On 04/20/2010 10:37 AM, Andre Noll wrote: ... > - device timeout 30s, nobarrier > No problem at all, all three runs OK. > > Eric, are you still interested in seeing the blktrace output? Suppose, > I should use a 30s timeout, nodealloc and barriers=1 as this triggers > the problem within minutes. Hm, so something about barriers being issued is causing timeout problems on the device...? since nodelalloc made it -worse- I suppose that rules out the problems with fs flushing near ensopc, that should only be happening with delalloc. To be honest I'm not sure what I would do with the blktrace data now, but perhaps someone might be interested to see it; I'd at least gather it. -Eric -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html