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Message #30881
[Bug 1250498] Re: haswell, no video output after 2nd resume from suspend to disk (S4)
Same in single user mode, so I guess its a kernel issue.
** Package changed: xserver-xorg-video-intel (Ubuntu) => linux (Ubuntu)
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https://bugs.launchpad.net/bugs/1250498
Title:
haswell, no video output after 2nd resume from suspend to disk (S4)
Status in “linux” package in Ubuntu:
Incomplete
Bug description:
I'm trying to enable a reliable hibernate/resume cycle on a intel haswell cpu/gpu system with ubuntu 13.10 +xfce. Until now I've failed, because I get three possible outcomes, when resuming (without seeing any pattern). In all cases pm reports, that 'Image restored successfully'; visible on tty1.
Resulting system states after resume:
i) resume just works fine, everything is o.k
ii) X freezes, screen is completely black, mostly no reaction to key strokes (i.e. can't change to ttyX), but ssh is possible
iii) like ii) but network is not reachable (I'd say a complete freeze)
From situation ii) I got a dmesg (attached), which makes me think,
that intel gpu driver is to blame.
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