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

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