Re: Another BUG in page_alloc.c:108

J Sloan (joe@tmsusa.com)
Wed, 03 Apr 2002 23:00:32 -0800


OK, I was all wet - so the nvidia driver is
implicated after all...

Joe

Zwane Mwaikambo wrote:

>On Wed, 3 Apr 2002 arjan@fenrus.demon.nl wrote:
>
>>In article <20020403035406.GA2925@neon> you wrote:
>>
>>>EIP: 0010:[__free_pages_ok+45/688] Tainted: P
>>>
>>Nvidia ?
>>I get the distinct impression that the lastest nvidia drivers
>>reintroduced a bug that fubars the page allocator ;(
>>
>
>The latest nvidia stuff definately spews major chunks on its way out...
>
>This is on 2.4.19-pre2-ac3, backing upto the previous release nvidia
>drivers i can't reproduce.
>
>invalid operand: 0000
>CPU: 0
>EIP: 0010:[<c0130c47>] Not tainted
>EFLAGS: 00013282
>eax: 00000000 ebx: c15f94b0 ecx: c100000c edx: db140eb0
>esi: 00000000 edi: 00000000 ebp: 00007000 esp: deb35edc
>ds: 0018 es: 0018 ss: 0018
>Process X (pid: 1457, stackpage=deb35000)
>Stack: c0306380 c15f94b0 00000000 00000001 c15f94b0 00008000 c15f94b0
>c15f94b0
> 00008000 debb5688 00007000 c0124782 c15f94b0 1d68d027 00000008
>00000000
> 425a3000 de793424 4259b000 00000000 425a3000 de793424 dfffcd50
>dec00420
>Call Trace: [<c0124782>] [<c01270ed>] [<c01271a2>] [<c0106f2b>]
>
>Code: 0f 0b c6 43 24 05 8b 43 18 89 f1 83 e0 eb 89 43 18 c1 e8 18
>
>>>EIP; c0130c47 <__free_pages_ok+97/250> <=====
>>>
>Trace; c0124782 <zap_page_range+192/260>
>Trace; c01270ed <do_munmap+1ed/270>
>Trace; c01271a2 <sys_munmap+32/50>
>Trace; c0106f2b <system_call+33/38>
>Code; c0130c47 <__free_pages_ok+97/250>
>00000000 <_EIP>:
>Code; c0130c47 <__free_pages_ok+97/250> <=====
> 0: 0f 0b ud2a <=====
>Code; c0130c49 <__free_pages_ok+99/250>
> 2: c6 43 24 05 movb $0x5,0x24(%ebx)
>Code; c0130c4d <__free_pages_ok+9d/250>
> 6: 8b 43 18 mov 0x18(%ebx),%eax
>Code; c0130c50 <__free_pages_ok+a0/250>
> 9: 89 f1 mov %esi,%ecx
>Code; c0130c52 <__free_pages_ok+a2/250>
> b: 83 e0 eb and $0xffffffeb,%eax
>Code; c0130c55 <__free_pages_ok+a5/250>
> e: 89 43 18 mov %eax,0x18(%ebx)
>Code; c0130c58 <__free_pages_ok+a8/250>
> 11: c1 e8 18 shr $0x18,%eax
>
>0xc0130c40 <__free_pages_ok+144>: mov 0x28(%ebx),%edx
>0xc0130c43 <__free_pages_ok+147>: test %edx,%edx
>0xc0130c45 <__free_pages_ok+149>: je 0xc0130c49
><__free_pages_ok+153>
>0xc0130c47 <__free_pages_ok+151>: ud2a
>
>if (page->pte_chain)
> BUG();
>
>

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