Re: 2.6.23-mm1

Zan Lynx
2007-10-15T16:13:55Z

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On Fri, 2007-10-12 at 14:00 -0700, Andrew Morton wrote:
> On Fri, 12 Oct 2007 22:38:25 +0200
> Laurent Riffard <laurent.riffard@free.fr> wrote:
>
> > Le 12.10.2007 06:31, Andrew Morton a écrit :
> > > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.23/2.6.23-mm1/
> >
> > Mounting reiser4 fs does hang with these messages in dmesg:
> >
> > Loading Reiser4. See www.namesys.com for a description of Reiser4.
> > reiser4[swapper(0)]: end_bio_single_page_read (fs/reiser4/page_cache.c:331)[nikita-3332]:
> > WARNING: Truncated single page read: 4096
> >
> > Hitting SysRq-W produces this output:
> >
> > SysRq : Show Blocked State
> > task PC stack pid father
> > mount D c20d6b70 1592 2509 2495
> > c229bbd8 00000046 c239d684 c20d6b70 e0824b8d c229bc10 00000000 c229bc18
> > c229bbe0 c02ac14e c229bbe8 c0141b7b c229bc04 c02ac344 c0141b45 c1402654
> > c1045f60 c1045f60 c229bc10 c229bc30 c0141d6e 00000002 c1045f60 00000000
> > Call Trace:
> > [<c02ac14e>] io_schedule+0xe/0x16
> > [<c0141b7b>] sync_page+0x36/0x3a
> > [<c02ac344>] __wait_on_bit+0x36/0x5d
> > [<c0141d6e>] wait_on_page_bit+0x55/0x5b
> > [<e1c0e1a6>] jload_gfp+0x73/0x163 [reiser4]
> > [<e1c1c7f8>] load_journal_control_block+0x4d/0x77 [reiser4]
> > [<e1c1c86e>] reiser4_init_journal_info+0x2b/0x54 [reiser4]
> > [<e1c454e6>] init_format_format40+0x79/0x4ab [reiser4]
> > [<e1c21cf8>] fill_super+0xce/0x1ee [reiser4]
> > [<c015f731>] get_sb_bdev+0xe0/0x11e
> > [<e1c21a8f>] reiser4_get_sb+0x13/0x15 [reiser4]
> > [<c015f336>] vfs_kern_mount+0x3b/0x76
> > [<c0171621>] do_mount+0x68a/0x7a3
> > [<c01717a2>] sys_mount+0x68/0xa4
> > [<c0103dee>] sysenter_past_esp+0x5f/0x99
> > =======================
>
> ho hum. Maybe reiser4 needs updating for the git-block changes.
>
> I don't recall having seen a useful description of what's going on
> in git-block so some reverse-engineering might be needed.

Hmm. I can add more data to this. My x86_64 mode laptop is running
2.6.23-mm1 with Reiser4 and does not experience problems.

I am using 64-bit kernel, libata (I think, whatever the SCSI-like PATA
is called), and Reiser4. Both libata and Reiser4 are built-in, not
modules.
--
Zan Lynx <zlynx@acm.org>

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