Moblin Kernel

fast boot cause usb keyboard and mouse response become slow

Bug #160347 reported by Jing Wang
6
Affects Status Importance Assigned to Milestone
Moblin Kernel
Fix Released
High
martin
Moblin Kernel m9

Bug Description

When resume, the usb keyboard and mouse can work however, the response is very slow. If connect them onto USB hub and resume back, it can work properly.

Platform: Crownbeach

Jing Wang (jing-j-wang)
Changed in moblin-kernel:
importance: Undecided → High
Jing Wang (jing-j-wang)
Changed in moblin-kernel:
assignee: nobody → martin-xu
rob rhoads (rob-rhoads)
Changed in moblin-kernel:
status: New → Triaged
martin (martin-xu)
Changed in moblin-kernel:
assignee: martin-xu → ramesh-caushik
Revision history for this message
martin (martin-xu) wrote :

the issue can not be reproduce every time system resume.
When you resume sveral times, and unplug and plug the usb-mouse and usb-keyboard, the usb-mouse and usb-keyboard response very slowly.
I tested at B1 platform.

Revision history for this message
martin (martin-xu) wrote :

read the /dev/input/eventX directly, we can find that when a key pressed, three key press event will be send out, and interval time of the first two press is about 0.2 seconds and the last two press is about 53 u seconds.
when read the /dev/input/eventX at normal state, we can find that only key press and key up event can be report from /dev/input/eventX.
So we can know that the issue comes from usbhid driver or USB driver. And have nothing to do with the graphics driver and upper application such as GUI.

Revision history for this message
martin (martin-xu) wrote :

when the acpi power button bug 164045 (https://bugs.launchpad.net/bugs/164045) is fixed.
I reboot amost 30 times. And can not find the issue again.
Not sure whether it has been fixed now. Should do more test.
However at lest the USB is more stable than before.

Zhao Fan (fan-zhao)
Changed in moblin-kernel:
milestone: none → m8
Revision history for this message
martin (martin-xu) wrote :

Now when fix the ACPI issue, I can not reproduce the bug. So I just change the bug as fix committed.
If QA guys can reproduce the bug. please reopen it.
Thanks!

Changed in moblin-kernel:
status: Triaged → Fix Committed
Zhao Fan (fan-zhao)
Changed in moblin-kernel:
assignee: ramesh-caushik → martin-xu
milestone: m8 → m9
status: Fix Committed → In Progress
Revision history for this message
Zhao Fan (fan-zhao) wrote :

The issue is easy to reproduce on one QA testing machine. Martin, could you pls. do more investigation on this? Thanks.

Revision history for this message
rob rhoads (rob-rhoads) wrote :

Martin, please update the status of this bug. Can you please investigate this bug on the QA system and get QA to close out this bug.

Changed in moblin-kernel:
status: In Progress → Fix Committed
Revision history for this message
martin (martin-xu) wrote :

Fan:
I think I have fixed the bug. Can you verify it at your D0 machine?

Revision history for this message
Zhao Fan (fan-zhao) wrote :

Verified on 02/18/2008 image

Changed in moblin-kernel:
status: Fix Committed → Fix Released
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