Re: mmotm 2010-05-11 - dies in pm_qos_update_request()

From: Valdis . Kletnieks
Date: Thu May 13 2010 - 10:35:52 EST


On Wed, 12 May 2010 23:07:20 +0200, "Rafael J. Wysocki" said:
> On Wednesday 12 May 2010, Valdis.Kletnieks@xxxxxx wrote:
> > On Tue, 11 May 2010 18:21:22 PDT, akpm@xxxxxxxxxxxxxxxxxxxx said:
> > > The mm-of-the-moment snapshot 2010-05-11-18-20 has been uploaded to
> > >
> > > http://userweb.kernel.org/~akpm/mmotm/
> >
> > Dell Latitude E6500, x86_64 kernel.
> >
> > Died a horrid death at boot in the e1000e driver. Seems to be
> > something in linux-next.patch. Didn't get a netconsole trace for obvious
> > reasons...
> >
> > Copied-by-hand traceback:
> > pm_qos_update_request()+0x22
> > e1000_configure+0x478
> > e1000_open_device+0xee
> > ? _raw_notifier_call_chain+0xf
> > __dev_open+0xec
> > dev_open+0x1b
> > netpoll_setup+0x28b
> > init_netconsole+0xbc
> >
> > I suspect this commit:
> >
> > commit 23606cf5d1192c2b17912cb2ef6e62f9b11de133
> > Author: Rafael J. Wysocki <rjw@xxxxxxx>
> > Date: Sun Mar 14 14:35:17 2010 +0000
> >
> > e1000e / PCI / PM: Add basic runtime PM support (rev. 4)
>
> No, I don't think so. I'm running -rc6 with this patch applied on a box with
> e1000e and it works just fine.
>
> Please try to revert this one instead:
>
> http://git.kernel.org/?p=linux/kernel/git/rafael/suspend-2.6.git;a=patch;h=ed77134bfccf5e75b6cbadab268e559dbe6a4ebb

Confirming - reverting that patch and doing the build fixup results in a
kernel that doesn't blow up in the e1000e driver...

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