[ltp] Re: USB not responding after sleep w/acpi

[John Sullivan]

Joshua Kwan <joshk@triplehelix.org> writes:

> Hi John,
>
> John Sullivan wrote:
>> When I wake my X40 back up from acpi sleep, the USB ports stop
>> responding. The devices that are plugged in no longer work, and the kernel
>> does not produce any messages when devices are unplugged or plugged.
>> 
>> I've tried restarting the hotplug services (I'm using Debian unstable), but
>> that doesn't change anything. Removing the loaded USB modules and then
>> modprobing them all again also doesn't seem to change anything. Of course if
>> I reboot, everything's normal again.
>> 
>> I'm using a 2.6.10 kernel.
>
> Word has it that it's still a problem in 2.6.12, but in this case, reloading
> the USB modules *will* work. Have you tried that? (apt-get install
> linux-image-2.6.12-1-{yourvariant}.)
>
> If you could confirm this with the Debian kernel image (or build one yourself,
> if you like) then I'd like to know!
>

Hi Joshua,

Since writing the first message, I did upgrade to the Debian stock 2.6.12 686
kernel. At first I was happy, because the USB ports were still active after
waking up from sleep. However, just this morning, they were dead again. But,
restarting the hotplug service did bring them back.


-- 
-johnsu01
-http://www.wjsullivan.net