From: Paul P Komkoff Jr <i@stingr.net>
To: Andi Kleen <ak@muc.de>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: [OOPS] Using poll speedup
Date: Wed, 25 Sep 2002 21:01:52 +0400 [thread overview]
Message-ID: <20020925170152.GA27904@stingr.net> (raw)
You might be interested. This was got by using 1st version of patch
from -aa tree
----- Forwarded message from stingray@proxy.sgu.ru -----
ksymoops 2.4.1 on i686 2.4.19-pre5-ac3-s60. Options used
-v /lib/modules/2.4.20-pre7-ac3-s3/vmlinux (specified)
-K (specified)
-L (specified)
-o /lib/modules/2.4.20-pre7-ac3-s3 (specified)
-m /boot/System.map-2.4.20-pre7-ac3-s3 (specified)
Sep 25 19:01:50 proxy kernel: Unable to handle kernel NULL pointer dereference at virtual address 00000000
Sep 25 19:01:50 proxy kernel: c011a064
Sep 25 19:01:50 proxy kernel: *pde = 00000000
Sep 25 19:01:50 proxy kernel: Oops: 0002
Sep 25 19:01:50 proxy kernel: CPU: 0
Sep 25 19:01:50 proxy kernel: EIP: 0010:[remove_wait_queue+4/32] Not tainted
Sep 25 19:01:50 proxy kernel: EIP: 0010:[<c011a064>] Not tainted
Using defaults from ksymoops -t elf32-i386 -a i386
Sep 25 19:01:50 proxy kernel: EFLAGS: 00010092
Sep 25 19:01:50 proxy kernel: eax: 00000000 ebx: 00000292 ecx: 00000001 edx: e4a84ffc
Sep 25 19:01:50 proxy kernel: esi: e4a84000 edi: e4a84008 ebp: f706be90 esp: f706be54
Sep 25 19:01:50 proxy kernel: ds: 0018 es: 0018 ss: 0018
Sep 25 19:01:50 proxy kernel: Process squid (pid: 1322, stackpage=f706b000)
Sep 25 19:01:50 proxy kernel: Stack: e4a84ff8 c015067e e572eb80 000000ba 00000000 000000ba c01513fc f706be90
Sep 25 19:01:50 proxy kernel: f706a000 000000ba 00000000 f706be90 e572eb80 00000000 00000000 00000000
Sep 25 19:01:50 proxy kernel: e4a73000 00000000 f706bfa8 f7e0f620 00000000 f706a000 ead9bf24 ead9bf24
Sep 25 19:01:50 proxy kernel: Call Trace: [poll_freewait+46/96] [sys_poll+940/960] [system_call+51/56]
Sep 25 19:01:50 proxy kernel: Call Trace: [<c015067e>] [<c01513fc>] [<c0108bab>]
Sep 25 19:01:50 proxy kernel: Code: f0 fe 08 0f 88 e0 12 00 00 8b 4a 0c 8b 52 08 89 4a 04 89 11
>>EIP; c011a064 <remove_wait_queue+4/20> <=====
Trace; c015067e <poll_freewait+2e/60>
Trace; c01513fc <sys_poll+3ac/3c0>
Trace; c0108bab <system_call+33/38>
Code; c011a064 <remove_wait_queue+4/20>
00000000 <_EIP>:
Code; c011a064 <remove_wait_queue+4/20> <=====
0: f0 fe 08 lock decb (%eax) <=====
Code; c011a067 <remove_wait_queue+7/20>
3: 0f 88 e0 12 00 00 js 12e9 <_EIP+0x12e9> c011b34d <.text.lock.fork+18/11b>
Code; c011a06d <remove_wait_queue+d/20>
9: 8b 4a 0c mov 0xc(%edx),%ecx
Code; c011a070 <remove_wait_queue+10/20>
c: 8b 52 08 mov 0x8(%edx),%edx
Code; c011a073 <remove_wait_queue+13/20>
f: 89 4a 04 mov %ecx,0x4(%edx)
Code; c011a076 <remove_wait_queue+16/20>
12: 89 11 mov %edx,(%ecx)
----- End forwarded message -----
--
Paul P 'Stingray' Komkoff 'Greatest' Jr /// (icq)23200764 /// (http)stingr.net
When you're invisible, the only one really watching you is you (my keychain)
reply other threads:[~2002-09-25 16:56 UTC|newest]
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