Bug #117415
测试 Test-IT #111062: V3.0功能测试
测试 Test-IT #111069: AF-V3.0--Launcher/SystemUI-小窗模式入口
【AF】【EVT3】【小窗模式】【偶现一次】进入抖音小窗搜索页面，拖动小窗至mini模式，单击Mini小窗，抖音变为正常小窗后设备卡死，一分钟后重启
| Status: | CLOSED | Start date: | 2023-04-12 | |
|---|---|---|---|---|
| Priority: | Urgent | Due date: | ||
| Assignee: | CD TEST-方永红 | % Done: | 100% | |
| Category: | 窗口定制 | |||
| Target version: | - | |||
| Need_Info: | -- | Found Version: | FlatBuild_HH_MCE_FSE.M.R.user.01.00.0090.C103(X103) | |
| Resolution: | FIXED | Degrated: | -- | |
| Severity: | Critical | Verified Version: | FlatBuild_HH_MCE_FSE.M.R.user.01.00.0095.C103(X103) | |
| Reproducibility: | Rarely | Fixed Version: | ||
| Test Type: | ST | Root cause: | 应该是在updateFreeformStatus切换到Mini态时先拿到了mGlobalLock锁,但是紧接着又调用ATMS#resizeTask方法,这个方法也会去申请mGlobalLock锁,但是updateFreeformStatus方法还没有执行完,锁没有释放,导致resizeTask拿不到锁一直在等待,导致android.anim挂了,设备重启 |
Description
【测试步骤】
1进入抖音小窗搜索页面
2、拖动小窗至mini模式
3、单击Mini小窗
【预期结果】
3、抖音变为正常小窗
【实际结果】
3、抖音变为正常小窗后设备卡死，一分钟后重启
1450.txt 
(4.92 MB)
History
#1 Updated by CD TEST-方永红 about 2 years ago
- Reproducibility changed from Every time to Rarely
#2 Updated by CD FW-鲁凯峰 about 2 years ago
■ Current conclusion
■ My analysis
从trace信息看
at com.android.server.wm.ActivityClientController.updateFreeformStatus(ActivityClientController.java:1008)
- locked <0x098eed5e> (a com.android.server.wm.WindowManagerGlobalLock)
应该是在updateFreeformStatus切换到Mini态时先拿到了mGlobalLock锁,但是紧接着又调用ATMS#resizeTask方法,这个方法也会去申请mGlobalLock锁,但是updateFreeformStatus方法还没有执行完,锁没有释放,导致resizeTask拿不到锁一直在等待,导致android.anim挂了,设备重启
04-11 05:25:42.410 1545 1638 W Watchdog: *** WATCHDOG KILLING SYSTEM PROCESS: Blocked in monitor com.android.server.am.ActivityManagerService on foreground thread (android.fg), Blocked in handler on ui thread (android.ui), Blocked in handler on display thread (android.display), Blocked in handler on animation thread (android.anim), Blocked in handler on surface animation thread (android.anim.lf)
■ Submit URL
https://dev.thundercomm.com/gerrit/c/general/platform/frameworks/base/+/193267
#3 Updated by IoT scm about 2 years ago
| ID | Project | Branch | Uploader |
| 193267 | general/platform/frameworks/base | Pre_figure_turbox-c2130c-la1.1-qssi12-dev | lukf0916@thundersoft.com |
| AF:MultiWindow: fix reboot avoid to use ATMS#resize to hold WindowManagerGlobalLock and caused reboot TC-RID: 1201-0204601 IssueID: TS-R-BUG-117415 Change-Id: I56f1477f6844914d9b09513bc738067e5a8a6883 |
|||
#4 Updated by CD FW-鲁凯峰 about 2 years ago
- Status changed from New to RESOLVED
- Assignee changed from CD FW-鲁凯峰 to CD TEST-方永红
- Resolution changed from -- to FIXED
- Root cause set to 应该是在updateFreeformStatus切换到Mini态时先拿到了mGlobalLock锁,但是紧接着又调用ATMS#resizeTask方法,这个方法也会去申请mGlobalLock锁,但是updateFreeformStatus方法还没有执行完,锁没有释放,导致resizeTask拿不到锁一直在等待,导致android.anim挂了,设备重启
#5 Updated by CD TEST-方永红 about 2 years ago
4.13
0091版本未复现
继续跟踪两个版本
#6 Updated by CD TEST-方永红 about 2 years ago
4.18
待117475解决后一起关闭
#7 Updated by CD TEST-方永红 about 2 years ago
- Status changed from RESOLVED to VERIFIED
- Verified Version set to FlatBuild_HH_MCE_FSE.M.R.user.01.00.0095.C103(X103)
4.28
验证通过
#8 Updated by CD TEST-方永红 about 2 years ago
- Status changed from VERIFIED to CLOSED
- % Done changed from 0 to 100