Re: iwlwifi warn_slowpath with 3.*

[Antonio Quartulli <ordex@autistici.org>]

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On Wed, May 02, 2012 at 11:39:14AM -0400, John W. Linville wrote:
> On Wed, May 02, 2012 at 10:08:46AM +0300, Emmanuel Grumbach wrote:
> > On Wed, May 2, 2012 at 12:19 AM, Venkataraman, Meenakshi
> > <meenakshi.venkataraman@intel.com> wrote:
> > > Hi Antonio,
> > >
> > >>> it seems so. It happens at least once at boot time.
> > >>> I will try wireless-testing and see what happens. Then I will apply your patch.
> > >>
> > >>The problem is there either with wireless-testing and with
> > >>wireless-testing+your_patch.
> > >>
> > >>If it can somehow help, I also got several stack trace regarding intel_iova
> > >>functions. But then the I got kernel panic and I was not able to copy the
> > >>messages.
> > >
> > > [MV] Depending on how you set it up, perhaps the stack trace was saved in one of the syslog files in /var/log/...
> > >
> > > Thanks!
> > > Meenakshi
> > >
> > 
> > Can you please re-run with debug=1 and send the whole log ?
> > This will give a better indication on when the issue occurs.
> 
> Does this help?
> 
> 	https://bugzilla.redhat.com/show_bug.cgi?id=815998#c18

Hello John,

the patch you provided in comment 17 is not applying on top of
wireless-testing..

Applying: iwlwifi: give PCIe its own lock
error: patch failed: drivers/net/wireless/iwlwifi/iwl-trans-pcie-int.h:226
error: drivers/net/wireless/iwlwifi/iwl-trans-pcie-int.h: patch does not apply
error: patch failed: drivers/net/wireless/iwlwifi/iwl-trans-pcie-rx.c:329
error: drivers/net/wireless/iwlwifi/iwl-trans-pcie-rx.c: patch does not apply
error: patch failed: drivers/net/wireless/iwlwifi/iwl-trans-pcie-tx.c:477
error: drivers/net/wireless/iwlwifi/iwl-trans-pcie-tx.c: patch does not apply
error: patch failed: drivers/net/wireless/iwlwifi/iwl-trans-pcie.c:217
error: drivers/net/wireless/iwlwifi/iwl-trans-pcie.c: patch does not apply
Patch failed at 0001 iwlwifi: give PCIe its own lock


Cheers,

> 
> John
> -- 
> John W. Linville		Someday the world will need a hero, and you
> linville@tuxdriver.com			might be all we have.  Be ready.

-- 
Antonio Quartulli

..each of us alone is worth nothing..
Ernesto "Che" Guevara

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