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Re: Lenovo T420 delays suspend to RAM in stretch (with activated wifi), regression


answering myself: upgrading packages to versions in unstable "solved" the problem, so it seems to be fixed recently, wheras I do not know which package was responsible or its reason.


Gesendet: Sonntag, 01. Januar 2017 um 13:05 Uhr
Von: "foo fighter" <lopiuh@gmx.net>
An: debian-laptop@lists.debian.org
Betreff: Lenovo T420 delays suspend to RAM in stretch (with activated wifi), regression

I would like to help fixing a possible regression in stretch. With activated wifi-network there is an aproximately 5 seconds delay when going to suspend (to RAM) (FN-F4 key or Cinnamon-menu).
With disabled wifi there is instant suspend beahaviour. In wheezy there was no delay with suspend with activated wifi.
Any ideas e.g. which information is required for a bug report and which package should be adressed?
I had this behaviour as well with an older kernel (4.4? in stretch)
wifi is (iwlwifi-6000-4.ucode)
invoke suspend (FN-F4 key or Cinnamon-menu)
instant: screensaver
5 second delay in which even a unlock (relogin) is possible.
suspend established
Yours, happy new year

-- System Information:
Debian Release: stretch/sid
  APT prefers testing
  APT policy: (500, 'testing')
Architecture: amd64 (x86_64)
Kernel: Linux 4.8.0-2-amd64 (SMP w/4 CPU cores)
Locale: LANG=de_DE.UTF-8, LC_CTYPE=de_DE.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)
Versions of packages firmware-linux-nonfree depends on:
ii  firmware-amd-graphics  20161130-2
ii  firmware-misc-nonfree  20161130-2
Versions of packages firmware-linux-nonfree recommends:
ii  amd64-microcode  3.20160316.3
ii  intel-microcode  3.20161104.1
firmware-linux-nonfree suggests no packages.
-- no debconf information

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