From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from tansi.org (ns.km10532-04.keymachine.de [87.118.102.195]) by mail.saout.de (Postfix) with ESMTP for ; Sun, 5 Sep 2010 14:56:09 +0200 (CEST) Received: from gatewagner.dyndns.org (84-74-164-239.dclient.hispeed.ch [84.74.164.239]) by tansi.org (Postfix) with ESMTPA id 7A4B8212804A for ; Sun, 5 Sep 2010 14:56:08 +0200 (CEST) Date: Sun, 5 Sep 2010 14:56:07 +0200 From: Arno Wagner Message-ID: <20100905125607.GA12990@tansi.org> References: <4C80F647.9080500@gmail.com> <4C80FEE7.3030508@redhat.com> <20100903181429.GA11768@tansi.org> <4C822A32.8080308@gmail.com> <4C838E6E.9010303@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4C838E6E.9010303@gmail.com> Subject: Re: [dm-crypt] dm-crypt / Software Raid5 issues on Ubuntu Lucid 64bit List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: dm-crypt@saout.de Thanks for the info. Arno On Sun, Sep 05, 2010 at 02:34:54PM +0200, BOBA FETT wrote: > Alright guys, I think I identified my issue. Just wanted to let you > know .... > > A bad memory module :-( > > Didn't recognize this until I ran Memtest86 yesterday after running out > of ideas. Right now I am running 1x1GB DDR2-800 and am still testing to > write to the array without lockups or other errors so far. > > Thanks anyway for your help > > Thorsten > > On 9/4/2010 13:14, Thorsten Peter wrote: >> Alright, >> >> here's what I did now: >> >> - upgraded Kernel from kernel ppa to 2.6.35-19-server #25~lucid1-Ubuntu >> - recreated my encrypted device using the LUKS Encryption howto >> >> On the first try, copying back my data to the encrypted array the >> machine froze totally on me at some point of time. >> Second try, I get the same kinda lockup as before with the following >> trace in log: >> >> [36531.299878] Pid: 375, comm: md0_raid5 Not tainted 2.6.35-19-server >> #25~lucid1-Ubuntu RS780-SB700/Unknow >> [36531.299961] RIP: 0010:[] [] >> clone_endio+0x38/0xe0 >> [36531.300041] RSP: 0018:ffff880069587c40 EFLAGS: 00010246 >> [36531.300090] RAX: ffffffffa023f800 RBX: 0000000000000000 RCX: >> ffff88006d415490 >> [36531.300153] RDX: 0000000000000000 RSI: 0000000000000000 RDI: >> ffffc9001247b040 >> [36531.300217] RBP: ffff880069587c70 R08: 0000000000000004 R09: >> 0000000000000000 >> [36531.300281] R10: ffff8800000180d8 R11: 0000000000000000 R12: >> ffff88004f7a5c00 >> [36531.300345] R13: ffff88000df85ed0 R14: ffff88006d2ca600 R15: >> ffbf88001dc318c0 >> [36531.300409] FS: 00007f00109f7700(0000) GS:ffff880001e40000(0000) >> knlGS:0000000000000000 >> [36531.300481] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b >> [36531.300533] CR2: 00000000008fb308 CR3: 0000000068063000 CR4: >> 00000000000006e0 >> [36531.300597] DR0: 0000000000000000 DR1: 0000000000000000 DR2: >> 0000000000000000 >> [36531.300661] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: >> 0000000000000400 >> [36531.300725] Process md0_raid5 (pid: 375, threadinfo >> ffff880069586000, task ffff88006a3644a0) >> [36531.300799] Stack: >> [36531.300818] ffff880050b4bab0 0000000000000000 0000000000000000 >> ffff88004f7a5c00 >> [36531.300891] <0> ffff88006d2ca600 ffff880050b4bab0 ffff880069587c80 >> ffffffff8117f4fd >> [36531.300970] <0> ffff880069587cb0 ffffffffa023d959 ffff880069587ca0 >> ffff880015832670 >> [36531.301050] Call Trace: >> [36531.301079] [] bio_endio+0x1d/0x40 >> [36531.301129] [] crypt_dec_pending+0x69/0x90 >> [dm_crypt] >> [36531.301192] [] crypt_endio+0x68/0x150 [dm_crypt] >> [36531.301250] [] bio_endio+0x1d/0x40 >> [36531.301300] [] handle_stripe5+0x4cd/0xa00 [raid456] >> [36531.301362] [] handle_stripe+0x18/0x30 [raid456] >> [36531.301421] [] raid5d+0x212/0x330 [raid456] >> [36531.301477] [] ? default_spin_lock_flags+0x9/0x10 >> [36531.301538] [] md_thread+0x5c/0x130 >> [36531.301586] [] ? autoremove_wake_function+0x0/0x40 >> [36531.301646] [] ? md_thread+0x0/0x130 >> [36531.301694] [] kthread+0x96/0xa0 >> [36531.301740] [] kernel_thread_helper+0x4/0x10 >> [36531.301795] [] ? kthread+0x0/0xa0 >> [36531.301841] [] ? kernel_thread_helper+0x0/0x10 >> [36531.301895] Code: 89 65 e0 4c 89 6d e8 4c 89 75 f0 4c 89 7d f8 0f >> 1f 44 00 00 4c 8b 6f 58 49 89 fc 85 f6 89 f3 49 8b 7d 08 4d 8b 7d 00 >> 48 8b 47 08 <4d> 8b 37 48 8b 40 48 75 0e 41 f6 44 24 18 01 ba fb ff ff >> ff 0f >> [36531.302215] RIP [] clone_endio+0x38/0xe0 >> [36531.302269] RSP >> [36531.316119] ---[ end trace 2508e8b8766e359a ]--- >> >> I am really running out of options here, what else could be wrong? >> >> Thorsten >> >> On 9/3/2010 20:14, Arno Wagner wrote: >>> I would recomend one read-thrugh of the FAQ. Just posted it today >>> and it is also in the web here: >>> http://code.google.com/p/cryptsetup/wiki/FrequentlyAskedQuestions >>> >>> The most important thing to know is that if you trash the LUKS >>> header, you are screwed ;-) >>> >>> Arno >>> >>> On Fri, Sep 03, 2010 at 04:12:25PM +0200, Thorsten Peter wrote: >>>> Sorry man, sent one of my msgs using a false E-Mail address, please >>>> reply to >>>> my other address if possible: boba23@gmail.com. That's the one that is >>>> registered in the list. >>>> >>>> thx >>>> >>>> Thorsten >>>> >>>> On Fri, Sep 3, 2010 at 4:10 PM, Thorsten Peter< >>>> thorsten.peter@googlemail.com> wrote: >>>> >>>>> Hey Milan, >>>>> >>>>> could you give me a pointer on how to setup the encryption using >>>>> LUKS? I am >>>>> totally new to dm-crypt. Just used the first method that I found >>>>> in the >>>>> howto .... >>>>> Right now I am following Ricks advice and upgrading to 2.6.35 >>>>> from a ppa >>>>> repo. >>>>> >>>>> Thanks, >>>>> >>>>> Thorsten >>>>> >>>>> >>>>> On Fri, Sep 3, 2010 at 3:57 PM, Milan Broz wrote: >>>>> >>>>>> On 09/03/2010 03:21 PM, Thorsten Peter wrote: >>>>>> >>>>>>> I am switching from loop-aes to dm_crypt. I am trying to use it on a >>>>>>> fresh Ubuntu 64bit server installation with my 6x750gb >>>>>>> Software raid5 >>>>>> array. >>>>>>> Array is clean and freshly created, I encrypted it using >>>>>>> >>>>>>> cryptsetup -y -c aes -h ripemd160 -s 256 create STUFF /dev/md0 >>>>>> Please use LUKS instead here to get persistent header. >>>>>> >>>>>>> Format went fine, but when I try to copy back large amount of >>>>>>> data to >>>>>>> the encrypted array (about 900gig) my copy thread always >>>>>>> hangs itself at >>>>>>> some point during the process. I can't access the array >>>>>>> anymore, though >>>>>>> the raid itself is fine, no drives are kicked out or anything. >>>>>>> Reboot gives me back access and the array is still ok. >>>>>>> When the problem occures I see the following trace in log: >>>>>>> >>>>>>> Aug 29 02:54:24 liberty24 kernel: [221558.020638] Pid: 400, comm: >>>>>>> md0_raid5 Not tainted 2.6.32-24-server #41-Ubuntu Unknow >>>>>> If it is reproducible with upstream kernel, please send me OOPs, >>>>>> if not, please use Ubuntu bugzilla - I saw strange reports which were >>>>>> never >>>>>> reproducible on upstream. >>>>>> >>>>>> (The bug seems like something we fixed long time ago.) >>>>>> >>>>>> Milan >>>>>> >>>>>> >>>>> >>>>> -- >>>>> -------------------------------- >>>>> Dipl.-Inf. (FH) Thorsten Peter >>>>> >>>>> E-Mail: Thorsten.Peter@gmail.com >>>>> Mobile: 01795322057 >>>>> -------------------------------- >>>>> >>>> >>>> >>>> -- >>>> -------------------------------- >>>> Dipl.-Inf. (FH) Thorsten Peter >>>> >>>> E-Mail: Thorsten.Peter@gmail.com >>>> Mobile: 01795322057 >>>> -------------------------------- >>>> _______________________________________________ >>>> dm-crypt mailing list >>>> dm-crypt@saout.de >>>> http://www.saout.de/mailman/listinfo/dm-crypt >>> > _______________________________________________ > dm-crypt mailing list > dm-crypt@saout.de > http://www.saout.de/mailman/listinfo/dm-crypt > -- Arno Wagner, Dr. sc. techn., Dipl. Inform., CISSP -- Email: arno@wagner.name GnuPG: ID: 1E25338F FP: 0C30 5782 9D93 F785 E79C 0296 797F 6B50 1E25 338F ---- Cuddly UI's are the manifestation of wishful thinking. -- Dylan Evans If it's in the news, don't worry about it. The very definition of "news" is "something that hardly ever happens." -- Bruce Schneier