Bug #117768
【BSP】【EVT3】【VC1】【ST】【Display】0095版本热插拔后,会偶现黑屏现象
Status: | CLOSED | Start date: | 2023-05-05 | |
---|---|---|---|---|
Priority: | High | Due date: | ||
Assignee: | 移动测试一组_CDTS 刘强 | % Done: | 100% | |
Category: | BSP | |||
Target version: | - | |||
Need_Info: | -- | Found Version: | 0095 | |
Resolution: | FIXED | Degrated: | -- | |
Severity: | Critical | Verified Version: | ||
Reproducibility: | Frequently | Fixed Version: | ||
Test Type: | ST | Root cause: | 此问题应为冷插拔数据线时出现的黑屏问题,其原因是,在uefi阶段初始化时,没有连接数据线,无法对屏端进行初始化,在kernerl阶段不会对屏端再次进行初始化,若在UEFI到kernel加载期间将数据线连接上,DTC无法判断屏端是否已经初始化,连接状态正常,不会再进行初始化。 |
Description
【前提条件】
None
【测试步骤】
1. 烧写0095版本
2. 在开机过程中或开机后,进行热插拔显示传输线
3. 多次重复观察现象
【预期结果】
3. 显示正常,且可以恢复
【实际结果】
3 会出现黑屏现象
Subtasks
History
#1 Updated by CDTS_TEST 王成 about 2 years ago
- Subject changed from 【BSP】【EVT3】【ST】【Display】0095版本热插拔后,会偶现花屏、黑屏等现象 to 【BSP】【EVT3】【ST】【Display】0095版本热插拔后,会偶现黑屏现象
#2 Updated by CDTS_TEST 王成 about 2 years ago
- File deleted (
中科创达软件股份有限公司20230505-181508.jpg)
#3 Updated by CDTS_TEST 王成 about 2 years ago
- File deleted (
中科创达软件股份有限公司20230505-181515.jpg)
#4 Updated by CDTS_TEST 王成 about 2 years ago
- Description updated (diff)
#5 Updated by CD BSP-杜磊 about 2 years ago
- Status changed from New to ASSIGNED
- Root cause set to 此问题应为冷插拔数据线时出现的黑屏问题,其原因是,在uefi阶段初始化时,没有连接数据线,无法对屏端进行初始化,在kernerl阶段不会对屏端再次进行初始化,若在UEFI到kernel加载期间将数据线连接上,DTC无法判断屏端是否已经初始化,连接状态正常,不会再进行初始化。
此问题应为冷插拔数据线时出现的黑屏问题,其原因是,在uefi阶段初始化时,没有连接数据线,无法对屏端进行初始化,在kernerl阶段不会对屏端再次进行初始化,若在UEFI到kernel加载期间将数据线连接上,DTC无法判断屏端是否已经初始化,连接状态正常,不会再进行初始化。
#6 Updated by CD BSP-杜磊 about 2 years ago
- Subject changed from 【BSP】【EVT3】【ST】【Display】0095版本热插拔后,会偶现黑屏现象 to 【BSP】【EVT3】【VC1】【ST】【Display】0095版本热插拔后,会偶现黑屏现象
#7 Updated by CD BSP-杜磊 about 2 years ago
- Status changed from ASSIGNED to RESOLVED
- Assignee changed from CD BSP-杜磊 to 移动测试一组_CDTS 刘强
- Resolution changed from -- to FIXED
#8 Updated by 移动测试一组_CDTS 刘强 about 2 years ago
- Status changed from RESOLVED to VERIFIED
0100和FlatBuild_HH_MCE_FSE.M.D.user.01.00.C103.202305150054 未复现黑屏不亮屏的情况,因此关闭次issue,有其他黑屏由其他bug跟踪
https://share.thundersoft.com/redmine/issues/117953
https://share.thundersoft.com/redmine/issues/117954
https://share.thundersoft.com/redmine/issues/117955
https://share.thundersoft.com/redmine/issues/117956
#9 Updated by 移动测试一组_CDTS 刘强 about 2 years ago
- Status changed from VERIFIED to CLOSED