https://bugzilla.kernel.org/show_bug.cgi?id=51071
Summary: Resume of T61 in docking stations may lead to freeze
Product: ACPI
Version: 2.5
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Other
AssignedTo: acpi_ot...@kernel-bugs.osdl.org
ReportedBy: zdenek.kabe...@gmail.com
Regression: No
Created an attachment (id=87581)
--> (https://bugzilla.kernel.org/attachment.cgi?id=87581)
Snapshot of OOPS
I'm opening this bug for tracking issue reported on lkml:
https://lkml.org/lkml/2012/11/15/369
Easiest to provide picture for me - since I cannot get OOPS easily in text.
My hw is: T61 C2D 4GB GMA965
Docking station - default supplied for this laptop type.
Problem is that resume of my laptop suspended outside of docking station
usually leads to system freeze.
But there are multiple ways how the freeze lookalike -
sometimes I get only 'black screen'
and sometimes I get this OOPS (not complete - screen is too short)
I've tried few kernels back - and noticed that even 3.4 does not survive
multiple 'pm-suspend' & resume cycles (usually 1 - at best 2, but 3 is 100%
deadlock).
I'll try to add more details if I'll notice something new. For now I know this:
The problem is somehow related to the support of 'old hw' on docking station
(which is i.e. serial line port).
If I disable this support in BIOS it seems to be stable - no problem with
suspend/resume.
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