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Subject: RE: Oops in fs_enet driver with preempt-rt
Date: Tue, 20 May 2008 11:08:11 -0500
Message-ID: <DCEAAC0833DD314AB0B58112AD99B93B046E73B2@ismail.innsys.innovsys.com>
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Thread-Topic: Oops in fs_enet driver with preempt-rt
Thread-Index: Aci6j+qGmUR9lQ+MRHqlsVv3mYJHBgAA4ivw
References: <DCEAAC0833DD314AB0B58112AD99B93B046E728C@ismail.innsys.innovsys.com> <DCEAAC0833DD314AB0B58112AD99B93B046E72C3@ismail.innsys.innovsys.com> <4832F139.1020502@freescale.com>
From: "Rune Torgersen" <runet@innovsys.com>
To: "Scott Wood" <scottwood@freescale.com>
Cc: <linux-kernel@vger.kernel.org>, <linuxppc-dev@ozlabs.org>,
       <netdev@vger.kernel.org>
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Scott Wood wrote:
> Rune Torgersen wrote:
>> 0xc0196d84 is in fs_enet_interrupt
>> (drivers/net/fs_enet/fs_enet-main.c:473).
>> 468                     if (fpi->use_napi)
>> 469                             int_clr_events &= ~fep->ev_napi_rx;
>> 470 471                     (*fep->ops->clear_int_events)(dev,
>> int_clr_events); 472
>> 473                     if (int_events & fep->ev_err)
>> 474                             (*fep->ops->ev_error)(dev,
>> int_events); 475 476                     if (int_events &
>> fep->ev_rx) { 477                             if (!fpi->use_napi)
>> (gdb)
> 
> Do you have shared interrupt debugging turned on?  That breaks this
> driver, and a patch to remove the shared flag was nacked in favor of
> actually fixing the driver, which I haven't gotten around to.
> 
> -Scott

Thanks!!
That worked. Now I just have to get highmem support...