Messages in this thread | | | From | "Rafael J. Wysocki" <> | Date | Sat, 3 Mar 2018 11:00:28 +0100 | Subject | Re: 4.16-rc3 fails to resume on MacBookPro10,1 - |
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On Sat, Mar 3, 2018 at 10:24 AM, Pavel Machek <pavel@ucw.cz> wrote: > Hi! > > On Sat 2018-03-03 17:27:36, Andrew Worsley wrote: >> On 3 March 2018 at 16:41, Andrew Worsley <amworsley@gmail.com> wrote: >> > Basically hangs on resuming after decompressing. The last statement >> > displayed is "resume: Image successfully loaded" >> > - I attach a photo as I can't get access to it >> .... >> > Bug https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=844788 >> > >> > I couldn't get anything from the function keys with this latest kernel. >> ... >> >> By plugging in a USB keyboard I can get sysrq stuff to work - but >> stupidly the kernel disables all the useful ones so I will have to >> compile a new kernel with it set to 1 so I can get some traces. >> Really annoyed by this default setting, presumably from debian? >> Wished there was a boot command line option to configure the allowed > options. > > So hibernation is broken on x86-64? > > Ideas for debugging: > > 1) get that sysrq to work, backtrace where it is hung would be very > useful. > > 2) try v4.15.
That one works for me FWIW.
> 3) try without KPTI enabled. Probably noone knows how it interacts > with that... > > (And 4), we should really start doing some periodic testing of hibernation).
I do that, but the period is not particularly short ...
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