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SubjectRe: mmotm 2010-05-11 - dies in pm_qos_update_request()
On Fri, May 14, 2010 at 12:24:50AM +0200, Rafael J. Wysocki wrote:
> On Thursday 13 May 2010, Valdis.Kletnieks@vt.edu wrote:
> > On Wed, 12 May 2010 23:07:20 +0200, "Rafael J. Wysocki" said:
> > > On Wednesday 12 May 2010, Valdis.Kletnieks@vt.edu wrote:
> > > > On Tue, 11 May 2010 18:21:22 PDT, akpm@linux-foundation.org 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@sisk.pl>
> > > > 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...
>
> Then I guess there's an initializations problem somewhere.
>
> Mark, any chance to look into that any time soon? If we don't resolve this
> before the merge window opens, I'm afraid I'll have to revert that commit
> from my tree.
>

I'll look at it right away.

I think I have an e1000e in my home box.

--mgross




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