On Thursday, February 03, 2011, Martin Steigerwald wrote: > Added linux-btrfs and Helmut Hullen, who seemed to experience hangs on a > T23 with BTRFS as well, to Cc. > > Am Thursday 03 February 2011 schrieb Rafael J. Wysocki: > > This message has been generated automatically as a part of a report > > of regressions introduced between 2.6.36 and 2.6.37. > > > > The following bug entry is on the current list of known regressions > > introduced between 2.6.36 and 2.6.37. Please verify if it still should > > be listed and let the tracking team know (either way). > > > > > > Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=27842 > > Subject : [regression?] hang with 2.6.37 on a BTRFS test machine > > Submitter : Martin Steigerwald <Martin@xxxxxxxxxxxx> > > Date : 2011-01-23 12:06 (11 days old) > > Message-ID : <201101231306.23069.Martin@xxxxxxxxxxxx> > > References : http://marc.info/?l=linux-kernel&m=129578445613283&w=2 > > Well I now tested with 2.6.36 for more than a week and I did not see any > of such hangs upto now. The machine seems table with 2.6.36. So I think > its really an regression of 2.6.37. > > I am stuck with what to try next. Since trying to track it down to a > specific commit appears too involved for me and its appears also quite > laborious to get any value debug information out of the kernel - cause it > can take days for the bug to appear -, I am inclined to either test with > 2.6.37.1 once its available or just give it a go with 2.6.38-rc3 or rc4. > Maybe 2.6.38-rc3/4 would be the best bet, I have seen a report on the > btrfs mailing list of 2.6.38 fixing a BTRFS hang bug that appeared with > 2.6.37. I am just not sure whether its related or not. > > Re: [PATCH v2]Btrfs: pwrite blocked when writing from the mmaped buffer of > the same page > http://marc.info/?l=linux-btrfs&m=129623925116051&w=2 > > There is another thread about 2.6.37 related BTRFS hang: > > flush-btrfs-1 hangs when building openwrt > http://marc.info/?l=linux-btrfs&m=129594547616298&w=2 > > I will add this as comment to the bug report as well. Thanks for the update. Rafael -- To unsubscribe from this list: send the line "unsubscribe kernel-testers" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html