Re: [Bug #13337] [post 2.6.29 regression] hang during suspend of b44/b43 modules

Rafael J. Wysocki
2009-07-09T20:34:33Z

On Thursday 09 July 2009, Johannes Berg wrote:
> On Thu, 2009-07-09 at 22:03 +0200, Rafael J. Wysocki wrote:
> > On Thursday 09 July 2009, Jan Scholz wrote:
> > > Hi,
> > >
> > > I have just checked this on v2.6.31-rc1 and v2.6.31-rc2-214-g34f2547
> > > (I wanted to test this on v2.6.31-rc2 as well, but there I had other
> > > suspend-issues that are fixed in todays v2.6.31-rc2-214-g34f2547)
> > >
> > > For both v2.6.31-rc1 and v2.6.31-rc2-214-g34f2547 suspend to ram fails
> > > with the test procedure described below, but it works fine when I revert
> > > commit 5bb644a0fd25a5e083ecbfaa92a211db99aa6ef7
> > > "mac80211: cancel/restart all timers across suspend/resume"
> >
> > Thanks for the update.
> >
> > Johannes, do you have any idea what can go wrong here?
>
> Not really, no. __ieee80211_suspend isn't holding any locks that the
> cancel_work_sync() calls could require or so afaict...
>
> Jan, can you run with console_suspend=0 (or whatever it is now, Rafael
> will correct me if I'm wrong)

That's just 'no_console_suspend'.

Best,
Rafael