* Description: When I used below FxOS 2.2 pvt build, usually I got several screen problems listed below: a. screen flashing (at Lockscreen, at Homescreen, at some apps) b. blank screen only has background at Homescreen c. Homescreen only has app names but no app icons d. got stuck at Card View, only software e. slow response when unlock at Lockscreen It is hard to find a STR. It seems easily occur when using Card View or Camera recording. * Env: (before this 2.2 pvt build, this issue does not exist) Build ID 20150325002503 Gaia Revision aeee2a54caa8ffb875b96264b61d742b70689f22 Gaia Date 2015-03-25 03:57:57 Gecko Revision https://hg.mozilla.org/releases/mozilla-b2g37_v2_2/rev/556aca3e50ac Gecko Version 37.0 Device Name flame Firmware(Release) 4.4.2 Firmware(Incremental) eng.cltbld.20150325.041148 Firmware Date Wed Mar 25 04:11:58 EDT 2015 Bootloader L1TC000118D0

Naoki, you might be interested in this bug.

I am

(In reply to Hermes Cheng[:hermescheng] from comment #2) > I am I do not know which product & component would be correct. Please correct it if my input is not correct. Besides, I collect memory report but I think it is not helpful. * Memory report - b2g-info | megabytes | NAME PID PPID CPU(s) NICE USS PSS RSS SWAP VSIZE OOM_ADJ USER b2g 26505 1 72.7 0 103.1 116.2 144.3 0.0 362.8 0 root (Nuwa) 26592 26505 0.5 0 4.1 6.9 22.2 0.0 69.3 -17 root Homescreen 26824 26592 20.3 0 26.2 28.0 44.1 0.0 145.3 8 u0_a26824 Built-in Keyboa 27010 26505 2.3 0 12.7 16.8 31.2 0.0 91.9 12 u0_a27010 Find My Device 27143 26592 1.3 0 7.1 8.8 23.5 0.0 77.8 12 u0_a27143 Settings 27289 26592 6.0 0 16.0 18.2 34.7 0.0 117.2 11 u0_a27289 Video 28224 26592 3.4 0 10.5 12.5 28.9 0.0 118.4 12 u0_a28224 Browser 28574 26592 0.9 0 8.1 9.8 25.4 0.0 100.2 11 u0_a28574 Marketplace 28786 26592 1.3 0 11.0 12.8 28.7 0.0 105.6 10 u0_a28786 Camera 28891 26592 1.7 0 18.3 20.4 36.9 0.0 140.9 2 u0_a28891 (Preallocated a 28973 26592 0.1 0 4.1 6.2 18.0 0.0 73.5 1 u0_a28973 System memory info: Total 1856.0 MB SwapTotal 0.0 MB Used - cache 672.2 MB B2G procs (PSS) 256.8 MB Non-B2G procs 415.4 MB Free + cache 1183.8 MB Free 1046.2 MB Cache 137.7 MB SwapFree 0.0 MB Low-memory killer parameters: notify_trigger -1 KB oom_adj min_free

https://bugzilla.mozilla.org/show_bug.cgi?id=1123762 had landed on v2.2 the day before. I tried turning off the pref and I can't seem to reproduce this bug at all.

Does this only occur on a Nexus 5 or also a flame now?

Also, does this happen on master or only 2.2?

From the logcat: D/skia ( 1577): END /proc/cpuinfo D/skia ( 1577): Device supports ARM NEON instructions! I/OMX-VDEC-1080P( 185): omx_vdec::component_deinit() complete I/OMX-VDEC-1080P( 185): Exit OMX vdec Destructor: fd=17 I/Gecko ( 190): *** UTM:SVC TimerManager:notify - notified timerID: user-agent-updates-timer I/GeckoConsole( 190): UTM:SVC TimerManager:notify - notified timerID: user-agent-updates-timer I/Gecko ( 190): *** UTM:SVC TimerManager:registerTimer - id: user-agent-updates-timer I/GeckoConsole( 190): UTM:SVC TimerManager:registerTimer - id: user-agent-updates-timer E/sdcard ( 204): missing packages.list; retrying E/MP-Decision( 860): Error 1 setting online status to 1 forcpu3 E/MP-Decision( 860): Error 1 setting online status to 1 forcpu3 E/MP-Decision( 860): Error 1 setting online status to 1 forcpu3 E/MP-Decision( 860): Error 1 setting online status to 1 forcpu3 E/MP-Decision( 860): Error 1 setting online status to 1 forcpu3 E/MP-Decision( 860): Error 1 setting online status to 1 forcpu3 That looks bad and unrelated. I see that error for CPUs 1-3.

(In reply to Mason Chang [:mchang] from comment #8) > Also, does this happen on master or only 2.2? Nexus 5 only but both on master and 2.2

This looks more like a hardware composer issue on L than anything with the vsync refresh driver. There looks like a potential race condition issue with enabling vsync and something in the gonk layer. Disable the vsync refresh driver on L until we sort out the hardware composer issues.

@Jerry - Can you please work with Hermes who also resides in Taipei to take a look at this? I don't have a Nexus 5 device. If you can't make progress on this, I can get a Nexus 5.

Comment on attachment 8583931 [details] [diff] [review] Disable Vsync refresh driver on L devices [Approval Request Comment] Bug caused by (feature/regressing bug #): Project Silk, bug 1123762 User impact if declined: Nexus 5 and other L devices will experience graphics issues such as stuttering. Testing completed: Manual testing Risk to taking this patch (and alternatives if risky): Low, this disables the vsync refresh driver on L devices String or UUID changes made by this patch: None

I will check this issue.

This error message is weird. The ioctl write a cmd to device at [1], and the device node("/dev/graphics/fb0") already exists. Diego, do you know why we got this error? E/qdhwcomposer( 190): hwc_vsync_control: vsync control failed. Dpy=0, enable=1 : Operation not supported on transport endpoint [1] http://androidxref.com/5.1.0_r1/xref/hardware/qcom/display/msm8974/libhwcomposer/hwc_vsync.cpp#44

I turn on the vsync-rd with today's m-c build, but I don't get this issue. Still investigating.

I'd rather have a separate bug filed for disabling vsync refresh driver on L, as it will be easy to track since this bug is still going to be open to track the original issue with vsync refresh on. For now, to unblock qa approving the patch and adding check-in needed.

Considering the disabling patch already landed as part of this bug it seems simpler to close this bug and do the work to re-enable it in a new bug.

Create Bug 1149480 to do the re-enable work.

Please don't set checkin-needed on uplifts unless the bug only affects the branch and not master.

NI myself for following verification

Sorry guys, I was on PTO since the 27th. Let's follow up on bug 1149480

I tried below branches and can't reproduce this issue for now. *2.2 Build ID 20150402002500 Gaia Revision 1ceca464053dee4a8bf10ea5abeef724d68c2ff2 Gaia Date 2015-04-01 09:49:30 Gecko Revision https://hg.mozilla.org/releases/mozilla-b2g37_v2_2/rev/427b4da96714 Gecko Version 37.0 Device Name hammerhead Firmware(Release) 5.0 Firmware(Incremental) eng.cltbld.20150402.035523 Firmware Date Thu Apr 2 03:55:37 EDT 2015 Bootloader HHZ12d *master Build ID 20150401180920 Gaia Revision 4bb3a933bd805e8df1e11827cb247754c3565b0b Gaia Date 2015-04-01 02:06:11 Gecko Revision https://hg.mozilla.org/mozilla-central/rev/37ddc5e2eb72 Gecko Version 40.0a1 Device Name hammerhead Firmware(Release) 5.0 Firmware(Incremental) eng.cltbld.20150401.213532 Firmware Date Wed Apr 1 21:35:45 EDT 2015 Bootloader HHZ12d