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Subject2.6.8-rc3-mm2: Debug: sleeping function called from invalid context at mm/mempool.c:197
I see the msg below while running on 2.6.8-rc3-mm2, but not on the plain 
rc3 tree;
ditto for rc1-mm1 vs rc1, which is as far back as I've gone so far.

I'm using QLogic QLA2200 adapters and both ext2/ext3 filesystems.
The problem is very recreatable for me -- I pretty much just open a
large file on one
of the qlogic-attached devices.

I tried backing out bk-scsi.patch for the heck of it, but I still see
the problem.

Aug 9 10:33:43 elm3b81 kernel: Debug: sleeping function called from
invalid context at mm/mempool.c:197
Aug 9 10:33:43 elm3b81 kernel: in_atomic():1, irqs_disabled():0
Aug 9 10:33:43 elm3b81 kernel: [<c0105f4e>] dump_stack+0x1e/0x30
Aug 9 10:33:43 elm3b81 kernel: [<c011d2a9>] __might_sleep+0x99/0xb0
Aug 9 10:33:43 elm3b81 kernel: [<c013dadb>] mempool_alloc+0x14b/0x150
Aug 9 10:33:43 elm3b81 kernel: [<f8a6cb8c>]
qla2x00_get_new_sp+0x1c/0x30 [qla2xxx]
Aug 9 10:33:43 elm3b81 kernel: [<f8a6868a>]
qla2x00_queuecommand+0x3a/0x6a0 [qla2xxx]
Aug 9 10:33:43 elm3b81 kernel: [<c036f941>] scsi_dispatch_cmd+0x141/0x1e0
Aug 9 10:33:43 elm3b81 kernel: [<c0374c9f>] scsi_request_fn+0x1ef/0x3d0
Aug 9 10:33:43 elm3b81 kernel: [<c0333b82>] blk_run_queue+0x32/0x50
Aug 9 10:33:43 elm3b81 kernel: [<c03740f0>] scsi_end_request+0xd0/0xf0
Aug 9 10:33:43 elm3b81 kernel: [<c0374404>] scsi_io_completion+0x134/0x440
Aug 9 10:33:43 elm3b81 kernel: [<c0398d9f>] sd_rw_intr+0x5f/0x280
Aug 9 10:33:43 elm3b81 kernel: [<c036fd63>] scsi_finish_command+0x73/0xb0
Aug 9 10:33:43 elm3b81 kernel: [<c036fc8b>] scsi_softirq+0xab/0xd0
Aug 9 10:33:43 elm3b81 kernel: [<c012427c>] __do_softirq+0xbc/0xd0
Aug 9 10:33:43 elm3b81 kernel: [<c01242c5>] do_softirq+0x35/0x40
Aug 9 10:33:43 elm3b81 kernel: [<c0107b47>] do_IRQ+0x107/0x130
Aug 9 10:33:43 elm3b81 kernel: [<c0105a90>] common_interrupt+0x18/0x20

Thanks,
-Janet


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