From: Dmitry Osipenko <digetx-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: Peter Chen <peter.chen-3arQi8VN3Tc@public.gmane.org>
Cc: "linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
"linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: usb: chipidea: udc: BUG: sleeping function called from invalid context
Date: Thu, 5 Mar 2020 23:53:46 +0300 [thread overview]
Message-ID: <7a142dd4-9ae8-2560-e5be-25648f88a864@gmail.com> (raw)
In-Reply-To: <20200305021226.GA12837@b29397-desktop>
05.03.2020 05:12, Peter Chen пишет:
> On 20-03-04 19:10:08, Dmitry Osipenko wrote:
>> Hello,
>>
>> I was trying out today's linux-next-20200304 and noticed this splat in KMSG:
>>
...
>> I haven't tried to figure out what change causes this problem, it didn't
>> happen using next-20200218. Please take a look, thanks in advance.
>
> Dmitry, thanks for reporting. I haven't met that issue, it maybe I
> enable runtime pm, but you have not? So I don't trigger
> "dev->power.runtime_status != RPM_ACTIVE" condition below
>
> might_sleep_if(!(rpmflags & RPM_ASYNC) && !dev->power.irq_safe &&
> dev->power.runtime_status != RPM_ACTIVE);
The runtime PM always presents on Tegra, do you have
CONFIG_DEBUG_ATOMIC_SLEEP=y in the kernel's config?
> I send the fix patch, but git send-email seems doesn't add auto cc
> according to reported-by tag, so you are not at cc list. Would you
> please have a test?
It fixes the problem, thanks!
next prev parent reply other threads:[~2020-03-05 20:53 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-04 16:10 usb: chipidea: udc: BUG: sleeping function called from invalid context Dmitry Osipenko
[not found] ` <bfa5b2f7-cf52-0055-ffb2-2cb8278a1181-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2020-03-05 2:12 ` Peter Chen
2020-03-05 20:53 ` Dmitry Osipenko [this message]
[not found] ` <7a142dd4-9ae8-2560-e5be-25648f88a864-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2020-03-06 1:53 ` Peter Chen
2020-03-06 2:38 ` Dmitry Osipenko
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