From: Oliver Hartkopp <socketcan@hartkopp.net>
To: Austin Schuh <austin@peloton-tech.com>
Cc: Wolfgang Grandegger <wg@grandegger.com>, linux-can@vger.kernel.org
Subject: Re: sja1000 interrupt problem
Date: Tue, 12 Nov 2013 22:26:09 +0100 [thread overview]
Message-ID: <52829CF1.4010902@hartkopp.net> (raw)
In-Reply-To: <CANGgnMa6E9wx24YCexcMa=PMCEZBZw9b-Aa1MJR=-3UyDmHdpw@mail.gmail.com>
On 12.11.2013 03:59, Austin Schuh wrote:
>> From the trace it is pretty hard to know which CAN interface is in charge.
>> (2) Can you please add the output of dev->ifindex in the pr_info() calls?
>
> Gladly. See the updated logs.
>
> [ 556.019246] peak_pci 0000:05:00.0 can1: Got an sja1000 interrupt.
> [ 556.019268] Unhandled IRQ 18... stop tracing...
> [ 556.019280] peak_pci 0000:05:00.0 can0: Got an sja1000 interrupt.
> [ 556.019289] peak_pci 0000:05:00.0 can1: Received packet.
> [ 556.019299] peak_pci 0000:05:00.0 can1: sja1000_rx
> [ 556.019307] peak_pci 0000:05:00.0 can0: TX complete.
> [ 556.019318] peak_pci 0000:05:00.0 can0: Returning IRQ_HANDLED
> [ 556.019362] peak_pci 0000:05:00.0 can1: Returning IRQ_HANDLED
>
This looks pretty broken regarding the IRQ handling.
Maybe the IRQ thread handling has a real problem in the -rt kernel ?!?
>> (3) Is it possible to use a standard (non-RT) kernel on your system to confirm
>> this issue on a unmodified system?
>
> It will be a bit of time before I can schedule enough time on the PC
> in question with a non-realtime kernel. I'll see what I can do.
That would be a valuable information to go deeper into this problem.
Thanks,
Oliver
next prev parent reply other threads:[~2013-11-12 21:26 UTC|newest]
Thread overview: 66+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-08 0:47 sja1000 interrupt problem Austin Schuh
2013-10-08 6:32 ` Wolfgang Grandegger
2013-10-08 6:58 ` Oliver Hartkopp
2013-10-08 18:48 ` Austin Schuh
2013-10-08 19:44 ` Wolfgang Grandegger
2013-10-08 20:47 ` Austin Schuh
2013-10-09 6:21 ` Wolfgang Grandegger
2013-10-09 6:31 ` Wolfgang Grandegger
2013-10-09 6:47 ` Wolfgang Grandegger
[not found] ` <CANGgnMZpPGctUWGcg7Lp-QFPc7d6A5GeL9KQYnpeYMR8WukgdA@mail.gmail.com>
2013-11-07 8:15 ` Wolfgang Grandegger
2013-11-07 23:43 ` Austin Schuh
2013-11-09 14:21 ` Oliver Hartkopp
2013-11-12 2:59 ` Austin Schuh
2013-11-12 21:26 ` Oliver Hartkopp [this message]
2013-11-12 23:22 ` Austin Schuh
2013-11-13 3:41 ` Austin Schuh
2013-11-13 6:58 ` Oliver Hartkopp
2013-11-13 9:48 ` Kurt Van Dijck
2013-11-13 6:44 ` Oliver Hartkopp
2013-11-13 8:11 ` Wolfgang Grandegger
2013-11-13 9:08 ` Pavel Pisa
2013-11-13 9:52 ` Wolfgang Grandegger
2013-11-13 18:41 ` Oliver Hartkopp
2013-11-13 19:29 ` Wolfgang Grandegger
2013-11-13 22:00 ` Oliver Hartkopp
2013-11-13 11:02 ` Kurt Van Dijck
2013-11-16 21:42 ` Oliver Hartkopp
2013-11-17 8:18 ` Wolfgang Grandegger
2013-11-17 14:27 ` Oliver Hartkopp
2013-11-17 17:23 ` Wolfgang Grandegger
2013-11-17 20:46 ` Wolfgang Grandegger
2013-11-18 17:08 ` Austin Schuh
2013-12-09 21:54 ` Austin Schuh
2013-12-09 21:54 ` Austin Schuh
2013-12-10 7:49 ` Wolfgang Grandegger
2013-12-10 8:05 ` Austin Schuh
2013-12-10 9:32 ` Wolfgang Grandegger
2013-12-10 13:47 ` Oliver Hartkopp
2013-12-10 14:23 ` Oliver Hartkopp
2013-12-10 14:41 ` Wolfgang Grandegger
2013-12-10 16:05 ` Oliver Hartkopp
2013-12-10 21:12 ` Wolfgang Grandegger
2013-12-11 16:59 ` Oliver Hartkopp
2013-12-11 19:27 ` Wolfgang Grandegger
2013-12-12 6:13 ` Oliver Hartkopp
2013-12-12 17:38 ` Oliver Hartkopp
2013-12-12 22:56 ` Wolfgang Grandegger
2013-12-13 0:07 ` Austin Schuh
2013-12-13 16:16 ` Oliver Hartkopp
2013-12-13 9:38 ` Oliver Hartkopp
2013-12-13 10:04 ` Wolfgang Grandegger
2013-12-13 10:09 ` Wolfgang Grandegger
2013-12-13 16:25 ` Oliver Hartkopp
2013-12-13 17:33 ` Wolfgang Grandegger
2013-12-13 10:07 ` Marc Kleine-Budde
2013-12-13 16:22 ` Oliver Hartkopp
2013-12-13 17:14 ` Oliver Hartkopp
2013-12-13 21:14 ` Oliver Hartkopp
2013-12-14 9:51 ` Oliver Hartkopp
2013-12-20 23:13 ` Austin Schuh
2013-12-21 8:29 ` Wolfgang Grandegger
2013-12-21 13:12 ` Oliver Hartkopp
2013-12-21 12:55 ` Oliver Hartkopp
2013-12-23 15:58 ` Oliver Hartkopp
2013-11-09 19:42 ` Wolfgang Grandegger
[not found] ` <CANGgnMbb+VResUC6h+cK6Hfe5PLJx9R9ao6bMdJM2e5BPaDamw@mail.gmail.com>
2013-11-12 22:15 ` Wolfgang Grandegger
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