found another BUG in page_alloc.
Two times oopsed, one from kswapd, one from X.
I would not know how to reproduce this.
#1
Warning (compare_maps): ksyms_base symbol
vmalloc_to_page_R__ver_vmalloc_to_page not found in System.map. Ignoring
ksyms_base entry
kernel BUG at page_alloc.c:108!
invalid operand: 0000
CPU: 0
EIP: 0010:[__free_pages_ok+45/688] Tainted: P
EFLAGS: 00013282
eax: c127a544 ebx: c13c86fc ecx: c13c86fc edx: c02c74e0
esi: 00000000 edi: 00000000 ebp: c02c7610 esp: c15bdf0c
ds: 0018 es: 0018 ss: 0018
Process kswapd (pid: 4, stackpage=c15bd000)
Stack: 00003282 00000003 dd037704 dd037704 dd037704 c13c86fc c013d56b
dd037704
c02c74e0 c13c86fc 00003128 c02c7610 c01327e9 c13c86fc 000001d0
c15bc000
000001f8 000001d0 00000007 00000020 000001d0 00000020 00000006
c01329a3
Call Trace: [try_to_free_buffers+139/240] [shrink_cache+649/784]
[shrink_caches+99/160] [try_to_free_pages+54/80]
[kswapd_balance_pgdat+94/176]
Code: 0f 0b 6c 00 33 c1 27 c0 8b 0d b0 23 32 c0 89 d8 29 c8 c1 f8
Using defaults from ksymoops -t elf32-i386 -a i386
Code; 00000000 Before first symbol
00000000 <_EIP>:
Code; 00000000 Before first symbol
0: 0f 0b ud2a
Code; 00000002 Before first symbol
2: 6c insb (%dx),%es:(%edi)
Code; 00000002 Before first symbol
3: 00 33 add %dh,(%ebx)
Code; 00000004 Before first symbol
5: c1 27 c0 shll $0xc0,(%edi)
Code; 00000008 Before first symbol
8: 8b 0d b0 23 32 c0 mov 0xc03223b0,%ecx
Code; 0000000e Before first symbol
e: 89 d8 mov %ebx,%eax
Code; 00000010 Before first symbol
10: 29 c8 sub %ecx,%eax
Code; 00000012 Before first symbol
12: c1 f8 00 sar $0x0,%eax
#2
kernel BUG at page_alloc.c:108!
invalid operand: 0000
CPU: 0
EIP: 0010:[__free_pages_ok+45/688] Tainted: P
EFLAGS: 00013286
eax: c11eb074 ebx: c13c9330 ecx: c13c9330 edx: dc60dd60
esi: 00000000 edi: 00000000 ebp: c02c7610 esp: dc45dde8
ds: 0018 es: 0018 ss: 0018
Process X (pid: 11699, stackpage=dc45d000)
Stack: 00003282 00000003 dd5f9c7c dd5f9c7c dd5f9c7c c13c9330 c013d56b
dd5f9c7c
dc60dd60 c13c9330 0000315f c02c7610 c01327e9 c13c9330 000001d2
dc45c000
00000200 000001d2 00000020 00000020 000001d2 00000020 00000006
c01329a3
Call Trace: [try_to_free_buffers+139/240] [shrink_cache+649/784]
[shrink_caches+99/160] [try_to_free_pages+54/80] [balance_classzone+89/496]
Code: 0f 0b 6c 00 33 c1 27 c0 8b 0d b0 23 32 c0 89 d8 29 c8 c1 f8
Code; 00000000 Before first symbol
00000000 <_EIP>:
Code; 00000000 Before first symbol
0: 0f 0b ud2a
Code; 00000002 Before first symbol
2: 6c insb (%dx),%es:(%edi)
Code; 00000002 Before first symbol
3: 00 33 add %dh,(%ebx)
Code; 00000004 Before first symbol
5: c1 27 c0 shll $0xc0,(%edi)
Code; 00000008 Before first symbol
8: 8b 0d b0 23 32 c0 mov 0xc03223b0,%ecx
Code; 0000000e Before first symbol
e: 89 d8 mov %ebx,%eax
Code; 00000010 Before first symbol
10: 29 c8 sub %ecx,%eax
Code; 00000012 Before first symbol
12: c1 f8 00 sar $0x0,%eax
Axel S.
On Tue, 02 Apr 2002, Michal Jaegermann wrote:
> This is from Alpha UP1500 (Nautilus) with a kernel based on 2.4.19-pre5
> and somewhat modified in Nautilus specific parts to be bootable on that
> machine at all. I have seen similar incidents before and they seem to
> be too repeateable just to chalk them to "not really stable yet" status
> of the machine in question although what is in a register a4, i.e. a
> string "ghijklmn", surely looks unusual.
>
> Anyway, the box went catatonic but before doing that left in log
> files a series of oopses which decoded look like that:
>
> ksymoops 2.4.1 on alpha 2.4.19-pre5.ink.agp. Options used
> -V (default)
> -k /proc/ksyms (default)
> -l /proc/modules (default)
> -o /lib/modules/2.4.19-pre5.ink.agp/ (default)
> -m /boot/System.map-2.4.19-pre5.ink.agp (specified)
>
> Warning (compare_maps): ksyms_base symbol GPLONLY_vmalloc_to_page not found in System.map. Ignoring ksyms_base entry
> kernel BUG at page_alloc.c:241!
> run-parts(3421): Kernel Bug 1
> pc = [rmqueue+888/1024] ra = [rmqueue+876/1024] ps = 0000 Not tainted
> pc = [<fffffc0000845448>] ra = [<fffffc000084543c>] ps = 0000 Not tainted
> Using defaults from ksymoops -t elf64-alpha -a alpha
> v0 = 0000000000000020 t0 = 0000000000000001 t1 = fffffc00de0a3ec8
> t2 = 000000000000002a t3 = 0000000000000001 t4 = fffffc0000af40c8
> t5 = fffffc00d9184bc0 t6 = 0000000000000065 t7 = fffffc00bf4f8000
> a0 = 0000000000000000 a1 = 0000000000000001 a2 = 0000000000000001
> a3 = 0000000000000000 a4 = 6e6d6c6b6a696867 a5 = 0000000000000002
> t8 = fffffc0000af4d20 t9 = 0000000000004000 t10= fffffc0000af4d28
> t11= fffffc0000af4d38 pv = fffffc0000820d30 at = 0000000000003fff
> gp = fffffc0000ae8ce8 sp = fffffc00bf4fbd60
> Trace:fffffc000084590c fffffc00008454fc fffffc0000836538 fffffc0000836604 fffffc0000837238 fffffc000081fec8 fffffc0000812e3c
> Code: 225f00f1 a77da708 6b5b7d5d 27ba002a 23bd38ac 00000081 <a04a0000> 44501001
>
> >>PC; fffffc0000845448 <rmqueue+378/400> <=====
> Trace; fffffc000084590c <__alloc_pages+7c/260>
> Trace; fffffc00008454fc <_alloc_pages+2c/40>
> Trace; fffffc0000836538 <do_wp_page+a8/3e0>
> Trace; fffffc0000836604 <do_wp_page+174/3e0>
> Trace; fffffc0000837238 <handle_mm_fault+118/1c0>
> Trace; fffffc000081fec8 <do_page_fault+208/4c0>
> Trace; fffffc0000812e3c <entMM+9c/c0>
> Code; fffffc0000845430 <rmqueue+360/400>
> 0000000000000000 <_PC>:
> Code; fffffc0000845430 <rmqueue+360/400>
> 0: f1 00 5f 22 lda a2,241(zero)
> Code; fffffc0000845434 <rmqueue+364/400>
> 4: 08 a7 7d a7 ldq t12,-22776(gp)
> Code; fffffc0000845438 <rmqueue+368/400>
> 8: 5d 7d 5b 6b jsr ra,(t12),fffffffffffff580 <_PC+0xfffffffffffff580> fffffc00008449b0 <rw_swap_page_base+1b0/1e0>
> Code; fffffc000084543c <rmqueue+36c/400>
> c: 2a 00 ba 27 ldah gp,42(ra)
> Code; fffffc0000845440 <rmqueue+370/400>
> 10: ac 38 bd 23 lda gp,14508(gp)
> Code; fffffc0000845444 <rmqueue+374/400>
> 14: 81 00 00 00 call_pal 0x81
> Code; fffffc0000845448 <rmqueue+378/400> <=====
> 18: 00 00 4a a0 ldl t1,0(s1) <=====
> Code; fffffc000084544c <rmqueue+37c/400>
> 1c: 01 10 50 44 and t1,0x80,t0
>
> kernel BUG at page_alloc.c:241!
> diskcheck(3422): Kernel Bug 1
> pc = [rmqueue+888/1024] ra = [rmqueue+876/1024] ps = 0000 Not tainted
> pc = [<fffffc0000845448>] ra = [<fffffc000084543c>] ps = 0000 Not tainted
> v0 = 0000000000000020 t0 = 0000000000000001 t1 = fffffc00de0a3ec8
> t2 = 0000000000000028 t3 = 0000000000000001 t4 = fffffc0000af40c8
> t5 = fffffc00d91843c0 t6 = 0000000000000065 t7 = fffffc00bf938000
> a0 = 0000000000000000 a1 = 0000000000000001 a2 = 0000000000000001
> a3 = 0000000000000000 a4 = 6e6d6c6b6a696867 a5 = 0000000000000002
> t8 = fffffc0000af4d20 t9 = 0000000000004000 t10= fffffc0000af4d28
> t11= fffffc0000af4d38 pv = fffffc0000820d30 at = 0000000000003fff
> gp = fffffc0000ae8ce8 sp = fffffc00bf93bd60
> Trace:fffffc000084590c fffffc00008454fc fffffc0000836538 fffffc0000836604 fffffc0000837238 fffffc000081fec8 fffffc0000812e3c fffffc0000818c94
> Code: 225f00f1 a77da708 6b5b7d5d 27ba002a 23bd38ac 00000081 <a04a0000> 44501001
>
> >>PC; fffffc0000845448 <rmqueue+378/400> <=====
> Trace; fffffc000084590c <__alloc_pages+7c/260>
> Trace; fffffc00008454fc <_alloc_pages+2c/40>
> Trace; fffffc0000836538 <do_wp_page+a8/3e0>
> Trace; fffffc0000836604 <do_wp_page+174/3e0>
> Trace; fffffc0000837238 <handle_mm_fault+118/1c0>
> Trace; fffffc000081fec8 <do_page_fault+208/4c0>
> Trace; fffffc0000812e3c <entMM+9c/c0>
> Trace; fffffc0000818c94 <do_entInt+84/170>
> Code; fffffc0000845430 <rmqueue+360/400>
> 0000000000000000 <_PC>:
> Code; fffffc0000845430 <rmqueue+360/400>
> 0: f1 00 5f 22 lda a2,241(zero)
> Code; fffffc0000845434 <rmqueue+364/400>
> 4: 08 a7 7d a7 ldq t12,-22776(gp)
> Code; fffffc0000845438 <rmqueue+368/400>
> 8: 5d 7d 5b 6b jsr ra,(t12),fffffffffffff580 <_PC+0xfffffffffffff580> fffffc00008449b0 <rw_swap_page_base+1b0/1e0>
> Code; fffffc000084543c <rmqueue+36c/400>
> c: 2a 00 ba 27 ldah gp,42(ra)
> Code; fffffc0000845440 <rmqueue+370/400>
> 10: ac 38 bd 23 lda gp,14508(gp)
> Code; fffffc0000845444 <rmqueue+374/400>
> 14: 81 00 00 00 call_pal 0x81
> Code; fffffc0000845448 <rmqueue+378/400> <=====
> 18: 00 00 4a a0 ldl t1,0(s1) <=====
> Code; fffffc000084544c <rmqueue+37c/400>
> 1c: 01 10 50 44 and t1,0x80,t0
>
> kernel BUG at page_alloc.c:241!
> X(1207): Kernel Bug 1
> pc = [rmqueue+888/1024] ra = [rmqueue+876/1024] ps = 0000 Not tainted
> pc = [<fffffc0000845448>] ra = [<fffffc000084543c>] ps = 0000 Not tainted
> v0 = 0000000000000020 t0 = 0000000000000001 t1 = fffffc00de0a3ec8
> t2 = 0000000000000058 t3 = 0000000000000001 t4 = fffffc0000af40c8
> t5 = fffffc0003d456c0 t6 = 0000000000000065 t7 = fffffc00dc12c000
> a0 = 0000000000000000 a1 = 0000000000000001 a2 = 0000000000000001
> a3 = 0000000000000000 a4 = 6e6d6c6b6a696867 a5 = 0000000000000002
> t8 = fffffc0000af4d20 t9 = 0000000000004000 t10= fffffc0000af4d28
> t11= fffffc0000af4d38 pv = fffffc0000820d30 at = 0000000000003fff
> gp = fffffc0000ae8ce8 sp = fffffc00dc12fd40
> Trace:fffffc000084590c fffffc000099ef0c fffffc00008454fc fffffc0000836e68 fffffc0000836d98 fffffc0000836f0c fffffc00008371e8 fffffc000081fec8 fffffc0000812e3c
> Code: 225f00f1 a77da708 6b5b7d5d 27ba002a 23bd38ac 00000081 <a04a0000> 44501001
>
> >>PC; fffffc0000845448 <rmqueue+378/400> <=====
> Trace; fffffc000084590c <__alloc_pages+7c/260>
> Trace; fffffc000099ef0c <kfree_skbmem+1c/a0>
> Trace; fffffc00008454fc <_alloc_pages+2c/40>
> Trace; fffffc0000836e68 <do_anonymous_page+128/170>
> Trace; fffffc0000836d98 <do_anonymous_page+58/170>
> Trace; fffffc0000836f0c <do_no_page+5c/270>
> Trace; fffffc00008371e8 <handle_mm_fault+c8/1c0>
> Trace; fffffc000081fec8 <do_page_fault+208/4c0>
> Trace; fffffc0000812e3c <entMM+9c/c0>
> Code; fffffc0000845430 <rmqueue+360/400>
> 0000000000000000 <_PC>:
> Code; fffffc0000845430 <rmqueue+360/400>
> 0: f1 00 5f 22 lda a2,241(zero)
> Code; fffffc0000845434 <rmqueue+364/400>
> 4: 08 a7 7d a7 ldq t12,-22776(gp)
> Code; fffffc0000845438 <rmqueue+368/400>
> 8: 5d 7d 5b 6b jsr ra,(t12),fffffffffffff580 <_PC+0xfffffffffffff580> fffffc00008449b0 <rw_swap_page_base+1b0/1e0>
> Code; fffffc000084543c <rmqueue+36c/400>
> c: 2a 00 ba 27 ldah gp,42(ra)
> Code; fffffc0000845440 <rmqueue+370/400>
> 10: ac 38 bd 23 lda gp,14508(gp)
> Code; fffffc0000845444 <rmqueue+374/400>
> 14: 81 00 00 00 call_pal 0x81
> Code; fffffc0000845448 <rmqueue+378/400> <=====
> 18: 00 00 4a a0 ldl t1,0(s1) <=====
> Code; fffffc000084544c <rmqueue+37c/400>
> 1c: 01 10 50 44 and t1,0x80,t0
>
> kernel BUG at page_alloc.c:241!
> X(3433): Kernel Bug 1
> pc = [rmqueue+888/1024] ra = [rmqueue+876/1024] ps = 0000 Not tainted
> pc = [<fffffc0000845448>] ra = [<fffffc000084543c>] ps = 0000 Not tainted
> v0 = 0000000000000020 t0 = 0000000000000001 t1 = fffffc00de0a3ec8
> t2 = 000000000000002c t3 = 0000000000000001 t4 = fffffc0000af40c8
> t5 = fffffc0003d45dc0 t6 = 0000000000000065 t7 = fffffc00d98e0000
> a0 = 0000000000000000 a1 = 0000000000000001 a2 = 0000000000000001
> a3 = 0000000000000000 a4 = 6e6d6c6b6a696867 a5 = 0000000000000002
> t8 = fffffc0000af4d20 t9 = 0000000000004000 t10= fffffc0000af4d28
> t11= fffffc0000af4d38 pv = fffffc0000820d30 at = 0000000000003fff
> gp = fffffc0000ae8ce8 sp = fffffc00d98e3d40
> Trace:fffffc000084590c fffffc0000882630 fffffc00008454fc fffffc0000836e68 fffffc0000836d98 fffffc0000836f0c fffffc00008371e8 fffffc000081fec8 fffffc0000812e3c
> Code: 225f00f1 a77da708 6b5b7d5d 27ba002a 23bd38ac 00000081 <a04a0000> 44501001
>
> >>PC; fffffc0000845448 <rmqueue+378/400> <=====
> Trace; fffffc000084590c <__alloc_pages+7c/260>
> Trace; fffffc0000882630 <ext3_commit_write+1b0/220>
> Trace; fffffc00008454fc <_alloc_pages+2c/40>
> Trace; fffffc0000836e68 <do_anonymous_page+128/170>
> Trace; fffffc0000836d98 <do_anonymous_page+58/170>
> Trace; fffffc0000836f0c <do_no_page+5c/270>
> Trace; fffffc00008371e8 <handle_mm_fault+c8/1c0>
> Trace; fffffc000081fec8 <do_page_fault+208/4c0>
> Trace; fffffc0000812e3c <entMM+9c/c0>
> Code; fffffc0000845430 <rmqueue+360/400>
> 0000000000000000 <_PC>:
> Code; fffffc0000845430 <rmqueue+360/400>
> 0: f1 00 5f 22 lda a2,241(zero)
> Code; fffffc0000845434 <rmqueue+364/400>
> 4: 08 a7 7d a7 ldq t12,-22776(gp)
> Code; fffffc0000845438 <rmqueue+368/400>
> 8: 5d 7d 5b 6b jsr ra,(t12),fffffffffffff580 <_PC+0xfffffffffffff580> fffffc00008449b0 <rw_swap_page_base+1b0/1e0>
> Code; fffffc000084543c <rmqueue+36c/400>
> c: 2a 00 ba 27 ldah gp,42(ra)
> Code; fffffc0000845440 <rmqueue+370/400>
> 10: ac 38 bd 23 lda gp,14508(gp)
> Code; fffffc0000845444 <rmqueue+374/400>
> 14: 81 00 00 00 call_pal 0x81
> Code; fffffc0000845448 <rmqueue+378/400> <=====
> 18: 00 00 4a a0 ldl t1,0(s1) <=====
> Code; fffffc000084544c <rmqueue+37c/400>
> 1c: 01 10 50 44 and t1,0x80,t0
>
>
> 1 warning issued. Results may not be reliable.
>
> Not that I can repeat that performance on demand. :-)
>
> Michal
> -
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