Public bug reported:
[Impact]
Plug-in thunderbolt external monitor, and then plug-in thunderbolt external
Hard drive on the external monitor, it sometimes can't detect the TBT storage.
[Fix]
Retry tb_drom_read_n() when failed fixes this issue.
[Test]
Verified on Dell platform with ASUS PA27AC Thunderbolt 3, and HP P800 TBT
storage.
[Regression Potential]
Low, it only add 100ms delay and retry once.
** Affects: linux (Ubuntu)
Importance: Undecided
Assignee: AceLan Kao (acelankao)
Status: In Progress
** Affects: linux-oem-5.6 (Ubuntu)
Importance: Undecided
Status: Invalid
** Affects: linux (Ubuntu Focal)
Importance: Undecided
Assignee: AceLan Kao (acelankao)
Status: In Progress
** Affects: linux-oem-5.6 (Ubuntu Focal)
Importance: Undecided
Assignee: AceLan Kao (acelankao)
Status: In Progress
** Affects: linux (Ubuntu Groovy)
Importance: Undecided
Assignee: AceLan Kao (acelankao)
Status: In Progress
** Also affects: linux (Ubuntu Groovy)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Focal)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Focal)
Assignee: (unassigned) => AceLan Kao (acelankao)
** Changed in: linux (Ubuntu Groovy)
Assignee: (unassigned) => AceLan Kao (acelankao)
** Changed in: linux (Ubuntu Focal)
Status: New => In Progress
** Changed in: linux (Ubuntu Groovy)
Status: New => In Progress
** Also affects: linux-oem-5.6 (Ubuntu)
Importance: Undecided
Status: New
** No longer affects: linux-oem-5.6 (Ubuntu Groovy)
** Changed in: linux-oem-5.6 (Ubuntu Focal)
Status: New => In Progress
** Changed in: linux-oem-5.6 (Ubuntu Focal)
Assignee: (unassigned) => AceLan Kao (acelankao)
** Changed in: linux-oem-5.6 (Ubuntu)
Status: New => Invalid
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https://bugs.launchpad.net/bugs/1895606
Title:
Thunderbolt3 daisy chain sometimes doesn't work
Status in linux package in Ubuntu:
In Progress
Status in linux-oem-5.6 package in Ubuntu:
Invalid
Status in linux source package in Focal:
In Progress
Status in linux-oem-5.6 source package in Focal:
In Progress
Status in linux source package in Groovy:
In Progress
Bug description:
[Impact]
Plug-in thunderbolt external monitor, and then plug-in thunderbolt external
Hard drive on the external monitor, it sometimes can't detect the TBT storage.
[Fix]
Retry tb_drom_read_n() when failed fixes this issue.
[Test]
Verified on Dell platform with ASUS PA27AC Thunderbolt 3, and HP P800 TBT
storage.
[Regression Potential]
Low, it only add 100ms delay and retry once.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1895606/+subscriptions
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