On Wed, 17 Jan 2018 15:20:42 +0100 Paul Menzel <pmenzel+linux-ftr...@molgen.mpg.de> wrote:
> Dear Linux folks and Dell XPS 13 9360 users, > > > Testing Linux 4.15-rc8 on a Lenovo T60 (32 bit) and Dell XPS 13 9360 (64 > bit) suspend to and resume from ACPI S3 doesn’t work anymore. > `./sleepgraph.py -config config/suspend-callgraph.cfg` [1] is used to > enable the FTRACE framework. > > On the Lenovo T60 the system seems to enter ACPI S3 state just fine, but > doesn’t wake up. > > On the Dell XPS 13 9360 the system doesn’t enter ACPI S3 and just > freezes with the display still on, and the messages below. > > ``` > […] > INITIALIZING FTRACE... > Setting trace buffers to 3145728 kB (786432 kB per cpu) > ``` It's been fixed, and the the patch is in Linus's tree already: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a0e3a18f4baf8e3754ac1e56f0ade924d0c0c721 -- Steve
