Re: watchdog: deadlock warning with imx2_wdt driver and systemd

2016-04-21 Thread Clemens Gruber
On Wed, Apr 20, 2016 at 09:30:07PM -0700, Guenter Roeck wrote: > > Hi Clemens, > > fix is to drop the call to cancel_delayed_work_sync() from watchdog_release(). > Turns out the call is not necessary. > > I'll send a proper patch in the next couple of days. > > Guenter > Hi Guenter, thank yo

Re: watchdog: deadlock warning with imx2_wdt driver and systemd

2016-04-20 Thread Guenter Roeck
On 04/17/2016 08:41 AM, Clemens Gruber wrote: Hi, I have an i.MX6Q board with the current mainline tree from Linus and systemd 229, which also acts as watchdog daemon. (RuntimeWatchdogSec=60) Since commit 11d7aba9ceb7 ("watchdog: imx2: Convert to use infrastructure triggered keepalives") I get

Re: watchdog: deadlock warning with imx2_wdt driver and systemd

2016-04-17 Thread Guenter Roeck
On Sun, Apr 17, 2016 at 05:41:07PM +0200, Clemens Gruber wrote: > Hi, > > I have an i.MX6Q board with the current mainline tree from Linus and > systemd 229, which also acts as watchdog daemon. > (RuntimeWatchdogSec=60) > > Since commit 11d7aba9ceb7 ("watchdog: imx2: Convert to use > infrastructu

watchdog: deadlock warning with imx2_wdt driver and systemd

2016-04-17 Thread Clemens Gruber
Hi, I have an i.MX6Q board with the current mainline tree from Linus and systemd 229, which also acts as watchdog daemon. (RuntimeWatchdogSec=60) Since commit 11d7aba9ceb7 ("watchdog: imx2: Convert to use infrastructure triggered keepalives") I get a kernel lockdep warning after systemd launches.