Want uni-processor kernel on FC5 x86_64

Harald Grossauer harald.grossauer at uibk.ac.at
Fri Aug 25 13:04:01 UTC 2006


Harald Grossauer wrote:
> Andy Green wrote:
>   
>> Harald Grossauer wrote:
>>     
>>> Hi,
>>>
>>> since the upgrade to FC5.x86_64 (from FC3.x86_64) Thunderbird
>>> sometimes locks up when downloading large emails (not always
>>> reproducible), Firefox frequently hangs (irreproducibly) without
>>> apparent reason. Starting both programs with "strace -f ..." shows
>>> that the last system call before lockups are futex syscalls. So I
>>> thought there might be some race condition? Maybe it has to do with
>>> the SMP kernel used by default in 64bit FC5? Is there a way to get a
>>> "FC5.x86_64-standard kernel" without SMP?
>>>
>>> Regards,
>>> Harald
>>>
>>>       
>> Workaround to simulate this might be to add the following to the SMP
>> kernel commandline
>>
>> isolcpus=1
>>
>> But it seems there is a deeper problem somewhere that it locks up at all.
>>
>> -Andy
>>     
> Thanks for the advice, did not change anything though :-(
> So the problem seems to be somewhere else.
>
>   
Also tried your adivce from
https://www.redhat.com/archives/fedora-list/2006-August/msg03134.html,
did not change anything either.
Thanks for your help, though!

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