Messages in this thread | | | Date | Mon, 8 Sep 2003 09:48:02 -0700 | From | Dave Olien <> | Subject | Badness in as_completed_request warning |
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I'm getting a "badness" warning from as_iosched.c, line 917. This is on 2.6.0-test4-mm6, running on a 2 cpu x86.
The warning occurs when I run three or more instances of mkfs.ext2, where each mkfs is running on its own disk. If I run four or more mkfs's on paritions all on the same disk I don't get this warning. The more instances of mkfs I run (each on separate disks), the more instances of this warning I receive.
The mkfs's all progress at the same rate. The warnings occur as all mkfs's are "writing superblocks and filesystem accounting information", near the end of the mkfs.
# Badness in as_completed_request at drivers/block/as-iosched.c:917
Call Trace: [<c0220d0d>] as_completed_request+0x1ad/0x1b0 [<c021946f>] elv_completed_request+0x1f/0x30 [<c021b87c>] __blk_put_request+0x3c/0xc0 [<c021c83f>] end_that_request_last+0x5f/0xf0 [<c0234d02>] DAC960_V2_ProcessCompletedCommand+0x172/0xf50 [<c029712a>] ip_rcv+0x39a/0x520 [<c011ebf4>] recalc_task_prio+0xb4/0x1f0 [<c011f64b>] load_balance+0x1bb/0x430 [<c0235bfd>] DAC960_LP_InterruptHandler+0x6d/0xb0 [<c010e789>] handle_IRQ_event+0x49/0x80 [<c010eb00>] do_IRQ+0xa0/0x150 [<c010abd0>] default_idle+0x0/0x40 [<c02f2f8c>] common_interrupt+0x18/0x20 [<c010abd0>] default_idle+0x0/0x40 [<c010abfd>] default_idle+0x2d/0x40 [<c010ac96>] cpu_idle+0x46/0x50 [<c0107000>] rest_init+0x0/0x60 [<c039092d>] start_kernel+0x18d/0x1c0 [<c03904a0>] unknown_bootoption+0x0/0x120
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