Hello,
Always don't know exactly how to reproduce this oops,
it occurs randomsly...
I don't know if it is hardware related,
or if I am doing something nasty ... :(,
however never hanged on XP.
Regards
Nicolas.
Jul 14 18:35:05 hal9003 kernel: ------------[ cut here ]------------
Jul 14 18:35:05 hal9003 kernel: kernel BUG at mm/slab.c:1631!
Jul 14 18:35:05 hal9003 kernel: invalid operand: 0000 [#1]
Jul 14 18:35:05 hal9003 kernel: CPU: 0
Jul 14 18:35:05 hal9003 kernel: EIP: 0060:[kmem_cache_free+662/752] Not
tainted
Jul 14 18:35:05 hal9003 kernel: EIP: 0060:[<c01361a5>] Not tainted
Jul 14 18:35:05 hal9003 kernel: EFLAGS: 00010087
Jul 14 18:35:05 hal9003 kernel: EIP is at kmem_cache_free+0x296/0x2f0
Jul 14 18:35:05 hal9003 kernel: eax: c17668a8 ebx: 007668a8 ecx: f7ffd580
edx: f7ffd580
Jul 14 18:35:05 hal9003 kernel: esi: 00001000 edi: ef5d1000 ebp: cc719f9c
esp: cc719f74
Jul 14 18:35:05 hal9003 kernel: ds: 007b es: 007b ss: 0068
Jul 14 18:35:05 hal9003 kernel: Process sh (pid: 21061, threadinfo=cc718000
task=d3df5000)
Jul 14 18:35:05 hal9003 kernel: Stack: fffffff4 00000003 00000101 00000001
c01477ca f7ffb794 00000296 00000003
Jul 14 18:35:05 hal9003 kernel: e0295708 ef5d1000 cc719fbc c01477ca
f7ffd580 ef5d1000 00000000 0810d848
Jul 14 18:35:05 hal9003 kernel: 0810d7a0 4003de9f cc718000 c0108fe3
0810d848 00000000 00000000 0810d7a0
Jul 14 18:35:05 hal9003 kernel: Call Trace:
Jul 14 18:35:05 hal9003 kernel: [sys_open+120/133] sys_open+0x78/0x85
Jul 14 18:35:05 hal9003 kernel: [<c01477ca>] sys_open+0x78/0x85
Jul 14 18:35:05 hal9003 kernel: [sys_open+120/133] sys_open+0x78/0x85
Jul 14 18:35:05 hal9003 kernel: [<c01477ca>] sys_open+0x78/0x85
Jul 14 18:35:05 hal9003 kernel: [syscall_call+7/11] syscall_call+0x7/0xb
Jul 14 18:35:05 hal9003 kernel: [<c0108fe3>] syscall_call+0x7/0xb
Jul 14 18:35:05 hal9003 kernel:
Jul 14 18:35:05 hal9003 kernel: Code: 0f 0b 5f 06 d3 fa 2a c0 e9 cc fd ff ff
89 7c 24 04 c7 04 24
--- 2.5/mm/slab.c 2003-07-10 23:27:00.000000000 +0200
+++ build-2.5/mm/slab.c 2003-07-14 19:36:26.000000000 +0200
@@ -1628,7 +1628,13 @@
kfree_debugcheck(objp);
page = virt_to_page(objp);
- BUG_ON(GET_PAGE_CACHE(page) != cachep);
+ if (GET_PAGE_CACHE(page) != cachep) {
+ printk(KERN_ERR "mismatch in kmem_cache_free: expected cache %p, got %p\n",
+ GET_PAGE_CACHE(page),cachep);
+ printk(KERN_ERR "%p is %s.\n", cachep, cachep->name);
+ printk(KERN_ERR "%p is %s.\n", GET_PAGE_CACHE(page), GET_PAGE_CACHE(page)->name);
+ WARN_ON(1);
+ }
slabp = GET_PAGE_SLAB(page);
if (cachep->flags & SLAB_STORE_USER) {