From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751335AbVLaPvn (ORCPT ); Sat, 31 Dec 2005 10:51:43 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751337AbVLaPvn (ORCPT ); Sat, 31 Dec 2005 10:51:43 -0500 Received: from [202.67.154.148] ([202.67.154.148]:25756 "EHLO ns666.com") by vger.kernel.org with ESMTP id S1751335AbVLaPvm (ORCPT ); Sat, 31 Dec 2005 10:51:42 -0500 Message-ID: <43B6A901.3050101@ns666.com> Date: Sat, 31 Dec 2005 16:51:29 +0100 From: Mark v Wolher User-Agent: Mozilla/4.8 [en] (Windows NT 5.1; U) X-Accept-Language: en-us MIME-Version: 1.0 To: Mark v Wolher CC: Jesper Juhl , Alistair John Strachan , Lee Revell , Folkert van Heusden , Linux Kernel Subject: Re: system keeps freezing once every 24 hours / random apps crashing References: <43B53EAB.3070800@ns666.com> <200512310027.47757.s0348365@sms.ed.ac.uk> <43B5D3ED.3080504@ns666.com> <200512310051.03603.s0348365@sms.ed.ac.uk> <43B5D6D0.9050601@ns666.com> <43B65DEE.906@ns666.com> <9a8748490512310308g1f529495ic7eab4bd3efec9e4@mail.gmail.com> <43B66E3D.2010900@ns666.com> <9a8748490512310349g10d004c7i856cf3e70be5974@mail.gmail.com> <43B67DB6.2070201@ns666.com> <43B6A14E.1020703@ns666.com> In-Reply-To: <43B6A14E.1020703@ns666.com> X-Enigmail-Version: 0.91.0.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Mark v Wolher wrote: > Mark v Wolher wrote: > >>Jesper Juhl wrote: >> >> >>>On 12/31/05, Mark v Wolher wrote: >>> >>> >>> >>>>Jesper Juhl wrote: >>>> >>>> >>>> >>>>>On 12/31/05, Mark v Wolher wrote: >>>>> >>>>> >>>>> >>>>> >>>>>>g'morning ! >>>>>> >>>>>>the memtest86 went 40 times over the memory, no errors detected. >>>>>> >>>>> >>>>>Give memtest86+ a spin (http://www.memtest.org/) as well. memtest86 is >>>>>good, but I've found in the past that memtest86+ sometimes finds >>>>>errors that memtest86 does not, so giving both a sin fo an extended >>>>>period of time is usually a good idea. >>>>>Also, make sure you enable all the tests of both tools. >>>> >>>>Hi Jesper, >>>> >>>>Oh i thought they were the same, i used memtest86+ which comes with >>>>debian and not the "older" memtest86. >>>> >>>>Right now i booted the kernel with nomce since one never knows with dell >>> >>> >>>Surpressing MCE's (Machine Check Exceptions) is a really bad idea >>>usually. MCE's indicate a hardware problem, so unless it's known that >>>a certain MCE is reported wrongly they should *not* be ignored. >> >> >>Hi Jesper, >> >>Yes, i rather not disable it, but since i found some reports also >>related to dell machines which somehow do not follow always the standard >>this caused false exceptions on them. I'll re-enable it, and see if the >>update of the intel microcode made a difference. I have now only the nv >>module loaded. If a crash occurs i'll open the box and remove the tvcard. >> >>Also, i wonder, i downloaded the DSDT table from the bios and when i >>recompiled it with IASL from intel it showed 7 errors, one of them >>related to DMA. It is known that alot of companies like Dell use >>microsoft compilers which easily skip such errors or not report them, >>this is what i read. >> >>I'm pasting the DSDT errors occured during recompile, who knows, this >>could also a help a little bit. >> >>DSDT Table / Recompile: >> >>Intel ACPI Component Architecture >>ASL Optimizing Compiler version 20050930 [Dec 15 2005] >>Copyright (C) 2000 - 2005 Intel Corporation >>Supports ACPI Specification Revision 3.0 >> >>dsdt.dsl 338: Notify (\_SB.PCI0.USB0, 0x02) >>Error 1061 - Object does not exist ^ (\_SB.PCI0.USB0) >> >>dsdt.dsl 351: Notify (\_SB.PCI0.USB1, 0x02) >>Error 1061 - Object does not exist ^ (\_SB.PCI0.USB1) >> >>dsdt.dsl 364: Notify (\_SB.PCI0.USB2, 0x02) >>Error 1061 - Object does not exist ^ (\_SB.PCI0.USB2) >> >>dsdt.dsl 377: Notify (\_SB.PCI0, 0x02) >>Error 1061 - Object does not exist ^ (\_SB.PCI0) >> >>dsdt.dsl 384: Notify (\_SB.PCI0.PCI4, 0x02) >>Error 1061 - Object does not exist ^ (\_SB.PCI0.PCI4) >> >>dsdt.dsl 400: Notify (\_SB.PCI0.ISA.KBD, 0x02) >>Error 1061 - Object does not exist ^ (\_SB.PCI0.ISA.KBD) >> >>dsdt.dsl 1784: Device (DMA) >>Error 1094 - ^ syntax error, unexpected >>PARSEOP_DMA, expecting PARSEOP_NAMESEG or PARSEOP_NAMESTRING >> >>ASL Input: dsdt.dsl - 3096 lines, 93624 bytes, 515 keywords >>Compilation complete. 7 Errors, 0 Warnings, 0 Remarks, 53 Optimizations >> >> >>==== >> >>LSUSB: >>Bus 004 Device 002: ID 0d8c:0001 C-Media Electronics, Inc. >>Bus 004 Device 001: ID 0000:0000 >>Bus 003 Device 003: ID 051d:0002 American Power Conversion Back-UPS Pro >>500/1000/1500 >>Bus 003 Device 002: ID 046d:c00e Logitech, Inc. Optical Mouse >>Bus 003 Device 001: ID 0000:0000 >>Bus 002 Device 001: ID 0000:0000 >>Bus 001 Device 001: ID 0000:0000 >> >> >>===== >> >>cat /proc/meminfo: >> >>MemTotal: 512548 kB >>MemFree: 10684 kB >>Buffers: 17252 kB >>Cached: 221508 kB >>SwapCached: 10120 kB >>Active: 355392 kB >>Inactive: 49652 kB >>HighTotal: 0 kB >>HighFree: 0 kB >>LowTotal: 512548 kB >>LowFree: 10684 kB >>SwapTotal: 4883680 kB >>SwapFree: 4739048 kB >>Dirty: 132 kB >>Writeback: 0 kB >>Mapped: 347756 kB >>Slab: 49344 kB >>CommitLimit: 5139952 kB >>Committed_AS: 635544 kB >>PageTables: 2108 kB >>VmallocTotal: 515796 kB >>VmallocUsed: 25556 kB >>VmallocChunk: 486608 kB >> >>===== >> >>cat /proc/cpuinfo: >> >>processor : 0 >>vendor_id : GenuineIntel >>cpu family : 15 >>model : 2 >>model name : Intel(R) Xeon(TM) CPU 2.40GHz >>stepping : 9 >>cpu MHz : 2392.630 >>cache size : 512 KB >>physical id : 0 >>siblings : 2 >>core id : 0 >>cpu cores : 1 >>fdiv_bug : no >>hlt_bug : no >>f00f_bug : no >>coma_bug : no >>fpu : yes >>fpu_exception : yes >>cpuid level : 2 >>wp : yes >>flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca >>cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe cid xtpr >>bogomips : 4791.93 >> >>processor : 1 >>vendor_id : GenuineIntel >>cpu family : 15 >>model : 2 >>model name : Intel(R) Xeon(TM) CPU 2.40GHz >>stepping : 9 >>cpu MHz : 2392.630 >>cache size : 512 KB >>physical id : 0 >>siblings : 2 >>core id : 0 >>cpu cores : 1 >>fdiv_bug : no >>hlt_bug : no >>f00f_bug : no >>coma_bug : no >>fpu : yes >>fpu_exception : yes >>cpuid level : 2 >>wp : yes >>flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca >>cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe cid xtpr >>bogomips : 4784.99 >> >>processor : 2 >>vendor_id : GenuineIntel >>cpu family : 15 >>model : 2 >>model name : Intel(R) Xeon(TM) CPU 2.40GHz >>stepping : 9 >>cpu MHz : 2392.630 >>cache size : 512 KB >>physical id : 3 >>siblings : 2 >>core id : 3 >>cpu cores : 1 >>fdiv_bug : no >>hlt_bug : no >>f00f_bug : no >>coma_bug : no >>fpu : yes >>fpu_exception : yes >>cpuid level : 2 >>wp : yes >>flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca >>cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe cid xtpr >>bogomips : 4785.12 >> >>processor : 3 >>vendor_id : GenuineIntel >>cpu family : 15 >>model : 2 >>model name : Intel(R) Xeon(TM) CPU 2.40GHz >>stepping : 9 >>cpu MHz : 2392.630 >>cache size : 512 KB >>physical id : 3 >>siblings : 2 >>core id : 3 >>cpu cores : 1 >>fdiv_bug : no >>hlt_bug : no >>f00f_bug : no >>coma_bug : no >>fpu : yes >>fpu_exception : yes >>cpuid level : 2 >>wp : yes >>flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca >>cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe cid xtpr >>bogomips : 4785.12 >> >>===== >> >>lspci -v: >>0000:00:00.0 Host bridge: Intel Corporation E7505 Memory Controller Hub >>(rev 03) >> Subsystem: Dell: Unknown device 012c >> Flags: bus master, fast devsel, latency 0 >> Memory at e8000000 (32-bit, prefetchable) [size=128M] >> Capabilities: [40] #09 [0104] >> Capabilities: [a0] AGP version 3.0 >> >>0000:00:01.0 PCI bridge: Intel Corporation E7505/E7205 PCI-to-AGP Bridge >>(rev 03) (prog-if 00 [Normal decode]) >> Flags: bus master, 66MHz, fast devsel, latency 64 >> Memory at e0000000 (32-bit, prefetchable) [size=128M] >> Bus: primary=00, secondary=01, subordinate=01, sec-latency=64 >> Memory behind bridge: fc000000-fdffffff >> Prefetchable memory behind bridge: f0000000-f7ffffff >> Capabilities: [60] #0e [0035] >> >>0000:00:02.0 PCI bridge: Intel Corporation E7505 Hub Interface B >>PCI-to-PCI Bridge (rev 03) (prog-if 00 [Normal decode]) >> Flags: bus master, 66MHz, fast devsel, latency 64 >> Bus: primary=00, secondary=02, subordinate=04, sec-latency=0 >> I/O behind bridge: 0000e000-0000efff >> Memory behind bridge: fe300000-fe6fffff >> >>0000:00:1d.0 USB Controller: Intel Corporation 82801DB/DBL/DBM >>(ICH4/ICH4-L/ICH4-M) USB UHCI Controller #1 (rev 01) (prog-if 00 [UHCI]) >> Subsystem: Dell: Unknown device 012c >> Flags: bus master, medium devsel, latency 0, IRQ 21 >> I/O ports at ff80 [size=32] >> >>0000:00:1d.1 USB Controller: Intel Corporation 82801DB/DBL/DBM >>(ICH4/ICH4-L/ICH4-M) USB UHCI Controller #2 (rev 01) (prog-if 00 [UHCI]) >> Subsystem: Dell: Unknown device 012c >> Flags: bus master, medium devsel, latency 0, IRQ 22 >> I/O ports at ff60 [size=32] >> >>0000:00:1d.2 USB Controller: Intel Corporation 82801DB/DBL/DBM >>(ICH4/ICH4-L/ICH4-M) USB UHCI Controller #3 (rev 01) (prog-if 00 [UHCI]) >> Subsystem: Dell: Unknown device 012c >> Flags: bus master, medium devsel, latency 0, IRQ 18 >> I/O ports at ff40 [size=32] >> >>0000:00:1d.7 USB Controller: Intel Corporation 82801DB/DBM (ICH4/ICH4-M) >>USB2 EHCI Controller (rev 01) (prog-if 20 [EHCI]) >> Subsystem: Dell: Unknown device 012c >> Flags: bus master, medium devsel, latency 0, IRQ 20 >> Memory at fe700800 (32-bit, non-prefetchable) [size=1K] >> Capabilities: [50] Power Management version 2 >> Capabilities: [58] #0a [2080] >> >>0000:00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev 81) >>(prog-if 00 [Normal decode]) >> Flags: bus master, fast devsel, latency 0 >> Bus: primary=00, secondary=05, subordinate=05, sec-latency=32 >> I/O behind bridge: 0000d000-0000dfff >> Memory behind bridge: fe100000-fe2fffff >> Prefetchable memory behind bridge: f8000000-f80fffff >> >>0000:00:1f.0 ISA bridge: Intel Corporation 82801DB/DBL (ICH4/ICH4-L) LPC >>Interface Bridge (rev 01) >> Flags: bus master, medium devsel, latency 0 >>0000:00:1f.1 IDE interface: Intel Corporation 82801DB (ICH4) IDE >>Controller (rev 01) (prog-if 8a [Master SecP PriP]) >> Subsystem: Dell: Unknown device 012c >> Flags: bus master, medium devsel, latency 0, IRQ 18 >> I/O ports at >> I/O ports at >> I/O ports at >> I/O ports at >> I/O ports at ffa0 [size=16] >> Memory at 30000000 (32-bit, non-prefetchable) [size=1K] >> >>0000:00:1f.3 SMBus: Intel Corporation 82801DB/DBL/DBM >>(ICH4/ICH4-L/ICH4-M) SMBus Controller (rev 01) >> Subsystem: Dell: Unknown device 012c >> Flags: medium devsel, IRQ 4 >> I/O ports at cc80 [size=32] >> >>0000:00:1f.5 Multimedia audio controller: Intel Corporation >>82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) AC'97 Audio Controller (rev 01) >> Subsystem: Dell: Unknown device 012c >> Flags: bus master, medium devsel, latency 0, IRQ 23 >> I/O ports at c800 [size=256] >> I/O ports at cc40 [size=64] >> Memory at fe700400 (32-bit, non-prefetchable) [size=512] >> Memory at fe700000 (32-bit, non-prefetchable) [size=256] >> Capabilities: [50] Power Management version 2 >> >>0000:01:00.0 VGA compatible controller: nVidia Corporation NV34GL >>[Quadro FX 500/600 PCI] (rev a1) (prog-if 00 [VGA]) >> Subsystem: nVidia Corporation: Unknown device 01ba >> Flags: bus master, 66MHz, medium devsel, latency 248, IRQ 21 >> Memory at fc000000 (32-bit, non-prefetchable) [size=16M] >> Memory at f0000000 (32-bit, prefetchable) [size=128M] >> Expansion ROM at fd000000 [disabled] [size=128K] >> Capabilities: [60] Power Management version 2 >> Capabilities: [44] AGP version 3.0 >> >>0000:02:1c.0 PIC: Intel Corporation 82870P2 P64H2 I/OxAPIC (rev 04) >>(prog-if 20 [IO(X)-APIC]) >> Subsystem: Dell: Unknown device 012c >> Flags: bus master, 66MHz, fast devsel, latency 0 >> Memory at fe3ff000 (32-bit, non-prefetchable) [size=4K] >> Capabilities: [50] PCI-X non-bridge device. >> >>0000:02:1d.0 PCI bridge: Intel Corporation 82870P2 P64H2 Hub PCI Bridge >>(rev 04) (prog-if 00 [Normal decode]) >> Flags: bus master, 66MHz, fast devsel, latency 64 >> Bus: primary=02, secondary=03, subordinate=03, sec-latency=48 >> I/O behind bridge: 0000e000-0000efff >> Memory behind bridge: fe500000-fe6fffff >> Capabilities: [50] PCI-X bridge device. >> >>0000:02:1e.0 PIC: Intel Corporation 82870P2 P64H2 I/OxAPIC (rev 04) >>(prog-if 20 [IO(X)-APIC]) >> Subsystem: Dell: Unknown device 012c >> Flags: bus master, 66MHz, fast devsel, latency 0 >> Memory at fe3fe000 (32-bit, non-prefetchable) [size=4K] >> Capabilities: [50] PCI-X non-bridge device. >> >>0000:02:1f.0 PCI bridge: Intel Corporation 82870P2 P64H2 Hub PCI Bridge >>(rev 04) (prog-if 00 [Normal decode]) >> Flags: bus master, 66MHz, fast devsel, latency 64 >> Bus: primary=02, secondary=04, subordinate=04, sec-latency=64 >> Capabilities: [50] PCI-X bridge device. >> >>0000:03:0d.0 Mass storage controller: Promise Technology, Inc. 20269 >>(rev 02) (prog-if 85) >> Subsystem: Promise Technology, Inc. Ultra133TX2 >> Flags: bus master, 66MHz, slow devsel, latency 64, IRQ 19 >> I/O ports at ecf8 [size=8] >> I/O ports at ecf0 [size=4] >> I/O ports at ece0 [size=8] >> I/O ports at ecd8 [size=4] >> I/O ports at ecc0 [size=16] >> Memory at fe5fc000 (32-bit, non-prefetchable) [size=16K] >> Expansion ROM at fe600000 [disabled] [size=16K] >> Capabilities: [60] Power Management version 1 >> >>0000:03:0e.0 Ethernet controller: Intel Corporation 82545EM Gigabit >>Ethernet Controller (Copper) (rev 01) >> Subsystem: Dell: Unknown device 012c >> Flags: bus master, 66MHz, medium devsel, latency 64, IRQ 16 >> Memory at fe5c0000 (64-bit, non-prefetchable) [size=128K] >> I/O ports at ec80 [size=64] >> Capabilities: [dc] Power Management version 2 >> Capabilities: [e4] PCI-X non-bridge device. >> Capabilities: [f0] Message Signalled Interrupts: 64bit+ >>Queue=0/0 Enable- >> >>0000:05:0c.0 FireWire (IEEE 1394): Texas Instruments TSB43AB22/A >>IEEE-1394a-2000 Controller (PHY/Link) (prog-if 10 [OHCI]) >> Subsystem: Dell: Unknown device 012c >> Flags: bus master, medium devsel, latency 64, IRQ 4 >> Memory at fe1ff800 (32-bit, non-prefetchable) [size=2K] >> Memory at fe1f8000 (32-bit, non-prefetchable) [size=16K] >> Capabilities: [44] Power Management version 2 >> >>0000:05:0d.0 Multimedia audio controller: Creative Labs SB Live! EMU10k1 >>(rev 07) >> Subsystem: Creative Labs SBLive! 5.1 Model SB0100 >> Flags: bus master, medium devsel, latency 64, IRQ 24 >> I/O ports at dce0 [size=32] >> Capabilities: [dc] Power Management version 1 >> >>0000:05:0d.1 Input device controller: Creative Labs SB Live! MIDI/Game >>Port (rev 07) >> Subsystem: Creative Labs Gameport Joystick >> Flags: bus master, medium devsel, latency 64 >> I/O ports at dcd8 [size=8] >> Capabilities: [dc] Power Management version 1 >> >>0000:05:0e.0 Multimedia video controller: Brooktree Corporation Bt878 >>Video Capture (rev 02) >> Subsystem: TERRATEC Electronic GmbH: Unknown device 1134 >> Flags: bus master, medium devsel, latency 64, IRQ 17 >> Memory at f80ff000 (32-bit, prefetchable) [size=4K] >> >>0000:05:0e.1 Multimedia controller: Brooktree Corporation Bt878 Audio >>Capture (rev 02) >> Subsystem: TERRATEC Electronic GmbH: Unknown device 1134 >> Flags: bus master, medium devsel, latency 64, IRQ 10 >> Memory at f80fe000 (32-bit, prefetchable) [size=4K] >> >> >>==== >> >>ver_linux script output: >>If some fields are empty or look unusual you may have an old version. >>Compare to the current minimal requirements in Documentation/Changes. >> >>Linux sigma-9 2.6.14.5 #5 SMP Fri Dec 30 19:50:12 CET 2005 i686 GNU/Linux >> >>Gnu C 3.3.5 >>Gnu make 3.80 >>binutils 2.15 >>util-linux 2.12p >>mount 2.12p >>module-init-tools 3.2-pre1 >>e2fsprogs 1.37 >>reiserfsprogs line >>reiser4progs line >>PPP 2.4.3 >>nfs-utils 1.0.6 >>Linux C Library 2.3.2 >>Dynamic linker (ldd) 2.3.2 >>Procps 3.2.1 >>Net-tools 1.60 >>Console-tools 0.2.3 >>Sh-utils 5.2.1 >>udev 056 >>Modules Loaded nv >> >> >>==== >> >>results of memtest86+ after 40 passes with all tests enabled: no errors >> >>==== >> >>cat /proc/interrupts: >> CPU0 CPU1 CPU2 CPU3 >> 0: 501324 492735 492754 492100 IO-APIC-edge timer >> 1: 2555 2761 2861 2451 IO-APIC-edge i8042 >> 7: 0 0 0 0 IO-APIC-edge parport0 >> 8: 2369118 2386295 2363140 2356586 IO-APIC-edge rtc >> 9: 0 0 0 0 IO-APIC-level acpi >> 14: 21 0 0 0 IO-APIC-edge ide0 >> 15: 13 0 0 0 IO-APIC-edge ide1 >> 16: 28924 0 0 0 IO-APIC-level eth0 >> 17: 97407 105474 103650 103304 IO-APIC-level bttv0 >> 18: 48 4 0 7 IO-APIC-level >>uhci_hcd:usb4 >> 19: 28880 54020 48433 23791 IO-APIC-level ide2, ide3 >> 20: 6 0 1 0 IO-APIC-level >>ehci_hcd:usb1 >> 21: 398859 319390 317707 425780 IO-APIC-level >>uhci_hcd:usb2, nv >> 22: 200970 244113 220837 191613 IO-APIC-level >>uhci_hcd:usb3 >> 23: 0 0 0 0 IO-APIC-level Intel >>82801DB-ICH4 >> 24: 9460 9468 12491 8706 IO-APIC-level EMU10K1 >>NMI: 0 0 0 0 >>LOC: 1978858 1979111 1979110 1979109 >>ERR: 0 >>MIS: 0 >> >> >>==== >> >>2.6.14.5 vanilla kernel .config file see attachment >> >>==== >> >>I hope this gives more complete picture of the current running setup. >> >> > > > Ok, got some more data now, i did recompile the kernel with alot of > debugging options turned on in kernel hacking section. > > Maybe because of those debugging options the system won't freeze quickly > but rather display the errors and continue to run, because of > detect_soft_lockups and nmi watchdog i think. > > Here is new data, this time it had to do with bttv: > > Dec 31 16:11:35 localhost kernel: Unable to handle kernel paging request at > virtual address d162e000 > Dec 31 16:11:35 localhost kernel: printing eip: > Dec 31 16:11:35 localhost kernel: c036037a > Dec 31 16:11:35 localhost kernel: *pgd = 46063 > Dec 31 16:11:35 localhost kernel: *pmd = 46063 > Dec 31 16:11:35 localhost kernel: *pte = 1162e000 > Dec 31 16:11:35 localhost kernel: Oops: 0002 [#1] > Dec 31 16:11:35 localhost kernel: SMP DEBUG_PAGEALLOC > Dec 31 16:11:35 localhost kernel: Modules linked in: nv > Dec 31 16:11:35 localhost kernel: CPU: 2 > Dec 31 16:11:35 localhost kernel: EIP: 0060:[bttv_risc_packed+394/432] > Not tainted VLI > Dec 31 16:11:35 localhost kernel: EFLAGS: 00210202 (2.6.14.5) > Dec 31 16:11:35 localhost kernel: eax: 14000008 ebx: d5ce9800 ecx: > d162e000 edx: 00000008 > Dec 31 16:11:35 localhost kernel: esi: 00000008 edi: 000000ff ebp: > cd06dde8 esp: cd06ddd0 > Dec 31 16:11:35 localhost kernel: ds: 007b es: 007b ss: 0068 > Dec 31 16:11:35 localhost kernel: Process xawtv (pid: 31110, > threadinfo=cd06c000 task=ca871aa0) > Dec 31 16:11:35 localhost kernel: Stack: df80bbf8 c3b25fbc 00000fd0 00000c00 > 000d8000 c3b25ef8 cd06de40 c0361b0b > Dec 31 16:11:35 localhost kernel: c06ccba0 c3b25fbc d5ce8000 00000c00 > 00000c00 00000c00 00000120 000001b1 > Dec 31 16:11:35 localhost kernel: 00000008 c3b25f1c c06cd168 00000000 > cd06de40 c037022a df80bbf8 c3b25f1c > Dec 31 16:11:35 localhost kernel: Call Trace: > Dec 31 16:11:35 localhost kernel: [show_stack+127/160] > Dec 31 16:11:35 localhost kernel: [show_registers+347/448] > Dec 31 16:11:35 localhost kernel: [die+256/384] > Dec 31 16:11:35 localhost kernel: [do_page_fault+1084/2083] > Dec 31 16:11:35 localhost kernel: [error_code+79/96] > Dec 31 16:11:35 localhost kernel: [bttv_buffer_risc+1371/1696] > Dec 31 16:11:35 localhost kernel: [bttv_prepare_buffer+268/464] > Dec 31 16:11:35 localhost kernel: [buffer_prepare+69/80] > Dec 31 16:11:35 localhost kernel: [videobuf_read_zerocopy+108/304] > Dec 31 16:11:35 localhost kernel: [videobuf_read_one+522/560] > Dec 31 16:11:35 localhost kernel: [bttv_read+272/352] > Dec 31 16:11:35 localhost kernel: [vfs_read+213/432] > Dec 31 16:11:35 localhost kernel: [sys_read+75/128] > Dec 31 16:11:35 localhost kernel: [syscall_call+7/11] > Dec 31 16:11:35 localhost kernel: Code: 00 0d 00 00 00 10 89 01 8b 43 08 83 > c1 04 89 01 8b 43 0c 83 c1 04 83 c3 10 29 c2 8b 43 0c 39 c2 77 df 89 d0 89 > d6 0d 00 00 00 14 <89> 01 8b 43 08 83 c1 04 89 01 83 c1 04 eb 8a 8d b4 26 00 > 00 00 > > > > (please don't see nv as any module, a copy/paste accident of mine while commenting my log) I just had xchat crash, nothing in the log, it just disappeared. The system is now very slow but i guess that's because of the debugging options enabled.