On Thu, 2007-12-06 at 14:01 -0500, Lee Schermerhorn wrote: > On Thu, 2007-12-06 at 10:35 -0800, Andrew Morton wrote: > > On Thu, 06 Dec 2007 13:14:22 -0500 Lee Schermerhorn <Lee.Schermerhorn@xxxxxx> wrote: > > > > > On Wed, 2007-12-05 at 13:20 -0800, Andrew Morton wrote: > > > > On Wed, 05 Dec 2007 11:36:39 -0500 > > > > Lee Schermerhorn <Lee.Schermerhorn@xxxxxx> wrote: > > > > > > > > > As reported here: > > > > > > > > > > http://marc.info/?l=linux-scsi&m=119645761124683&w=4 > > > > > > > > > > against 24-rc3-mm2, I'm still seeing the hang on my HP ia64 NUMA > > > > > platform under 24-rc4-mm1 with async scsi scan enabled. I'm still > > > > > seeing the message "mptspi: ioc#: mpt_config failed" when it hangs. > > > > > > > > > > I can boot by disabling async scan. However, I've also noticed some > > > > > disks attached via one of the "mpt" adapters ["scsi8" in console long in > > > > > message linked above] going "off-line" during stress tests. This was > > > > > under 24-rc3-mm2. Haven't got that far yet with 24-rc4-mm1. > > > > > > > > > > > > > Is ther any way of tricking you into > > > > http://www.zip.com.au/~akpm/linux/patches/stuff/bisecting-mm-trees.txt? > > > > > > > > Obvious culprits to start with would be git-scsi-misc and maybe > > > > scsi-early-detection-of-medium-not-present-updated.patch. But there are > > > > only 20-odd scsi patches in there. > > > > > > The reported hang occurs after pushing the git-scsi-misc patch. > > After trying a few "suspect" hunks of the git-scsi-misc.patch, I have verified that the commit 8655a546c83fc43f0a73416bbd126d02de7ad6c0--as discussed in http://marc.info/?t=119689824100001&r=1&w=4 for a different symptom--seems to be the culprit. Reverting this patch allows me to boot with async scsi scan enabled. I'm starting a stress test to verify that this fixes the "disk going off-line" issue that I saw earlier. Lee - To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html