Bug #116443

【BSP】【EVT2】【VC1】【power】【偶现一次】屏幕背光亮无画面输出，TP不可用；投屏出来显示闹钟画面

Added by SZTS_TEST 邹涛 over 2 years ago. Updated almost 2 years ago.

Status:CLOSEDStart date:2023-02-22
Priority:UrgentDue date:
Assignee:CD TEST-方永红% Done:

80%

Category:黑屏
Target version:VC1_FSE_0082_20230314
Need_Info:-- Found Version:[ro.build.display.id]: [01.00.0068.X101] userdebug
Resolution:-- Degrated:--
Severity:Critical Verified Version:
Reproducibility:Rarely Fixed Version:
Test Type:Free Test Root cause:MPU端驱动正常，虚拟投屏正常，应为屏端异常导致黑屏

Description

前置条件：
屏幕处于熄屏时钟画面

操作步骤：
1.在屏幕处于熄屏时钟画面，等待一段时间不做任何操作
2. 使用 adb shell getevent -rlt　看一下是否TP有报点

预期结果：
1.查看屏幕显示画面是否正常
2.查看板子是否有异常

实际结果：
1.屏幕黑的没画面输出，背光亮，tp不能用，投屏出来显示闹钟画面
2.板子anddroid正常运行，adb端口可用
3.屏幕和板子一起电流大小为1.7A左右

logcat.txt Magnifier (2.54 MB) SZTS_TEST 邹涛, 2023-02-22 11:53

dmesg.txt Magnifier (959 KB) SZTS_TEST 邹涛, 2023-02-22 11:53

Serial-COM15_20230222110736.log (433 KB) SZTS_TEST 邹涛, 2023-02-22 11:53

中科创达软件股份有限公司20230222-114013.jpg (123 KB) SZTS_TEST 邹涛, 2023-02-22 11:53

中科创达软件股份有限公司20230222-114023.jpg (155 KB) SZTS_TEST 邹涛, 2023-02-22 11:53

%e4%b8%ad%e7%a7%91%e5%88%9b%e8%be%be%e8%bd%af%e4%bb%b6%e8%82%a1%e4%bb%bd%e6%9c%89%e9%99%90%e5%85%ac%e5%8f%b820230222-114013 %e4%b8%ad%e7%a7%91%e5%88%9b%e8%be%be%e8%bd%af%e4%bb%b6%e8%82%a1%e4%bb%bd%e6%9c%89%e9%99%90%e5%85%ac%e5%8f%b820230222-114023

History

#1 Updated by CD BSP-杜磊 over 2 years ago

  • Description updated (diff)

#2 Updated by CD BSP-杜磊 over 2 years ago

  • Status changed from New to ASSIGNED

#3 Updated by CD BSP-杜磊 over 2 years ago

  • Assignee changed from CD BSP-杜磊 to BSP组-RD3_TSCD 贾顺旺

#4 Updated by CD TPM-王祥林 over 2 years ago

  • Category set to BSP

#5 Updated by CDTS-TEST 周婷 over 2 years ago

  • Target version set to VX1_MCE_FSE_0082_20230314

#6 Updated by BSP组-RD3_TSCD 贾顺旺 over 2 years ago

  • Assignee changed from BSP组-RD3_TSCD 贾顺旺 to 移动测试一组_CDTS 刘强

#7 Updated by CD BSP-杜磊 over 2 years ago

  • Status changed from ASSIGNED to NEED_INFO

#8 Updated by 移动测试一组_CDTS 刘强 over 2 years ago

  • Assignee changed from 移动测试一组_CDTS 刘强 to CDTS_Test 吴诗雨

请帮忙复现验证，使用MTBF脚本每天压测，更新最新验证情况

#9 Updated by CD TPM-王祥林 over 2 years ago

  • Target version changed from VX1_MCE_FSE_0082_20230314 to VC1_FSE_0082_20230314

#10 Updated by CDTS_Test 吴诗雨 over 2 years ago

【复现版本】FlatBuild_HH_MCE_FSE.M.D.user.01.00.C101.202303040019
【复现情况】未复现上述情况

#11 Updated by CDTS_Test 吴诗雨 over 2 years ago

【复现版本】FlatBuild_HH_MCE_FSE.M.R.user.01.00.0080.C101
【复现情况】MTBF16小时未复现上述情况

#12 Updated by CDTS_Test 吴诗雨 over 2 years ago

【复现版本】FlatBuild_HH_MCE_FSE.M.D.user.01.00.C101.202303080018
【复现情况】MTBF16小时未复现上述情况

#13 Updated by CDTS_Test 吴诗雨 over 2 years ago

【复现版本】FlatBuild_HH_MCE_FSE.M.R.user.01.00.0081.C101
【复现情况】MTBF16小时未复现上述情况

#14 Updated by CDTS_Test 吴诗雨 over 2 years ago

【复现版本】FlatBuild_HH_MCE_FSE.M.D.user.01.00.C101.202303110019
【复现情况】MTBF16小时未复现上述情况

#15 Updated by CDTS_Test 吴诗雨 over 2 years ago

【复现版本】FlatBuild_HH_MCE_FSE.M.D.user.01.00.C101.202303191230
【复现情况】MTBF16小时未复现上述情况

#16 Updated by CDTS_Test 吴诗雨 over 2 years ago

  • Status changed from NEED_INFO to RESOLVED

【复现版本】FlatBuild_HH_MCE_FSE.M.D.user.01.00.C101.202303191230
【复现情况】MTBF两台16小时未复现

#17 Updated by CDTS_Test 吴诗雨 over 2 years ago

  • Status changed from RESOLVED to VERIFIED

#18 Updated by CDTS_Test 吴诗雨 over 2 years ago

  • Status changed from VERIFIED to CLOSED

#19 Updated by CDTS-TEST 周婷 about 2 years ago

  • Status changed from CLOSED to New
  • Assignee changed from CDTS_Test 吴诗雨 to CD TPM-王祥林

请重新分析

#20 Updated by 物联网项目组-RD3_CDTS 周飞 about 2 years ago

  • Assignee changed from CD TPM-王祥林 to CD BSP-杜磊

#21 Updated by CD BSP-杜磊 about 2 years ago

  • Subject changed from 【BSP】【EVT2】【power】【偶现一次】屏幕背光亮无画面输出，TP不可用；投屏出来显示闹钟画面 to 【BSP】【EVT2】【VC1】【power】【偶现一次】屏幕背光亮无画面输出，TP不可用；投屏出来显示闹钟画面
  • Status changed from New to RESOLVED
  • Assignee changed from CD BSP-杜磊 to CDTS-TEST 周婷
  • % Done changed from 0 to 80
  • Root cause set to MPU端驱动正常，虚拟投屏正常，应为屏端异常导致黑屏

根据附件log信息，分析如下：

1.显示芯片初始化正常，根据描述背光亮，说明背光打开正常，且系统未休眠。
867:[ 15.119551] [MAX975X:max96755g_probe] ERROR begin
904:[ 15.681010] [MAX975X:max96755x_init] ERROR begin
905:[ 15.852524] [MAX975X:max96755x_init] ERROR read:752 0x13:da
906:[ 15.858872] [MAX975X:max96755x_init] ERROR read:755 0x13:da
907:[ 15.864823] [MAX975X:max96755x_init] ERROR done
908:[ 15.870236] [MAX975X:max96755g_probe] ERROR backlight on failed 7
909:[ 15.876831] [MAX975X:max96755g_probe] ERROR done
4602:[ 45.541487] [MAX975X:max96755x_drm_notifier_callback] ERROR receives EARLY_BLANK:UNBLANK
4617:[ 45.650966] [MAX975X:max96755x_drm_notifier_callback] ERROR receives BLANK:UNBLANK

2.Touch注册正常
910:[ 15.882219] atmel_mxt_ts 0-004a: ATMEL MaXTouch Driver version 4.12c
911:[ 15.889109] atmel_mxt_ts 0-004a: Using gpiod to irq mapping(383) to overrite the client's irq(0)
912:[ 15.898160] atmel_mxt_ts 0-004a: Mxt Reset (Flag: 0C)
913:[ 15.903391] atmel_mxt_ts 0-004a: Resetting chip(H)
914:[ 15.932109] atmel_mxt_ts 0-004a: <Seqnum>: 0 -> 0
915:[ 16.960905] atmel_mxt_ts 0-004a: Family: 164 Variant: 56 Firmware V2.0.AA Objects: 42
933:[ 16.981714] atmel_mxt_ts 0-004a: Falling back to syfs fallback for: maxtouch.cfg
934:[ 16.982648] atmel_mxt_ts 0-004a: T6 Config Checksum: 0x1B6EAC
1448:[ 25.546285] atmel_mxt_ts 0-004a: Device config CRC 0x1B6EAC: does not match file CRC 0xFC63CD: Updating...
1454:[ 25.644154] atmel_mxt_ts 0-004a: First object found T68
1599:[ 29.225411] atmel_mxt_ts 0-004a: T6 Config Checksum: 0xFC63CD
1610:[ 29.444088] atmel_mxt_ts 0-004a: Resetting device(0E)
1611:[ 29.449393] atmel_mxt_ts 0-004a: Mxt Reset (Flag: 0E)
1612:[ 29.454681] atmel_mxt_ts 0-004a: Resetting chip(S)
1613:[ 29.460355] atmel_mxt_ts 0-004a: <Seqnum>: 2 -> 0
1635:[ 30.501137] atmel_mxt_ts 0-004a: Config successfully updated
1636:[ 30.507020] atmel_mxt_ts 0-004a: Config file updated, release the input device
1637:[ 30.515110] atmel_mxt_ts 0-004a: mxt_config: Registering devices
1638:[ 30.526925] atmel_mxt_ts 0-004a: Touchscreen size {x,y} = {2559,1079}
1639:[ 30.536882] input: Atmel maXTouch Touchscreen as /devices/platform/soc/980000.i2c/i2c-0/0-004a/input/input3
1642:[ 30.555721] atmel_mxt_ts 0-004a: Touchscreen size {x,y} = {2559,1079}
1644:[ 30.579146] atmel_mxt_ts 0-004a: Initialized power cfg: ACTV 255, IDLE 20
1645:[ 30.586147] atmel_mxt_ts 0-004a: Get Irqflags 0x0, will check Retrigen mode
1646:[ 30.595473] atmel_mxt_ts 0-004a: RETRIGEN Enabled feature
4604:[ 45.550629] atmel_mxt_ts 0-004a: FB event:2,blank:0
4605:[ 45.550962] atmel_mxt_ts 0-004a: suspend: event = 2, blank = 0, not care
4618:[ 45.665451] atmel_mxt_ts 0-004a: FB event:1,blank:0
4619:[ 45.665480] atmel_mxt_ts 0-004a: drm_notifier_callback: UNBLANK! Resume by drm notifier.

根据之前青岛反馈的黑屏较为类似，均为虚拟投屏有显示，而屏端无画面输出。　
此种情况应为屏端内部错误导致的异常，而非MPU端异常错误。
此类问题需要厂商进行优化。

#22 Updated by CDTS-TEST 周婷 about 2 years ago

  • Assignee changed from CDTS-TEST 周婷 to CD BSP-余霄

需跟踪厂商优化结果

#23 Updated by CD TEST-方永红 about 2 years ago

  • Status changed from RESOLVED to ASSIGNED

#24 Updated by CDTS-TEST 周婷 about 2 years ago

  • Assignee changed from CD BSP-余霄 to CD BSP-杜磊

#25 Updated by CD BSP-杜磊 about 2 years ago

成都当前没有更新的屏端控制器软件，屏端控制器软件需要更新后，再用最新修改的版本来进行压测。

#26 Updated by CDTS-TEST 周婷 about 2 years ago

  • Category changed from BSP to 黑屏

#27 Updated by CD BSP-杜磊 about 2 years ago

  • Status changed from ASSIGNED to RESOLVED
  • Assignee changed from CD BSP-杜磊 to CD TEST-方永红

请使用110版本进行复测

#28 Updated by CD TEST-方永红 about 2 years ago

7.3
使用110版本及116版本各测试10次不复现

#29 Updated by CD TEST-方永红 almost 2 years ago

  • Status changed from RESOLVED to VERIFIED

7.10
120版本长时间测试未复现
先关闭

#30 Updated by CD TEST-方永红 almost 2 years ago

  • Status changed from VERIFIED to CLOSED

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