linux-kernel - Re: stuck nfsd processes with 2.6.24-rc2

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Message-ID: <20071114032305.GA28856@fieldses.org>
Date:	Tue, 13 Nov 2007 22:23:05 -0500
From:	"J. Bruce Fields" <bfields@...ldses.org>
To:	Christian Kujau <lists@...dbynature.de>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: stuck nfsd processes with 2.6.24-rc2

On Wed, Nov 14, 2007 at 02:36:18AM +0100, Christian Kujau wrote:
> On Tue, 13 Nov 2007, Christian Kujau wrote:
>> Ah, I forgot about that. Will do as soon as I get a working kernel again. 
>> I'm in the middle of git-bisecting and I had to mark the last 2 versions 
>> as "bad" but only because they 1) Oopsed during boot or 2) could not load 
>> the kernel image:
>
> Same again: after 3 working versions I have to mark yet another one as 
> "bad" - not because the NFS bug showed up, but I was unable to boot again 
> ("linux 'zimage' kernel too big" message again). So now I am at:

Hm, so assuming I got the gitk invocation right.  (I basically just ran
gitk ^goodsha1 ^goodsha2 ...etc... badsha1 badsha2 ... fs/nfsd include/linux/nfsd net/sunrpc /include/linux/sunrpc),
nothing really obvious pops out from that list.  I think the only
nonobvious changes that touch code you're likely to be hitting are the
exportfs rewrite.

Have you checked that the filesystem itself is OK?  (If you 'ls
/path/to/exported/filesystem' on the server does that work?)

Anyway if you get the git-bisect results, that'll be very helpful.  Till
then, yeah, sysrq-T is probably still the first thing to try.

--b.


>
> -------------------------------------
> git-bisect start
> # bad: [6e800af233e0bdf108efb7bd23c11ea6fa34cdeb] ACPI: add documentation for deprecated /proc/acpi/battery in ACPI_PROCFS
> git-bisect bad 6e800af233e0bdf108efb7bd23c11ea6fa34cdeb
> # good: [bbf25010f1a6b761914430f5fca081ec8c7accd1] Linux 2.6.23
> git-bisect good bbf25010f1a6b761914430f5fca081ec8c7accd1
> # good: [fba956c46a72f9e7503fd464ffee43c632307e31] Map volume and brightness events on thinkpads
> git-bisect good fba956c46a72f9e7503fd464ffee43c632307e31
> # bad: [7b1915a989ea4d426d0fd98974ab80f30ef1d779] mm/oom_kill.c: Use list_for_each_entry instead of list_for_each
> git-bisect bad 7b1915a989ea4d426d0fd98974ab80f30ef1d779
> # bad: [c223701cf6c706f42840631c1ca919a18e6e2800] ide: add "hdx=nodma" kernel parameter
> git-bisect bad c223701cf6c706f42840631c1ca919a18e6e2800
> # good: [1d677a6dfaac1d1cf51a7f58847077240985faf2] pm3fb: hardware cursor support
> git-bisect good 1d677a6dfaac1d1cf51a7f58847077240985faf2
> # good: [291702f017efdfe556cb87b8530eb7d1ff08cbae] [ALSA] Support ASUS P701 eeepc [0x1043 0x82a1] support
> git-bisect good 291702f017efdfe556cb87b8530eb7d1ff08cbae
> # good: [92d15c2ccbb3e31a3fc71ad28fdb55e1319383c0] Merge branch 'for-linus' of git://git.kernel.dk/data/git/linux-2.6-block
> git-bisect good 92d15c2ccbb3e31a3fc71ad28fdb55e1319383c0
> # bad: [f77bf01425b11947eeb3b5b54685212c302741b8] kbuild: introduce ccflags-y, asflags-y and ldflags-y
> git-bisect bad f77bf01425b11947eeb3b5b54685212c302741b8
> -------------------------------------
>
> I'm not sure wether it's sane to continue at all ("only 19 revisions 
> left!"); but this has to wait until tomorrow anyway...
>
> @Bruce: sysrq-t will have to wait too, sorry.
>
>
> thanks for any ideas,
> Christian.
> -- 
> BOFH excuse #70:
>
> nesting roaches shorted out the ether cable
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