[Bug 76761] New: radeon driver breaks suspend to disk and resume from RAM in 3.14

bugzilla-daemon at bugzilla.kernel.org bugzilla-daemon at bugzilla.kernel.org
Thu May 22 12:35:12 PDT 2014


            Bug ID: 76761
           Summary: radeon driver breaks suspend to disk and resume from
                    RAM in 3.14
           Product: Drivers
           Version: 2.5
    Kernel Version: 3.14.4 (debian 3.14.4-1 amd64)
          Hardware: All
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: high
          Priority: P1
         Component: Video(DRI - non Intel)
          Assignee: drivers_video-dri at kernel-bugs.osdl.org
          Reporter: vitalif at yourcmc.ru
        Regression: Yes


The suspend/resume has broken again on my laptop with the 3.14 kernel. But it
works without any problem when I boot without radeon module, so I assume it's
the case.

The problem detail is:
- machine suspends to RAM without problem, but does not resume (hangs with
black screen during resume)
- machine does not suspend to disk (just hangs with black screen after
"snapshotting system", magic sysrq doesn't work so I assume that's an "oops"),
neither via s2disk or echo disk > /sys/power/state

Without the radeon module, everything works OK; the card is RV730.

Are there any other details I should provide?

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