From: Stanislaw Gruszka <sgruszka@redhat.com>
To: "John W. Linville" <linville@tuxdriver.com>
Cc: linux-wireless@vger.kernel.org, Ivo van Doorn <IvDoorn@gmail.com>,
Gertjan van Wingerde <gwingerde@gmail.com>,
Helmut Schaa <helmut.schaa@googlemail.com>,
Amir Hedayaty <hedayaty@gmail.com>
Subject: Re: [PATCH] rt2800pci: handle spurious interrupts
Date: Wed, 23 Nov 2011 09:05:07 +0100 [thread overview]
Message-ID: <20111123080506.GB9833@redhat.com> (raw)
In-Reply-To: <20111122214940.GH8452@tuxdriver.com>
On Tue, Nov 22, 2011 at 04:49:40PM -0500, John W. Linville wrote:
> On Wed, Nov 16, 2011 at 11:09:17AM +0100, Stanislaw Gruszka wrote:
> > Some devices may generate spurious interrupts, we have to handle them
> > otherwise interrupt line will be disabled with below message and driver
> > will not work:
> >
> > [ 2052.114334] irq 17: nobody cared (try booting with the "irqpoll" option)
> > [ 2052.114339] Pid: 0, comm: swapper Tainted: P 2.6.35.6-48.fc14.x86_64 #1
> > [ 2052.114341] Call Trace:
> > [ 2052.114342] <IRQ> [<ffffffff810a6e2b>] __report_bad_irq.clone.1+0x3d/0x8b
> > [ 2052.114349] [<ffffffff810a6f93>] note_interrupt+0x11a/0x17f
> > [ 2052.114352] [<ffffffff810a7a73>] handle_fasteoi_irq+0xa8/0xce
> > [ 2052.114355] [<ffffffff8100c2ea>] handle_irq+0x88/0x90
> > [ 2052.114357] [<ffffffff8146f034>] do_IRQ+0x5c/0xb4
> > [ 2052.114360] [<ffffffff81469593>] ret_from_intr+0x0/0x11
> > [ 2052.114361] <EOI> [<ffffffff8102b7f9>] ? native_safe_halt+0xb/0xd
> > [ 2052.114366] [<ffffffff81010f03>] ? need_resched+0x23/0x2d
> > [ 2052.114367] [<ffffffff8101102a>] default_idle+0x34/0x4f
> > [ 2052.114370] [<ffffffff81008325>] cpu_idle+0xaa/0xcc
> > [ 2052.114373] [<ffffffff81461f2a>] start_secondary+0x24d/0x28e
> > [ 2052.114374] handlers:
> > [ 2052.114375] [<ffffffff81332944>] (usb_hcd_irq+0x0/0x7c)
> > [ 2052.114378] [<ffffffffa00697da>] (rt2800pci_interrupt+0x0/0x18d [rt2800pci])
> > [ 2052.114384] Disabling IRQ #17
> >
> > Resolve:
> > https://bugzilla.redhat.com/show_bug.cgi?id=658451
> >
> > Reported-and-tested-by: Amir Hedayaty <hedayaty@gmail.com>
> > Cc: stable@vger.kernel.org
> > Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
>
> I trust that you saw the comments in the other thread. I have reverted
> this patch and the related rt2x00 one.
I responded there.
> Perhaps there is some way to convince the hardware not to generate
> spurious interrupts?
Ivo, Gertjan, Helmut, is there a possibility that I can get hardware
documentation or any other support from Ralink, that could help to
solve this (and possible other issues)?
Stanislaw
next prev parent reply other threads:[~2011-11-23 8:02 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-16 10:09 [PATCH] rt2800pci: handle spurious interrupts Stanislaw Gruszka
2011-11-16 10:14 ` Ivo Van Doorn
2011-11-16 11:17 ` Stanislaw Gruszka
2011-11-16 11:45 ` Ivo Van Doorn
2011-11-16 10:46 ` Helmut Schaa
2011-11-16 10:52 ` Ivo Van Doorn
2011-11-16 11:01 ` Helmut Schaa
2011-11-22 20:33 ` Michael Basse
2011-11-22 22:10 ` Helmut Schaa
2011-11-23 6:25 ` Michael Basse
[not found] ` <20111123073500.GA9833@redhat.com>
2011-11-23 15:50 ` Michael Basse
2011-11-22 21:49 ` John W. Linville
2011-11-23 8:05 ` Stanislaw Gruszka [this message]
2011-11-23 8:50 ` Ivo Van Doorn
2011-11-23 8:51 ` Helmut Schaa
2011-11-23 10:51 ` Stanislaw Gruszka
[not found] ` <CAHJ2optb4E2r6W2w21oswptZh=_Q9kB+RbQ=F0TWg9zHGjXwZA@mail.gmail.com>
2011-11-23 14:40 ` Stanislaw Gruszka
2011-11-23 14:45 ` Luis Correia
[not found] ` <CAN6fvj2=EhimZUy-DKtpzAKq1mpvBt03KtX9vCi0dBTCXWVsRg@mail.gmail.com>
2011-11-23 15:14 ` Stanislaw Gruszka
2011-11-23 15:44 ` Stanislaw Gruszka
2011-11-23 17:00 ` Stanislaw Gruszka
2011-11-23 20:47 ` David Miller
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20111123080506.GB9833@redhat.com \
--to=sgruszka@redhat.com \
--cc=IvDoorn@gmail.com \
--cc=gwingerde@gmail.com \
--cc=hedayaty@gmail.com \
--cc=helmut.schaa@googlemail.com \
--cc=linux-wireless@vger.kernel.org \
--cc=linville@tuxdriver.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.