From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
To: Vinod Adhikary <vinadhy@gmail.com>
Cc: Joerg Roedel <joro@8bytes.org>,
iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] iommu/amd: Use raw_cpu_ptr() instead of get_cpu_ptr() for ->flush_queue
Date: Thu, 21 Sep 2017 17:10:40 +0200 [thread overview]
Message-ID: <20170921151040.szekdgibvojrdzhf@linutronix.de> (raw)
In-Reply-To: <CABp9dQUcXTAX9ggX+TAMHE2oH0SF8bcu47E=UYG9fgJdKBXEVg@mail.gmail.com>
On 2017-09-11 22:22:11 [-0400], Vinod Adhikary wrote:
> Dear all,
Hi,
> Thank you for the great community support and support from Sebastian to
> provide me this patch. I wanted to send this email to inform you and
> perhaps get some information on how I could keep myself updated on updates
> in regards to linux-rt. I apologize if I'm spamming you with this email.
There is a rt-users mailing list, see
https://wiki.linuxfoundation.org/realtime/communication/mailinglists
> I noticed `Bug: Scheduling while atomic` on ahci after building 4.9 rt and
> reported the issue on oftc channel. Sebastian quickly helped me get a patch
> and my `journalctl -f` was clean without any such messages. Yesterday I
> decided to build 4.11 without the patch but I saw a whole bunch of similar
> bug logs not just on ahci but on my nic card as well among a few others.
> There were a few instances where I had to hard shutdown my machine. I
> patched 4.11 with Sebastian's patch again and so far it's been okay for
> about 24 hours and going.
It sounds like the same issue. I taking this for v4.11 RT and v4.9 will
pick it at some point.
> My concern is, how I can provide more information to resolve this issue,
> perhaps in the next release. Please let me know how I can be of help.
usually providing a backtrace like you did to the rt-usrs list is
enough.
> Thank you
Sebastian
prev parent reply other threads:[~2017-09-21 15:10 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-06 10:34 Sebastian Andrzej Siewior
2017-09-19 9:41 ` Joerg Roedel
2017-09-21 15:21 ` [PATCH v2] iommu/iova: Use raw_cpu_ptr() instead of get_cpu_ptr() for ->fq Sebastian Andrzej Siewior
2017-11-02 17:33 ` Sebastian Andrzej Siewior
2017-11-06 15:43 ` Alex Williamson
2017-11-06 16:45 ` Robin Murphy
2017-11-06 20:07 ` Alex Williamson
[not found] ` <CABp9dQUcXTAX9ggX+TAMHE2oH0SF8bcu47E=UYG9fgJdKBXEVg@mail.gmail.com>
2017-09-21 15:10 ` Sebastian Andrzej Siewior [this message]
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