From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S268597AbTGIWDD (ORCPT ); Wed, 9 Jul 2003 18:03:03 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S268602AbTGIWDD (ORCPT ); Wed, 9 Jul 2003 18:03:03 -0400 Received: from www5.mail.lycos.com ([209.202.220.85]:60053 "HELO lycos.com") by vger.kernel.org with SMTP id S268597AbTGIWCj (ORCPT ); Wed, 9 Jul 2003 18:02:39 -0400 To: sitsofe@lycos.com, "Randy.Dunlap" Date: Wed, 09 Jul 2003 22:17:09 0000 From: "Sitsofe Wheeler" Message-ID: Mime-Version: 1.0 Cc: linux-kernel@vger.kernel.org X-Sent-Mail: on Reply-To: sitsofe@lycos.com X-Mailer: MailCity Service X-Priority: 3 Subject: Re: 2.4.21 oops running video capture software X-Sender-Ip: 80.5.120.62 Organization: Lycos Mail (http://www.mail.lycos.com:80) Content-Type: multipart/mixed; boundary="=_-=_-KAPKNAMHDMPELBAA" Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org This is a multi-part message in MIME format. You need a MIME compliant mail reader to completely decode it. --=_-=_-KAPKNAMHDMPELBAA Content-Type: text/plain; charset=us-ascii Content-Language: en Content-Length: 898 Content-Transfer-Encoding: 7bit >On Wed, 09 Jul 2003 10:21:42 0000 "Sitsofe Wheeler" wrote: > >| While running video capture software, the kernel will eventually oops in kswapd. There do seem to be some different kernels where it will take longer for this to happen (possibly those with apic support) but so far I haven't been able to isolate them. The oops will only happen while video capture is happening otherwise the system is extremely solid. >| >| The kernel being used is 2.4.21 patched with preempt, low-latency, bootsplash and variable hz (the hz was set to 200). > >You'll need to run that oops message thru ksymoops for it to be >useful. Ok I've reproduced the crash and attached the output of ksymoops. ____________________________________________________________ Get advanced SPAM filtering on Webmail or POP Mail ... Get Lycos Mail! http://login.mail.lycos.com/r/referral?aid=27005 --=_-=_-KAPKNAMHDMPELBAA Content-Type: text/plain; charset=us-ascii; name="ksymoops" Content-Language: en Content-Length: 4203 Content-Transfer-Encoding: 7bit ksymoops 2.4.4 on i686 2.4.21. Options used -v /boot/vmlinux-2.4.21 (specified) -k /proc/ksyms (default) -l /proc/modules (default) -o /lib/modules/2.4.21/ (default) -m /boot/System.map-2.4.21 (default) cpu: 0, clocks: 1338969, slice: 669484 8139too Fast Ethernet driver 0.9.26 bttv2: aiee: error loops bttv1: aiee: error loops bttv3: aiee: error loops bttv3: aiee: error loops bttv3: aiee: error loops bttv3: aiee: error loops bttv2: aiee: error loops bttv2: aiee: error loops bttv3: aiee: error loops bttv3: aiee: error loops bttv3: aiee: error loops bttv3: aiee: error loops bttv3: aiee: error loops bttv3: aiee: error loops bttv3: aiee: error loops bttv3: aiee: error loops bttv2: aiee: error loops bttv3: aiee: error loops bttv3: aiee: error loops bttv3: aiee: error loops bttv1: aiee: error loops bttv3: aiee: error loops bttv3: aiee: error loops bttv3: aiee: error loops bttv3: aiee: error loops bttv3: aiee: error loops bttv3: aiee: error loops bttv3: aiee: error loops bttv3: aiee: error loops Unable to handle kernel NULL pointer dereference at virtual address 0000001b ce95cef7 *pde = 00000000 Oops: 0000 CPU: 0 EIP: 0010:[] Not tainted Using defaults from ksymoops -t elf32-i386 -a i386 EFLAGS: 00010246 eax: 00000000 ebx: 00000000 ecx: 00000000 edx: 00000000 esi: 00000100 edi: 00000200 ebp: cb18fbf8 esp: cb18fbb0 ds: 0018 es: 0018 ss: 0018 Process motion (pid: 1203, stackpage=cb18f000) Stack: cafd63d8 00000480 00000480 00000000 0001b000 00000001 cf400000 cf474480 cf459480 00000001 cb18fc08 00000000 b4000000 00850001 03000240 0000000f 00000300 cf3e7000 cb18fc44 ce95d79c ce96efa4 cafd4634 cafd63e0 cf3e7000 Call Trace: [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] Code: 8a 40 1b 25 ff 00 00 00 8b 04 85 7c ad 2a c0 8b 88 9c 00 00 >>EIP; ce95cef7 <[bttv]make_prisctab+237/5d0> <===== Trace; ce95d79c <[bttv]make_vrisctab+50c/530> Trace; ce96efa4 <[bttv]bttvs+524/1490> Trace; ce96efa4 <[bttv]bttvs+524/1490> Trace; ce95e390 <[bttv]vgrab+100/2e0> Trace; ce96efa4 <[bttv]bttvs+524/1490> Trace; ce96f138 <[bttv]bttvs+6b8/1490> Trace; ce96efa4 <[bttv]bttvs+524/1490> Trace; ce95eeb9 <[bttv]bttv_ioctl+4e9/1530> Trace; ce96efa4 <[bttv]bttvs+524/1490> Trace; c01647e5 Trace; c0170059 Trace; c016972f Trace; c016f9c1 Trace; c0169c01 Trace; c0169c12 Trace; c016f6de Trace; c011a200 <__wake_up+20/50> Trace; c0125a6d Trace; c0126441 Trace; c0122897 Trace; c0122774 Trace; c01225a3 Trace; c010a776 Trace; c010ceb3 Trace; c013669f Trace; c0137487 Trace; c012dfcc <__vma_link+4c/c0> Trace; c012f210 <__insert_vm_struct+50/70> Trace; c0136fee Trace; c01365e4 Trace; c012edd3 Trace; ce9433a8 <[videodev]video_ioctl+18/30> Trace; ce96efa4 <[bttv]bttvs+524/1490> Trace; c014e9c2 Trace; c0109233 Code; ce95cef7 <[bttv]make_prisctab+237/5d0> 00000000 <_EIP>: Code; ce95cef7 <[bttv]make_prisctab+237/5d0> <===== 0: 8a 40 1b mov 0x1b(%eax),%al <===== Code; ce95cefa <[bttv]make_prisctab+23a/5d0> 3: 25 ff 00 00 00 and $0xff,%eax Code; ce95ceff <[bttv]make_prisctab+23f/5d0> 8: 8b 04 85 7c ad 2a c0 mov 0xc02aad7c(,%eax,4),%eax Code; ce95cf06 <[bttv]make_prisctab+246/5d0> f: 8b 88 9c 00 00 00 mov 0x9c(%eax),%ecx --=_-=_-KAPKNAMHDMPELBAA--