From: Thomas Gleixner <tglx@linutronix.de>
To: John Kacur <jkacur@redhat.com>
Cc: Steven Rostedt <rostedt@goodmis.org>,
Karsten Wiese <fzuuzf@googlemail.com>,
LKML <linux-kernel@vger.kernel.org>,
RT <linux-rt-users@vger.kernel.org>,
"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
Peter Zijlstra <peterz@infradead.org>
Subject: Re: rt-kernel 3.0.14-rt31: BUG: sleeping function called from invalid context
Date: Wed, 25 Jan 2012 12:02:19 +0100 (CET) [thread overview]
Message-ID: <alpine.LFD.2.02.1201251156310.2716@ionos> (raw)
In-Reply-To: <CAONaPpHJM1GKdRCdvw97AsBSRQk1oHUt6u2bGJRoin+e59Wbzg@mail.gmail.com>
[-- Attachment #1: Type: TEXT/PLAIN, Size: 1307 bytes --]
On Thu, 19 Jan 2012, John Kacur wrote:
> On Thu, Jan 19, 2012 at 5:38 PM, Steven Rostedt <rostedt@goodmis.org> wrote:
> > On Thu, 2012-01-19 at 17:16 +0100, John Kacur wrote:
> >
> >> I'm testing v3.0.14-rt32-rc1, and it greatly reduced the number of
> >> these, but I still got one during boot.
> >>
> >> [ 11.938649] BUG: sleeping function called from invalid context at
> >> /home/jkacur/rt.linux.git/kernel/rtmutex.c:645
> >> [ 11.938651] in_atomic(): 1, irqs_disabled(): 1, pid: 168, name: irq/9-acpi
> >> [ 11.938653] 1 lock held by irq/9-acpi/168:
> >> [ 11.938653] #0: (acpi_gbl_gpe_lock){......}, at:
> >> [<ffffffff8123881d>] acpi_ev_gpe_detect+0x31/0x110
> >
> > Could you test 3.2-rt. If that has the issue then we know we have more
> > to fix. If not, we know I missed a patch.
> >
>
> I tested with v3.2-rt10 and the issue is not there.
I'm surprised. I know already what the problem is and according to the
code it should be visible in 3.2 as well. I'm still twisting my head
around that acpi maze to fix that particular one.
> I also examined your patches and couldn't find anything wrong with
> them, and for larks tried applying
> cpumask-disable-offstack-on-rt.patch from v3.2-rt10
> all to no avail, the problem is still there.
What a surprise, it's completely unrelated.
prev parent reply other threads:[~2012-01-25 11:02 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-17 23:22 rt-kernel 3.0.14-rt31: BUG: sleeping function called from invalid context John Kacur
2012-01-17 23:53 ` Karsten Wiese
2012-01-18 1:02 ` Steven Rostedt
2012-01-19 16:16 ` John Kacur
2012-01-19 16:38 ` Steven Rostedt
2012-01-19 21:06 ` John Kacur
2012-01-25 11:02 ` Thomas Gleixner [this message]
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=alpine.LFD.2.02.1201251156310.2716@ionos \
--to=tglx@linutronix.de \
--cc=fzuuzf@googlemail.com \
--cc=jkacur@redhat.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-rt-users@vger.kernel.org \
--cc=paulmck@linux.vnet.ibm.com \
--cc=peterz@infradead.org \
--cc=rostedt@goodmis.org \
/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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox