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Date: Fri, 03 Sep 2010 15:52:14 +0200
From: BOBA FETT <boba23@gmail.com>
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Subject: Re: [dm-crypt] dm-crypt / Software Raid5 issues on Ubuntu Lucid
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To: dm-crypt@saout.de

  Hey Rick,

thx for the quick reply. Alright, I am gonna try a newer kernel next 
then. I am running the default up2date Lucid kernel right now which is 
2.6.32-24-server.

Take care

Thorsten

On 9/3/2010 15:36, Rick Moritz wrote:
> Had those self-same issues (well, crypted RAID-array io-locking on me during samba-operations on it), and moving to kernel 2.6.34 fixed it for me.
> Never figured out what was really causing those problems.
>
> On Fri, 03 Sep 2010 15:22:38 +0200 BOBA FETT<boba23@gmail.com>  wrote:
>
>>    Hey folks,
>>
>> 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
>>
>> 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
>> Aug 29 02:54:24 liberty24 kernel: [221558.020638] RIP:
>> 0010:[<ffffffff814353b8>]  [<ffffffff814353b8>] clone_endio+0x38/0xe0
>> Aug 29 02:54:24 liberty24 kernel: [221558.020638] RSP:
>> 0018:ffff880069531c40  EFLAGS: 00010246
>> Aug 29 02:54:24 liberty24 kernel: [221558.020638] RAX: ffffffffa023f760
>> RBX: 0000000000000000 RCX: 0100000000000081
>> Aug 29 02:54:24 liberty24 kernel: [221558.020638] RDX: 0000000000000017
>> RSI: 0000000000000000 RDI: ffffc9001247e040
>> Aug 29 02:54:24 liberty24 kernel: [221558.035928] RBP: ffff880069531c70
>> R08: 0000000000000000 R09: 010000000000282c
>> Aug 29 02:54:24 liberty24 kernel: [221558.035928] R10: 0000000000000000
>> R11: 0000000000000001 R12: ffff88000ca0ed80
>> Aug 29 02:54:24 liberty24 kernel: [221558.035928] R13: ffff88000df85ed0
>> R14: ffff8800695ca600 R15: ffbf8800116cb348
>> Aug 29 02:54:24 liberty24 kernel: [221558.035928] FS:
>> 00007fb75e7f4700(0000) GS:ffff880001c40000(0000) knlGS:0000000000000000
>> Aug 29 02:54:24 liberty24 kernel: [221558.035928] CS:  0010 DS: 0018 ES:
>> 0018 CR0: 000000008005003b
>> Aug 29 02:54:24 liberty24 kernel: [221558.035928] CR2: 00007f2d10190000
>> CR3: 0000000053ae8000 CR4: 00000000000006e0
>> Aug 29 02:54:24 liberty24 kernel: [221558.035928] DR0: 0000000000000000
>> DR1: 0000000000000000 DR2: 0000000000000000
>> Aug 29 02:54:24 liberty24 kernel: [221558.035928] DR3: 0000000000000000
>> DR6: 00000000ffff0ff0 DR7: 0000000000000400
>> Aug 29 02:54:24 liberty24 kernel: [221558.035928] Process md0_raid5
>> (pid: 400, threadinfo ffff880069530000, task ffff88006a08dbc0)
>> Aug 29 02:54:24 liberty24 kernel: [221558.035928]  ffff88001be85ed8
>> 0000000000000000 0000000000000000 ffff88000ca0ed80
>> Aug 29 02:54:24 liberty24 kernel: [221558.035928]<0>  ffff8800695ca600
>> ffff88001be85ed8 ffff880069531c80 ffffffff8117159d
>> Aug 29 02:54:24 liberty24 kernel: [221558.035928]<0>  ffff880069531cb0
>> ffffffffa023d8c9 ffff880069531ca0 ffff88004d8312b0
>> Aug 29 02:54:24 liberty24 kernel: [221558.035928]  [<ffffffff8117159d>]
>> bio_endio+0x1d/0x40
>> Aug 29 02:54:24 liberty24 kernel: [221558.035928]  [<ffffffffa023d8c9>]
>> crypt_dec_pending+0x69/0x90 [dm_crypt]
>> Aug 29 02:54:24 liberty24 kernel: [221558.035928]  [<ffffffffa023daa8>]
>> crypt_endio+0x68/0x150 [dm_crypt]
>> Aug 29 02:54:24 liberty24 kernel: [221558.035928]  [<ffffffff8117159d>]
>> bio_endio+0x1d/0x40
>> Aug 29 02:54:24 liberty24 kernel: [221558.035928]  [<ffffffffa0200add>]
>> handle_stripe5+0x46d/0x9a0 [raid456]
>> Aug 29 02:54:24 liberty24 kernel: [221558.035928]  [<ffffffffa0201028>]
>> handle_stripe+0x18/0x30 [raid456]
>> Aug 29 02:54:24 liberty24 kernel: [221558.035928]  [<ffffffffa0201432>]
>> raid5d+0x202/0x320 [raid456]
>> Aug 29 02:54:24 liberty24 kernel: [221558.035928]  [<ffffffff814298dc>]
>> md_thread+0x5c/0x130
>> Aug 29 02:54:24 liberty24 kernel: [221558.035928]  [<ffffffff81085090>]
>> ? autoremove_wake_function+0x0/0x40
>> Aug 29 02:54:24 liberty24 kernel: [221558.035928]  [<ffffffff81429880>]
>> ? md_thread+0x0/0x130
>> Aug 29 02:54:24 liberty24 kernel: [221558.035928]  [<ffffffff81084d16>]
>> kthread+0x96/0xa0
>> Aug 29 02:54:24 liberty24 kernel: [221558.035928]  [<ffffffff810141ea>]
>> child_rip+0xa/0x20
>> Aug 29 02:54:24 liberty24 kernel: [221558.035928]  [<ffffffff81084c80>]
>> ? kthread+0x0/0xa0
>> Aug 29 02:54:24 liberty24 kernel: [221558.035928]  [<ffffffff810141e0>]
>> ? child_rip+0x0/0x20
>> Aug 29 02:54:24 liberty24 kernel: [221558.035928]  RSP<ffff880069531c40>
>> Aug 29 02:54:24 liberty24 kernel: [221558.133125] ---[ end trace
>> 29f7fd9a7bbb5a00 ]---
>>
>> Using the array uncrypted, data copy to it works just fine, copied over
>> the full 900 GB now 6 times without a hickup.
>>
>> Can anybody help me with this?
>>
>> thanks
>>
>> Thorsten
>
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