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From: Kalle Valo <kvalo@qca.qualcomm.com>
To: Avery Pennarun <apenwarr@gmail.com>
Cc: Ben Greear <greearb@candelatech.com>,
	ath10k <ath10k@lists.infradead.org>
Subject: Re: FYI: msdu-desc must be multiple of 8.
Date: Tue, 27 May 2014 12:45:24 +0300	[thread overview]
Message-ID: <87bnujblmz.fsf@kamboji.qca.qualcomm.com> (raw)
In-Reply-To: <CAHqTa-3xqtoU+hTazpRJZCMQX27Uyyi0HFjkJ9LvrGCd2Mv4vg@mail.gmail.com> (Avery Pennarun's message of "Tue, 13 May 2014 20:17:55 -0400")

Avery Pennarun <apenwarr@gmail.com> writes:

> On Tue, May 13, 2014 at 6:50 PM, Ben Greear <greearb@candelatech.com> wrote:
>> As an aside, if you do manage to crash firmware in this manner, it also
>> takes down the host when it tries to clean up the stale tx buffers.  Possibly
>> that bug is just due to some of my own patches, but might be worth investigating
>> some day when I have more time and a cleaner tree...
>
> At least on my boxes, firmware crashes lead to kernel panics pretty
> often, say 1/3 of the time.  There appear to be lots of ways the
> cleanups are still not happening properly on a firmware crash.

I just merged a patch from Michal which I think is related:

7147a13135ee ath10k: protect src_ring state with ce_lock in tx_sg()

Did that help? If not, any chance to get more info? I know these kind of
crashes don't usually provide much information, but even small hints
help.

-- 
Kalle Valo

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      reply	other threads:[~2014-05-27  9:45 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-05-13 22:34 FYI: msdu-desc must be multiple of 8 Ben Greear
2014-05-13 22:42 ` Avery Pennarun
2014-05-13 22:50   ` Ben Greear
2014-05-14  0:17     ` Avery Pennarun
2014-05-27  9:45       ` Kalle Valo [this message]

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