Hello John, On Thu, Sep 29, 2011 at 12:04:38AM +1000, John O'Hagan wrote: > On Tue, 27 Sep 2011 14:59:53 +0200 > Uwe Kleine-König <u.kleine-koe...@pengutronix.de> wrote: > > > On Tue, 27 Sep 2011 00:45:01 -0500 > > > Jonathan Nieder <jrnie...@gmail.com> wrote: > > > > 3. Since hey, one can be lucky sometimes: is it possible to > > > > catch the failure as it happens, for example by not suspending > > > > the console and suspending everything else? See > > > > > > > > > > > > https://raw.github.com/torvalds/linux/master/Documentation/power/basic-pm-debugging.txt > > > > > > > > https://raw.github.com/torvalds/linux/master/Documentation/networking/netconsole.txt > > > > > > > > (or the analagously named files in the linux-doc-3.0.0 > > > > package) for hints in that direction. > > > > > > This is a little out of my comfort zone, but I did follow the > > > procedure in the first link, running the sequential tests with > > > /sys/power/pm_test. "freezer", "devices" and "platform" tests all > > > work, the failure occurs with "processors", both for STR and STD. > > > IFACT from the link, this means the problem is not with a driver but > > > with processor states? But my laptop only has a single processor > > > (even though in /sys/devices/system/cpu/ there is cpu0 and cpu1, > > > only the latter has a file "online" mentioned in the link, is this > > > relevant?). > > Did you try adding > > > > no_console_suspend > > > > to the kernel commandline? > > I have now: for STR, the screen goes blank so if the freeze occurs I > don't get to see any messages. For STD, all messages are normal up to > and including the one that says the image is being saved (didn't note > the exact wording), and there it stops. As netconsole doesn't work on -rt IIRC do you can try using a serial console?
> Should I go ahead with a report to linux-rt-users as Jonathan has > advised? You can try, but I already asked in the linux-rt irc channel and Thomas has no idea and doesn't seem to be interested to look deeper. Best regards Uwe -- Pengutronix e.K. | Uwe Kleine-König | Industrial Linux Solutions | http://www.pengutronix.de/ | -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org