Crash after 'reboot' due to 9be4fd2c7723a

[Rafael J. Wysocki]

On Sat, May 21, 2016 at 2:30 AM, Rafael J. Wysocki <rafael at kernel.org> wrote:
> On Sat, May 21, 2016 at 2:12 AM, Fabio Estevam <festevam at gmail.com> wrote:
>> On Fri, May 20, 2016 at 6:59 PM, Rafael J. Wysocki <rafael at kernel.org> wrote:
>>
>>> Can you please try to boot and change the cpufreq governor to
>>> performance and back and see if that works?
>>
>> I cannot change to governor with 9be4fd2c7723a305.
>>
>> After running 'cat performance >
>> /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor'
>> the system hangs silently.
>
> So this means that irq_work doesn't really work on your system at all.
> It looks like queuing up an irq_work sort of works (because the
> IRQ_WORK_BUSY), but then the queue is never processed.

I wanted to say "because the IRQ_WORK_BUSY flag is set", sorry.