On Sun, Nov 10, 2013 at 06:19:58PM +0800, wzyboy wrote:
> 2013/11/9 Bjorn Helgaas <bhelgaas@xxxxxxxxxx>:
> > it might
> > be interesting to do "echo on >
> > /sys/bus/pci/devices/0000:03:00.0/power/control" and see whether it
> > makes a difference.
>
> Hi, should I run this command after the bug? I just ran this after the
> bug occurs, but there is no output in dmesg, and "ip link set wlan0
> up" still returns same error ("RTNETLINK answers: Connection timed
> out").
Run the command before the bug occurs. The idea is to disable run-time
power management. If the problem is that we're turning off power to
the device, disabling power management might make a difference.
Bjorn
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