From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-fx0-f50.google.com (mail-fx0-f50.google.com [209.85.161.50]) by mail.saout.de (Postfix) with ESMTP for ; Sat, 4 Sep 2010 13:15:06 +0200 (CEST) Received: by fxm20 with SMTP id 20so2233841fxm.37 for ; Sat, 04 Sep 2010 04:15:06 -0700 (PDT) Sender: Thorsten Peter Message-ID: <4C822A32.8080308@gmail.com> Date: Sat, 04 Sep 2010 13:14:58 +0200 From: Thorsten Peter MIME-Version: 1.0 References: <4C80F647.9080500@gmail.com> <4C80FEE7.3030508@redhat.com> <20100903181429.GA11768@tansi.org> In-Reply-To: <20100903181429.GA11768@tansi.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: [dm-crypt] dm-crypt / Software Raid5 issues on Ubuntu Lucid 64bit Reply-To: boba23@gmail.com List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: dm-crypt@saout.de 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 >