Hija,
I just experienced the following crash while compiling a new
CVS version of gdb on some Athlon XP-2500 machine. The device
is on NFS root and doesn't have a harddrive and thus no swap.
Decoded OOPS is attached further below....
processor : 0
vendor_id : AuthenticAMD
cpu family : 6
model : 10
model name : AMD Athlon(TM) XP 2500+
stepping : 0
cpu MHz : 1822.568
cache size : 512 KB
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 1
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge
mca cmov pat pse36 mmx fxsr sse syscall mmxext 3dnowext 3dnow
bogomips : 3630.69
total: used: free: shared: buffers: cached:
Mem: 528371712 334487552 193884160 0 0 181035008
Swap: 0 0 0
MemTotal: 515988 kB
MemFree: 189340 kB
MemShared: 0 kB
Buffers: 0 kB
Cached: 176792 kB
SwapCached: 0 kB
Active: 151276 kB
Inactive: 59332 kB
HighTotal: 0 kB
HighFree: 0 kB
LowTotal: 515988 kB
LowFree: 189340 kB
SwapTotal: 0 kB
SwapFree: 0 kB
ksymoops 2.4.9 on i686 2.4.26mine. Options used
-V (default)
-k /proc/ksyms (default)
-l /proc/modules (default)
-o /lib/modules/2.4.26mine/ (default)
-m /usr/src/linux-2.4.26mine/System.map (specified)
kernel BUG at slab.c:1605!
invalid operand: 0000
CPU: 0
EIP: 0010:[<c0131ce5>] Not tainted
Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00010086
eax: 0000001d ebx: 00414a80 ecx: c15ae000 edx: df187f7c
esi: d7be05d4 edi: 00000286 ebp: c15afef4 esp: c15afee0
ds: 0018 es: 0018 ss: 0018
Process kswapd (pid: 4, stackpage=c15af000)
Stack: c0287072 d7be05d4 c68ce138 d782f308 d9ad4044 c15aff10 c014cf94
d7be05d4
d9ad4044 0000000a c14d6214 c02ba778 c15aff1c c014d275 00003f80
c15aff4c
c0132d21 00000006 000001d0 c15ae000 ffffffff 0000332e 000001d0
0000000a
Call Trace: [<c014cf94>] [<c014d275>] [<c0132d21>] [<c01330ac>]
[<c0133113>]
[<c01332a9>] [<c013330c>] [<c013343d>] [<c01333b0>] [<c0105000>]
[<c010574b>]
[<c01333b0>]
Code: 0f 0b 45 06 43 70 28 c0 8b 15 f0 08 32 c0 eb c4 89 74 24 04
>>EIP; c0131ce5 <kfree+75/a0> <=====
>>ecx; c15ae000 <_end+126c874/204ce8f4>
>>edx; df187f7c <_end+1ee467f0/204ce8f4>
>>esi; d7be05d4 <_end+1789ee48/204ce8f4>
>>ebp; c15afef4 <_end+126e768/204ce8f4>
>>esp; c15afee0 <_end+126e754/204ce8f4>
Trace; c014cf94 <prune_dcache+134/150>
Trace; c014d275 <shrink_dcache_memory+25/40>
Trace; c0132d21 <shrink_cache+151/350>
Trace; c01330ac <shrink_caches+3c/50>
Trace; c0133113 <try_to_free_pages_zone+53/b0>
Trace; c01332a9 <kswapd_balance_pgdat+69/b0>
Trace; c013330c <kswapd_balance+1c/40>
Trace; c013343d <kswapd+8d/b0>
Trace; c01333b0 <kswapd+0/b0>
Trace; c0105000 <_stext+0/0>
Trace; c010574b <arch_kernel_thread+2b/40>
Trace; c01333b0 <kswapd+0/b0>
Code; c0131ce5 <kfree+75/a0>
00000000 <_EIP>:
Code; c0131ce5 <kfree+75/a0> <=====
0: 0f 0b ud2a <=====
Code; c0131ce7 <kfree+77/a0>
2: 45 inc %ebp
Code; c0131ce8 <kfree+78/a0>
3: 06 push %es
Code; c0131ce9 <kfree+79/a0>
4: 43 inc %ebx
Code; c0131cea <kfree+7a/a0>
5: 70 28 jo 2f <_EIP+0x2f>
Code; c0131cec <kfree+7c/a0>
7: c0 8b 15 f0 08 32 c0 rorb $0xc0,0x3208f015(%ebx)
Code; c0131cf3 <kfree+83/a0>
e: eb c4 jmp ffffffd4 <_EIP+0xffffffd4>
Code; c0131cf5 <kfree+85/a0>
10: 89 74 24 04 mov %esi,0x4(%esp,1)
Servus,
Daniel