Mark v Wolher wrote:
>
> Jesper Juhl wrote:
>
>>On 12/30/05, Trilight <[email protected]> wrote:
>>
>>
>>>Hiya,
>>>
>>>I'm using the 2.6.14.5 kernel and i notice that the system freezes
>>>sometimes, within 24 hours usually, a total freeze, no mouse/keyb
>>>reaction. Also i notice that apps crash randomly sometimes.
>>>
>>
>>When did this start to happen? Was it OK with a previous kernel
>>version? if it was ok with a previous version, then what was that
>>version?
>>Was it OK before you added a particular piece of hardware? If so, what
>>hardware? Have you tried removing that hardware to see if the problem
>>goes away?
>>
>>
>>
>>>What can i do to investigate this ?
>>>
>>
>>A few things you can try :
>>
>>1) Start by providing some more info. Some details on your
>>hardware/software. Something like the following + whatever else you
>>consider relevant :
>> - name and version of your Linux distribution
>> - output of the scripts/ver_linux script found in the kernel source
>> - your kernels .config file
>> - full dmesg output after boot
>> - Motherboard name/model
>> - output of cat /proc/cpuinfo
>> - output of cat /proc/meminfo
>> - output of lspci -vv
>> - output of lsusb
>>
>>2) Tell us what you have already tried in order to try and resolve the
>>problem, including your results with the various things you've tried.
>>
>>3) Try building/running a kernel with the various debug options found
>>in the kernel hacking section turned on and see if that results in
>>more details in dmesg/logs etc and provide the extra info if any.
>>
>>4) Try building a 2.6.15-rc7-git4 kernel with the same config and see
>>if that one also has problems.
>>
>>Make sure your hardware is OK, CPU not overheating, RAM is OK (run
>>memtest86 with all tests enabled overnight) etc.
>>
>>Try removing all extra hardware components in your system you don't
>>need for the system to boot and see if the problem then goes away. If
>>it does, try adding back hardware one piece at a time and re-test,
>>find out if it's related to a certain piece of hardware or a specific
>>driver.
>
>
> <..>
>
> Thanks for the advise !
>
> About the memory test, i did that, 7 full passes, no errors, it's 512mb
> ecc memory btw. I'm going to let it, when i go to sleep, run the whole
> night.
>
> hardware:
>
> System is a dell precision workstation 650, dual xeon 2.4ghz w/HT, intel
> E7505 motherboard.
>
> distro: debian sarge
> kernel: vanilla 2.6.14.5
>
> for the rest there is nothing special to see in dmesg output, lspci or
> with lsusb. cpuinfo shows everything what it should show.
>
> Memoinfo:
>
> MemTotal: 512528 kB
> MemFree: 8760 kB
> Buffers: 2656 kB
> Cached: 236216 kB
> SwapCached: 2052 kB
> Active: 390480 kB
> Inactive: 54756 kB
> HighTotal: 0 kB
> HighFree: 0 kB
> LowTotal: 512528 kB
> LowFree: 8760 kB
> SwapTotal: 4883680 kB
> SwapFree: 4864064 kB
> Dirty: 112 kB
> Writeback: 0 kB
> Mapped: 388988 kB
> Slab: 23320 kB
> CommitLimit: 5139944 kB
> Committed_AS: 518952 kB
> PageTables: 1912 kB
> VmallocTotal: 515796 kB
> VmallocUsed: 25496 kB
> VmallocChunk: 487120 kB
>
>
> Other findings;
>
> - all kernels had the same issue, except (not 100 % sure) 2.4.2X kernels
> - tried acpi=noirq without success and many many other acpi options &
> combo's
> - nvidia binary driver replaced by kernel nv driver but without success
>
> I have no reason to suspect the tvcard which is a terratec value with a
> bt878 chip, support in the kernel. But on the other hand it could be the
> tvcard, but i see no relation to anything with it. I tried also using
> DAC snoop in the bios but no good.
>
> None of the issue's occur when using windows xp pro/rhel enterprise 4
>
> I'm going to let the memory test on for the whole night, i'll also
> compile the kernel with debugging options on. But i don't think the
> debugging options will matter since nothing is logged when the freeze
> occurs.
>
I'm not sure what to make of this, but it looks like only 1 cpu is kept
busy with interrupts:
CPU0 CPU1 CPU2 CPU3
0: 1033372 0 0 0 IO-APIC-edge timer
1: 10346 0 0 0 IO-APIC-edge i8042
7: 0 0 0 0 IO-APIC-edge parport0
8: 4795679 0 0 0 IO-APIC-edge rtc
9: 0 0 0 0 IO-APIC-level acpi
14: 29 0 0 0 IO-APIC-edge ide0
15: 21 0 0 0 IO-APIC-edge ide1
169: 12646 0 0 0 IO-APIC-level eth0
177: 166090 0 0 0 IO-APIC-level bttv0
185: 59 0 0 0 IO-APIC-level
uhci_hcd:usb4
193: 76030 0 0 0 IO-APIC-level ide2, ide3
201: 5 0 0 0 IO-APIC-level
ehci_hcd:usb1
209: 681735 0 0 0 IO-APIC-level
uhci_hcd:usb2, nvidia
217: 465677 0 0 0 IO-APIC-level
uhci_hcd:usb3
225: 0 0 0 0 IO-APIC-level Intel
82801DB-ICH4
233: 33792 0 0 0 IO-APIC-level EMU10K1
NMI: 0 0 0 0
LOC: 1033319 1033572 1033571 1033570
ERR: 0
MIS: 0
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