Hi,

I've applied the patch in the subject line and everything was running fine for 
several  but today day, during heavy hd activity, i got the following:

Sep  5 16:34:13 gollum kernel: Debug: sleeping function called from invalid 
context pdflush(41) at fs/inode.c:245
Sep  5 16:34:13 gollum kernel: in_atomic():1, irqs_disabled():0
Sep  5 16:34:13 gollum kernel:  [dump_stack+30/48] dump_stack+0x1e/0x30
Sep  5 16:34:13 gollum kernel:  [__might_sleep+205/256] 
__might_sleep+0xcd/0x100
Sep  5 16:34:13 gollum kernel:  [clear_inode+31/240] clear_inode+0x1f/0xf0
Sep  5 16:34:13 gollum kernel:  [generic_delete_inode+206/768] 
generic_delete_inode+0xce/0x300
Sep  5 16:34:13 gollum kernel:  [iput+100/144] iput+0x64/0x90
Sep  5 16:34:13 gollum kernel:  [dput+554/1840] dput+0x22a/0x730
Sep  5 16:34:13 gollum kernel:  [release_task+548/880] 
release_task+0x224/0x370
Sep  5 16:34:13 gollum kernel:  [do_exit+1369/2528] do_exit+0x559/0x9e0
Sep  5 16:34:13 gollum kernel:  [kernel_thread_helper+11/16] 
kernel_thread_helper+0xb/0x10
Sep  5 16:34:13 gollum kernel:
Sep  5 16:34:50 gollum kernel: Debug: sleeping function called from invalid 
context pdflush(42) at fs/inode.c:245
Sep  5 16:34:50 gollum kernel: in_atomic():1, irqs_disabled():0
Sep  5 16:34:50 gollum kernel:  [dump_stack+30/48] dump_stack+0x1e/0x30
Sep  5 16:34:50 gollum kernel:  [__might_sleep+205/256] 
__might_sleep+0xcd/0x100
Sep  5 16:34:50 gollum kernel:  [clear_inode+31/240] clear_inode+0x1f/0xf0
Sep  5 16:34:50 gollum kernel:  [generic_delete_inode+206/768] 
generic_delete_inode+0xce/0x300
Sep  5 16:34:50 gollum kernel:  [iput+100/144] iput+0x64/0x90
Sep  5 16:34:50 gollum kernel:  [dput+554/1840] dput+0x22a/0x730
Sep  5 16:34:50 gollum kernel:  [release_task+548/880] 
release_task+0x224/0x370
Sep  5 16:34:50 gollum kernel:  [do_exit+1369/2528] do_exit+0x559/0x9e0
Sep  5 16:34:50 gollum kernel:  [kernel_thread_helper+11/16] 
kernel_thread_helper+0xb/0x10
Sep  5 16:34:50 gollum kernel:

I have also several ACPI patches applied but I think this is 
unrelated. .config attached.

Regards,
Boris.