 14 05:23:25 x kernel: CPU: 0
Mar 14 05:23:25 x kernel: EIP: 0010:[__free_pages_ok+122/708]
Mar 14 05:23:25 x kernel: EFLAGS: 00010282
Mar 14 05:23:25 x kernel: eax: 0000001f ebx: c10001d4 ecx: 00000001 edx: 00000000
Mar 14 05:23:25 x kernel: esi: 0000000a edi: 00000000 ebp: 00000001 esp: c28a1e6c
Mar 14 05:23:25 x kernel: ds: 0018 es: 0018 ss: 0018
Mar 14 05:23:25 x kernel: Process httpd (pid: 541, stackpage=c28a1000)
Mar 14 05:23:25 x kernel: Stack: c020c3c6 c020c653 0000005a 00118f81 0000000a 00231f02 00000001 00118f81
Mar 14 05:23:25 x kernel: 0000000a 00231f02 c012c4c2 00231a02 c012c4df c28a0000 00000000 c28a0000
Mar 14 05:23:25 x kernel: 00231f02 00000010 0000231a c012c58b 00231f02 00231f02 c289d9b8 c289e080
Mar 14 05:23:25 x kernel: Call Trace: [tvecs+12030/84184] [tvecs+12683/84184] [swapin_readahead+150/228] [swapin_readahead+179/228] [do_swap_page+123/504] [handle_mm_fault+307/544] [do_page_fault+382/1224]
Mar 14 05:23:25 x kernel: [merge_segments+653/684] [do_brk+360/488] [sys_brk+254/348] [error_code+45/56]
Mar 14 05:23:25 x kernel: Code: 0f 0b 83 c4 0c 90 8b 43 18 a8 01 74 19 6a 5c 68 53 c6 20 c0
Mar 14 05:24:50 x kernel: kernel BUG at page_alloc.c:90!
Mar 14 05:24:50 x kernel: invalid operand: 0000
Mar 14 05:24:50 x kernel: CPU: 1
Mar 14 05:24:50 x kernel: EIP: 0010:[__free_pages_ok+122/708]
Mar 14 05:24:50 x kernel: EFLAGS: 00010282
Mar 14 05:24:50 x kernel: eax: 0000001f ebx: c10001d4 ecx: 00000000 edx: 00000012
Mar 14 05:24:50 x kernel: esi: 0000000a edi: 00000000 ebp: 00000001 esp: c05dfe6c
Mar 14 05:24:50 x kernel: ds: 0018 es: 0018 ss: 0018
Mar 14 05:24:50 x kernel: Process emacs (pid: 722, stackpage=c05df000)
Mar 14 05:24:50 x kernel: Stack: c020c3c6 c020c653 0000005a 00118f01 0000000a 00231e02 00000001 00118f01
Mar 14 05:24:50 x kernel: 0000000a 00231e02 c012c4c2 00231a02 c012c4df c05de000 00000000 c05de000
Mar 14 05:24:50 x kernel: 00231e02 00000010 0000231a c012c58b 00231e02 00231e02 c3c5b8b0 c060b080
Mar 14 05:24:50 x kernel: Call Trace: [tvecs+12030/84184] [tvecs+12683/84184] [swapin_readahead+150/228] [swapin_readahead+179/228] [do_swap_page+123/504] [handle_mm_fault+307/544] [8390:ei_open+-294968/236]
Mar 14 05:24:50 x kernel: [do_page_fault+382/1224] [8390:ei_open+-171622/236] [8390:ei_open+-171482/236] [handle_IRQ_event+78/120] [do_IRQ+271/472] [do_IRQ+362/472] [error_code+45/56]
Mar 14 05:24:50 x kernel: Code: 0f 0b 83 c4 0c 90 8b 43 18 a8 01 74 19 6a 5c 68 53 c6 20 c0
[xi@x ~]$ cat /proc/version
Linux version 2.3.52pre3 (xi@x) (gcc version egcs-2.91.66 19990314/Linux (egcs-1.1.2 release)) #4 SMP Tue Mar 14 01:14:07 MET 2000
[xi@x ~]$ cat /proc/cpuinfo
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 6
model name : Celeron (Mendocino)
stepping : 5
cpu MHz : 501.146554
cache size : 128 KB
fdiv_bug : no
hlt_bug : no
sep_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 2
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 mmx fxsr
bogomips : 999.42
processor : 1
vendor_id : GenuineIntel
cpu family : 6
model : 6
model name : Celeron (Mendocino)
stepping : 5
cpu MHz : 501.146554
cache size : 128 KB
fdiv_bug : no
hlt_bug : no
sep_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 2
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 mmx fxsr
bogomips : 999.42
--
Best regards
Christian Laursen
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