resume from disk "scheduling while atomic" on K7-based hardware:
Bug #67461 reported by
Jeff Trull
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
linux-source-2.6.15 (Ubuntu) |
Won't Fix
|
Undecided
|
Unassigned | ||
linux-source-2.6.17 (Ubuntu) |
Fix Released
|
Undecided
|
Unassigned |
Bug Description
hibernate.sh dies upon resume due to "scheduling while atomic", causing a variety of problems (e.g., network drivers stay unloaded). See bug 59077 for details. It appears that the use of a 3DNOW-based memcpy in the suspend code causes preempt_count to be improperly incremented. All K7-based hardware is affected since CONFIG_
Can this patch be applied in a Dapper kernel update? K7-based laptops cannot hibernate successfully without it.
Changed in linux-source-2.6.17: | |
status: | Unconfirmed → Fix Released |
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If you diff kernel/ power/snapshot. c between Dapper and Edgy you will see the patch has been applied. I verified that this problem is absent on my hardware in Edgy. Can it be done as a Dapper update?