On Tuesday 01 December 2009, Ferenc Wagner wrote: > "Rafael J. Wysocki" <rjw@xxxxxxx> writes: > > > On Tuesday 01 December 2009, Ferenc Wagner wrote: > >> "Rafael J. Wysocki" <rjw@xxxxxxx> writes: > >> > >>> On Sunday 29 November 2009, Ferenc Wagner wrote: > >>> > >>>> "Rafael J. Wysocki" <rjw@xxxxxxx> writes: > >>>> > >>>>> On Saturday 28 November 2009, Ferenc Wagner wrote: > >>>>> > >>>>>> "Rafael J. Wysocki" <rjw@xxxxxxx> writes: > >>>>>> > >>>>>>> Compile with CONFIG_PM_VERBOSE (it does mean exactly that). > >>>>>> > >>>>>> The last message now was: > >>>>>> > >>>>>> e100: 0000:02:08.0: hibernate, may wakeup > >>>>>> > >>>>>> Looks like hibernating the e100 driver is unstable. > >>>>> > >>>>> Can you verify that by trying to hibernate without the e100 driver? > >>>> > >>>> Not really, as I still can't reliable reproduce the issue. Since I'm > >>>> running with suspend loglevel = 8, it's happened only twice (in a row), > >>>> with seemingly exact same console output. Some earlier freezes also > >>>> happened in dpm_suspend_start, at least. However, I can certainly add > >>>> e100 to SUSPEND_MODULES under /etc/pm/config.d, and continue running > >>>> with that. > >>> > >>> That's what I'd do. > >> > >> That worked out mosty OK (no freeze in quite some hibernation cycles), > >> but I'm continuing testing it. > > > > Great, please let me know how it works out. > > Will do. On the negative side, this tends to confuse NetworkManager. > > >> On the other hand, I reverted 8fbd962e3, recompiled and replaced the > >> module, and got the freeze during hibernation. And that was the bulk of > >> the changes since 2.6.31... I'll revert the rest and test again, but > >> that seems purely cosmetic, so no high hopes. > >> > >>> In addition to that, you can run multiple hibernation/resume cycles in > >>> a tight loop using the RTC wakealarm. > >> > >> I'll do so, as soon as I find a way to automatically supply the dm-crypt > >> passphrase... or even better, learn to hibernate to ramdisk from the > >> initramfs. :) > > > > Well, you don't need to use swap encryption for _testing_. :-) > > I use partition encryption, everything except for /boot is encrypted. If /boot is big enough, you could use a swap file in /boot for the testing. > Apropos: does s2disk perform encryption with a temporary key even if I > don't supply and RSA key, to protect mlocked application data from being > present in the swap after restore? It can do that, but you need to provide a key during suspend and resume. Otherwise it doesn't use a random key, because it would have to store it in the clear in the image header. Thanks, Rafael _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
