Kernel freeze next steps

[Timothy M. Spear]

Ed Arnold wrote:
> "Timothy M. Spear" <tspear at tangiblesoftware.com> wrote:
>
>   
>> Hi,
>>    My desktop machine will periodically freeze completely. It will not 
>> respond to mouse, keyboard, network pings, ssh or any other service. I 
>> have tried the usual items to eliminate the problem:
>>    1. memtest 86+ no errors
>>    2. turn off ACPI, APM, and AMD PowerNow
>>    3. checked messages, syslog, kern.log, dmesg for errors. I did not 
>> find any.
>>    4. Leave the machine in console mode and wait for a lock. No errors 
>> displayed.
>>    5. Rebuild system in case of corruption
>>    6. Check system freeze with Live CD. Does not (which leads me to 
>> suspect disk I/O is the problem).
>>    7. Check hardware in other machines, tested everything but CPUs and 
>> Motherboards in other computers. No problems.
>>    8. BIOS Patches. All updated.
>>
>>    One other symptom, which may or may not be related, is very slow I/O 
>> performance.
>>
>>    Basic system information:
>>    -- Gutsy Gibbon AMD64, fully patched.
>>    -- Dual Opteron 246 processors
>>    -- 4 GB of Ram
>>    -- 8 SATA Drives. 4 attached on the Motherboard, 4 attached to a 
>> Promise card. Both use the SiI 3114 Chipset.
>>
>>    Any ideas on what next to try to debug this would be appreciated.
>>
>> Thanks,
>>
>> Tim
>>
>> -- 
>> Timothy M. Spear
>> COO
>> Tangible Software, Inc.
>>     
>
>
> Chances are you've got a configuration that tickles this bug:
>
> https://bugs.launchpad.net/ubuntu/+bug/159398
>
> I have a Dell D810 laptop that does the same thing.  Once the system
> locks up, it won't respond to anything, including CTL+ALT+F1.  So there
> isn't much you can do.
>
> My "fix" for this was to install 7.04.  So far 7.04 has not locked,
> but I'll have to run it a while longer before I'm sure it's OK.
>   
I found those bugs, but all the posts I found had wireless involved. I 
actually do not have any wireless configuration or hardware. I am hoping 
it will get resolved soon, it is kinda annoying to have to reboot the 
machine on a daily basis.

Tim