Latest FC kernel still have SMP bugs?

[WipeOut]

Chris Rouch wrote:

>On Fri, 2 Apr 2004 10:21:23 +1000
>Norman Gaywood <norm at turing.une.edu.au> wrote:
>
>  
>
>>On Thu, Apr 01, 2004 at 04:31:57PM -0500, Chris Miller wrote:
>>    
>>
>>>On Thu, 2004-04-01 at 09:48, Mitch Wiedemann wrote:
>>>      
>>>
>>>>Is the FC1 2.4.22-1.2174.nptl kernel still having problems with
>>>>SMP and hanging?
>>>>        
>>>>
>>>I run around 100 SMP servers with no problem.  
>>>
>>>Hardware.
>>>Dual Xeon servers with HT on supermicro server boards.
>>>Dual AMD on Tyan 2469,2468,2462
>>>Dual Opteron on Tyan 2880
>>>
>>>And I do run the fedora kernel.  Anything I can do to help let me
>>>know. But I have never seen any of the problems anyone is talking
>>>about.
>>>      
>>>
>>I'd be interested if you could run the script from:
>>
>>http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=109962#c40
>>
>>and see how you go. The script creates a small file in /tmp, makes a
>>filesystem image out of that file, and then continuously does a
>>loop-back mount/umount until you get sick of it and ^C out.
>>
>>Any FC1 SMP kernel I have used on several types of systems, including
>>AMD single processor systems running the athlon SMP kernel, will
>>lockup in less than 500 mount/umounts. Usually much faster.
>>
>>    
>>
>
>Our servers have ~10 partitions mounted, all local ext3 and have no
>problems with the SMP kernel. However the workstations  (with
>hyperthreading switched on) automount some of their disks from the
>servers. They tend to lock up after a few days. So one workaround
>appears to be to use fixed nfs mounts at boot time.
>
>FWIW, running the script, the workstations would lock up between 1000
>and 1400 mounts.
>
>
>Regards,
>
>Chris
>
>
>
>  
>
I personally don't think it has anything to do with NFS mounts, I don't 
have any but the still have the lockup's on my HT desktop.. No problem 
with a vanilla SMP kernel..