Re: Fw: release_unix_file (fs/reiser4/plugin/file/file.c:2365) BUG: unable to handle kernel paging request

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Hello.

The Call Trace is not decoded, so hard to say.. Other warnings is just a side effect. Important: it can be caused by silent corruptions made on kernels older than 4.10 because of the problem (ENOMEM during balancing) fixed in the Reiser4-for-4.9.3
stuff.

So, I would suggest:
1) check/repair your partition with fsck;
2) try to reproduce it on the kernel 4.10
3) report about results.
If you find out how to make Call Trace be decoded, it will be a big plus.

Thanks,
Edward.

On 05/19/2017 03:27 PM, dimas wrote:
Hello, Edward!
i sent this mail to the list, but it seems to get lost on its way (or still
processing so long?), so i'm FW'ing to you
take a look, please


=================
Forwarded message
Date: 2017-05-19 11:06
From: dimas <dimas000@xxxxx>
To: reiserfs-devel <reiserfs-devel@xxxxxxxxxxxxxxx>
CC:
Subject: release_unix_file (fs/reiser4/plugin/file/file.c:2365) BUG: unable to
handle kernel paging request

Hello!
while trying to update kernel on my file-server, i've experienced some strange
bug, starting from somewhere between Linux 3.12 and 3.18 (3.12.7 is not
affected by this, 3.18.x is, 4.8 and recent 4.10.x are also affected).
when nmbd (Samba nameserver daemon) tries to start, i get the following:

     387 May 16 19:08:10 srv kernel: [  206.041388] BUG: unable to handle
kernel 387 paging request at 000b4db6
     388 May 16 19:08:10 srv kernel: [  206.041493] IP: [<b10f006f>] 0xb10f006f
     389 May 16 19:08:10 srv kernel: [  206.041558] *pde = 00000000
     390 May 16 19:08:10 srv kernel: [  206.041619] Oops: 0000 [#1]
[...]
     420 May 16 19:08:10 srv kernel: [  206.052558] reiser4[nmbd(1681)]:
release_    420 unix_file (fs/reiser4/plugin/file/file.c:2365)[vs-44]: 421
May 16 19:08:10 srv kernel: [  206.052558] WARNING: out of memory? 422 May 16
19:08:10 srv kernel: [  206.053035] reiser4[nmbd(1681)]: release_    422
unix_file (fs/reiser4/plugin/file/file.c:2365)[vs-44]: 423 May 16 19:08:10
srv kernel: [  206.053035] WARNING: out of memory? 424 May 16 19:08:10 srv
kernel: [  206.053135] reiser4[nmbd(1681)]: release_    424 unix_file
(fs/reiser4/plugin/file/file.c:2365)[vs-44]: 425 May 16 19:08:10 srv kernel:
[  206.053135] WARNING: out of memory? 426 May 16 19:08:10 srv kernel:
[  206.053268] reiser4[nmbd(1681)]: release_    426 unix_file
(fs/reiser4/plugin/file/file.c:2365)[vs-44]:

and so on, see complete log attached, from line 387 and forth.
at system boot nmbd starts successfully, but then i after a while (couple of
days, maybe) i can find it not running. then it can restart one or two times
without triggering any bugs, but afterwards the above bug occurs and nmbd
fails to run.
i've tried vanilla kernels with nothing but reiser4 applied to ensure that
it's not brought by other patches, but everything goes the same way.
ah, my / is reiser4))
wtf is that? please let me know if any additional info is required

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