Date: Thu, 15 Feb 2007 09:06:48 -0700 From: Scott Long <scottl@samsco.org> To: Harald Schmalzbauer <harry@omnisec.de> Cc: Jan Mikkelsen <janm@transactionware.com>, freebsd-stable@freebsd.org Subject: Re: 6.2-st panic w/ ggate [Was: Re: kernel panic on 6.2-RC2 with GENERIC.] Message-ID: <45D48518.6040108@samsco.org> In-Reply-To: <20070215044855.388f7e2e@tek.flintsbach.schmalzbauer.de> References: <001a01c732b0$c22f4860$0204a8c0@transactionware.com> <45A1C15F.8060802@samsco.org> <20070215044855.388f7e2e@tek.flintsbach.schmalzbauer.de>
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Harald Schmalzbauer wrote: > Am Sun, 07 Jan 2007 19:58:23 -0800 > schrieb Scott Long <scottl@samsco.org>: > > [...] >>>> machine is opteron hardware, but running a regular i386/SMP >>>> kernel/world. With everything at 6.2RC2 (as of 29th of December) >>>> except the areca driver the machine is rock solid, with the 29th >>>> of december version of the areca driver the box will crash on >>>> extract of a large tar file, removal >>>> of a large directory structure, or pretty much anything that >>>> does a lot >>>> of disk io to different files/locations. There is no error >>>> log prior to >>>> seeing the following messages.. >>>> >>>> Dec 29 14:26:44 aleph kernel: >>>> g_vfs_done():da0s1g[WRITE(offset=433078272, length=8192)]error = 5 >>>> Dec 29 14:26:44 aleph kernel: >>>> g_vfs_done():da0s1g[WRITE(offset=433111040, length=16384)]error = 5 >>>> Dec 29 14:26:44 aleph kernel: >>>> g_vfs_done():da0s1g[WRITE(offset=433209344, length=16384)]error = 5 >>>> Dec 29 14:26:44 aleph kernel: >>>> g_vfs_done():da0s1g[WRITE(offset=433242112, length=32768)]error = 5 >>>> Dec 29 14:26:44 aleph kernel: >>>> g_vfs_done():da0s1g[WRITE(offset=437612544, length=4096)]error = 5 >>>> Dec 29 14:26:44 aleph kernel: >>>> g_vfs_done():da0s1g[WRITE(offset=437616640, length=12288)]error = 5 >>>> Dec 29 14:26:44 aleph kernel: >>>> g_vfs_done():da0s1g[WRITE(offset=437633024, length=6144)]error = 5 >>>> Dec 29 14:26:44 aleph kernel: >>>> g_vfs_done():da0s1g[WRITE(offset=437639168, length=2048)]error = 5 >>>> Dec 29 14:26:44 aleph kernel: >>>> g_vfs_done():da0s1g[WRITE(offset=437641216, length=6144)]error = 5 >>>> >>>> There are a string of these, followed by a crash and reboot. >>>> The file system > [...] >>> Areca 1.20.00.13 (as currently in the tree) does not seem to have >>> data corruption problems, but I can trigger g_vfs_done failures >>> under heavy I/O. >>> >>> I have raised this with Areca support, and I'm waiting to hear back >>> from Erich Chen. >>> >>> Regards, >>> >>> Jan Mikkelsen >>> >> I discussed this issue in length with the release engineering team >> today, and we're going to go ahead with keeping the .013 version in >> 6.2 since it has been working very reliably for a number of other >> testers, and reverting it at this late stage of the release represents > > Mybe it's unrelated to the areca driver, I can reproduce a similar > panic with ggate: > > gune:/etc#46: ggatec create -u 1 -t 30 192.168.0.2 /dev/ad2p6 > gune:/etc#47: mount /dev/gg > ggate1% ggctl% > gune:/etc#47: mount /dev/ggate1 /mnt > gune:/etc#48: cd /mnt/ > gune:/mnt#49: l > .snap > gune:/mnt#50: dd if=/dev/null of=testfile bs=4k > 0+0 records in > 0+0 records out > 0 bytes transferred in 0.000090 secs (0 bytes/sec) > gune:/mnt#51: dd if=/dev/zero of=testfile bs=4k > g_vfs_done():ggate1[WRITE(offset=6815744, length=131072)]error = 5 > g_vfs_done():ggate1[WRITE(offset=6946816, length=131072)]error = 5 > g_vfs_done():ggate1[WRITE(offset=7077888, length=131072)]error = 5 > g_vfs_done():ggate1[WRITE(offset=7208960, length=131072)]error = 5 > g_vfs_done():ggate1[WRITE(offset=7340032, length=131072)]error = 5 > g_vfs_done():ggate1[WRITE(offset=98304, length=16384)]error = 5 > panic: softdep_move_dependencies: need merge code > Uptime: 6h59m0s > Cannot dump. No dump device defined. > Automatic reboot in 15 seconds - press a key on the console to abort > > Unfortunately I have only this production machine... > > Thanks, > > -Harry I don't see how they could be related. I've committed a fix for the Areca problem. Scott
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