Reiser4

Reiser4

[Milan Buska]

Hi all.

I have a few questions.

1, fs reiser4 is limited by file size
2, is there any connection between the reiser4 and SATA disk
3, I formatted disk partition with the command 
	# mkfs.reiser4-o create = ccreg40, compress = gzip1 
	and the system seems slower to me. Is this possible?

Thanks

Milan
-- 
Remember, no question is too stupid and no problem too small
             -- We've all been beginners

Re: Reiser4

[Toby Thain]

On 17/12/10 11:25 AM, Milan Buska wrote:
> Hi all.
> 
> I have a few questions.
> 
> 1, fs reiser4 is limited by file size
> 2, is there any connection between the reiser4 and SATA disk
> 3, I formatted disk partition with the command 
> 	# mkfs.reiser4-o create = ccreg40, compress = gzip1 
                                                      ^^^^^
> 	and the system seems slower to me. Is this possible?


Slower than what?

--Toby

> 
> Thanks
> 
> Milan

Re: Reiser4

[Milan Buska]

17. Dec (Friday) v 11:31:33 -0500 2010, toby@telegraphics.com.au napsal(a):
> On 17/12/10 11:25 AM, Milan Buska wrote:
> > Hi all.
> > 
> > I have a few questions.
> > 
> > 1, fs reiser4 is limited by file size
> > 2, is there any connection between the reiser4 and SATA disk
> > 3, I formatted disk partition with the command 
> > 	# mkfs.reiser4-o create = ccreg40, compress = gzip1 
>                                                       ^^^^^
> > 	and the system seems slower to me. Is this possible?
> 
> 
> Slower than what?

It was just my subjective impression.
Sorry.

file size 64M
time tar -xf file.tar.bz2
--- reiser4 ------    --- reiserfs ---
real    0m27.436s     real    0m31.165s
user    0m23.242s     user    0m24.546s
sys     0m6.118s      sys     0m5.905s

> 
> --Toby

Milan

-- 
Remember, no question is too stupid and no problem too small
             -- We've all been beginners

Re: Reiser4

[Toby Thain]

On 17/12/10 12:20 PM, Milan Buska wrote:
> 17. Dec (Friday) v 11:31:33 -0500 2010, toby@telegraphics.com.au napsal(a):
>> On 17/12/10 11:25 AM, Milan Buska wrote:
>>> Hi all.
>>>
>>> I have a few questions.
>>>
>>> 1, fs reiser4 is limited by file size
>>> 2, is there any connection between the reiser4 and SATA disk
>>> 3, I formatted disk partition with the command 
>>> 	# mkfs.reiser4-o create = ccreg40, compress = gzip1 
>>                                                       ^^^^^
>>> 	and the system seems slower to me. Is this possible?
>>
>>
>> Slower than what?
> 
> It was just my subjective impression.
> Sorry.
> 
> file size 64M
> time tar -xf file.tar.bz2


This doesn't seem like a very good filesystem benchmark.

Did you deliberately enable gzip1 compression? Presumably that would
affect performance. But I think you need to find a better way to measure it.

--Toby


> --- reiser4 ------    --- reiserfs ---
> real    0m27.436s     real    0m31.165s
> user    0m23.242s     user    0m24.546s
> sys     0m6.118s      sys     0m5.905s
> 
>>
>> --Toby
> 
> Milan
> 

Re: Reiser4

[Edward Shishkin]

Milan Buska wrote:
> Hi all.
>   

Hello.

> I have a few questions.
>
> 1, fs reiser4 is limited by file size
>   

file size is limited by MAX_LFS_FILESIZE,
see definition in ./include/linux/fs.h

> 2, is there any connection between the reiser4 and SATA disk
>   

not sure what do you mean..

Re: Reiser4

[Milan Buska]

17. Dec (Friday) v 18:51:04 +0100 2010, edward.shishkin@gmail.com napsal(a):
> Milan Buska wrote:
> >Hi all.
> 
> Hello.
> 
> >I have a few questions.
> >
> >1, fs reiser4 is limited by file size
> 
> file size is limited by MAX_LFS_FILESIZE,
> see definition in ./include/linux/fs.h

Much of it I understand. I'm not a programmer.

#if BITS_PER_LONG==32
#define MAX_LFS_FILESIZE	(((u64)PAGE_CACHE_SIZE << (BITS_PER_LONG-1))-1) 
#elif BITS_PER_LONG==64
#define MAX_LFS_FILESIZE 	0x7fffffffffffffffUL
#endif

I have to learn more

> 
> >2, is there any connection between the reiser4 and SATA disk
> 
> not sure what do you mean..

I think I was still ripe in this forum.

Thanks

-- 
Remember, no question is too stupid and no problem too small
             -- We've all been beginners

Re: Reiser4

[Edward Shishkin]

Milan Buska wrote:
> 17. Dec (Friday) v 18:51:04 +0100 2010, edward.shishkin@gmail.com napsal(a):
>   
>> Milan Buska wrote:
>>     
>>> Hi all.
>>>       
>> Hello.
>>
>>     
>>> I have a few questions.
>>>
>>> 1, fs reiser4 is limited by file size
>>>       
>> file size is limited by MAX_LFS_FILESIZE,
>> see definition in ./include/linux/fs.h
>>     
>
> Much of it I understand. I'm not a programmer.
>
> #if BITS_PER_LONG==32
> #define MAX_LFS_FILESIZE	(((u64)PAGE_CACHE_SIZE << (BITS_PER_LONG-1))-1) 
> #elif BITS_PER_LONG==64
> #define MAX_LFS_FILESIZE 	0x7fffffffffffffffUL
> #endif
>
> I have to learn more
>   

Which box do you have?
For example, for i386 machines the limit is 8T

>   
>>> 2, is there any connection between the reiser4 and SATA disk
>>>       
>> not sure what do you mean..
>>     
>
> I think I was still ripe in this forum.
>
> Thanks
>
>   

Re: Reiser4

[Milan Buška]

2010/12/17 Edward Shishkin <edward.shishkin@gmail.com>:
>> Much of it I understand. I'm not a programmer.
>>
>> #if BITS_PER_LONG==32
>> #define MAX_LFS_FILESIZE        (((u64)PAGE_CACHE_SIZE <<
>> (BITS_PER_LONG-1))-1) #elif BITS_PER_LONG==64
>> #define MAX_LFS_FILESIZE        0x7fffffffffffffffUL
>> #endif
>>
>> I have to learn more
>>
>
> Which box do you have?
> For example, for i386 machines the limit is 8T
32 bit
uname -a
Linux ishi 2.6.36-SAUX-reiser4 #1 SMP PREEMPT Sun Nov 21 22:21:51 UTC
2010 i686 Intel(R) Core(TM)2 CPU 6400 @ 2.13GHz GenuineIntel GNU/Linux
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Re: Reiser4

[Edward Shishkin]

Milan Buška wrote:
> 2010/12/17 Edward Shishkin <edward.shishkin@gmail.com>:
>   
>>> Much of it I understand. I'm not a programmer.
>>>
>>> #if BITS_PER_LONG==32
>>> #define MAX_LFS_FILESIZE        (((u64)PAGE_CACHE_SIZE <<
>>> (BITS_PER_LONG-1))-1) #elif BITS_PER_LONG==64
>>> #define MAX_LFS_FILESIZE        0x7fffffffffffffffUL
>>> #endif
>>>
>>> I have to learn more
>>>
>>>       
>> Which box do you have?
>> For example, for i386 machines the limit is 8T
>>     
> 32 bit
> uname -a
> Linux ishi 2.6.36-SAUX-reiser4 #1 SMP PREEMPT Sun Nov 21 22:21:51 UTC
> 2010 i686 Intel(R) Core(TM)2 CPU 6400 @ 2.13GHz GenuineIntel GNU/Linux
>
>   

Alas, only 8T..
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Re: Reiser4

[Edward Shishkin]

On 2/21/08, gordan@bobich.net <gordan@bobich.net> wrote:

...

>  Is tail packing used by default? I seem to remember that it was not used
>  by default if compression was emabled. Is this the case? Is it possible to
>  use both compression and tail packing?
>

Transparent compression has nothing with tail packing.

Cryptcompress file plugin doesn't operate with tails/extents.
This is a different file plugin, that can be considered as another
file system, which uses the same low-level code (nodes,
balancing, etc).

Tails/extents are a business of (default) unix-file plugin,
whereas cryptcompress file plugin operates only with so-called
"ctail items", which look mostly like tails, but ain't merged at
logical cluster boundaries, plus some other peculiar properties.

If compression is enabled, then in default mode management
will be passed to unix-file plugin with "notail" policy, as soon
as some heuristic detects, that file is incompressible. See
http://66.102.9.104/search?q=cache:TkVTWciE3F8J:www.namesys.com/cryptcompress_design.html
for details.

Edward.


>
>  >> Are there any plans to put it all up on Sourceforge or similar, with public
>  >> CVS access, mailing lists etc, so the user community can get more involved
>  >> in the project?
>  >
>
> > Flex still doesn't have a time to repair namesys.com
>
>
> Ah, so it will be back. Good to know. :-)
>
>  Many thanks for your help.
>
>  Gordan
>

Reiser4

[Paolo Ciarrocchi]

What's the status of this FS ?
It's definitely out ?

-- 
Paolo
Personal home page: www.ciarrocchi.tk
See my photos: http://paolociarrocchi.fotopic.net/
Buy cool stuff here: http://www.cafepress.com/paoloc

Re: Reiser4

[Vladimir Saveliev]

Hello

On Tue, 2004-09-28 at 16:43, Paolo Ciarrocchi wrote:
> What's the status of this FS ?
> It's definitely out ?

it is included into mm serie of kernel since 2.6.8.1-mm2.

Re: Reiser4

[Paolo Ciarrocchi]

On Tue, 28 Sep 2004 18:06:22 +0400, Vladimir Saveliev <vs@namesys.com> wrote:
> Hello
> 
> On Tue, 2004-09-28 at 16:43, Paolo Ciarrocchi wrote:
> > What's the status of this FS ?
> > It's definitely out ?
> 
> it is included into mm serie of kernel since 2.6.8.1-mm2.

Yup, I thought it was dropped.
Do you know if Andrew/Linus are planning to merge it in mainline anytime soon ?

Thanks you.

Ciao,

-- 
Paolo
Personal home page: www.ciarrocchi.tk
See my photos: http://paolociarrocchi.fotopic.net/
Buy cool stuff here: http://www.cafepress.com/paoloc

Re: Reiser4

[Vladimir Saveliev]

Hello

On Tue, 2004-09-28 at 19:20, Paolo Ciarrocchi wrote:
> On Tue, 28 Sep 2004 18:06:22 +0400, Vladimir Saveliev <vs@namesys.com> wrote:
> > Hello
> > 
> > On Tue, 2004-09-28 at 16:43, Paolo Ciarrocchi wrote:
> > > What's the status of this FS ?
> > > It's definitely out ?
> > 
> > it is included into mm serie of kernel since 2.6.8.1-mm2.
> 
> Yup, I thought it was dropped.
> Do you know if Andrew/Linus are planning to merge it in mainline anytime soon ?
> 

When reiser4 will become more mature. It is curretly too raw.

> Thanks you.
> 
> Ciao,

Re: Reiser4

[Christopher Hotchkiss]

>From what I've read it seems that they are having problems with the
plugin system for reiser4, as to whether it should be in the kernel
itself.


On Tue, 28 Sep 2004 17:20:47 +0200, Paolo Ciarrocchi
<paolo.ciarrocchi@gmail.com> wrote:
> On Tue, 28 Sep 2004 18:06:22 +0400, Vladimir Saveliev <vs@namesys.com> wrote:
> > Hello
> >
> > On Tue, 2004-09-28 at 16:43, Paolo Ciarrocchi wrote:
> > > What's the status of this FS ?
> > > It's definitely out ?
> >
> > it is included into mm serie of kernel since 2.6.8.1-mm2.
> 
> Yup, I thought it was dropped.
> Do you know if Andrew/Linus are planning to merge it in mainline anytime soon ?
> 
> Thanks you.
> 
> Ciao,
> 
> 
> 
> --
> Paolo
> Personal home page: www.ciarrocchi.tk
> See my photos: http://paolociarrocchi.fotopic.net/
> Buy cool stuff here: http://www.cafepress.com/paoloc
> -
> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
> Please read the FAQ at  http://www.tux.org/lkml/
> 



-- 
Christopher Hotchkiss
(813)960-9273
http://www.post227.org

Reiser4

[Ronni Nielsen]

I reeeeeeeeeeeeeeeeeeeeeeeeeeeeally want to test reiser4 - but i have
this problem:

modprobe reiser4:
FATAL: Error inserting reiser4
(/lib/modules/2.6.7-mm4/kernel/fs/reiser4/reiser4.ko): Unknown symbol in
module, or unknown parameter (see dmesg)

dmesg:
...
reiser4: Unknown symbol __pagevec_release
reiser4: Unknown symbol pagevec_lookup_tag
reiser4: Unknown symbol __iget

I downloaded the 2.6.7 kernel and patched it with the 2.6.7-mm4 patch.
Then i downloaded reiser4-2004.06.30-09.12-linux-2.6.7-mm4.diff.gz
from http://www.namesys.com/auto-snapshots/

What is the problem???

And how can I help in testing the new filesystem?

/ronni

Re: Reiser4

[sirpj]

Do you have the latest version of the module_init__tools and modutils?

http://www.kernel.org/pub/linux/kernel/people/rusty/modules/

Jenn


I reeeeeeeeeeeeeeeeeeeeeeeeeeeeally want to test reiser4 - but i have
> this problem:
>
> modprobe reiser4:
> FATAL: Error inserting reiser4
> (/lib/modules/2.6.7-mm4/kernel/fs/reiser4/reiser4.ko): Unknown symbol in
> module, or unknown parameter (see dmesg)
>
> dmesg:
> ...
> reiser4: Unknown symbol __pagevec_release
> reiser4: Unknown symbol pagevec_lookup_tag
> reiser4: Unknown symbol __iget
>
> I downloaded the 2.6.7 kernel and patched it with the 2.6.7-mm4 patch.
> Then i downloaded reiser4-2004.06.30-09.12-linux-2.6.7-mm4.diff.gz
> from http://www.namesys.com/auto-snapshots/
>
> What is the problem???
>
> And how can I help in testing the new filesystem?
>
> /ronni
>

Re: Reiser4

[Vladimir V. Saveliev]

Hello

sirpj@ecs.csus.edu wrote:
> Do you have the latest version of the module_init__tools and modutils?
> 
> http://www.kernel.org/pub/linux/kernel/people/rusty/modules/
> 
> Jenn
> 
> 
> I reeeeeeeeeeeeeeeeeeeeeeeeeeeeally want to test reiser4 - but i have
> 
>>this problem:
>>
>>modprobe reiser4:
>>FATAL: Error inserting reiser4
>>(/lib/modules/2.6.7-mm4/kernel/fs/reiser4/reiser4.ko): Unknown symbol in
>>module, or unknown parameter (see dmesg)
>>
>>dmesg:
>>...
>>reiser4: Unknown symbol __pagevec_release
>>reiser4: Unknown symbol pagevec_lookup_tag
>>reiser4: Unknown symbol __iget
>>
>>I downloaded the 2.6.7 kernel and patched it with the 2.6.7-mm4 patch.
>>Then i downloaded reiser4-2004.06.30-09.12-linux-2.6.7-mm4.diff.gz
>>from http://www.namesys.com/auto-snapshots/
>>
>>What is the problem???

Thanks for report
next auto-snapshot will fix it
for now you can add
EXPORT_SYMBOL(__get);
EXPORT_SYMBOL(__pagevec_release);
EXPORT_SYMBOL(pagevec_lookup_tag);

after definitions of those functions

>>
>>And how can I help in testing the new filesystem?
>>

Get it running and share your feeling, please

>>/ronni
>>
> 
> 
> 
> 

Re: Reiser4

[Ronni Nielsen]

ons, 2004-06-30 kl. 16:36 skrev Vladimir V. Saveliev: 

> Thanks for report
> next auto-snapshot will fix it
> for now you can add
> EXPORT_SYMBOL(__get);
> EXPORT_SYMBOL(__pagevec_release);
> EXPORT_SYMBOL(pagevec_lookup_tag);

Added 
EXPORT_SYMBOL(__iget);
in fs/inode.c
and
EXPORT_SYMBOL(__pagevec_release);
EXPORT_SYMBOL(pagevec_lookup_tag);
in mm/swap.c

And now it works - thanx :-)
Now the testing begins....

/ronni

Re: Reiser4

[Ronni Nielsen]

Just upgraded to module-init-tools-3.1-pre4 - no difference :-(

/ronni

ons, 2004-06-30 kl. 16:24 skrev sirpj@ecs.csus.edu:
> Do you have the latest version of the module_init__tools and modutils?
> 
> http://www.kernel.org/pub/linux/kernel/people/rusty/modules/
> 
> Jenn
> 
> 
> I reeeeeeeeeeeeeeeeeeeeeeeeeeeeally want to test reiser4 - but i have
> > this problem:
> >
> > modprobe reiser4:
> > FATAL: Error inserting reiser4
> > (/lib/modules/2.6.7-mm4/kernel/fs/reiser4/reiser4.ko): Unknown symbol in
> > module, or unknown parameter (see dmesg)
> >
> > dmesg:
> > ...
> > reiser4: Unknown symbol __pagevec_release
> > reiser4: Unknown symbol pagevec_lookup_tag
> > reiser4: Unknown symbol __iget
> >
> > I downloaded the 2.6.7 kernel and patched it with the 2.6.7-mm4 patch.
> > Then i downloaded reiser4-2004.06.30-09.12-linux-2.6.7-mm4.diff.gz
> > from http://www.namesys.com/auto-snapshots/
> >
> > What is the problem???
> >
> > And how can I help in testing the new filesystem?
> >
> > /ronni
> >
> 

Re: Reiser4

[Alex Zarochentsev]

On Wed, Jun 30, 2004 at 04:16:33PM +0200, Ronni Nielsen wrote:
> I reeeeeeeeeeeeeeeeeeeeeeeeeeeeally want to test reiser4 - but i have
> this problem:
> 
> modprobe reiser4:
> FATAL: Error inserting reiser4
> (/lib/modules/2.6.7-mm4/kernel/fs/reiser4/reiser4.ko): Unknown symbol in
> module, or unknown parameter (see dmesg)
> 
> dmesg:
> ...
> reiser4: Unknown symbol __pagevec_release
> reiser4: Unknown symbol pagevec_lookup_tag
> reiser4: Unknown symbol __iget
> 
> I downloaded the 2.6.7 kernel and patched it with the 2.6.7-mm4 patch.
> Then i downloaded reiser4-2004.06.30-09.12-linux-2.6.7-mm4.diff.gz
> from http://www.namesys.com/auto-snapshots/
> 
> What is the problem???
> 
> And how can I help in testing the new filesystem?

exporting of those symbols should help to build reiser4 as a module.

-- 
Alex.

reiser4

[Alan Willis]

[-- Attachment #1: Type: text/plain, Size: 531 bytes --]


  Cmd line: tar zxf ~/linux-2.5.46.tar.gz && cd linux-2.5.46 && tar zxf
~/linux-2.5.46.tar.gz && cd ../ && strace rm -rf linux-2.5.46/ 2>
~/rm.log  && ls -al

  I think this last ls is what gave me a segfault when this command
completed.

  The last 'ls' is because I wanted to see if a linux-2.5.46/ directory
remained unremoved, as once before a subdir went untouched, I was trying
to duplicate that situation.  I also had 1000000 empty files in that
directory, recently created.  The oops is in the attached dmesg.log.

-alan


[-- Attachment #2: profile.log --]
[-- Type: application/octet-stream, Size: 10722 bytes --]

12994891 setup_rt_frame                           17656.1019
    10 handle_signal                              0.0312
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     2 try_inc_mod_count                          0.0250
    12 sys_delete_module                          0.0179
    54 qm_modules                                 0.1688
    21 qm_deps                                    0.0453
    30 qm_refs                                    0.0781
     2 qm_symbols                                 0.0042
     7 m_show                                     0.0104
    22 __unhash_process                           0.0917
    22 release_task                               0.0491
     6 daemonize                                  0.0417
     2 put_files_struct                           0.0089
     4 sys_wait4                                  0.0032
     1 do_setitimer                               0.0027
     1 ksoftirqd                                  0.0042
     3 do_resource_list                           0.0170
    55 __request_resource                         0.4911
     1 check_resource                             0.0069
     5 __constant_c_and_count_memset              0.0312
     2 do_sysctl                                  0.0096
     4 do_sysctl_strategy                         0.0100
     1 unregister_sysctl_table                    0.0156
     3 register_proc_table                        0.0099
     1 unregister_proc_table                      0.0069
     5 do_rw_proc                                 0.0284
    35 proc_writesys                              0.5469
    14 proc_sys_permission                        0.4375
   292 proc_dostring                              0.6083
   272 proc_doutsstring                           1.0625
   327 do_proc_dointvec                           0.3785
    31 proc_dointvec                              0.3875
     6 proc_dointvec_minmax                       0.0072
    25 do_proc_doulongvec_minmax                  0.0289
    27 proc_doulongvec_minmax                     0.3375
    38 proc_doulongvec_ms_jiffies_minmax          0.4750
    32 proc_dointvec_jiffies                      0.4000
   220 sysctl_string                              0.5978
    26 sysctl_intvec                              0.1354
   502 sysctl_jiffies                             1.6513
   122 unlock_kernel                              2.3922
     1 .text.lock.sysctl                          0.0130
121737 ptrace_attach                            317.0234
     7 ptrace_detach                              0.0547
  1077 access_process_vm                          2.3211
     3 second_overflow                            0.0054
     1 update_wall_time                           0.0156
     4 update_one_process                         0.0139
     1 update_process_times                       0.0104
     1 schedule_timeout                           0.0052
     2 specific_send_sig_info                     0.0040
     2 find_unblocked_thread                      0.0179
   149 do_notify_parent                           0.3880
   578 get_signal_to_deliver                      1.0035
    61 sys_rt_sigprocmask                         0.1525
   707 copy_siginfo_to_user                       1.6995
   602 sys_rt_sigtimedwait                        0.9647
    18 sys_kill                                   0.1875
   138 sys_sigprocmask                            0.4539
    12 sys_ssetmask                               0.1250
    10 sys_signal                                 0.1562
    31 sys_pause                                  0.9688
    79 signal_wake_up                             0.9875
   366 __constant_memcpy                          1.3456
    66 sigorsets                                  1.0312
    24 sigandsets                                 0.3750
    45 signandsets                                0.7031
   219 notifier_chain_register                    2.2812
   410 notifier_chain_unregister                  3.6607
  1691 notifier_call_chain                       21.1375
13162019 total                                     98.3297

[-- Attachment #3: dmesg.log --]
[-- Type: application/octet-stream, Size: 15205 bytes --]

x60
 [<c0216a6e>] shorten_file+0x8e/0x270
 [<c0216f05>] unix_file_truncate+0x175/0x190
 [<c01fdb25>] truncate_object+0x55/0x100
 [<c01eb72f>] reiser4_grab_space_exact+0x2f/0x40
 [<c0218ade>] get_exclusive_access+0x4e/0x70
 [<c01fe498>] reiser4_delete_inode+0x148/0x1a0
 [<c01fe350>] reiser4_delete_inode+0x0/0x1a0
 [<c0160a7d>] generic_delete_inode+0xad/0xe0
 [<c01fe336>] reiser4_drop_inode+0x76/0x90
 [<c0160c6c>] iput+0x5c/0x80
 [<c0156dd0>] vfs_unlink+0xb0/0x1e0
 [<c015702c>] sys_unlink+0x12c/0x130
 [<c010dbc2>] do_syscall_trace+0x62/0xd0
 [<c01092c3>] syscall_call+0x7/0xb

Debug: sleeping function called from illegal context at mm/slab.c:1304
Call Trace:
 [<c0137694>] kmem_flagcheck+0x64/0x70
 [<c0137738>] cache_grow+0x98/0x220
 [<c0137a0e>] cache_alloc_refill+0x14e/0x1c0
 [<c0137ba9>] kmalloc+0x69/0x70
 [<c01fa09b>] bse_alloc+0x1b/0x40
 [<c01fa1d8>] blocknr_set_add+0xa8/0xd0
 [<c01fa24f>] blocknr_set_add_block+0x2f/0x40
 [<c01edc90>] uncapture_page+0xc0/0x120
 [<c01e7003>] longterm_unlock_znode+0xd3/0xe0
 [<c01e94fe>] cut_tree+0x16e/0x1b0
 [<c01fbb03>] get_inode_oid+0x13/0x30
 [<c02187df>] unix_file_key_by_inode+0x2f/0x60
 [<c0218caa>] cut_tail_items+0x8a/0xa0
 [<c0216840>] find_next_item+0x90/0xb0
 [<c0218d85>] replace+0x35/0x90
 [<c02190e8>] tail2extent+0x308/0x560
 [<c01fc31f>] inode_tail_plugin+0xf/0x20
 [<c01e78a8>] lock_stack_isclean+0x108/0x180
 [<c0217f8e>] append_and_or_overwrite+0x21e/0x250
 [<c01fa7ff>] reiser4_grabbed_blocks+0xf/0x20
 [<c01eee63>] build_sd_key+0x43/0x90
 [<c021823e>] unix_file_write+0x10e/0x190
 [<c01fcc13>] reiser4_write+0x103/0x110
 [<c014822c>] vfs_write+0xdc/0x150
 [<c01484de>] sys_write+0x3e/0x60
 [<c01092c3>] syscall_call+0x7/0xb

Debug: sleeping function called from illegal context at mm/slab.c:1304
Call Trace:
 [<c0137694>] kmem_flagcheck+0x64/0x70
 [<c0137738>] cache_grow+0x98/0x220
 [<c0137a0e>] cache_alloc_refill+0x14e/0x1c0
 [<c0137ba9>] kmalloc+0x69/0x70
 [<c01fa09b>] bse_alloc+0x1b/0x40
 [<c01fa1d8>] blocknr_set_add+0xa8/0xd0
 [<c01fa24f>] blocknr_set_add_block+0x2f/0x40
 [<c01edc90>] uncapture_page+0xc0/0x120
 [<c01e7003>] longterm_unlock_znode+0xd3/0xe0
 [<c01e94fe>] cut_tree+0x16e/0x1b0
 [<c01fbb03>] get_inode_oid+0x13/0x30
 [<c0205f4f>] unix_key_by_inode+0x2f/0x60
 [<c0216a6e>] shorten_file+0x8e/0x270
 [<c0216f05>] unix_file_truncate+0x175/0x190
 [<c01fdb25>] truncate_object+0x55/0x100
 [<c01eb72f>] reiser4_grab_space_exact+0x2f/0x40
 [<c0218ade>] get_exclusive_access+0x4e/0x70
 [<c01fe498>] reiser4_delete_inode+0x148/0x1a0
 [<c01fe350>] reiser4_delete_inode+0x0/0x1a0
 [<c0160a7d>] generic_delete_inode+0xad/0xe0
 [<c01fe336>] reiser4_drop_inode+0x76/0x90
 [<c0160c6c>] iput+0x5c/0x80
 [<c0156dd0>] vfs_unlink+0xb0/0x1e0
 [<c015702c>] sys_unlink+0x12c/0x130
 [<c010dbc2>] do_syscall_trace+0x62/0xd0
 [<c01092c3>] syscall_call+0x7/0xb

Debug: sleeping function called from illegal context at mm/slab.c:1304
Call Trace:
 [<c0137694>] kmem_flagcheck+0x64/0x70
 [<c0137738>] cache_grow+0x98/0x220
 [<c0137a0e>] cache_alloc_refill+0x14e/0x1c0
 [<c0137ba9>] kmalloc+0x69/0x70
 [<c01fa09b>] bse_alloc+0x1b/0x40
 [<c01fa1d8>] blocknr_set_add+0xa8/0xd0
 [<c01fa24f>] blocknr_set_add_block+0x2f/0x40
 [<c01edc90>] uncapture_page+0xc0/0x120
 [<c01e7003>] longterm_unlock_znode+0xd3/0xe0
 [<c01e94fe>] cut_tree+0x16e/0x1b0
 [<c01fbb03>] get_inode_oid+0x13/0x30
 [<c0205f4f>] unix_key_by_inode+0x2f/0x60
 [<c0216a6e>] shorten_file+0x8e/0x270
 [<c0216f05>] unix_file_truncate+0x175/0x190
 [<c01fdb25>] truncate_object+0x55/0x100
 [<c01eb72f>] reiser4_grab_space_exact+0x2f/0x40
 [<c0218ade>] get_exclusive_access+0x4e/0x70
 [<c01fe498>] reiser4_delete_inode+0x148/0x1a0
 [<c01fe350>] reiser4_delete_inode+0x0/0x1a0
 [<c0160a7d>] generic_delete_inode+0xad/0xe0
 [<c01fe336>] reiser4_drop_inode+0x76/0x90
 [<c0160c6c>] iput+0x5c/0x80
 [<c0156dd0>] vfs_unlink+0xb0/0x1e0
 [<c015702c>] sys_unlink+0x12c/0x130
 [<c010dbc2>] do_syscall_trace+0x62/0xd0
 [<c01092c3>] syscall_call+0x7/0xb

Debug: sleeping function called from illegal context at mm/slab.c:1304
Call Trace:
 [<c0137694>] kmem_flagcheck+0x64/0x70
 [<c0137738>] cache_grow+0x98/0x220
 [<c0137a0e>] cache_alloc_refill+0x14e/0x1c0
 [<c0137ba9>] kmalloc+0x69/0x70
 [<c01fa09b>] bse_alloc+0x1b/0x40
 [<c01fa1d8>] blocknr_set_add+0xa8/0xd0
 [<c01fa24f>] blocknr_set_add_block+0x2f/0x40
 [<c01edc90>] uncapture_page+0xc0/0x120
 [<c01e7003>] longterm_unlock_znode+0xd3/0xe0
 [<c01e94fe>] cut_tree+0x16e/0x1b0
 [<c01fbb03>] get_inode_oid+0x13/0x30
 [<c0205f4f>] unix_key_by_inode+0x2f/0x60
 [<c0216a6e>] shorten_file+0x8e/0x270
 [<c0216f05>] unix_file_truncate+0x175/0x190
 [<c01fdb25>] truncate_object+0x55/0x100
 [<c01eb72f>] reiser4_grab_space_exact+0x2f/0x40
 [<c0218ade>] get_exclusive_access+0x4e/0x70
 [<c01fe498>] reiser4_delete_inode+0x148/0x1a0
 [<c01fe350>] reiser4_delete_inode+0x0/0x1a0
 [<c0160a7d>] generic_delete_inode+0xad/0xe0
 [<c01fe336>] reiser4_drop_inode+0x76/0x90
 [<c0160c6c>] iput+0x5c/0x80
 [<c0156dd0>] vfs_unlink+0xb0/0x1e0
 [<c015702c>] sys_unlink+0x12c/0x130
 [<c010dbc2>] do_syscall_trace+0x62/0xd0
 [<c01092c3>] syscall_call+0x7/0xb

Debug: sleeping function called from illegal context at mm/slab.c:1304
Call Trace:
 [<c0137694>] kmem_flagcheck+0x64/0x70
 [<c0137738>] cache_grow+0x98/0x220
 [<c0137a0e>] cache_alloc_refill+0x14e/0x1c0
 [<c0137ba9>] kmalloc+0x69/0x70
 [<c01fa09b>] bse_alloc+0x1b/0x40
 [<c01fa1d8>] blocknr_set_add+0xa8/0xd0
 [<c01fa24f>] blocknr_set_add_block+0x2f/0x40
 [<c01edc90>] uncapture_page+0xc0/0x120
 [<c01e7003>] longterm_unlock_znode+0xd3/0xe0
 [<c01e94fe>] cut_tree+0x16e/0x1b0
 [<c01fbb03>] get_inode_oid+0x13/0x30
 [<c0205f4f>] unix_key_by_inode+0x2f/0x60
 [<c0216a6e>] shorten_file+0x8e/0x270
 [<c0216f05>] unix_file_truncate+0x175/0x190
 [<c01fdb25>] truncate_object+0x55/0x100
 [<c01eb72f>] reiser4_grab_space_exact+0x2f/0x40
 [<c0218ade>] get_exclusive_access+0x4e/0x70
 [<c01fe498>] reiser4_delete_inode+0x148/0x1a0
 [<c01fe350>] reiser4_delete_inode+0x0/0x1a0
 [<c0160a7d>] generic_delete_inode+0xad/0xe0
 [<c01fe336>] reiser4_drop_inode+0x76/0x90
 [<c0160c6c>] iput+0x5c/0x80
 [<c0156dd0>] vfs_unlink+0xb0/0x1e0
 [<c015702c>] sys_unlink+0x12c/0x130
 [<c010dbc2>] do_syscall_trace+0x62/0xd0
 [<c01092c3>] syscall_call+0x7/0xb

Debug: sleeping function called from illegal context at mm/slab.c:1304
Call Trace:
 [<c0137694>] kmem_flagcheck+0x64/0x70
 [<c0137738>] cache_grow+0x98/0x220
 [<c0137a0e>] cache_alloc_refill+0x14e/0x1c0
 [<c0137ba9>] kmalloc+0x69/0x70
 [<c01fa09b>] bse_alloc+0x1b/0x40
 [<c01fa1d8>] blocknr_set_add+0xa8/0xd0
 [<c01fa24f>] blocknr_set_add_block+0x2f/0x40
 [<c01edc90>] uncapture_page+0xc0/0x120
 [<c01e7003>] longterm_unlock_znode+0xd3/0xe0
 [<c01e94fe>] cut_tree+0x16e/0x1b0
 [<c01fbb03>] get_inode_oid+0x13/0x30
 [<c0205f4f>] unix_key_by_inode+0x2f/0x60
 [<c0216a6e>] shorten_file+0x8e/0x270
 [<c0216f05>] unix_file_truncate+0x175/0x190
 [<c01fdb25>] truncate_object+0x55/0x100
 [<c01eb72f>] reiser4_grab_space_exact+0x2f/0x40
 [<c0218ade>] get_exclusive_access+0x4e/0x70
 [<c01fe498>] reiser4_delete_inode+0x148/0x1a0
 [<c01fe350>] reiser4_delete_inode+0x0/0x1a0
 [<c0160a7d>] generic_delete_inode+0xad/0xe0
 [<c01fe336>] reiser4_drop_inode+0x76/0x90
 [<c0160c6c>] iput+0x5c/0x80
 [<c0156dd0>] vfs_unlink+0xb0/0x1e0
 [<c015702c>] sys_unlink+0x12c/0x130
 [<c010dbc2>] do_syscall_trace+0x62/0xd0
 [<c01092c3>] syscall_call+0x7/0xb

Debug: sleeping function called from illegal context at mm/slab.c:1304
Call Trace:
 [<c0137694>] kmem_flagcheck+0x64/0x70
 [<c0137738>] cache_grow+0x98/0x220
 [<c0137a0e>] cache_alloc_refill+0x14e/0x1c0
 [<c0137ba9>] kmalloc+0x69/0x70
 [<c01fa09b>] bse_alloc+0x1b/0x40
 [<c01fa1d8>] blocknr_set_add+0xa8/0xd0
 [<c01fa24f>] blocknr_set_add_block+0x2f/0x40
 [<c01edc90>] uncapture_page+0xc0/0x120
 [<c01e7003>] longterm_unlock_znode+0xd3/0xe0
 [<c01e94fe>] cut_tree+0x16e/0x1b0
 [<c01fbb03>] get_inode_oid+0x13/0x30
 [<c0205f4f>] unix_key_by_inode+0x2f/0x60
 [<c0216a6e>] shorten_file+0x8e/0x270
 [<c0216f05>] unix_file_truncate+0x175/0x190
 [<c01fdb25>] truncate_object+0x55/0x100
 [<c01eb72f>] reiser4_grab_space_exact+0x2f/0x40
 [<c0218ade>] get_exclusive_access+0x4e/0x70
 [<c01fe498>] reiser4_delete_inode+0x148/0x1a0
 [<c01fe350>] reiser4_delete_inode+0x0/0x1a0
 [<c0160a7d>] generic_delete_inode+0xad/0xe0
 [<c01fe336>] reiser4_drop_inode+0x76/0x90
 [<c0160c6c>] iput+0x5c/0x80
 [<c0156dd0>] vfs_unlink+0xb0/0x1e0
 [<c015702c>] sys_unlink+0x12c/0x130
 [<c010dbc2>] do_syscall_trace+0x62/0xd0
 [<c01092c3>] syscall_call+0x7/0xb

Debug: sleeping function called from illegal context at mm/slab.c:1304
Call Trace:
 [<c0137694>] kmem_flagcheck+0x64/0x70
 [<c0137738>] cache_grow+0x98/0x220
 [<c0137a0e>] cache_alloc_refill+0x14e/0x1c0
 [<c0137ba9>] kmalloc+0x69/0x70
 [<c01fa09b>] bse_alloc+0x1b/0x40
 [<c01fa1d8>] blocknr_set_add+0xa8/0xd0
 [<c01fa24f>] blocknr_set_add_block+0x2f/0x40
 [<c01edc90>] uncapture_page+0xc0/0x120
 [<c01e7003>] longterm_unlock_znode+0xd3/0xe0
 [<c01e94fe>] cut_tree+0x16e/0x1b0
 [<c01fbb03>] get_inode_oid+0x13/0x30
 [<c0205f4f>] unix_key_by_inode+0x2f/0x60
 [<c0216a6e>] shorten_file+0x8e/0x270
 [<c0216f05>] unix_file_truncate+0x175/0x190
 [<c01fdb25>] truncate_object+0x55/0x100
 [<c01eb72f>] reiser4_grab_space_exact+0x2f/0x40
 [<c0218ade>] get_exclusive_access+0x4e/0x70
 [<c01fe498>] reiser4_delete_inode+0x148/0x1a0
 [<c01fe350>] reiser4_delete_inode+0x0/0x1a0
 [<c0160a7d>] generic_delete_inode+0xad/0xe0
 [<c01fe336>] reiser4_drop_inode+0x76/0x90
 [<c0160c6c>] iput+0x5c/0x80
 [<c0156dd0>] vfs_unlink+0xb0/0x1e0
 [<c015702c>] sys_unlink+0x12c/0x130
 [<c010dbc2>] do_syscall_trace+0x62/0xd0
 [<c01092c3>] syscall_call+0x7/0xb

Debug: sleeping function called from illegal context at mm/slab.c:1304
Call Trace:
 [<c0137694>] kmem_flagcheck+0x64/0x70
 [<c0137738>] cache_grow+0x98/0x220
 [<c0137a0e>] cache_alloc_refill+0x14e/0x1c0
 [<c0137ba9>] kmalloc+0x69/0x70
 [<c01fa09b>] bse_alloc+0x1b/0x40
 [<c01fa1d8>] blocknr_set_add+0xa8/0xd0
 [<c01fa24f>] blocknr_set_add_block+0x2f/0x40
 [<c01edc90>] uncapture_page+0xc0/0x120
 [<c01e7003>] longterm_unlock_znode+0xd3/0xe0
 [<c01e94fe>] cut_tree+0x16e/0x1b0
 [<c01fbb03>] get_inode_oid+0x13/0x30
 [<c0205f4f>] unix_key_by_inode+0x2f/0x60
 [<c0216a6e>] shorten_file+0x8e/0x270
 [<c0216f05>] unix_file_truncate+0x175/0x190
 [<c01fdb25>] truncate_object+0x55/0x100
 [<c01eb72f>] reiser4_grab_space_exact+0x2f/0x40
 [<c0218ade>] get_exclusive_access+0x4e/0x70
 [<c01fe498>] reiser4_delete_inode+0x148/0x1a0
 [<c01fe350>] reiser4_delete_inode+0x0/0x1a0
 [<c0160a7d>] generic_delete_inode+0xad/0xe0
 [<c01fe336>] reiser4_drop_inode+0x76/0x90
 [<c0160c6c>] iput+0x5c/0x80
 [<c0156dd0>] vfs_unlink+0xb0/0x1e0
 [<c015702c>] sys_unlink+0x12c/0x130
 [<c010dbc2>] do_syscall_trace+0x62/0xd0
 [<c01092c3>] syscall_call+0x7/0xb

Debug: sleeping function called from illegal context at mm/slab.c:1304
Call Trace:
 [<c0137694>] kmem_flagcheck+0x64/0x70
 [<c0137738>] cache_grow+0x98/0x220
 [<c0137a0e>] cache_alloc_refill+0x14e/0x1c0
 [<c0137ba9>] kmalloc+0x69/0x70
 [<c01fa09b>] bse_alloc+0x1b/0x40
 [<c01fa1d8>] blocknr_set_add+0xa8/0xd0
 [<c01fa24f>] blocknr_set_add_block+0x2f/0x40
 [<c01edc90>] uncapture_page+0xc0/0x120
 [<c01e7003>] longterm_unlock_znode+0xd3/0xe0
 [<c01e94fe>] cut_tree+0x16e/0x1b0
 [<c01fbb03>] get_inode_oid+0x13/0x30
 [<c0205f4f>] unix_key_by_inode+0x2f/0x60
 [<c0216a6e>] shorten_file+0x8e/0x270
 [<c0216f05>] unix_file_truncate+0x175/0x190
 [<c01fdb25>] truncate_object+0x55/0x100
 [<c01eb72f>] reiser4_grab_space_exact+0x2f/0x40
 [<c0218ade>] get_exclusive_access+0x4e/0x70
 [<c01fe498>] reiser4_delete_inode+0x148/0x1a0
 [<c01fe350>] reiser4_delete_inode+0x0/0x1a0
 [<c0160a7d>] generic_delete_inode+0xad/0xe0
 [<c01fe336>] reiser4_drop_inode+0x76/0x90
 [<c0160c6c>] iput+0x5c/0x80
 [<c0156dd0>] vfs_unlink+0xb0/0x1e0
 [<c015702c>] sys_unlink+0x12c/0x130
 [<c010dbc2>] do_syscall_trace+0x62/0xd0
 [<c01092c3>] syscall_call+0x7/0xb

Debug: sleeping function called from illegal context at mm/slab.c:1304
Call Trace:
 [<c0137694>] kmem_flagcheck+0x64/0x70
 [<c0137738>] cache_grow+0x98/0x220
 [<c0137a0e>] cache_alloc_refill+0x14e/0x1c0
 [<c0137ba9>] kmalloc+0x69/0x70
 [<c01fa09b>] bse_alloc+0x1b/0x40
 [<c01fa1d8>] blocknr_set_add+0xa8/0xd0
 [<c01fa24f>] blocknr_set_add_block+0x2f/0x40
 [<c01edc90>] uncapture_page+0xc0/0x120
 [<c01e7003>] longterm_unlock_znode+0xd3/0xe0
 [<c01e94fe>] cut_tree+0x16e/0x1b0
 [<c01fbb03>] get_inode_oid+0x13/0x30
 [<c0205f4f>] unix_key_by_inode+0x2f/0x60
 [<c0216a6e>] shorten_file+0x8e/0x270
 [<c0216f05>] unix_file_truncate+0x175/0x190
 [<c01fdb25>] truncate_object+0x55/0x100
 [<c01eb72f>] reiser4_grab_space_exact+0x2f/0x40
 [<c0218ade>] get_exclusive_access+0x4e/0x70
 [<c01fe498>] reiser4_delete_inode+0x148/0x1a0
 [<c01fe350>] reiser4_delete_inode+0x0/0x1a0
 [<c0160a7d>] generic_delete_inode+0xad/0xe0
 [<c01fe336>] reiser4_drop_inode+0x76/0x90
 [<c0160c6c>] iput+0x5c/0x80
 [<c0156dd0>] vfs_unlink+0xb0/0x1e0
 [<c015702c>] sys_unlink+0x12c/0x130
 [<c010dbc2>] do_syscall_trace+0x62/0xd0
 [<c01092c3>] syscall_call+0x7/0xb

Debug: sleeping function called from illegal context at mm/slab.c:1304
Call Trace:
 [<c0137694>] kmem_flagcheck+0x64/0x70
 [<c0137738>] cache_grow+0x98/0x220
 [<c0137a0e>] cache_alloc_refill+0x14e/0x1c0
 [<c0137ba9>] kmalloc+0x69/0x70
 [<c01fa09b>] bse_alloc+0x1b/0x40
 [<c01fa1d8>] blocknr_set_add+0xa8/0xd0
 [<c01fa24f>] blocknr_set_add_block+0x2f/0x40
 [<c01edc90>] uncapture_page+0xc0/0x120
 [<c01e7003>] longterm_unlock_znode+0xd3/0xe0
 [<c01e94fe>] cut_tree+0x16e/0x1b0
 [<c01fbb03>] get_inode_oid+0x13/0x30
 [<c0205f4f>] unix_key_by_inode+0x2f/0x60
 [<c0216a6e>] shorten_file+0x8e/0x270
 [<c0216f05>] unix_file_truncate+0x175/0x190
 [<c01fdb25>] truncate_object+0x55/0x100
 [<c01eb72f>] reiser4_grab_space_exact+0x2f/0x40
 [<c0218ade>] get_exclusive_access+0x4e/0x70
 [<c01fe498>] reiser4_delete_inode+0x148/0x1a0
 [<c01fe350>] reiser4_delete_inode+0x0/0x1a0
 [<c0160a7d>] generic_delete_inode+0xad/0xe0
 [<c01fe336>] reiser4_drop_inode+0x76/0x90
 [<c0160c6c>] iput+0x5c/0x80
 [<c0156dd0>] vfs_unlink+0xb0/0x1e0
 [<c015702c>] sys_unlink+0x12c/0x130
 [<c010dbc2>] do_syscall_trace+0x62/0xd0
 [<c01092c3>] syscall_call+0x7/0xb

reiser4[ls(7650)]: node40_parse (fs/reiser4/plugin/node/node40.c:681)[nikita-494]:
WARNING: Wrong level found in node: 2 != 1
Unable to handle kernel paging request at virtual address 420d5090
 printing eip:
420d5090
*pde = 05f5e067
*pte = 00000000
Oops: 0004
 
CPU:    0
EIP:    0023:[<420d5090>]    Not tainted
EFLAGS: 00010282
EIP is at E Using_Versions+0x420d508f/0xc011ccbf
eax: bfffd9a0   ebx: 4212a2d0   ecx: 4211e3c8   edx: 421224c4
esi: 42122e2b   edi: 0805aa38   ebp: bfffd978   esp: bfffd90c
ds: 002b   es: 002b   ss: 002b
Process ls (pid: 7650, threadinfo=c3a4e000 task=c59fc0e0)
 <6>note: ls[7650] exited with preempt_count 1
Debug: sleeping function called from illegal context at include/linux/rwsem.h:43
Call Trace:
 [<c011c9c0>] profile_exit_task+0x20/0x60
 [<c011fc97>] do_exit+0x77/0x2a0
 [<c010a285>] die+0x85/0x90
 [<c0115f77>] do_page_fault+0x157/0x49e
 [<c015e1b0>] dput+0x30/0x130
 [<c01497df>] __fput+0xbf/0x100
 [<c01471f4>] filp_close+0x74/0xa0
 [<c0115e20>] do_page_fault+0x0/0x49e
 [<c0109ca5>] error_code+0x2d/0x38