mako: powerd hangs after rapid screen on/off when using compat sf
Bug #1208433 reported by
Seth Forshee
This bug affects 4 people
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
libhybris |
Triaged
|
Medium
|
Unassigned |
Bug Description
Pressing the power button rapidly on mako to make the screen turn on and off quickly will reliably trigger a hang on the powerd main thread. Debugging revealed that the last function called by powerd prior to the hang is either sf_blank() or sf_unblank(), which are never returning. gdb shows that the top of the call stack is somewhere within Android's libc, with /proc/pid/wchan showing that the thread is blocked in the kernel within binder_
Changed in powerd: | |
importance: | Undecided → High |
Changed in powerd: | |
status: | Confirmed → Triaged |
affects: | powerd → libhybris |
summary: |
- mako: powerd hangs after rapid screen on/off + mako: powerd hangs after rapid screen on/off when using compat sf |
Changed in libhybris: | |
importance: | High → Medium |
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