Thread (28 messages) 28 messages, 9 authors, 2005-11-23

Re: 2.6.14 USB vs. sleep issues

From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Date: 2005-11-16 21:02:02

On Wed, 2005-11-16 at 19:09 +0100, Wolfgang Pfeiffer wrote:
On Thu, Nov 03, 2005 at 05:33:39PM +1100, Benjamin Herrenschmidt wrote:
quoted
For those who experience crashes on sleep and/or wakeup (typically due
to USB) with 2.6.14, I made a test patch that might help. [ ... ]
Ben, I just compiled and installed a 2.6.14.1 from kernel.org with
none of your patches from this thread applied to it, and I have no
sleep/wakeup probs with it so far: about 3 instances of sleep/wakeup
until now, all of them successful.

Maybe I even made it a bit more complicated for the system, as I
connected a USB HUB, with 4 ports, to the machine: It just seems to
work ...
Only newer machines with a NEC USB2 chip that shares interrupts appear
to be affected by the problem.

Ben.
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