On Thu, 2008-06-12 at 13:07 +0200, Lukas Kolbe wrote:
> Hi List,
>
> about twice a day, autofs keeps segfaulting on our main mailhub:
>
> Jun 12 12:53:38 mailin automount[12008]: parse_mount: parse(sun): expanded
> entry: :/users/stud01/stud/juser
> Jun 12 12:53:38 mailin automount[12008]: parse_mount: parse(sun): gathered
> options:
> Jun 12 12:53:38 mailin automount[12008]: parse_mount: parse(sun):
> dequote(":/users/stud01/stud/juser") -> :/users/stud01/stud/juser
> Jun 12 12:53:38 mailin automount[12008]: parse_mount: parse(sun): core of
> entry: options=, loc=:/users/stud01/stud/juser
> Jun 12 12:53:38 mailin automount[12008]: sun_mount: parse(sun): mounting root
> /homes, mountpoint juser, what :/users/stud01/stud/juser, fstype nfs, options
> (null)
> Jun 12 12:53:38 mailin automount[12008]: mount_mount: mount(nfs): root=/homes
> name=juser what=:/users/stud01/stud/juser, fstype=nfs, options=(null)
> Jun 12 12:53:38 mailin automount[12008]: mount_mount: mount(nfs): calling
> mkdir_path /homes/juser
> Jun 12 12:53:38 mailin automount[12008]: mount_mount: mount(nfs): juser is
> local, attempt bind mount
> Jun 12 12:53:38 mailin kernel: automount[15542]: segfault at 0000000000000020
> rip 00002aaaaadff7ff rsp 0000000040421350 error 4
>
> This happend after we upgraded from version 5.0.1 to 5.0.3, and also
> happens with 5.0.2 (with all patches from kernel.org as of June 10
> applied, as specified in patch_order-5.0.2 and patch_order-5.0.3).
>
> I have a core dump that I could provide privately. This didn't happen
> with 5.0.1.
That's not useful to me.
>
> The system is a Debian Etch, kernel 2.6.18-6-xen from debian.
> Any hints on what I can try, e.g. the patches Ian sent earlier today to
> the list?
>
Get me a gdb backtrace.
Use "thr a a bt".
Ian
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