Dell Precision 5550 takes up to 10 seconds to respond when coming out of sleep
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
HWE Next |
Fix Released
|
Undecided
|
Unassigned | ||
linux (Ubuntu) |
Fix Released
|
Undecided
|
AceLan Kao | ||
Focal |
In Progress
|
Undecided
|
AceLan Kao | ||
Groovy |
Won't Fix
|
Undecided
|
AceLan Kao | ||
Hirsute |
Fix Released
|
Undecided
|
AceLan Kao | ||
linux-oem-5.10 (Ubuntu) |
Invalid
|
Undecided
|
Unassigned | ||
Focal |
Fix Released
|
Undecided
|
AceLan Kao |
Bug Description
[Impact]
On some platforms, the EC doesn't support the register reading sequence
for sentelic[1], and then make the EC can't respond commands for a while
when probing. It leads to the keyboard is non-responsive for around 10
seconds while waking up from s2idle.
[ 44.304488] i8042: [9804] d4 -> i8042 (command)
[ 44.304634] i8042: [9804] f3 -> i8042 (parameter)
[ 44.304787] i8042: [9804] fa <- i8042 (interrupt, 1, 12)
[ 44.304855] i8042: [9804] d4 -> i8042 (command)
[ 44.304938] i8042: [9804] 66 -> i8042 (parameter)
[ 44.337698] i8042: [9813] d4 -> i8042 (command)
[ 44.905695] i8042: [9942] 88 -> i8042 (parameter)
[ 45.497478] i8042: [10102] d4 -> i8042 (command)
[ 46.098041] i8042: [10253] f3 -> i8042 (parameter)
[ 46.098070] i8042: [10253] fe <- i8042 (interrupt, 1, 12)
[ 46.718154] i8042: [10386] d4 -> i8042 (command)
[ 47.309915] i8042: [10386] f4 -> i8042 (parameter)
[ 47.918961] i8042: [10556] d4 -> i8042 (command)
[ 48.402624] i8042: [10556] f6 -> i8042 (parameter)
[Fix]
A DMI quirk to mark this platform doesn't have aux device could avoid those commands to be sent. And the system could still using i2c
interface to communicate with the touchpad.
https:/
[Test]
Verified on Dell Precision 5550
[Where problem could occur]
The quirk only affects the listed platform, there is no regression could occur.
CVE References
no longer affects: | linux-oem-5.10 (Ubuntu Groovy) |
no longer affects: | linux-oem-5.10 (Ubuntu Hirsute) |
Changed in linux (Ubuntu Focal): | |
assignee: | nobody → AceLan Kao (acelankao) |
Changed in linux-oem-5.10 (Ubuntu): | |
status: | New → Invalid |
Changed in linux (Ubuntu Groovy): | |
assignee: | nobody → AceLan Kao (acelankao) |
Changed in linux (Ubuntu Hirsute): | |
assignee: | nobody → AceLan Kao (acelankao) |
Changed in linux-oem-5.10 (Ubuntu Focal): | |
assignee: | nobody → AceLan Kao (acelankao) |
Changed in linux (Ubuntu Focal): | |
status: | New → In Progress |
Changed in linux (Ubuntu Groovy): | |
status: | New → In Progress |
Changed in linux (Ubuntu Hirsute): | |
status: | New → In Progress |
Changed in linux-oem-5.10 (Ubuntu Focal): | |
status: | New → In Progress |
tags: | added: oem-priority originate-from-1904649 somerville |
description: | updated |
description: | updated |
Changed in linux-oem-5.10 (Ubuntu Focal): | |
status: | In Progress → Fix Committed |
Changed in linux (Ubuntu Focal): | |
status: | In Progress → Fix Committed |
Changed in linux (Ubuntu Groovy): | |
status: | In Progress → Fix Committed |
Changed in linux (Ubuntu Hirsute): | |
status: | In Progress → Fix Committed |
Changed in linux (Ubuntu Focal): | |
status: | Fix Committed → In Progress |
Changed in linux (Ubuntu Groovy): | |
status: | Fix Committed → In Progress |
tags: |
added: verification-done-focal removed: verification-needed-focal |
Changed in hwe-next: | |
status: | New → Fix Released |
This bug is awaiting verification that the kernel in -proposed solves the problem. Please test the kernel and update this bug with the results. If the problem is solved, change the tag 'verification- needed- focal' to 'verification- done-focal' . If the problem still exists, change the tag 'verification- needed- focal' to 'verification- failed- focal'.
If verification is not done by 5 working days from today, this fix will be dropped from the source code, and this bug will be closed.
See https:/ /wiki.ubuntu. com/Testing/ EnableProposed for documentation how to enable and use -proposed. Thank you!