Re: systemd failing with vfs-scale-working patch-set (kdb-2/2)

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On Wed, Dec 01, 2010 at 05:25:54PM +0100, Sedat Dilek wrote:
> On Mon, Nov 29, 2010 at 2:55 PM, Nick Piggin <npiggin@xxxxxxxxx> wrote:
> > On Mon, Nov 29, 2010 at 02:36:41PM +0100, Sedat Dilek wrote:
> >> On Mon, Nov 29, 2010 at 1:55 PM, Sedat Dilek <sedat.dilek@xxxxxxxxxxxxxx> wrote:
> >> > Hi,
> >> >
> >> > I have tried the vfs-scale-working patch-set from [1] (GIT tree see [2]).
> >> > Unfortunately, I cannot boot my Debian/sid i386 system with systemd
> >> > (system freezes) but with sysvinit.
> >> > I have attached a screenshot of the Call-trace, hope this helps.
> >> >
> >> > What I tried to get things worjing is:
> >> > * Downgrade systemd from v15 down to v12
> >> > * Remove "mtab hackz" [3]
> >> > * Remove native mount feature [4] (also in combination with "mtab hackz")
> >> > * Mask systemd-remount-api-vfs.service (for testing purposes)
> >> >
> >> > Not sure what the real problem is (as it is very early), but sysvinit is fine.
> >> >
> >> > # cat /proc/cmdline
> >> > BOOT_IMAGE=/boot/vmlinuz-2.6.37-rc3-686
> >> > root=UUID=1ceb69a7-ecf4-47e9-a231-b74e0f0a9b62 ro radeon.modeset=1
> >> > lapic 3 init=/sbin/init.sysvinit
> >> >
> >> > How can I protocol very early messages (I don't think it makes any
> >> > sense to activate systemd debugging [5] right now)?
> >> > Any advices for this?
> >> >
> >> > Any idea on the Call-trace or digging into the problem?
> >> > Any help appreciated.
> >
> > Thanks for this, it definitely looks like a bug in vfs scale patches.
> >
> > I wonder if you can run with frame pointers turned on to get a more
> > reliable back trace, and then also try to capture the information
> > surrounding the oops.
> >
> > Thanks,
> > Nick
> 
> 2nd screenshot from a kbd-session.

OK, thanks. Can you send a disasm of fs/namei.o, please?

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