1119156 - [Flame][Dialer]When you press "EMERGENCY CALL" key in lock screen several times, a black view will flash past.

Status: RESOLVED DUPLICATE of bug 1091548

(Firefox OS Graveyard :: Gaia::Dialer, defect)

Description

[SandKing]

[1.Description]:
[Flame][v2.1&v2.2][Dialer]Enable "Passcode lock" in "Settings"-> "Screen lock" then  press "EMERGENCY CALL"  key in lock screen several times, a black view will flash past.
Found Time:18:58
Bug log:"logcat_1858.txt"
Bug video:"1858.MP4"

[2.Testing Steps]: 
1. Enable "Passcode lock" in "Settings"-> "Screen lock".
2. Press "Power" key to lock the device.
3. Unlock device and press "EMERGENCY CALL"  key.
4. Input some digits in dial pad and then tap the "Cancel" key.
5. Repeat step 3--4 for 3 to-5 times

[3.Expected Result]: 
5. It will load to dial page without black view.

[4.Actual Result]: 
5. Around 4 times, a black view will flash past.

[5.Reproduction build]: 
Flame 2.1 build:
Gaia-Rev        b04a8cb7b2482e0a44e6702b48c42283a00b5b1e
Gecko-Rev       https://hg.mozilla.org/releases/mozilla-b2g34_v2_1/rev/99cea2c818f6
Build-ID        20150107001244
Version         34.0
Device-Name     flame
FW-Release      4.4.2
FW-Incremental  eng.cltbld.20150107.035133
FW-Date         Wed Jan  7 03:51:45 EST 2015
Bootloader      L1TC000118D0

Flame 2.2 build:
Gaia-Rev        69ac77cfa938fae2763ac426a80ca6e5feb6ad25
Gecko-Rev       https://hg.mozilla.org/mozilla-central/rev/33781a3a5201
Build-ID        20150107010216
Version         37.0a1
Device-Name     flame
FW-Release      4.4.2
FW-Incremental  eng.cltbld.20150107.044401
FW-Date         Wed Jan  7 04:44:12 EST 2015
Bootloader      L1TC000118D0

[6.Reproduction Frequency]: 
occasionally Recurrence,8/30

[7.TCID]: 
Free Test

Comment 1

[SandKing]

Attachment: Bug video:1858.mp4

Comment 2

[SandKing]

Attachment: Bug log: logcat_1858.txt

Comment 3

[Mike Lien[:mlien]]

Hi Gabriele, could you help to check with it, thanks.

Comment 4

[Gabriele Svelto [:gsvelto] (PTO)]

(In reply to Mike Lien[:mlien] from comment #3)
> Hi Gabriele, could you help to check with it, thanks.

Hard to tell, my guess is that it might be caused by some issue in the system app's window management code but I can't be sure.