This is still occurring, even on the very latest kernel.... Sep 12 14:11:17 dnetwww2 cachefilesd[3269]: Refilling cull table Sep 12 14:11:17 dnetwww2 cachefilesd[3269]: Scan complete Sep 12 14:11:47 dnetwww2 cachefilesd[3269]: Refilling cull table Sep 12 14:11:47 dnetwww2 cachefilesd[3269]: Scan complete Sep 12 14:11:47 dnetwww2 cachefilesd[3269]: Decant (all 4) Sep 12 14:13:58 dnetwww2 Pid: 185, comm: kslowd Not tainted 2.6.31-git2 #1 Sep 12 14:13:58 dnetwww2 Call Trace: Sep 12 14:13:58 dnetwww2 [<ffffffff8113f2ca>] 0xffffffff8113f2ca Sep 12 14:13:58 dnetwww2 [<ffffffff81032f10>] 0xffffffff81032f10 Sep 12 14:13:58 dnetwww2 [<ffffffff81033189>] 0xffffffff81033189 Sep 12 14:13:58 dnetwww2 [<ffffffff8104f361>] 0xffffffff8104f361 Sep 12 14:13:58 dnetwww2 [<ffffffff8107a25a>] 0xffffffff8107a25a Sep 12 14:13:58 dnetwww2 [<ffffffff8110148d>] 0xffffffff8110148d Sep 12 14:13:58 dnetwww2 [<ffffffff8108cde2>] ? 0xffffffff8108cde2 Sep 12 14:13:58 dnetwww2 [<ffffffff81033194>] ? 0xffffffff81033194 Sep 12 14:13:58 dnetwww2 [<ffffffff8108d140>] 0xffffffff8108d140 Sep 12 14:13:58 dnetwww2 [<ffffffff810b4040>] 0xffffffff810b4040 Sep 12 14:13:58 dnetwww2 [<ffffffff810ff436>] 0xffffffff810ff436 Sep 12 14:13:58 dnetwww2 [<ffffffff810b42b8>] 0xffffffff810b42b8 Sep 12 14:13:58 dnetwww2 [<ffffffff8113c546>] 0xffffffff8113c546 Sep 12 14:13:58 dnetwww2 [<ffffffff8113df42>] ? 0xffffffff8113df42 Sep 12 14:13:58 dnetwww2 [<ffffffff8113cbae>] 0xffffffff8113cbae Sep 12 14:13:58 dnetwww2 [<ffffffff810f8154>] 0xffffffff810f8154 Sep 12 14:13:58 dnetwww2 [<ffffffff810f863a>] 0xffffffff810f863a Sep 12 14:13:58 dnetwww2 [<ffffffff81079351>] 0xffffffff81079351 Sep 12 14:13:58 dnetwww2 [<ffffffff8104f386>] ? 0xffffffff8104f386 Sep 12 14:13:58 dnetwww2 [<ffffffff810790dd>] ? 0xffffffff810790dd Sep 12 14:13:58 dnetwww2 [<ffffffff8104f061>] 0xffffffff8104f061 Sep 12 14:13:58 dnetwww2 [<ffffffff81011b8a>] 0xffffffff81011b8a Sep 12 14:13:58 dnetwww2 [<ffffffff8104efd2>] ? 0xffffffff8104efd2 Sep 12 14:13:58 dnetwww2 [<ffffffff81011b80>] ? 0xffffffff81011b80 Sep 12 14:13:58 dnetwww2 CacheFiles: I/O Error: Readpage failed on backing file 4000000000000810 Sep 12 14:13:58 dnetwww2 FS-Cache: Cache cachefiles stopped due to I/O error Restarting cachefilesd: Sep 12 14:16:05 dnetwww2 cachefilesd[3269]: Daemon Terminated Sep 12 14:16:05 dnetwww2 CacheFiles: File cache on sdb1 unregistering Sep 12 14:16:05 dnetwww2 FS-Cache: Withdrawing cache "mycache" Sep 12 14:16:06 dnetwww2 FS-Cache: Cache "mycache" added (type cachefiles) Sep 12 14:16:06 dnetwww2 CacheFiles: File cache on sdb1 registered Sep 12 14:16:06 dnetwww2 cachefilesd[4338]: About to bind cache Sep 12 14:16:06 dnetwww2 cachefilesd[4338]: Bound cache Sep 12 14:16:06 dnetwww2 cachefilesd[4339]: Daemon Started Sep 12 14:16:06 dnetwww2 cachefilesd[4339]: Scan complete Sep 12 14:16:06 dnetwww2 cachefilesd[4339]: Decant (all 4096) Sep 12 14:16:06 dnetwww2 Pid: 185, comm: kslowd Not tainted 2.6.31-git2 #1 Sep 12 14:16:06 dnetwww2 Call Trace: Sep 12 14:16:06 dnetwww2 [<ffffffff8113f2ca>] 0xffffffff8113f2ca Sep 12 14:16:06 dnetwww2 [<ffffffff81032f10>] 0xffffffff81032f10 Sep 12 14:16:06 dnetwww2 [<ffffffff81033189>] 0xffffffff81033189 Sep 12 14:16:06 dnetwww2 [<ffffffff8104f361>] 0xffffffff8104f361 Sep 12 14:16:06 dnetwww2 [<ffffffff8107a25a>] 0xffffffff8107a25a Sep 12 14:16:06 dnetwww2 [<ffffffff8110148d>] 0xffffffff8110148d Sep 12 14:16:06 dnetwww2 [<ffffffff8108cde2>] ? 0xffffffff8108cde2 Sep 12 14:16:06 dnetwww2 [<ffffffff81033194>] ? 0xffffffff81033194 Sep 12 14:16:06 dnetwww2 [<ffffffff8108d140>] 0xffffffff8108d140 Sep 12 14:16:06 dnetwww2 [<ffffffff810b4040>] 0xffffffff810b4040 Sep 12 14:16:06 dnetwww2 [<ffffffff810ff436>] 0xffffffff810ff436 Sep 12 14:16:06 dnetwww2 [<ffffffff810b42b8>] 0xffffffff810b42b8 Sep 12 14:16:06 dnetwww2 [<ffffffff8113c546>] 0xffffffff8113c546 Sep 12 14:16:06 dnetwww2 [<ffffffff8113df42>] ? 0xffffffff8113df42 Sep 12 14:16:06 dnetwww2 [<ffffffff8113cbae>] 0xffffffff8113cbae Sep 12 14:16:06 dnetwww2 [<ffffffff810f8154>] 0xffffffff810f8154 Sep 12 14:16:06 dnetwww2 [<ffffffff810f863a>] 0xffffffff810f863a Sep 12 14:16:06 dnetwww2 [<ffffffff81079351>] 0xffffffff81079351 Sep 12 14:16:06 dnetwww2 [<ffffffff8104f386>] ? 0xffffffff8104f386 Sep 12 14:16:06 dnetwww2 [<ffffffff810790dd>] ? 0xffffffff810790dd Sep 12 14:16:06 dnetwww2 [<ffffffff8104f061>] 0xffffffff8104f061 Sep 12 14:16:06 dnetwww2 [<ffffffff81011b8a>] 0xffffffff81011b8a Sep 12 14:16:06 dnetwww2 [<ffffffff8104efd2>] ? 0xffffffff8104efd2 Sep 12 14:16:06 dnetwww2 [<ffffffff81011b80>] ? 0xffffffff81011b80 Sep 12 14:16:06 dnetwww2 CacheFiles: I/O Error: Readpage failed on backing file 4000000000000830 Sep 12 14:16:06 dnetwww2 FS-Cache: Cache cachefiles stopped due to I/O error David, are you able to assist? The FS-cache is incredibly important to us, even happy to pay to cover your time if that is an issue. Thanks, Greg -----Original Message----- From: linux-cachefs-bounces@xxxxxxxxxx [mailto:linux-cachefs-bounces@xxxxxxxxxx] On Behalf Of Edward "Koko" Konetzko Sent: Saturday, 5 September 2009 1:55 AM Cc: 'Linux filesystem caching discussion list' Subject: Re: kslowd issue Greg wrote: > Hi Edward, > > I have seen a number of people posting about this same bug - myself > included, but we have yet to hear any info from David on how to proceed. > > Thanks, > > Greg > > Has anyone found a reproducible way of triggering the error? I can get it to happen every now and then with postmark but nothing reliable enough to be able to reproduce on demand. Thanks Edward -- Linux-cachefs mailing list Linux-cachefs@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/linux-cachefs -- Linux-cachefs mailing list Linux-cachefs@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/linux-cachefs
