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_test_log_rqmode.txt
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_test_log_rqmode.txt
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[ 0.218396] brd: module loaded
[ 0.218636] mybrd: mybrd major=253
[ 0.218917] mybrd: start mybrd_alloc
[ 0.219199] mybrd: create queue: RequestQueue-base
[ 0.219668] mybrd: start request_fn: q=ffff880000048000 irqmode=0
[ 0.220122] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.4.0+ #23
[ 0.220575] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu1 04/01/2014
[ 0.221294] ffff880000048000 ffff880006d038c8 ffffffff8130dadf ffff880000048000
[ 0.221874] ffff880006d038e8 ffffffff814fa120 ffff880000048000 ffff880000048000
[ 0.222489] ffff880006d03900 ffffffff812ebe6e ffff880000048000 ffff880006d03938
[ 0.223071] Call Trace:
[ 0.223263] [<ffffffff8130dadf>] dump_stack+0x44/0x55
[ 0.223650] [<ffffffff814fa120>] mybrd_request_fn+0x20/0xa0
[ 0.224082] [<ffffffff812ebe6e>] __blk_run_queue+0x2e/0x40
[ 0.224503] [<ffffffff812eab6a>] __elv_add_request+0xfa/0x290
[ 0.224942] [<ffffffff812f1913>] blk_queue_bio+0x323/0x330
[ 0.225363] [<ffffffff812efc8e>] generic_make_request+0xce/0x1a0
[ 0.225822] [<ffffffff812efdc2>] submit_bio+0x62/0x140
[ 0.226204] [<ffffffff8119fa78>] submit_bh_wbc.isra.38+0xf8/0x130
[ 0.226671] [<ffffffff8119fdef>] block_read_full_page+0x24f/0x2f0
[ 0.227140] [<ffffffff811a1e50>] ? I_BDEV+0x10/0x10
[ 0.227517] [<ffffffff8111a96b>] ? __add_to_page_cache_locked+0x11b/0x1b0
[ 0.228035] [<ffffffff811a2820>] ? blkdev_readpages+0x20/0x20
[ 0.228472] [<ffffffff811a2833>] blkdev_readpage+0x13/0x20
[ 0.228854] [<ffffffff8111ad08>] do_read_cache_page+0x78/0x1a0
[ 0.229282] [<ffffffff8111ae44>] read_cache_page+0x14/0x20
[ 0.229662] [<ffffffff81301358>] read_dev_sector+0x28/0x90
[ 0.230080] [<ffffffff813043f6>] read_lba+0x126/0x1e0
[ 0.230467] [<ffffffff81304ab7>] efi_partition+0xe7/0x720
[ 0.230882] [<ffffffff81318fec>] ? vsnprintf+0x24c/0x510
[ 0.231302] [<ffffffff81319339>] ? snprintf+0x39/0x40
[ 0.231699] [<ffffffff813049d0>] ? compare_gpts+0x260/0x260
[ 0.232038] [<ffffffff813025e9>] check_partition+0x139/0x220
[ 0.232431] [<ffffffff81301b63>] rescan_partitions+0xb3/0x2a0
[ 0.232840] [<ffffffff811a2e22>] __blkdev_get+0x282/0x3b0
[ 0.233252] [<ffffffff811a3ae2>] blkdev_get+0x112/0x300
[ 0.233647] [<ffffffff81185fae>] ? unlock_new_inode+0x3e/0x70
[ 0.234077] [<ffffffff811a26fc>] ? bdget+0x10c/0x120
[ 0.234449] [<ffffffff814dbc32>] ? put_device+0x12/0x20
[ 0.234846] [<ffffffff812ff921>] add_disk+0x3e1/0x470
[ 0.235241] [<ffffffff812ffbc2>] ? alloc_disk_node+0x102/0x130
[ 0.235684] [<ffffffff81f7d865>] ? brd_init+0x153/0x153
[ 0.236101] [<ffffffff81f7da21>] mybrd_init+0x1bc/0x253
[ 0.236526] [<ffffffff810003b1>] do_one_initcall+0x81/0x1b0
[ 0.236946] [<ffffffff81f3b08e>] kernel_init_freeable+0x158/0x1e3
[ 0.237412] [<ffffffff818897d0>] ? rest_init+0x80/0x80
[ 0.237811] [<ffffffff818897d9>] kernel_init+0x9/0xe0
[ 0.238195] [<ffffffff8188f1cf>] ret_from_fork+0x3f/0x70
[ 0.238607] [<ffffffff818897d0>] ? rest_init+0x80/0x80
[ 0.239055] mybrd: start prep_rq_fn: q=ffff880000048000 req=ffff88000673a560
[ 0.239573] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.4.0+ #23
[ 0.240016] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu1 04/01/2014
[ 0.240712] ffff8800063274c0 ffff880006d03868 ffffffff8130dadf ffff88000673a560
[ 0.241304] ffff880006d03888 ffffffff814fa0a8 ffff880000048000 ffff88000673a560
[ 0.241907] ffff880006d038b0 ffffffff812f11d8 ffff880000048000 ffff880000048000
[ 0.242499] Call Trace:
[ 0.242684] [<ffffffff8130dadf>] dump_stack+0x44/0x55
[ 0.243092] [<ffffffff814fa0a8>] mybrd_prep_rq_fn+0x28/0x80
[ 0.243508] [<ffffffff812f11d8>] blk_peek_request+0x158/0x260
[ 0.243960] [<ffffffff812f12ea>] blk_fetch_request+0xa/0x20
[ 0.244405] [<ffffffff814fa128>] mybrd_request_fn+0x28/0xa0
[ 0.244822] [<ffffffff812ebe6e>] __blk_run_queue+0x2e/0x40
[ 0.245232] [<ffffffff812eab6a>] __elv_add_request+0xfa/0x290
[ 0.245661] [<ffffffff812f1913>] blk_queue_bio+0x323/0x330
[ 0.246072] [<ffffffff812efc8e>] generic_make_request+0xce/0x1a0
[ 0.246520] [<ffffffff812efdc2>] submit_bio+0x62/0x140
[ 0.246904] [<ffffffff8119fa78>] submit_bh_wbc.isra.38+0xf8/0x130
[ 0.247360] [<ffffffff8119fdef>] block_read_full_page+0x24f/0x2f0
[ 0.247836] [<ffffffff811a1e50>] ? I_BDEV+0x10/0x10
[ 0.248202] [<ffffffff8111a96b>] ? __add_to_page_cache_locked+0x11b/0x1b0
[ 0.248704] [<ffffffff811a2820>] ? blkdev_readpages+0x20/0x20
[ 0.249132] [<ffffffff811a2833>] blkdev_readpage+0x13/0x20
[ 0.249542] [<ffffffff8111ad08>] do_read_cache_page+0x78/0x1a0
[ 0.249976] [<ffffffff8111ae44>] read_cache_page+0x14/0x20
[ 0.250387] [<ffffffff81301358>] read_dev_sector+0x28/0x90
[ 0.250799] [<ffffffff813043f6>] read_lba+0x126/0x1e0
[ 0.251181] [<ffffffff81304ab7>] efi_partition+0xe7/0x720
[ 0.251593] [<ffffffff81318fec>] ? vsnprintf+0x24c/0x510
[ 0.251988] [<ffffffff81319339>] ? snprintf+0x39/0x40
[ 0.252365] [<ffffffff813049d0>] ? compare_gpts+0x260/0x260
[ 0.252801] [<ffffffff813025e9>] check_partition+0x139/0x220
[ 0.253225] [<ffffffff81301b63>] rescan_partitions+0xb3/0x2a0
[ 0.253654] [<ffffffff811a2e22>] __blkdev_get+0x282/0x3b0
[ 0.254056] [<ffffffff811a3ae2>] blkdev_get+0x112/0x300
[ 0.254447] [<ffffffff81185fae>] ? unlock_new_inode+0x3e/0x70
[ 0.254874] [<ffffffff811a26fc>] ? bdget+0x10c/0x120
[ 0.255250] [<ffffffff814dbc32>] ? put_device+0x12/0x20
[ 0.255637] [<ffffffff812ff921>] add_disk+0x3e1/0x470
[ 0.256022] [<ffffffff812ffbc2>] ? alloc_disk_node+0x102/0x130
[ 0.256461] [<ffffffff81f7d865>] ? brd_init+0x153/0x153
[ 0.256843] [<ffffffff81f7da21>] mybrd_init+0x1bc/0x253
[ 0.257236] [<ffffffff810003b1>] do_one_initcall+0x81/0x1b0
[ 0.257653] [<ffffffff81f3b08e>] kernel_init_freeable+0x158/0x1e3
[ 0.258106] [<ffffffff818897d0>] ? rest_init+0x80/0x80
[ 0.258489] [<ffffffff818897d9>] kernel_init+0x9/0xe0
[ 0.258869] [<ffffffff8188f1cf>] ret_from_fork+0x3f/0x70
[ 0.259271] [<ffffffff818897d0>] ? rest_init+0x80/0x80
[ 0.259656] mybrd: prep-request: len=4096 disk=ffff880006f52000 start_time=4294667446 end_io= (null)
[ 0.260382] mybrd: end prep_rq_fn
[ 0.260631] mybrd: fetch-request: req=ffff88000673a560 len=4096 disk=ffff880006f52000 start_time=4294667446 end_io= (null)
[ 0.261510] mybrd: end request_fn
[ 0.261760] mybrd: start request_fn: q=ffff880000048000 irqmode=0
[ 0.262210] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.4.0+ #23
[ 0.262653] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu1 04/01/2014
[ 0.263297] ffff88000673a560 ffff880006d03900 ffffffff8130dadf ffff880000048000
[ 0.263813] ffff880006d03920 ffffffff814fa120 ffff880000048000 ffff88000673a560
[ 0.264388] ffff880006d03938 ffffffff812ebe6e ffff880000048000 ffff880006d03980
[ 0.264934] Call Trace:
[ 0.265102] [<ffffffff8130dadf>] dump_stack+0x44/0x55
[ 0.265483] [<ffffffff814fa120>] mybrd_request_fn+0x20/0xa0
[ 0.265891] [<ffffffff812ebe6e>] __blk_run_queue+0x2e/0x40
[ 0.266299] [<ffffffff812f191b>] blk_queue_bio+0x32b/0x330
[ 0.266759] [<ffffffff812efc8e>] generic_make_request+0xce/0x1a0
[ 0.267250] [<ffffffff812efdc2>] submit_bio+0x62/0x140
[ 0.267643] [<ffffffff8119fa78>] submit_bh_wbc.isra.38+0xf8/0x130
[ 0.268101] [<ffffffff8119fdef>] block_read_full_page+0x24f/0x2f0
[ 0.268580] [<ffffffff811a1e50>] ? I_BDEV+0x10/0x10
[ 0.268960] [<ffffffff8111a96b>] ? __add_to_page_cache_locked+0x11b/0x1b0
[ 0.269458] [<ffffffff811a2820>] ? blkdev_readpages+0x20/0x20
[ 0.269895] [<ffffffff811a2833>] blkdev_readpage+0x13/0x20
[ 0.270321] [<ffffffff8111ad08>] do_read_cache_page+0x78/0x1a0
[ 0.270770] [<ffffffff8111ae44>] read_cache_page+0x14/0x20
[ 0.271170] [<ffffffff81301358>] read_dev_sector+0x28/0x90
[ 0.271607] [<ffffffff813043f6>] read_lba+0x126/0x1e0
[ 0.271975] [<ffffffff81304ab7>] efi_partition+0xe7/0x720
[ 0.272408] [<ffffffff81318fec>] ? vsnprintf+0x24c/0x510
[ 0.272806] [<ffffffff81319339>] ? snprintf+0x39/0x40
[ 0.273147] [<ffffffff813049d0>] ? compare_gpts+0x260/0x260
[ 0.273563] [<ffffffff813025e9>] check_partition+0x139/0x220
[ 0.273984] [<ffffffff81301b63>] rescan_partitions+0xb3/0x2a0
[ 0.274437] [<ffffffff811a2e22>] __blkdev_get+0x282/0x3b0
[ 0.274789] [<ffffffff811a3ae2>] blkdev_get+0x112/0x300
[ 0.275194] [<ffffffff81185fae>] ? unlock_new_inode+0x3e/0x70
[ 0.275618] [<ffffffff811a26fc>] ? bdget+0x10c/0x120
[ 0.276009] [<ffffffff814dbc32>] ? put_device+0x12/0x20
[ 0.276420] [<ffffffff812ff921>] add_disk+0x3e1/0x470
[ 0.276812] [<ffffffff812ffbc2>] ? alloc_disk_node+0x102/0x130
[ 0.277262] [<ffffffff81f7d865>] ? brd_init+0x153/0x153
[ 0.277711] [<ffffffff81f7da21>] mybrd_init+0x1bc/0x253
[ 0.278060] [<ffffffff810003b1>] do_one_initcall+0x81/0x1b0
[ 0.278433] [<ffffffff81f3b08e>] kernel_init_freeable+0x158/0x1e3
[ 0.278914] [<ffffffff818897d0>] ? rest_init+0x80/0x80
[ 0.279310] [<ffffffff818897d9>] kernel_init+0x9/0xe0
[ 0.279699] [<ffffffff8188f1cf>] ret_from_fork+0x3f/0x70
[ 0.280109] [<ffffffff818897d0>] ? rest_init+0x80/0x80
[ 0.280508] mybrd: end request_fn
[ 0.280955] mybrd: start request_fn: q=ffff880000048000 irqmode=0
[ 0.281438] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.4.0+ #23
[ 0.281893] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu1 04/01/2014
[ 0.282603] ffff880000048000 ffff880006d03960 ffffffff8130dadf ffff880000048000
[ 0.283184] ffff880006d03980 ffffffff814fa120 ffff880000048000 ffff880000048000
[ 0.283740] ffff880006d03998 ffffffff812ebe6e ffff880000048000 ffff880006d039d0
[ 0.284306] Call Trace:
[ 0.284489] [<ffffffff8130dadf>] dump_stack+0x44/0x55
[ 0.284868] [<ffffffff814fa120>] mybrd_request_fn+0x20/0xa0
[ 0.285283] [<ffffffff812ebe6e>] __blk_run_queue+0x2e/0x40
[ 0.285690] [<ffffffff812eab6a>] __elv_add_request+0xfa/0x290
[ 0.286117] [<ffffffff812f1913>] blk_queue_bio+0x323/0x330
[ 0.286524] [<ffffffff812efc8e>] generic_make_request+0xce/0x1a0
[ 0.286956] [<ffffffff812efdc2>] submit_bio+0x62/0x140
[ 0.287339] [<ffffffff8119fa78>] submit_bh_wbc.isra.38+0xf8/0x130
[ 0.287791] [<ffffffff8119fdef>] block_read_full_page+0x24f/0x2f0
[ 0.288243] [<ffffffff811a1e50>] ? I_BDEV+0x10/0x10
[ 0.288609] [<ffffffff8111a96b>] ? __add_to_page_cache_locked+0x11b/0x1b0
[ 0.289154] [<ffffffff811a2820>] ? blkdev_readpages+0x20/0x20
[ 0.289583] [<ffffffff811a2833>] blkdev_readpage+0x13/0x20
[ 0.289991] [<ffffffff8111ad08>] do_read_cache_page+0x78/0x1a0
[ 0.290425] [<ffffffff8111ae44>] read_cache_page+0x14/0x20
[ 0.290833] [<ffffffff81301358>] read_dev_sector+0x28/0x90
[ 0.291255] [<ffffffff81302783>] amiga_partition+0x53/0x410
[ 0.291692] [<ffffffff81303fe0>] ? sgi_partition+0x190/0x190
[ 0.292124] [<ffffffff81304298>] ? sun_partition+0x2b8/0x2f0
[ 0.292554] [<ffffffff81303e3a>] ? osf_partition+0x15a/0x170
[ 0.292974] [<ffffffff81319339>] ? snprintf+0x39/0x40
[ 0.293352] [<ffffffff81302730>] ? put_partition+0x60/0x60
[ 0.293762] [<ffffffff813025e9>] check_partition+0x139/0x220
[ 0.294183] [<ffffffff81301b63>] rescan_partitions+0xb3/0x2a0
[ 0.294589] [<ffffffff811a2e22>] __blkdev_get+0x282/0x3b0
[ 0.294922] [<ffffffff811a3ae2>] blkdev_get+0x112/0x300
[ 0.295264] [<ffffffff81185fae>] ? unlock_new_inode+0x3e/0x70
[ 0.295658] [<ffffffff811a26fc>] ? bdget+0x10c/0x120
[ 0.296017] [<ffffffff814dbc32>] ? put_device+0x12/0x20
[ 0.296451] [<ffffffff812ff921>] add_disk+0x3e1/0x470
[ 0.296820] [<ffffffff812ffbc2>] ? alloc_disk_node+0x102/0x130
[ 0.297257] [<ffffffff81f7d865>] ? brd_init+0x153/0x153
[ 0.297634] [<ffffffff81f7da21>] mybrd_init+0x1bc/0x253
[ 0.298052] [<ffffffff810003b1>] do_one_initcall+0x81/0x1b0
[ 0.298485] [<ffffffff81f3b08e>] kernel_init_freeable+0x158/0x1e3
[ 0.298892] [<ffffffff818897d0>] ? rest_init+0x80/0x80
[ 0.299241] [<ffffffff818897d9>] kernel_init+0x9/0xe0
[ 0.299618] [<ffffffff8188f1cf>] ret_from_fork+0x3f/0x70
[ 0.300020] [<ffffffff818897d0>] ? rest_init+0x80/0x80
[ 0.300415] mybrd: start prep_rq_fn: q=ffff880000048000 req=ffff88000673a560
[ 0.300885] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.4.0+ #23
[ 0.301341] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu1 04/01/2014
[ 0.302007] ffff8800063274c0 ffff880006d03900 ffffffff8130dadf ffff88000673a560
[ 0.302563] ffff880006d03920 ffffffff814fa0a8 ffff880000048000 ffff88000673a560
[ 0.303105] ffff880006d03948 ffffffff812f11d8 ffff880000048000 ffff880000048000
[ 0.303657] Call Trace:
[ 0.303845] [<ffffffff8130dadf>] dump_stack+0x44/0x55
[ 0.304235] [<ffffffff814fa0a8>] mybrd_prep_rq_fn+0x28/0x80
[ 0.304677] [<ffffffff812f11d8>] blk_peek_request+0x158/0x260
[ 0.305119] [<ffffffff812f12ea>] blk_fetch_request+0xa/0x20
[ 0.305549] [<ffffffff814fa128>] mybrd_request_fn+0x28/0xa0
[ 0.305990] [<ffffffff812ebe6e>] __blk_run_queue+0x2e/0x40
[ 0.306439] [<ffffffff812eab6a>] __elv_add_request+0xfa/0x290
[ 0.306883] [<ffffffff812f1913>] blk_queue_bio+0x323/0x330
[ 0.307321] [<ffffffff812efc8e>] generic_make_request+0xce/0x1a0
[ 0.307714] [<ffffffff812efdc2>] submit_bio+0x62/0x140
[ 0.308071] [<ffffffff8119fa78>] submit_bh_wbc.isra.38+0xf8/0x130
[ 0.308482] [<ffffffff8119fdef>] block_read_full_page+0x24f/0x2f0
[ 0.308914] [<ffffffff811a1e50>] ? I_BDEV+0x10/0x10
[ 0.309224] [<ffffffff8111a96b>] ? __add_to_page_cache_locked+0x11b/0x1b0
[ 0.309737] [<ffffffff811a2820>] ? blkdev_readpages+0x20/0x20
[ 0.310126] [<ffffffff811a2833>] blkdev_readpage+0x13/0x20
[ 0.310486] [<ffffffff8111ad08>] do_read_cache_page+0x78/0x1a0
[ 0.310939] [<ffffffff8111ae44>] read_cache_page+0x14/0x20
[ 0.311318] [<ffffffff81301358>] read_dev_sector+0x28/0x90
[ 0.311682] [<ffffffff81302783>] amiga_partition+0x53/0x410
[ 0.312070] [<ffffffff81303fe0>] ? sgi_partition+0x190/0x190
[ 0.312486] [<ffffffff81304298>] ? sun_partition+0x2b8/0x2f0
[ 0.312864] [<ffffffff81303e3a>] ? osf_partition+0x15a/0x170
[ 0.313226] [<ffffffff81319339>] ? snprintf+0x39/0x40
[ 0.313564] [<ffffffff81302730>] ? put_partition+0x60/0x60
[ 0.313929] [<ffffffff813025e9>] check_partition+0x139/0x220
[ 0.314376] [<ffffffff81301b63>] rescan_partitions+0xb3/0x2a0
[ 0.314758] [<ffffffff811a2e22>] __blkdev_get+0x282/0x3b0
[ 0.315149] [<ffffffff811a3ae2>] blkdev_get+0x112/0x300
[ 0.315499] [<ffffffff81185fae>] ? unlock_new_inode+0x3e/0x70
[ 0.315926] [<ffffffff811a26fc>] ? bdget+0x10c/0x120
[ 0.316296] [<ffffffff814dbc32>] ? put_device+0x12/0x20
[ 0.316685] [<ffffffff812ff921>] add_disk+0x3e1/0x470
[ 0.317037] [<ffffffff812ffbc2>] ? alloc_disk_node+0x102/0x130
[ 0.317493] [<ffffffff81f7d865>] ? brd_init+0x153/0x153
[ 0.317882] [<ffffffff81f7da21>] mybrd_init+0x1bc/0x253
[ 0.318231] [<ffffffff810003b1>] do_one_initcall+0x81/0x1b0
[ 0.318603] [<ffffffff81f3b08e>] kernel_init_freeable+0x158/0x1e3
[ 0.319066] [<ffffffff818897d0>] ? rest_init+0x80/0x80
[ 0.319456] [<ffffffff818897d9>] kernel_init+0x9/0xe0
[ 0.319846] [<ffffffff8188f1cf>] ret_from_fork+0x3f/0x70
[ 0.320257] [<ffffffff818897d0>] ? rest_init+0x80/0x80
[ 0.320628] mybrd: prep-request: len=4096 disk=ffff880006f52000 start_time=4294667507 end_io= (null)
[ 0.321370] mybrd: end prep_rq_fn
[ 0.321624] mybrd: fetch-request: req=ffff88000673a560 len=4096 disk=ffff880006f52000 start_time=4294667507 end_io= (null)
[ 0.322537] mybrd: end request_fn
[ 0.322783] mybrd: start request_fn: q=ffff880000048000 irqmode=0
[ 0.323200] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.4.0+ #23
[ 0.323583] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu1 04/01/2014
[ 0.324173] ffff88000673a560 ffff880006d03998 ffffffff8130dadf ffff880000048000
[ 0.324695] ffff880006d039b8 ffffffff814fa120 ffff880000048000 ffff88000673a560
[ 0.325209] ffff880006d039d0 ffffffff812ebe6e ffff880000048000 ffff880006d03a18
[ 0.325737] Call Trace:
[ 0.325897] [<ffffffff8130dadf>] dump_stack+0x44/0x55
[ 0.326216] [<ffffffff814fa120>] mybrd_request_fn+0x20/0xa0
[ 0.326558] [<ffffffff812ebe6e>] __blk_run_queue+0x2e/0x40
[ 0.326884] [<ffffffff812f191b>] blk_queue_bio+0x32b/0x330
[ 0.327277] [<ffffffff812efc8e>] generic_make_request+0xce/0x1a0
[ 0.327770] [<ffffffff812efdc2>] submit_bio+0x62/0x140
[ 0.328133] [<ffffffff8119fa78>] submit_bh_wbc.isra.38+0xf8/0x130
[ 0.328599] [<ffffffff8119fdef>] block_read_full_page+0x24f/0x2f0
[ 0.329032] [<ffffffff811a1e50>] ? I_BDEV+0x10/0x10
[ 0.329376] [<ffffffff8111a96b>] ? __add_to_page_cache_locked+0x11b/0x1b0
[ 0.329886] [<ffffffff811a2820>] ? blkdev_readpages+0x20/0x20
[ 0.330260] [<ffffffff811a2833>] blkdev_readpage+0x13/0x20
[ 0.330633] [<ffffffff8111ad08>] do_read_cache_page+0x78/0x1a0
[ 0.331167] [<ffffffff8111ae44>] read_cache_page+0x14/0x20
[ 0.331566] [<ffffffff81301358>] read_dev_sector+0x28/0x90
[ 0.331979] [<ffffffff81302783>] amiga_partition+0x53/0x410
[ 0.332370] [<ffffffff81303fe0>] ? sgi_partition+0x190/0x190
[ 0.332780] [<ffffffff81304298>] ? sun_partition+0x2b8/0x2f0
[ 0.333174] [<ffffffff81303e3a>] ? osf_partition+0x15a/0x170
[ 0.333565] [<ffffffff81319339>] ? snprintf+0x39/0x40
[ 0.333932] [<ffffffff81302730>] ? put_partition+0x60/0x60
[ 0.334329] [<ffffffff813025e9>] check_partition+0x139/0x220
[ 0.334718] [<ffffffff81301b63>] rescan_partitions+0xb3/0x2a0
[ 0.335131] [<ffffffff811a2e22>] __blkdev_get+0x282/0x3b0
[ 0.335507] [<ffffffff811a3ae2>] blkdev_get+0x112/0x300
[ 0.335858] [<ffffffff81185fae>] ? unlock_new_inode+0x3e/0x70
[ 0.336260] [<ffffffff811a26fc>] ? bdget+0x10c/0x120
[ 0.336603] [<ffffffff814dbc32>] ? put_device+0x12/0x20
[ 0.336991] [<ffffffff812ff921>] add_disk+0x3e1/0x470
[ 0.337348] [<ffffffff812ffbc2>] ? alloc_disk_node+0x102/0x130
[ 0.337750] [<ffffffff81f7d865>] ? brd_init+0x153/0x153
[ 0.338104] [<ffffffff81f7da21>] mybrd_init+0x1bc/0x253
[ 0.338461] [<ffffffff810003b1>] do_one_initcall+0x81/0x1b0
[ 0.338861] [<ffffffff81f3b08e>] kernel_init_freeable+0x158/0x1e3
[ 0.339370] [<ffffffff818897d0>] ? rest_init+0x80/0x80
[ 0.339730] [<ffffffff818897d9>] kernel_init+0x9/0xe0
[ 0.340087] [<ffffffff8188f1cf>] ret_from_fork+0x3f/0x70
[ 0.340451] [<ffffffff818897d0>] ? rest_init+0x80/0x80
[ 0.340792] mybrd: end request_fn
[ 0.341107] mybrd: end mybrd_alloc
[ 0.341333] mybrd: global-mybrd=ffff8800063274c0
[ 0.341681] mybrd:
[ 0.341681]
[ 0.341681]
[ 0.341681] mybrd: module loaded
[ 0.341681]
[ 0.341681]
[ 0.341681]
[ 0.343140] loop: module loaded
[ 0.344051] scsi host0: ata_piix
[ 0.344378] scsi host1: ata_piix
[ 0.344635] ata1: PATA max MWDMA2 cmd 0x1f0 ctl 0x3f6 bmdma 0xc040 irq 14
[ 0.345115] ata2: PATA max MWDMA2 cmd 0x170 ctl 0x376 bmdma 0xc048 irq 15
[ 0.345827] e100: Intel(R) PRO/100 Network Driver, 3.5.24-k2-NAPI
[ 0.346242] e100: Copyright(c) 1999-2006 Intel Corporation
[ 0.346749] e1000: Intel(R) PRO/1000 Network Driver - version 7.3.21-k8-NAPI
[ 0.347235] e1000: Copyright (c) 1999-2006 Intel Corporation.
[ 0.358991] ACPI: PCI Interrupt Link [LNKC] enabled at IRQ 11
[ 0.618261] ata2.00: ATAPI: QEMU DVD-ROM, 2.3.0, max UDMA/100
[ 0.618909] ata2.00: configured for MWDMA2
[ 0.619461] scsi 1:0:0:0: CD-ROM QEMU QEMU DVD-ROM 2.3. PQ: 0 ANSI: 5
[ 0.630655] sr 1:0:0:0: [sr0] scsi3-mmc drive: 4x/4x cd/rw xa/form2 tray
[ 0.631253] cdrom: Uniform CD-ROM driver Revision: 3.20
[ 0.631954] sr 1:0:0:0: Attached scsi generic sg0 type 5
[ 0.644652] e1000 0000:00:03.0 eth0: (PCI:33MHz:32-bit) 52:54:00:12:34:56
[ 0.645105] e1000 0000:00:03.0 eth0: Intel(R) PRO/1000 Network Connection
[ 0.645732] sky2: driver version 1.30
[ 0.646102] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[ 0.646561] ehci-pci: EHCI PCI platform driver
[ 0.646887] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
[ 0.647288] ohci-pci: OHCI PCI platform driver
[ 0.647747] uhci_hcd: USB Universal Host Controller Interface driver
[ 0.648329] usbcore: registered new interface driver usblp
[ 0.648791] usbcore: registered new interface driver usb-storage
[ 0.649238] i8042: PNP: PS/2 Controller [PNP0303:KBD,PNP0f13:MOU] at 0x60,0x64 irq 1,12
[ 0.650287] serio: i8042 KBD port at 0x60,0x64 irq 1
[ 0.650665] serio: i8042 AUX port at 0x60,0x64 irq 12
[ 0.651172] mousedev: PS/2 mouse device common for all mice
[ 0.651774] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input1
[ 0.653218] rtc_cmos 00:00: RTC can wake from S4
[ 0.653687] rtc_cmos 00:00: rtc core: registered rtc_cmos as rtc0
[ 0.654208] rtc_cmos 00:00: alarms up to one day, 114 bytes nvram, hpet irqs
[ 0.654823] device-mapper: ioctl: 4.34.0-ioctl (2015-10-28) initialised: [email protected]
[ 0.655443] hidraw: raw HID events driver (C) Jiri Kosina
[ 0.655991] usbcore: registered new interface driver usbhid
[ 0.656391] usbhid: USB HID core driver
[ 0.656815] Netfilter messages via NETLINK v0.30.
[ 0.657138] nf_conntrack version 0.5.0 (864 buckets, 3456 max)
[ 0.657636] ctnetlink v0.93: registering with nfnetlink.
[ 0.658078] ip_tables: (C) 2000-2006 Netfilter Core Team
[ 0.658695] Initializing XFRM netlink socket
[ 0.659082] NET: Registered protocol family 10
[ 0.659513] ip6_tables: (C) 2000-2006 Netfilter Core Team
[ 0.659936] sit: IPv6 over IPv4 tunneling driver
[ 0.660394] NET: Registered protocol family 17
[ 0.660698] 9pnet: Installing 9P2000 support
[ 0.661092] Key type dns_resolver registered
[ 0.661541] microcode: CPU0 sig=0x306c3, pf=0x1, revision=0x1
[ 0.661980] microcode: Microcode Update Driver: v2.01 <[email protected]>, Peter Oruba
[ 0.662694] registered taskstats version 1
[ 0.663083] Magic number: 4:299:739
[ 0.663370] console [netcon0] enabled
[ 0.663606] netconsole: network logging started
[ 0.663947] ALSA device list:
[ 0.664171] No soundcards found.
[ 0.665132] Freeing unused kernel memory: 1140K (ffffffff81f23000 - ffffffff82040000)
[ 0.665689] Write protecting the kernel read-only data: 14336k
[ 0.666536] Freeing unused kernel memory: 1448K (ffff880001896000 - ffff880001a00000)
[ 0.668952] Freeing unused kernel memory: 1300K (ffff880001cbb000 - ffff880001e00000)
[ 0.676924] mdev (991) used greatest stack depth: 14088 bytes left
Boot took 0.60 seconds
[ 0.678175] mybrd: start mybrd_probe
[ 0.678505] mybrd: end mybrd_probe: ret=ffff880006f52080
[ 0.678942] mybrd: start mybrd_probe
[ 0.679216] mybrd: end mybrd_probe: ret=ffff880006f52080
[ 0.679660] mybrd: start request_fn: q=ffff880000048000 irqmode=0
[ 0.680052] CPU: 0 PID: 993 Comm: mount Not tainted 4.4.0+ #23
[ 0.680451] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu1 04/01/2014
[ 0.681118] ffff88000673aac0 ffff880006313b18 ffffffff8130dadf ffff880000048000
[ 0.681676] ffff880006313b38 ffffffff814fa120 ffff880000048000 ffff88000673aac0
[ 0.682186] ffff880006313b50 ffffffff812ebe6e ffff880000048000 ffff880006313b98
[ 0.682717] Call Trace:
[ 0.682889] [<ffffffff8130dadf>] dump_stack+0x44/0x55
[ 0.683236] [<ffffffff814fa120>] mybrd_request_fn+0x20/0xa0
[ 0.683615] [<ffffffff812ebe6e>] __blk_run_queue+0x2e/0x40
[ 0.683991] [<ffffffff812f191b>] blk_queue_bio+0x32b/0x330
[ 0.684381] [<ffffffff812efc8e>] generic_make_request+0xce/0x1a0
[ 0.684781] [<ffffffff812efdc2>] submit_bio+0x62/0x140
[ 0.685114] [<ffffffff8119fa78>] submit_bh_wbc.isra.38+0xf8/0x130
[ 0.685640] [<ffffffff8119fb1a>] __bread_gfp+0x4a/0xd0
[ 0.686014] [<ffffffff8120a8c6>] ext4_fill_super+0x1c6/0x3300
[ 0.686402] [<ffffffff81319339>] ? snprintf+0x39/0x40
[ 0.686737] [<ffffffff81170e9b>] mount_bdev+0x17b/0x1b0
[ 0.687109] [<ffffffff8120a700>] ? ext4_calculate_overhead+0x360/0x360
[ 0.687543] [<ffffffff811fcc00>] ext4_mount+0x10/0x20
[ 0.687876] [<ffffffff81171823>] mount_fs+0x33/0x160
[ 0.688211] [<ffffffff81138760>] ? __alloc_percpu+0x10/0x20
[ 0.688572] [<ffffffff8118b092>] vfs_kern_mount+0x62/0x100
[ 0.688945] [<ffffffff8118d438>] do_mount+0x218/0xd80
[ 0.689317] [<ffffffff811688f8>] ? __kmalloc_track_caller+0x108/0x180
[ 0.689797] [<ffffffff81134041>] ? strndup_user+0x41/0xa0
[ 0.690160] [<ffffffff81133fcd>] ? memdup_user+0x3d/0x70
[ 0.690514] [<ffffffff8118e2c7>] SyS_mount+0x87/0xd0
[ 0.690847] [<ffffffff8188ee6e>] entry_SYSCALL_64_fastpath+0x12/0x71
[ 0.691291] mybrd: start prep_rq_fn: q=ffff880000048000 req=ffff88000673aac0
[ 0.691765] CPU: 0 PID: 993 Comm: mount Not tainted 4.4.0+ #23
[ 0.692176] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu1 04/01/2014
[ 0.692795] ffff8800063274c0 ffff880006313ab8 ffffffff8130dadf ffff88000673aac0
[ 0.693340] ffff880006313ad8 ffffffff814fa0a8 ffff880000048000 ffff88000673aac0
[ 0.693862] ffff880006313b00 ffffffff812f11d8 ffff880000048000 ffff88000673aac0
[ 0.694458] Call Trace:
[ 0.694631] [<ffffffff8130dadf>] dump_stack+0x44/0x55
[ 0.694975] [<ffffffff814fa0a8>] mybrd_prep_rq_fn+0x28/0x80
[ 0.695354] [<ffffffff812f11d8>] blk_peek_request+0x158/0x260
[ 0.695742] [<ffffffff812f12ea>] blk_fetch_request+0xa/0x20
[ 0.696111] [<ffffffff814fa128>] mybrd_request_fn+0x28/0xa0
[ 0.696480] [<ffffffff812ebe6e>] __blk_run_queue+0x2e/0x40
[ 0.696834] [<ffffffff812f191b>] blk_queue_bio+0x32b/0x330
[ 0.697216] [<ffffffff812efc8e>] generic_make_request+0xce/0x1a0
[ 0.697608] [<ffffffff812efdc2>] submit_bio+0x62/0x140
[ 0.697950] [<ffffffff8119fa78>] submit_bh_wbc.isra.38+0xf8/0x130
[ 0.698346] [<ffffffff8119fb1a>] __bread_gfp+0x4a/0xd0
[ 0.698714] [<ffffffff8120a8c6>] ext4_fill_super+0x1c6/0x3300
[ 0.699094] [<ffffffff81319339>] ? snprintf+0x39/0x40
[ 0.699439] [<ffffffff81170e9b>] mount_bdev+0x17b/0x1b0
[ 0.699794] [<ffffffff8120a700>] ? ext4_calculate_overhead+0x360/0x360
[ 0.700214] [<ffffffff811fcc00>] ext4_mount+0x10/0x20
[ 0.700535] [<ffffffff81171823>] mount_fs+0x33/0x160
[ 0.700869] [<ffffffff81138760>] ? __alloc_percpu+0x10/0x20
[ 0.701228] [<ffffffff8118b092>] vfs_kern_mount+0x62/0x100
[ 0.701624] [<ffffffff8118d438>] do_mount+0x218/0xd80
[ 0.701957] [<ffffffff811688f8>] ? __kmalloc_track_caller+0x108/0x180
[ 0.702396] [<ffffffff81134041>] ? strndup_user+0x41/0xa0
[ 0.702756] [<ffffffff81133fcd>] ? memdup_user+0x3d/0x70
[ 0.703147] [<ffffffff8118e2c7>] SyS_mount+0x87/0xd0
[ 0.703470] [<ffffffff8188ee6e>] entry_SYSCALL_64_fastpath+0x12/0x71
[ 0.703886] mybrd: prep-request: len=4096 disk=ffff880006f52000 start_time=4294667906 end_io= (null)
[ 0.704533] mybrd: end prep_rq_fn
[ 0.704760] mybrd: fetch-request: req=ffff88000673aac0 len=4096 disk=ffff880006f52000 start_time=4294667906 end_io= (null)
[ 0.705559] mybrd: end request_fn
mount: mounting /dev/vda on /mnt failed: Invalid argument
[ 0.706187] mount (993) used greatest stack depth: 13440 bytes left
/bin/sh: can't access tty; job control turned off
/ # [ 0.707237] mybrd: start request_fn: q=ffff880000048000 irqmode=0
[ 0.707600] CPU: 0 PID: 5 Comm: kworker/0:0H Not tainted 4.4.0+ #23
[ 0.708028] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu1 04/01/2014
[ 0.708883] Workqueue: kblockd cfq_kick_queue
[ 0.709208] ffff880006e19d20 ffff880006d2bdc8 ffffffff8130dadf ffff880000048000
[ 0.709740] ffff880006d2bde8 ffffffff814fa120 ffff880000048000 ffff880006e19d20
[ 0.710381] ffff880006d2be00 ffffffff812ebe6e ffff880000048000 ffff880006d2be20
[ 0.711053] Call Trace:
[ 0.711218] [<ffffffff8130dadf>] dump_stack+0x44/0x55
[ 0.711595] [<ffffffff814fa120>] mybrd_request_fn+0x20/0xa0
[ 0.711964] [<ffffffff812ebe6e>] __blk_run_queue+0x2e/0x40
[ 0.712342] [<ffffffff8130829a>] cfq_kick_queue+0x2a/0x40
[ 0.712711] [<ffffffff8106c450>] process_one_work+0x1a0/0x430
[ 0.713103] [<ffffffff8106c726>] worker_thread+0x46/0x4a0
[ 0.713461] [<ffffffff8106c6e0>] ? process_one_work+0x430/0x430
[ 0.713851] [<ffffffff81071ac4>] kthread+0xc4/0xe0
[ 0.714167] [<ffffffff81071a00>] ? kthread_worker_fn+0x170/0x170
[ 0.714563] [<ffffffff8188f1cf>] ret_from_fork+0x3f/0x70
[ 0.714936] [<ffffffff81071a00>] ? kthread_worker_fn+0x170/0x170
[ 0.715336] mybrd: end request_fn
[ 1.181417] tsc: Refined TSC clocksource calibration: 3591.589 MHz
[ 1.181921] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x33c549aca23, max_idle_ns: 440795339673 ns
[ 1.252957] input: ImExPS/2 Generic Explorer Mouse as /devices/platform/i8042/serio1/input/input3
QEMU 2.3.0 monitor - type 'help' for more information
(qemu) quit