Re: Reiser4 for 3.16.2 problem: mount: mount /dev/md125 on /mnt/backup failed: Cannot allocate memory

[Edward Shishkin <edward.shishkin@gmail.com>]

On 12/01/2014 12:04 AM, Dušan Čolić wrote:
> On Fri, Nov 14, 2014 at 9:09 PM, Dušan Čolić <dusanc@gmail.com> wrote:
>> As I had no time to make a full backup I went back to 3.10 kernel and had no
>> problem since.
>>
>> Could this issue be connected with those firefox cache files that were bad
>> (see other mail thread) so I deleted them but for some reason they continued
>> making problems or problem wasn't really solved by deletion? I ask this as
>> after long time of stable r4 I got 2 problems in same week so they're
>> probably related.
>>
>> On Nov 14, 2014 8:58 PM, "Edward Shishkin" <edward.shishkin@gmail.com>
>> wrote:
>>> On 11/05/2014 12:04 PM, Dušan Čolić wrote:
>>>
>>>
>>> On Nov 5, 2014 12:48 AM, "Edward Shishkin" <edward.shishkin@gmail.com>
>>> wrote:
>>>> On 11/04/2014 02:16 PM, Dušan Čolić wrote:
>>>>> Did a fsck of source partition.
>>>>> Btw. why is there a reason this corruption appeared when I started
>>>>> using 3.16.2 instead 3.10?
>>>>>
>>>>
>>>> I would also suspect this failed mount.
>>>> It could have fatal consequences for the system, and, in particular for
>>>> your ''/".
>>>>
>>> Failed mount happened on the partition that I was copying to,/mnt/backup,
>>> and it fscked ok.
>>> / was partition I was copying from and it had errors.
>>>
>>>
>>>
>>> Hi Dušan,
>>>
>>> So, how is your / ?
> So I was feeling brave so I put 3.16.2 back 4 days ago and I got this:
>
> Nov 30 03:30:36 krshina3 kernel: [293446.436017] ------------[ cut
> here ]------------
> Nov 30 03:30:36 krshina3 kernel: [293446.436320] kernel BUG at
> fs/reiser4/plugin/item/ctail.c:669!
> Nov 30 03:30:36 krshina3 kernel: [293446.436652] invalid opcode: 0000 [#1] SMP
> Nov 30 03:30:36 krshina3 kernel: [293446.436899] CPU: 3 PID: 30235
> Comm: rsync Not tainted 3.16.5-gentoo #2
> Nov 30 03:30:36 krshina3 kernel: [293446.437275] Hardware name:
> Gigabyte Technology Co., Ltd. To be filled by O.E.M./B75-D3V, BIOS F5
> 07/04/2012
> Nov 30 03:30:36 krshina3 kernel: [293446.437834] task:
> ffff8801333d4010 ti: ffff880118218000 task.ti: ffff880118218000
> Nov 30 03:30:36 krshina3 kernel: [293446.438264] RIP:
> 0010:[<ffffffff8115aaf4>]  [<ffffffff8115aaf4>]
> do_readpage_ctail+0x2c5/0x3c4
> Nov 30 03:30:36 krshina3 kernel: [293446.438768] RSP:
> 0018:ffff88011821baa8  EFLAGS: 00010246
> Nov 30 03:30:36 krshina3 kernel: [293446.439073] RAX: 0000000000000000
> RBX: ffff88011821bb78 RCX: 000000000002f35d
> Nov 30 03:30:36 krshina3 kernel: [293446.439484] RDX: 000000000000002f
> RSI: 0000000000000000 RDI: ffff8800b953b000
> Nov 30 03:30:36 krshina3 kernel: [293446.439894] RBP: ffff880169d231a0
> R08: 0000000000000000 R09: 0000000000000000
> Nov 30 03:30:36 krshina3 kernel: [293446.440304] R10: ffffffff8114eb84
> R11: 0000000000012368 R12: 0000000000000002
> Nov 30 03:30:36 krshina3 kernel: [293446.440713] R13: 0000000000001000
> R14: ffffea00052f5158 R15: 0000000000000000
> Nov 30 03:30:36 krshina3 kernel: [293446.441124] FS:
> 00007f3d4d434700(0000) GS:ffff88022e380000(0000)
> knlGS:0000000000000000
> Nov 30 03:30:36 krshina3 kernel: [293446.441589] CS:  0010 DS: 0000
> ES: 0000 CR0: 0000000080050033
> Nov 30 03:30:36 krshina3 kernel: [293446.441918] CR2: 0000000000980000
> CR3: 00000001a0c03000 CR4: 00000000001427e0
> Nov 30 03:30:36 krshina3 kernel: [293446.442327] Stack:
> Nov 30 03:30:36 krshina3 kernel: [293446.442443]  0000000000000000
> ffff88011821bb78 0000000000000000 ffff880169d231a0
> Nov 30 03:30:36 krshina3 kernel: [293446.442890]  0000000000000000
> ffffea00052f5158 0000000000000000 ffffffff8115ad7b
> Nov 30 03:30:36 krshina3 kernel: [293446.443336]  00000000000aa1a1
> ffff88011821bca0 ffffea00052f5158 ffff880169d232e0
> Nov 30 03:30:36 krshina3 kernel: [293446.443784] Call Trace:
> Nov 30 03:30:36 krshina3 kernel: [293446.443926]  [<ffffffff8115ad7b>]
> ? ctail_readpages_filler+0x188/0x1c9
> Nov 30 03:30:36 krshina3 kernel: [293446.444302]  [<ffffffff8115abf3>]
> ? do_readpage_ctail+0x3c4/0x3c4
> Nov 30 03:30:36 krshina3 kernel: [293446.444655]  [<ffffffff810b5528>]
> ? read_cache_pages+0x91/0xfc
> Nov 30 03:30:36 krshina3 kernel: [293446.444990]  [<ffffffff8115b17c>]
> ? readpages_ctail+0x2c8/0x2e5
> Nov 30 03:30:36 krshina3 kernel: [293446.445332]  [<ffffffff81151e72>]
> ? readpages_cryptcompress+0x39/0x5f
> Nov 30 03:30:36 krshina3 kernel: [293446.445704]  [<ffffffff810b56c9>]
> ? __do_page_cache_readahead+0x136/0x1d0
> Nov 30 03:30:36 krshina3 kernel: [293446.446094]  [<ffffffff810b5958>]
> ? ondemand_readahead+0x1f5/0x203
> Nov 30 03:30:36 krshina3 kernel: [293446.446450]  [<ffffffff810ae761>]
> ? generic_file_read_iter+0x191/0x539
> Nov 30 03:30:36 krshina3 kernel: [293446.446827]  [<ffffffff810e9256>]
> ? path_openat+0x24b/0x5ce
> Nov 30 03:30:36 krshina3 kernel: [293446.447147]  [<ffffffff810de1e6>]
> ? new_sync_read+0x6b/0x8f
> Nov 30 03:30:36 krshina3 kernel: [293446.447469]  [<ffffffff81151f07>]
> ? read_cryptcompress+0x6f/0x97
> Nov 30 03:30:36 krshina3 kernel: [293446.447815]  [<ffffffff8114d4c0>]
> ? reiser4_read_dispatch+0xc7/0x11e
> Nov 30 03:30:36 krshina3 kernel: [293446.448181]  [<ffffffff810dedc9>]
> ? vfs_read+0x84/0x13e
> Nov 30 03:30:36 krshina3 kernel: [293446.448483]  [<ffffffff810df25c>]
> ? SyS_read+0x41/0x84
> Nov 30 03:30:36 krshina3 kernel: [293446.448780]  [<ffffffff815346d2>]
> ? system_call_fastpath+0x16/0x1b
> Nov 30 03:30:36 krshina3 kernel: [293446.449135] Code: 01 00 00 e9 00
> ff ff ff 8b 43 58 41 0f b7 4d 04 48 8d 04 48 48 89 54 c3 28 e9 ea fe
> ff ff 44 8b a3 88 00 00 00 41 83 fc 02 75 02 <0f> 0b 0f 87 87 00 00 00
> 41 83 fc 01 0f 85 de 00 00 00 49 8b 56
> Nov 30 03:30:36 krshina3 kernel: [293446.450567] RIP
> [<ffffffff8115aaf4>] do_readpage_ctail+0x2c5/0x3c4
> Nov 30 03:30:36 krshina3 kernel: [293446.450934]  RSP <ffff88011821baa8>
> Nov 30 03:30:36 krshina3 kernel: [293446.562843] ---[ end trace
> 45473ce04b35219f ]---
>
> Looks like same error like last time I used 3.16. Kernel 3.10 lasted
> with 20 days uptime without problems this month and 3.16 had this oops
> after 3 days.


Unfortunately, there is no any ideas...
I can port reiser4-for-3.10 stuff to 3.16. Will you test this port?

Thanks,
Edward.
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