* Re: kernel BUG at fs/inode.c
@ 2007-11-22 18:20 paulo
2007-11-26 15:45 ` Jan Kara
0 siblings, 1 reply; 4+ messages in thread
From: paulo @ 2007-11-22 18:20 UTC (permalink / raw)
To: jack; +Cc: linux-kernel
Hi,
> Thanks for report. It looks like a problem in UDF. Actually I think
> I've already seen a similar report. Are there any IO errors in the logs
> or anything else suspitious?
At the risk of reporting further bugs :-) here it goes:
=======================================================================
1)
Something I've recently reported to the e-mail address listed
on the mkudffs manpage:
...a small problem with mkudffs, as obtained from
udftools-1.0.0b3-7.fc6.
The problem is as follows: if I take a new DVD-RAM, create (say)
an ext3 filesystem, and some time later I run mkudffs over it,
then when I try to mount it the disk still seems to remember
about having had a previous filesystem.
What I mean is that mount may succeed if one specifies the newer
filesystem, at least if no files have been copied yet, and also
succeed with the older filesystem.
Here is an example, for the same disk(!) without any formatting
nor copying in between (note also the dates)
# mount /dev/scd0 /mnt/dvd -t udf
# ll /mnt/dvd/
total 4
drwxr-xr-x 3 root root 92 2007-11-21 18:34 ./
drwxr-xr-x 13 root root 4096 2007-09-03 17:27 ../
drwxr-xr-x 2 root root 40 2007-11-21 18:34 lost+found/
# umount /mnt/dvd
# mount /dev/scd0 /mnt/dvd -t ext3
# ll /mnt/dvd/
total 24
drwxr-xr-x 3 root root 4096 2007-11-21 19:29 ./
drwxr-xr-x 13 root root 4096 2007-09-03 17:27 ../
drwx------ 2 root root 16384 2007-11-21 19:29 lost+found/
Eventually I found that I could erase the (or at least part of the)
information that remained from ext3 by using fdisk to set a filesystem
of type "0" ("empty") and then running mkudffs over.
That is not very practical of course, and I am also not completely
sure that no other outdated info remains on the disk.
=======================================================================
2)
With 2.6.24-rc1-git10 (did not see it with other kernels yet)
# find /proc -name cdrom
/proc/sys/dev/cdrom
find: WARNING: Hard link count is wrong for /proc/net: this may be
a bug in your filesystem driver. Automatically turning on find's
-noleaf option. Earlier results may have failed to include
directories that should have been searched.
=======================================================================
3)
While I am at it, here's a suggestion. One of my DVD-RAM disks
had apparently some (likely minor) problems, because I've just
found the following notice in /var/log/messages :
... kernel: EXT3-fs warning: mounting fs with errors, running
e2fsck is recommended
This message appears 11 times in that file. I've never seen it
displayed on an xterm, although I always mount the disks "by hand",
on the command line!
The request/suggestion is (obviously) please send that message to
syserror too!!
=======================================================================
Which other logs should I look at?
Best regards
Paulo
^ permalink raw reply [flat|nested] 4+ messages in thread* Re: kernel BUG at fs/inode.c
2007-11-22 18:20 kernel BUG at fs/inode.c paulo
@ 2007-11-26 15:45 ` Jan Kara
0 siblings, 0 replies; 4+ messages in thread
From: Jan Kara @ 2007-11-26 15:45 UTC (permalink / raw)
To: paulo.nogueira; +Cc: linux-kernel
On Thu 22-11-07 18:20:15, paulo@cfif3.ist.utl.pt wrote:
> Hi,
>
> > Thanks for report. It looks like a problem in UDF. Actually I think
> > I've already seen a similar report. Are there any IO errors in the logs
> > or anything else suspitious?
>
>
> At the risk of reporting further bugs :-) here it goes:
>
> =======================================================================
>
> 1)
>
> Something I've recently reported to the e-mail address listed
> on the mkudffs manpage:
>
> ...a small problem with mkudffs, as obtained from
> udftools-1.0.0b3-7.fc6.
>
> The problem is as follows: if I take a new DVD-RAM, create (say)
> an ext3 filesystem, and some time later I run mkudffs over it,
> then when I try to mount it the disk still seems to remember
> about having had a previous filesystem.
> What I mean is that mount may succeed if one specifies the newer
> filesystem, at least if no files have been copied yet, and also
> succeed with the older filesystem.
>
> Here is an example, for the same disk(!) without any formatting
> nor copying in between (note also the dates)
>
> # mount /dev/scd0 /mnt/dvd -t udf
> # ll /mnt/dvd/
> total 4
> drwxr-xr-x 3 root root 92 2007-11-21 18:34 ./
> drwxr-xr-x 13 root root 4096 2007-09-03 17:27 ../
> drwxr-xr-x 2 root root 40 2007-11-21 18:34 lost+found/
>
> # umount /mnt/dvd
> # mount /dev/scd0 /mnt/dvd -t ext3
> # ll /mnt/dvd/
> total 24
> drwxr-xr-x 3 root root 4096 2007-11-21 19:29 ./
> drwxr-xr-x 13 root root 4096 2007-09-03 17:27 ../
> drwx------ 2 root root 16384 2007-11-21 19:29 lost+found/
>
>
> Eventually I found that I could erase the (or at least part of the)
> information that remained from ext3 by using fdisk to set a filesystem
> of type "0" ("empty") and then running mkudffs over.
>
> That is not very practical of course, and I am also not completely
> sure that no other outdated info remains on the disk.
Well, this is a problem of mkudffs. As you write, it should erase few
blocks in the beginning of the filesystem so that it's not detected as some
other filesystem. If you actually mount it as the older filesystem, nasty
things can happen to the new one.
If you got no answer so far, try reporting the problem here:
http://sourceforge.net/projects/linux-udf/
> =======================================================================
>
> 2)
>
> With 2.6.24-rc1-git10 (did not see it with other kernels yet)
>
> # find /proc -name cdrom
> /proc/sys/dev/cdrom
> find: WARNING: Hard link count is wrong for /proc/net: this may be
> a bug in your filesystem driver. Automatically turning on find's
> -noleaf option. Earlier results may have failed to include
> directories that should have been searched.
Definitely unconnected to your UDF problems :) /proc is a bit special
filesystem and find(1) is sometimes confused by that fact. Using -noleaf
for it is always a good idea.
> =======================================================================
>
> 3)
>
> While I am at it, here's a suggestion. One of my DVD-RAM disks
> had apparently some (likely minor) problems, because I've just
> found the following notice in /var/log/messages :
>
> ... kernel: EXT3-fs warning: mounting fs with errors, running
> e2fsck is recommended
>
> This message appears 11 times in that file. I've never seen it
> displayed on an xterm, although I always mount the disks "by hand",
> on the command line!
>
> The request/suggestion is (obviously) please send that message to
> syserror too!!
And this depends on the configuration of your syslogd. Message is written
to console (probably tty10 or so on your system) and sent to syslog which
handles it further. So if it should be written somewhere else, syslog
should do it...
> Which other logs should I look at?
If there was some problem, it would be written to /var/log/messages. It
seems you haven't found anything there... Umm, can you reproduce the
problem if you try to do the same?
Honza
--
Jan Kara <jack@suse.cz>
SUSE Labs, CR
^ permalink raw reply [flat|nested] 4+ messages in thread
* kernel BUG at fs/inode.c
@ 2007-11-21 18:25 paulo
2007-11-22 13:49 ` Jan Kara
0 siblings, 1 reply; 4+ messages in thread
From: paulo @ 2007-11-21 18:25 UTC (permalink / raw)
To: linux-kernel
hi,
This is to report a kernel bug that appeared while using the
non-standard kernel 2.6.24-rc1-git10, which I was using for
the purpose of helping to debug a different problem.
I am not sure if the problem is easily reproducible... if
needed I'll try with the latest fc7 kernel.
The dump listed below was extracted from /var/log/messages
and was generated after copying > 1GB of data to a DVD-RAM,
udf format. When it seemed to have stopped (after 2 hours!)
I issued the eject command. It then seemed to write more
data to the disk (possibly part of the data had not been
really copied, and it was syncing) and a few minutes after
this notice came up.
best regards
Paulo Nogueira
PS please cc replies to me
Nov 20 23:30:23 *** kernel: kernel BUG at fs/inode.c:191!
Nov 20 23:30:23 *** kernel: invalid opcode: 0000 [1] SMP
Nov 20 23:30:23 *** kernel: CPU 1
Nov 20 23:30:23 *** kernel: Modules linked in: udf usb_storage autofs4 sunrpc cpufreq_ondemand reiserfs dm_mirror dm_mod video output sbs sbshc battery ac power_supply ipv6 snd_intel8x0 snd_ac97_codec ac97_bus snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device snd_pcm_oss snd_mixer_oss snd_pcm snd_timer snd sr_mod button forcedeth soundcore cdrom k8temp pcspkr snd_page_alloc pata_amd hwmon i2c_nforce2 i2c_core sg sata_nv ata_generic libata sd_mod scsi_mod ext3 jbd mbcache ehci_hcd ohci_hcd uhci_hcd
Nov 20 23:30:23 *** kernel: Pid: 11762, comm: umount Not tainted 2.6.24-rc1-git10 #0
Nov 20 23:30:23 *** kernel: RIP: 0010:[<ffffffff810a9886>] [<ffffffff810a9886>] destroy_inode+0xd/0x47
Nov 20 23:30:23 *** kernel: RSP: 0018:ffff81001ac47dd8 EFLAGS: 00010202
Nov 20 23:30:23 *** kernel: RAX: 0000000000000001 RBX: ffff81010ac0b548 RCX: ffff81010ac0b548
Nov 20 23:30:23 *** kernel: RDX: 0000000000000007 RSI: ffff81010ac0b750 RDI: ffff81010ac0b548
Nov 20 23:30:23 *** kernel: RBP: ffff81010ac0b548 R08: 8000000000000000 R09: ffffffff81405a18
Nov 20 23:30:23 *** kernel: R10: 0000000000000000 R11: ffff81001ac47d58 R12: 00000000000001ba
Nov 20 23:30:23 *** kernel: R13: ffff81001ac47e18 R14: ffff81001aba6068 R15: 0000000000000000
Nov 20 23:30:23 *** kernel: FS: 00002b38ac69f6c0(0000) GS:ffff810100001800(0000) knlGS:0000000000000000
Nov 20 23:30:23 *** kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
Nov 20 23:30:23 *** kernel: CR2: 00000000008cb370 CR3: 000000001ac6a000 CR4: 00000000000006e0
Nov 20 23:30:23 *** kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Nov 20 23:30:23 *** kernel: DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Nov 20 23:30:23 *** kernel: Process umount (pid: 11762, threadinfo ffff81001ac46000, task ffff81010492c000)
Nov 20 23:30:23 *** kernel: Stack: ffff81010ac0b558 ffffffff810a9e84 0000000000000018 ffff8101059af048
Nov 20 23:30:23 *** kernel: ffff81010610a8c0 0000000000004a57 ffff81010610a8c0 ffffffff810aa160
Nov 20 23:30:23 *** kernel: ffff81010ac0b7d8 ffff81001aba6058 0000000000000000 ffff81010610a800
Nov 20 23:30:23 *** kernel: Call Trace:
Nov 20 23:30:23 *** kernel: [<ffffffff810a9e84>] dispose_list+0xae/0xe0
Nov 20 23:30:23 *** kernel: [<ffffffff810aa160>] invalidate_inodes+0xc1/0xdf
Nov 20 23:30:23 *** kernel: [<ffffffff81099445>] generic_shutdown_super+0x39/0xd2
Nov 20 23:30:23 *** kernel: [<ffffffff810994eb>] kill_block_super+0xd/0x1e
Nov 20 23:30:23 *** kernel: [<ffffffff810995b6>] deactivate_super+0x6a/0x83
Nov 20 23:30:23 *** kernel: [<ffffffff810ac1cd>] sys_umount+0x23d/0x273
Nov 20 23:30:23 *** kernel: [<ffffffff8109abde>] sys_newstat+0x19/0x31
Nov 20 23:30:23 *** kernel: [<ffffffff81116a90>] __up_write+0x27/0xf3
Nov 20 23:30:23 *** kernel: [<ffffffff8100be8e>] system_call+0x7e/0x83
Nov 20 23:30:23 *** kernel:
Nov 20 23:30:23 *** kernel:
Nov 20 23:30:23 *** kernel: Code: 0f 0b eb fe 48 89 df e8 e7 39 04 00 48 8b 83 f8 00 00 00 48
Nov 20 23:30:23 *** kernel: RIP [<ffffffff810a9886>] destroy_inode+0xd/0x47
Nov 20 23:30:23 *** kernel: RSP <ffff81001ac47dd8>
Nov 20 23:30:23 *** kernel: WARNING: at kernel/exit.c:917 do_exit()
Nov 20 23:30:23 *** kernel:
Nov 20 23:30:23 *** kernel: Call Trace:
Nov 20 23:30:23 *** kernel: [<ffffffff8103c55a>] do_exit+0x4f/0x768
Nov 20 23:30:23 *** kernel: [<ffffffff8100d64d>] kernel_math_error+0x0/0x71
Nov 20 23:30:23 *** kernel: [<ffffffff8100da73>] do_invalid_op+0x85/0x8f
Nov 20 23:30:23 *** kernel: [<ffffffff810a9886>] destroy_inode+0xd/0x47
Nov 20 23:30:23 *** kernel: [<ffffffff8104bd77>] bit_waitqueue+0x10/0x9f
Nov 20 23:30:23 *** kernel: [<ffffffff8104be44>] wake_up_bit+0x11/0x22
Nov 20 23:30:23 *** kernel: [<ffffffff810b23cf>] __writeback_single_inode+0x2a5/0x2b7
Nov 20 23:30:23 *** kernel: [<ffffffff882cb85c>] :udf:udf_current_aext+0xe8/0x143
Nov 20 23:30:23 *** kernel: [<ffffffff81251039>] error_exit+0x0/0x51
Nov 20 23:30:23 *** kernel: [<ffffffff810a9886>] destroy_inode+0xd/0x47
Nov 20 23:30:23 *** kernel: [<ffffffff810a9882>] destroy_inode+0x9/0x47
Nov 20 23:30:23 *** kernel: [<ffffffff810a9e84>] dispose_list+0xae/0xe0
Nov 20 23:30:23 *** kernel: [<ffffffff810aa160>] invalidate_inodes+0xc1/0xdf
Nov 20 23:30:23 *** kernel: [<ffffffff81099445>] generic_shutdown_super+0x39/0xd2
Nov 20 23:30:23 *** kernel: [<ffffffff810994eb>] kill_block_super+0xd/0x1e
Nov 20 23:30:23 *** kernel: [<ffffffff810995b6>] deactivate_super+0x6a/0x83
Nov 20 23:30:23 *** kernel: [<ffffffff810ac1cd>] sys_umount+0x23d/0x273
Nov 20 23:30:23 *** kernel: [<ffffffff8109abde>] sys_newstat+0x19/0x31
Nov 20 23:30:23 *** kernel: [<ffffffff81116a90>] __up_write+0x27/0xf3
Nov 20 23:30:23 *** kernel: [<ffffffff8100be8e>] system_call+0x7e/0x83
Nov 20 23:30:23 *** kernel:
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: kernel BUG at fs/inode.c
2007-11-21 18:25 paulo
@ 2007-11-22 13:49 ` Jan Kara
0 siblings, 0 replies; 4+ messages in thread
From: Jan Kara @ 2007-11-22 13:49 UTC (permalink / raw)
To: paulo.nogueira; +Cc: linux-kernel
Hi,
> This is to report a kernel bug that appeared while using the
> non-standard kernel 2.6.24-rc1-git10, which I was using for
> the purpose of helping to debug a different problem.
> I am not sure if the problem is easily reproducible... if
> needed I'll try with the latest fc7 kernel.
>
> The dump listed below was extracted from /var/log/messages
> and was generated after copying > 1GB of data to a DVD-RAM,
> udf format. When it seemed to have stopped (after 2 hours!)
> I issued the eject command. It then seemed to write more
> data to the disk (possibly part of the data had not been
> really copied, and it was syncing) and a few minutes after
> this notice came up.
Thanks for report. It looks like a problem in UDF. Actually I think
I've already seen a similar report. Are there any IO errors in the logs
or anything else suspitious?
Honza
> Nov 20 23:30:23 *** kernel: kernel BUG at fs/inode.c:191!
> Nov 20 23:30:23 *** kernel: invalid opcode: 0000 [1] SMP
> Nov 20 23:30:23 *** kernel: CPU 1
> Nov 20 23:30:23 *** kernel: Modules linked in: udf usb_storage autofs4 sunrpc cpufreq_ondemand reiserfs dm_mirror dm_mod video output sbs sbshc battery ac power_supply ipv6 snd_intel8x0 snd_ac97_codec ac97_bus snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device snd_pcm_oss snd_mixer_oss snd_pcm snd_timer snd sr_mod button forcedeth soundcore cdrom k8temp pcspkr snd_page_alloc pata_amd hwmon i2c_nforce2 i2c_core sg sata_nv ata_generic libata sd_mod scsi_mod ext3 jbd mbcache ehci_hcd ohci_hcd uhci_hcd
> Nov 20 23:30:23 *** kernel: Pid: 11762, comm: umount Not tainted 2.6.24-rc1-git10 #0
> Nov 20 23:30:23 *** kernel: RIP: 0010:[<ffffffff810a9886>] [<ffffffff810a9886>] destroy_inode+0xd/0x47
> Nov 20 23:30:23 *** kernel: RSP: 0018:ffff81001ac47dd8 EFLAGS: 00010202
> Nov 20 23:30:23 *** kernel: RAX: 0000000000000001 RBX: ffff81010ac0b548 RCX: ffff81010ac0b548
> Nov 20 23:30:23 *** kernel: RDX: 0000000000000007 RSI: ffff81010ac0b750 RDI: ffff81010ac0b548
> Nov 20 23:30:23 *** kernel: RBP: ffff81010ac0b548 R08: 8000000000000000 R09: ffffffff81405a18
> Nov 20 23:30:23 *** kernel: R10: 0000000000000000 R11: ffff81001ac47d58 R12: 00000000000001ba
> Nov 20 23:30:23 *** kernel: R13: ffff81001ac47e18 R14: ffff81001aba6068 R15: 0000000000000000
> Nov 20 23:30:23 *** kernel: FS: 00002b38ac69f6c0(0000) GS:ffff810100001800(0000) knlGS:0000000000000000
> Nov 20 23:30:23 *** kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
> Nov 20 23:30:23 *** kernel: CR2: 00000000008cb370 CR3: 000000001ac6a000 CR4: 00000000000006e0
> Nov 20 23:30:23 *** kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
> Nov 20 23:30:23 *** kernel: DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
> Nov 20 23:30:23 *** kernel: Process umount (pid: 11762, threadinfo ffff81001ac46000, task ffff81010492c000)
> Nov 20 23:30:23 *** kernel: Stack: ffff81010ac0b558 ffffffff810a9e84 0000000000000018 ffff8101059af048
> Nov 20 23:30:23 *** kernel: ffff81010610a8c0 0000000000004a57 ffff81010610a8c0 ffffffff810aa160
> Nov 20 23:30:23 *** kernel: ffff81010ac0b7d8 ffff81001aba6058 0000000000000000 ffff81010610a800
> Nov 20 23:30:23 *** kernel: Call Trace:
> Nov 20 23:30:23 *** kernel: [<ffffffff810a9e84>] dispose_list+0xae/0xe0
> Nov 20 23:30:23 *** kernel: [<ffffffff810aa160>] invalidate_inodes+0xc1/0xdf
> Nov 20 23:30:23 *** kernel: [<ffffffff81099445>] generic_shutdown_super+0x39/0xd2
> Nov 20 23:30:23 *** kernel: [<ffffffff810994eb>] kill_block_super+0xd/0x1e
> Nov 20 23:30:23 *** kernel: [<ffffffff810995b6>] deactivate_super+0x6a/0x83
> Nov 20 23:30:23 *** kernel: [<ffffffff810ac1cd>] sys_umount+0x23d/0x273
> Nov 20 23:30:23 *** kernel: [<ffffffff8109abde>] sys_newstat+0x19/0x31
> Nov 20 23:30:23 *** kernel: [<ffffffff81116a90>] __up_write+0x27/0xf3
> Nov 20 23:30:23 *** kernel: [<ffffffff8100be8e>] system_call+0x7e/0x83
> Nov 20 23:30:23 *** kernel:
> Nov 20 23:30:23 *** kernel:
> Nov 20 23:30:23 *** kernel: Code: 0f 0b eb fe 48 89 df e8 e7 39 04 00 48 8b 83 f8 00 00 00 48
> Nov 20 23:30:23 *** kernel: RIP [<ffffffff810a9886>] destroy_inode+0xd/0x47
> Nov 20 23:30:23 *** kernel: RSP <ffff81001ac47dd8>
> Nov 20 23:30:23 *** kernel: WARNING: at kernel/exit.c:917 do_exit()
> Nov 20 23:30:23 *** kernel:
> Nov 20 23:30:23 *** kernel: Call Trace:
> Nov 20 23:30:23 *** kernel: [<ffffffff8103c55a>] do_exit+0x4f/0x768
> Nov 20 23:30:23 *** kernel: [<ffffffff8100d64d>] kernel_math_error+0x0/0x71
> Nov 20 23:30:23 *** kernel: [<ffffffff8100da73>] do_invalid_op+0x85/0x8f
> Nov 20 23:30:23 *** kernel: [<ffffffff810a9886>] destroy_inode+0xd/0x47
> Nov 20 23:30:23 *** kernel: [<ffffffff8104bd77>] bit_waitqueue+0x10/0x9f
> Nov 20 23:30:23 *** kernel: [<ffffffff8104be44>] wake_up_bit+0x11/0x22
> Nov 20 23:30:23 *** kernel: [<ffffffff810b23cf>] __writeback_single_inode+0x2a5/0x2b7
> Nov 20 23:30:23 *** kernel: [<ffffffff882cb85c>] :udf:udf_current_aext+0xe8/0x143
> Nov 20 23:30:23 *** kernel: [<ffffffff81251039>] error_exit+0x0/0x51
> Nov 20 23:30:23 *** kernel: [<ffffffff810a9886>] destroy_inode+0xd/0x47
> Nov 20 23:30:23 *** kernel: [<ffffffff810a9882>] destroy_inode+0x9/0x47
> Nov 20 23:30:23 *** kernel: [<ffffffff810a9e84>] dispose_list+0xae/0xe0
> Nov 20 23:30:23 *** kernel: [<ffffffff810aa160>] invalidate_inodes+0xc1/0xdf
> Nov 20 23:30:23 *** kernel: [<ffffffff81099445>] generic_shutdown_super+0x39/0xd2
> Nov 20 23:30:23 *** kernel: [<ffffffff810994eb>] kill_block_super+0xd/0x1e
> Nov 20 23:30:23 *** kernel: [<ffffffff810995b6>] deactivate_super+0x6a/0x83
> Nov 20 23:30:23 *** kernel: [<ffffffff810ac1cd>] sys_umount+0x23d/0x273
> Nov 20 23:30:23 *** kernel: [<ffffffff8109abde>] sys_newstat+0x19/0x31
> Nov 20 23:30:23 *** kernel: [<ffffffff81116a90>] __up_write+0x27/0xf3
> Nov 20 23:30:23 *** kernel: [<ffffffff8100be8e>] system_call+0x7e/0x83
> Nov 20 23:30:23 *** kernel:
--
Jan Kara <jack@suse.cz>
SuSE CR Labs
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2007-11-26 15:45 UTC | newest]
Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
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2007-11-22 18:20 kernel BUG at fs/inode.c paulo
2007-11-26 15:45 ` Jan Kara
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2007-11-21 18:25 paulo
2007-11-22 13:49 ` Jan Kara
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