Big problems with 7.1 locking up :-(

[Guy Helmer]

Guy Helmer wrote:
> FWIW, I think I have tracked down the changes just prior to 
> 7.1-RELEASE that is causing my Supermicro dual Xeon machines to 
> wedge.  I did the binary search between 2008-10-02 and 2008-11-24 
> without reproducing any lockups, and then I went on to search between 
> 2008-11-24 and 2009-01-04.  An SMP kernel build from 2008-12-22 
> (r186409) sources was stable for over two weeks; a kernel built from 
> 2008-12-29 (r186590) sources wedged in under 24 hours under moderate 
> load.
>
> It appears that the significant changes between r186409 and r186590 
> were r186552 (delphij - reverted ATA changes) and r186535/r186534 
> (delphij - reverted bce changes).  My machines don't have bce 
> interfaces, so I suspect the ATA changes.
>
Never mind.  I'm stepping back through older kernels and finding that 
the hangs are now occurring in kernels that had seemed to be stable...

Guy