Alistair John Strachan <[email protected]> wrote:
>
> On Thursday 06 July 2006 05:26, Linus Torvalds wrote:
> > Ok,
> > the merge window for 2.6.18 is closed, and -rc1 is out there (git trees
> > updated, the tar-ball and patches are still uploading over my pitiful DSL
> > line - and as usual it may take a short while before mirroring takes
> > place and distributes things across the globe).
> >
> > The changes are too big for the mailing list, even just the shortlog. As
> > usual, lots of stuff happened. Most architectures got updated, ACPI
> > updates, networking, SCSI and sound, IDE, infiniband, input, DVB etc etc
> > etc.
>
> ACPI problem here. Doesn't seem to actively break anything, but the messages
> look bad (HP NC6000 notebook). Haven't tried suspending. The error popped
> up roughly 90 minutes after booting. Laptop has been on AC power throughout.
>
> ACPI Error (exmutex-0248): Cannot release Mutex [C0E8], not acquired [20060623]
> ACPI Error (psparse-0537): Method parse/execution failed [\_SB_.C044.C057.C0E7.C12F] (Node c1aeca40), AE_AML_MUTEX_NOT_ACQUIRED
> ACPI Error (psparse-0537): Method parse/execution failed [\_SB_.C12F] (Node c1aeecfc), AE_AML_MUTEX_NOT_ACQUIRED
> ACPI Error (psparse-0537): Method parse/execution failed [\_SB_.C137._BST] (Node c1aeec84), AE_AML_MUTEX_NOT_ACQUIRED
> ACPI Exception (acpi_battery-0206): AE_AML_MUTEX_NOT_ACQUIRED, Evaluating _BST [20060623]
>
I've queued the below for sending via Len. Whether it is
correct/sufficient I do not know. The comment from Alexey:
It seems that there is an error in our code, that either releases ASL
mutex twice, etc. In either case the correct behavior seems to not abort
execution. Error seems to vanish in 2.6.17, so we should just apply this
patch.
is discouraging.
From: Alexey Starikovskiy <[email protected]>
See http://bugme.osdl.org/show_bug.cgi?id=6687
Closes: #50088
patch location:
http://www.kernel.org/git/?p=linux/kernel/git/bcollins/ubuntu-dapper.git;a=commitdiff;h=202ddb5b6498af53e110f78edd41a217587c1ffb
Signed-off-by: Chuck Short <[email protected]>
Signed-off-by: Ben Collins <[email protected]>
Cc: "Brown, Len" <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
---
drivers/acpi/executer/exmutex.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN drivers/acpi/executer/exmutex.c~acpi-do-not-abort-method-execution-if-asked-to-release drivers/acpi/executer/exmutex.c
--- a/drivers/acpi/executer/exmutex.c~acpi-do-not-abort-method-execution-if-asked-to-release
+++ a/drivers/acpi/executer/exmutex.c
@@ -246,7 +246,7 @@ acpi_ex_release_mutex(union acpi_operand
ACPI_ERROR((AE_INFO,
"Cannot release Mutex [%4.4s], not acquired",
acpi_ut_get_node_name(obj_desc->mutex.node)));
- return_ACPI_STATUS(AE_AML_MUTEX_NOT_ACQUIRED);
+ return_ACPI_STATUS(AE_OK);
}
/* Sanity check -- we must have a valid thread ID */
_
-
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