Marc-Christian Petersen writes:
> On Thursday 31 October 2002 19:18, Nikita Danilov wrote:
>
> Hi Nikita,
>
> > > Forbidden
> > > You don't have permission to access
> > > /snapshots/2002.10.31/reiser4progs-0.1.0.tar.gz on this server.
> > > Apache/1.3.23 Server at thebsh.namesys.com Port 80
> > > The directory itself does _not_ contain any reiserfs progs.
> > Fixed.
> thank you :)
>
> ok, here we go: 2.5.45, Reiser4 patches from today.
>
> Mounting newly created Reiser4 partition:
>
> Debug: sleeping function called from illegal context at mm/page_alloc.c:409
> Call Trace:
> [<c01152b4>] __might_sleep+0x54/0x60
> [<c01326ac>] __alloc_pages+0x24/0x278
> [<c0132928>] __get_free_pages+0x28/0x60
> [<c0115563>] dup_task_struct+0x47/0xbc
> [<c0115f28>] copy_process+0xa0/0xa40
> [<c01e10f0>] ide_do_request+0x2d4/0x334
> [<c01168eb>] do_fork+0x23/0xa8
> [<e4a4f380>] kdaemon+0x0/0x40 [reiser4]
> [<c0105574>] kernel_thread+0x74/0x8c
> [<e4a4f380>] kdaemon+0x0/0x40 [reiser4]
> [<e4a209a0>] ktxnmgrd+0x0/0x1e4 [reiser4]
> [<e4a4f380>] kdaemon+0x0/0x40 [reiser4]
> [<c01054f4>] kernel_thread_helper+0x0/0xc
kernel_thread() is called under spin-lock.
> [<e4a20c33>] ktxnmgrd_attach+0x53/0x88 [reiser4]
[...]
> [<c0106f13>] syscall_call+0x7/0xb
>
> /dev/hda7 on /opt/squid/cache type reiser4
> (rw,noexec,nosuid,nodev,noatime,nodiratime)
>
> After creating 100,000 files (time seq -f "%06.0f" 1 100000 | xargs touch),
> I got _TONS_ of this:
>
> Debug: sleeping function called from illegal context at
> include/asm/semaphore.h:119
> Call Trace:
> [__might_sleep+84/96] __might_sleep+0x54/0x60
> [<e4a42a76>] ABSOLUTE_MIN_OID+0x13e/0x580 [reiser4]
> [<e4a3347c>] load_and_lock_bnode+0x14/0x1a4 [reiser4]
missed spin_unlock()/spin_lock() in flush_one_atom().
> [<e4a42a76>] ABSOLUTE_MIN_OID+0x13e/0x580 [reiser4]
[...]
> [<c01054f9>] kernel_thread_helper+0x5/0xc
> [<e4a4f380>] kdaemon+0x0/0x40 [reiser4]
>
>
> and also _TONS_ of this:
>
> Debug: sleeping function called from illegal context at
> include/asm/semaphore.h:119
> Call Trace:
> [<c01152b4>] __might_sleep+0x54/0x60
> [<e4a42a76>] ABSOLUTE_MIN_OID+0x13e/0x580 [reiser4]
> [<e4a3347c>] load_and_lock_bnode+0x14/0x1a4 [reiser4]
This is unclear.
> [<e4a42a76>] ABSOLUTE_MIN_OID+0x13e/0x580 [reiser4]
> [<e4a33e07>] bitmap_pre_commit_hook+0x12f/0x2b7 [reiser4]
[...]
>
> Does not occur with ReiserFS 3 from 2.5.45 nor with any other FS doing those
> small stress test. My personal impression is that Reiser4 is slower than 3 but
> that might be because of above debugging.
Run-time checks usually make reiser4 orders of magnitude slower.
>
> I hope this helps.
Yes. Thanks a lot.
>
> ciao, Marc
>
Nikita.
>
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This archive was generated by hypermail 2b29 : Thu Oct 31 2002 - 22:00:56 EST