Hi Greg Perusing: http://git.kernel.org/?p=linux/kernel/git/stable/stable-queue.git doesn't show the patch referenced below as in the queue for 2.6.25.5 David David Greaves wrote: > Eric Sandeen wrote: >> Eric Sandeen wrote: >>> Eric Sandeen wrote: >>> >>>> I'll see if I have a little time today to track down the problem. >>> Does this patch fix it for you? Does for me though I can't yet explain >>> why ;) >>> >>> http://www.linux.sgi.com/archives/xfs/2008-05/msg00190.html >>> >>> -Eric > Yes, this fixes it for me - thanks :) > >> So what's happening is that xfs is trying to read a page-sized IO from >> the last sector of the log... which goes off the end of the device. >> This looks like another regression introduced by >> a9759f2de38a3443d5107bddde03b4f3f550060e, but fixed by Christoph's patch >> in the URL above, which should be headed towards -stable. > Damn, I guess I misread my bisect readings when things crashed then. > Still, I said 'around' :) > >> (aside: it seems that this breaks any external log setup where the log >> consists of the entire device... but I'd have expected the xfsqa suite >> to catch this...?) >> >> The patch avoids the problem by looking for some extra locking but it >> seems to me that the root cause is that the buffer being read at this >> point doesn't have it's b_offset, the offset in it's page, set. Might >> be another little buglet but harmless it seems. -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
