* [regression] WARNING: at drivers/block/floppy.c:2929 do_fd_request+0xb7/0xb9() in 3.2.0-rc2 and 3
@ 2011-11-25 10:34 Ralf Hildebrandt
2011-12-05 17:21 ` Sergei Trofimovich
0 siblings, 1 reply; 4+ messages in thread
From: Ralf Hildebrandt @ 2011-11-25 10:34 UTC (permalink / raw)
To: linux-kernel
When booting, 3.2.0-rc2 and 3.2.0-rc3 report:
...
[ 0.412076] intel_idle: MWAIT substates: 0x2220
[ 0.412079] intel_idle: does not run on family 6 model 15
[ 0.412386] Floppy drive(s): fd0 is 1.44M
[ 1.354458] Refined TSC clocksource calibration: 3000.106 MHz.
[ 1.354519] Switching to clocksource tsc
[ 3.424080] floppy0: no floppy controllers found
[ 3.424191] ------------[ cut here ]------------
[ 3.424253] WARNING: at drivers/block/floppy.c:2929 do_fd_request+0xb7/0xb9()
[ 3.424317] Hardware name: ProLiant DL360 G5
[ 3.424370] VFS: do_fd_request called on non-open device
[ 3.424425] Modules linked in:
[ 3.424508] Pid: 1, comm: swapper Not tainted 3.2.0-rc3 #12
[ 3.424564] Call Trace:
[ 3.424617] [<c102b98c>] ? warn_slowpath_common+0x6c/0x95
[ 3.424673] [<c11b1667>] ? do_fd_request+0xb7/0xb9
[ 3.424728] [<c11b1667>] ? do_fd_request+0xb7/0xb9
[ 3.424783] [<c102ba3e>] ? warn_slowpath_fmt+0x33/0x37
[ 3.424839] [<c11b1667>] ? do_fd_request+0xb7/0xb9
[ 3.424895] [<c113cbab>] ? blk_drain_queue+0x46/0x54
[ 3.424950] [<c113cc74>] ? blk_cleanup_queue+0xbb/0x153
[ 3.425007] [<c13737a3>] ? floppy_init+0xd1a/0xd48
[ 3.425063] [<c1354670>] ? start_kernel+0x2c2/0x2c2
[ 3.425118] [<c1001027>] ? do_one_initcall+0x27/0x150
[ 3.425173] [<c1354670>] ? start_kernel+0x2c2/0x2c2
[ 3.425184] [<c1372a89>] ? set_cmos+0x79/0x79
[ 3.425184] [<c1354670>] ? start_kernel+0x2c2/0x2c2
[ 3.425184] [<c13546f1>] ? kernel_init+0x81/0x110
[ 3.425184] [<c126f53e>] ? kernel_thread_helper+0x6/0xd
[ 3.425184] ---[ end trace dd61103ea87a7da7 ]---
[ 3.425517] ------------[ cut here ]------------
[ 3.425571] WARNING: at drivers/block/floppy.c:2929 do_fd_request+0xb7/0xb9()
[ 3.425629] Hardware name: ProLiant DL360 G5
[ 3.425682] VFS: do_fd_request called on non-open device
[ 3.425737] Modules linked in:
[ 3.425819] Pid: 1, comm: swapper Tainted: G W 3.2.0-rc3 #12
[ 3.425876] Call Trace:
[ 3.425926] [<c102b98c>] ? warn_slowpath_common+0x6c/0x95
[ 3.425982] [<c11b1667>] ? do_fd_request+0xb7/0xb9
[ 3.426508] [<c11b1667>] ? do_fd_request+0xb7/0xb9
[ 3.426508] [<c102ba3e>] ? warn_slowpath_fmt+0x33/0x37
[ 3.426508] [<c11b1667>] ? do_fd_request+0xb7/0xb9
[ 3.426508] [<c113cbab>] ? blk_drain_queue+0x46/0x54
[ 3.426508] [<c113cc74>] ? blk_cleanup_queue+0xbb/0x153
[ 3.426508] [<c13737a3>] ? floppy_init+0xd1a/0xd48
[ 3.426508] [<c1354670>] ? start_kernel+0x2c2/0x2c2
[ 3.426508] [<c1001027>] ? do_one_initcall+0x27/0x150
[ 3.426508] [<c1354670>] ? start_kernel+0x2c2/0x2c2
[ 3.426508] [<c1372a89>] ? set_cmos+0x79/0x79
[ 3.426508] [<c1354670>] ? start_kernel+0x2c2/0x2c2
[ 3.426508] [<c13546f1>] ? kernel_init+0x81/0x110
[ 3.426508] [<c126f53e>] ? kernel_thread_helper+0x6/0xd
[ 3.426508] ---[ end trace dd61103ea87a7da8 ]---
[ 3.428496] ------------[ cut here ]------------
[ 3.428550] WARNING: at drivers/block/floppy.c:2929 do_fd_request+0xb7/0xb9()
[ 3.428608] Hardware name: ProLiant DL360 G5
[ 3.428661] VFS: do_fd_request called on non-open device
[ 3.428716] Modules linked in:
[ 3.428798] Pid: 1, comm: swapper Tainted: G W 3.2.0-rc3 #12
[ 3.428855] Call Trace:
[ 3.428906] [<c102b98c>] ? warn_slowpath_common+0x6c/0x95
[ 3.428961] [<c11b1667>] ? do_fd_request+0xb7/0xb9
[ 3.429017] [<c11b1667>] ? do_fd_request+0xb7/0xb9
[ 3.429071] [<c102ba3e>] ? warn_slowpath_fmt+0x33/0x37
[ 3.429127] [<c11b1667>] ? do_fd_request+0xb7/0xb9
[ 3.429182] [<c113cbab>] ? blk_drain_queue+0x46/0x54
[ 3.429237] [<c113cc74>] ? blk_cleanup_queue+0xbb/0x153
[ 3.429292] [<c13737a3>] ? floppy_init+0xd1a/0xd48
[ 3.429347] [<c1354670>] ? start_kernel+0x2c2/0x2c2
[ 3.429402] [<c1001027>] ? do_one_initcall+0x27/0x150
[ 3.429457] [<c1354670>] ? start_kernel+0x2c2/0x2c2
[ 3.429490] [<c1372a89>] ? set_cmos+0x79/0x79
[ 3.429490] [<c1354670>] ? start_kernel+0x2c2/0x2c2
[ 3.429490] [<c13546f1>] ? kernel_init+0x81/0x110
[ 3.429490] [<c126f53e>] ? kernel_thread_helper+0x6/0xd
[ 3.429490] ---[ end trace dd61103ea87a7da9 ]---
[ 3.429791] ------------[ cut here ]------------
[ 3.429846] WARNING: at drivers/block/floppy.c:2929 do_fd_request+0xb7/0xb9()
[ 3.429904] Hardware name: ProLiant DL360 G5
[ 3.429957] VFS: do_fd_request called on non-open device
[ 3.430011] Modules linked in:
[ 3.430093] Pid: 1, comm: swapper Tainted: G W 3.2.0-rc3 #12
[ 3.430150] Call Trace:
[ 3.430201] [<c102b98c>] ? warn_slowpath_common+0x6c/0x95
[ 3.430257] [<c11b1667>] ? do_fd_request+0xb7/0xb9
[ 3.430312] [<c11b1667>] ? do_fd_request+0xb7/0xb9
[ 3.430367] [<c102ba3e>] ? warn_slowpath_fmt+0x33/0x37
[ 3.430422] [<c11b1667>] ? do_fd_request+0xb7/0xb9
[ 3.430477] [<c113cbab>] ? blk_drain_queue+0x46/0x54
[ 3.430532] [<c113cc74>] ? blk_cleanup_queue+0xbb/0x153
[ 3.430588] [<c13737a3>] ? floppy_init+0xd1a/0xd48
[ 3.430643] [<c1354670>] ? start_kernel+0x2c2/0x2c2
[ 3.430698] [<c1001027>] ? do_one_initcall+0x27/0x150
[ 3.430753] [<c1354670>] ? start_kernel+0x2c2/0x2c2
[ 3.430786] [<c1372a89>] ? set_cmos+0x79/0x79
[ 3.430786] [<c1354670>] ? start_kernel+0x2c2/0x2c2
[ 3.430786] [<c13546f1>] ? kernel_init+0x81/0x110
[ 3.430786] [<c126f53e>] ? kernel_thread_helper+0x6/0xd
[ 3.430786] ---[ end trace dd61103ea87a7daa ]---
[ 3.431086] ------------[ cut here ]------------
[ 3.431141] WARNING: at drivers/block/floppy.c:2929 do_fd_request+0xb7/0xb9()
[ 3.431199] Hardware name: ProLiant DL360 G5
[ 3.431252] VFS: do_fd_request called on non-open device
[ 3.431306] Modules linked in:
[ 3.431389] Pid: 1, comm: swapper Tainted: G W 3.2.0-rc3 #12
[ 3.431446] Call Trace:
[ 3.431497] [<c102b98c>] ? warn_slowpath_common+0x6c/0x95
[ 3.431553] [<c11b1667>] ? do_fd_request+0xb7/0xb9
[ 3.431608] [<c11b1667>] ? do_fd_request+0xb7/0xb9
[ 3.431662] [<c102ba3e>] ? warn_slowpath_fmt+0x33/0x37
[ 3.431718] [<c11b1667>] ? do_fd_request+0xb7/0xb9
[ 3.431773] [<c113cbab>] ? blk_drain_queue+0x46/0x54
[ 3.431828] [<c113cc74>] ? blk_cleanup_queue+0xbb/0x153
[ 3.431883] [<c13737a3>] ? floppy_init+0xd1a/0xd48
[ 3.431938] [<c1354670>] ? start_kernel+0x2c2/0x2c2
[ 3.431993] [<c1001027>] ? do_one_initcall+0x27/0x150
[ 3.432048] [<c1354670>] ? start_kernel+0x2c2/0x2c2
[ 3.432081] [<c1372a89>] ? set_cmos+0x79/0x79
[ 3.432081] [<c1354670>] ? start_kernel+0x2c2/0x2c2
[ 3.432081] [<c13546f1>] ? kernel_init+0x81/0x110
[ 3.432081] [<c126f53e>] ? kernel_thread_helper+0x6/0xd
[ 3.432081] ---[ end trace dd61103ea87a7dab ]---
[ 3.432381] ------------[ cut here ]------------
[ 3.432436] WARNING: at drivers/block/floppy.c:2929 do_fd_request+0xb7/0xb9()
[ 3.432494] Hardware name: ProLiant DL360 G5
[ 3.432547] VFS: do_fd_request called on non-open device
[ 3.432601] Modules linked in:
[ 3.432683] Pid: 1, comm: swapper Tainted: G W 3.2.0-rc3 #12
[ 3.432740] Call Trace:
[ 3.432791] [<c102b98c>] ? warn_slowpath_common+0x6c/0x95
[ 3.432846] [<c11b1667>] ? do_fd_request+0xb7/0xb9
[ 3.432901] [<c11b1667>] ? do_fd_request+0xb7/0xb9
[ 3.432956] [<c102ba3e>] ? warn_slowpath_fmt+0x33/0x37
[ 3.433012] [<c11b1667>] ? do_fd_request+0xb7/0xb9
[ 3.433066] [<c113cbab>] ? blk_drain_queue+0x46/0x54
[ 3.433121] [<c113cc74>] ? blk_cleanup_queue+0xbb/0x153
[ 3.433177] [<c13737a3>] ? floppy_init+0xd1a/0xd48
[ 3.433232] [<c1354670>] ? start_kernel+0x2c2/0x2c2
[ 3.433286] [<c1001027>] ? do_one_initcall+0x27/0x150
[ 3.433341] [<c1354670>] ? start_kernel+0x2c2/0x2c2
[ 3.433376] [<c1372a89>] ? set_cmos+0x79/0x79
[ 3.433376] [<c1354670>] ? start_kernel+0x2c2/0x2c2
[ 3.433376] [<c13546f1>] ? kernel_init+0x81/0x110
[ 3.433376] [<c126f53e>] ? kernel_thread_helper+0x6/0xd
[ 3.433376] ---[ end trace dd61103ea87a7dac ]---
[ 3.433675] ------------[ cut here ]------------
[ 3.433730] WARNING: at drivers/block/floppy.c:2929 do_fd_request+0xb7/0xb9()
[ 3.433788] Hardware name: ProLiant DL360 G5
[ 3.433840] VFS: do_fd_request called on non-open device
[ 3.433895] Modules linked in:
[ 3.433977] Pid: 1, comm: swapper Tainted: G W 3.2.0-rc3 #12
[ 3.434034] Call Trace:
[ 3.434085] [<c102b98c>] ? warn_slowpath_common+0x6c/0x95
[ 3.434141] [<c11b1667>] ? do_fd_request+0xb7/0xb9
[ 3.434196] [<c11b1667>] ? do_fd_request+0xb7/0xb9
[ 3.434250] [<c102ba3e>] ? warn_slowpath_fmt+0x33/0x37
[ 3.434306] [<c11b1667>] ? do_fd_request+0xb7/0xb9
[ 3.434361] [<c113cbab>] ? blk_drain_queue+0x46/0x54
[ 3.434416] [<c113cc74>] ? blk_cleanup_queue+0xbb/0x153
[ 3.434471] [<c13737a3>] ? floppy_init+0xd1a/0xd48
[ 3.434526] [<c1354670>] ? start_kernel+0x2c2/0x2c2
[ 3.434581] [<c1001027>] ? do_one_initcall+0x27/0x150
[ 3.434636] [<c1354670>] ? start_kernel+0x2c2/0x2c2
[ 3.434670] [<c1372a89>] ? set_cmos+0x79/0x79
[ 3.434670] [<c1354670>] ? start_kernel+0x2c2/0x2c2
[ 3.434670] [<c13546f1>] ? kernel_init+0x81/0x110
[ 3.434670] [<c126f53e>] ? kernel_thread_helper+0x6/0xd
[ 3.434670] ---[ end trace dd61103ea87a7dad ]---
[ 3.434969] ------------[ cut here ]------------
[ 3.435024] WARNING: at drivers/block/floppy.c:2929 do_fd_request+0xb7/0xb9()
[ 3.435082] Hardware name: ProLiant DL360 G5
[ 3.435135] VFS: do_fd_request called on non-open device
[ 3.435189] Modules linked in:
[ 3.435272] Pid: 1, comm: swapper Tainted: G W 3.2.0-rc3 #12
[ 3.435328] Call Trace:
[ 3.435379] [<c102b98c>] ? warn_slowpath_common+0x6c/0x95
[ 3.435435] [<c11b1667>] ? do_fd_request+0xb7/0xb9
[ 3.435490] [<c11b1667>] ? do_fd_request+0xb7/0xb9
[ 3.435545] [<c102ba3e>] ? warn_slowpath_fmt+0x33/0x37
[ 3.435600] [<c11b1667>] ? do_fd_request+0xb7/0xb9
[ 3.435655] [<c113cbab>] ? blk_drain_queue+0x46/0x54
[ 3.435710] [<c113cc74>] ? blk_cleanup_queue+0xbb/0x153
[ 3.435766] [<c13737a3>] ? floppy_init+0xd1a/0xd48
[ 3.435821] [<c1354670>] ? start_kernel+0x2c2/0x2c2
[ 3.435875] [<c1001027>] ? do_one_initcall+0x27/0x150
[ 3.435930] [<c1354670>] ? start_kernel+0x2c2/0x2c2
[ 3.435964] [<c1372a89>] ? set_cmos+0x79/0x79
[ 3.435964] [<c1354670>] ? start_kernel+0x2c2/0x2c2
[ 3.435964] [<c13546f1>] ? kernel_init+0x81/0x110
[ 3.435964] [<c126f53e>] ? kernel_thread_helper+0x6/0xd
[ 3.435964] ---[ end trace dd61103ea87a7dae ]---
[ 3.436263] Compaq SMART2 Driver (v 2.6.0)
[ 3.436400] HP CISS Driver (v 3.6.26)
[ 3.436545] cciss 0000:06:00.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16
[ 3.536824] cciss 0000:06:00.0: cciss0: <0x3230> at PCI 0000:06:00.0 IRQ 16 using DAC
[ 3.541276] cciss/c0d0: p1 < p5 p6 >
[ 3.541718] Uniform Multi-Platform E-IDE driver
[ 3.541905] piix 0000:00:1f.1: IDE controller (0x8086:0x269e rev 0x09)
[ 3.541971] pci 0000:00:1f.1: PCI INT A -> GSI 17 (level, low) -> IRQ 17
[ 3.542058] piix 0000:00:1f.1: not 100% native mode: will probe irqs later
[ 3.542119] ide0: BM-DMA at 0x0500-0x0507
[ 3.542177] ide1: BM-DMA at 0x0508-0x050f
[ 3.542233] Probing IDE interface ide0...
[ 4.214230] hda: HL-DT-STCD-RW/DVD DRIVE GCC-C10N, ATAPI CD/DVD-ROM drive
[ 4.520106] hda: host max PIO4 wanted PIO255(auto-tune) selected PIO4
[ 4.521096] hda: UDMA/33 mode selected
[ 4.522099] Probing IDE interface ide1...
[ 5.041112] ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
[ 5.041230] ide1 at 0x170-0x177,0x376 on irq 15
[ 5.041666] ide_generic: please use "probe_mask=0x3f" module parameter for probing all legacy ISA IDE ports
[ 5.041746] ide-gd driver 1.18
[ 5.041858] ide-cd driver 5.00
[ 5.044132] ide-cd: hda: ATAPI 24X DVD-ROM CD-R/RW drive, 2048kB Cache
[ 5.044366] cdrom: Uniform CD-ROM driver Revision: 3.20
[ 5.062928] i8042: PNP: PS/2 Controller [PNP0303:KBD,PNP0f0e:PS2M] at 0x60,0x64 irq 1,12
[ 5.064667] serio: i8042 KBD port at 0x60,0x64 irq 1
[ 5.064724] serio: i8042 AUX port at 0x60,0x64 irq 12
[ 5.064892] mousedev: PS/2 mouse device common for all mice
[ 5.065002] cpuidle: using governor ladder
[ 5.066757] cpuidle: using governor menu
[ 5.066818] TCP cubic registered
[ 5.066870] NET: Registered protocol family 17
[ 5.066931] Using IPI Shortcut mode
[ 5.066988] registered taskstats version 1
[ 5.148680] kjournald starting. Commit interval 5 seconds
[ 5.148724] EXT3-fs (cciss/c0d0p5): mounted filesystem with writeback data mode
[ 5.148733] VFS: Mounted root (ext3 filesystem) readonly on device 104:5.
[ 5.148901] Freeing unused kernel memory: 348k freed
[ 6.395528] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0
[ 6.395580] thermal LNXTHERM:00: registered as thermal_zone0
[ 6.395582] ACPI: Thermal Zone [THM0] (8 C)
[ 6.395717] ACPI: Power Button [PWRF]
[ 6.410255] bnx2: Broadcom NetXtreme II Gigabit Ethernet Driver bnx2 v2.1.11 (July 20, 2011)
[ 6.531029] bnx2 0000:03:00.0: BAR 0: set to [mem 0xf8000000-0xf9ffffff 64bit] (PCI address [0xf8000000-0xf9ffffff])
[ 6.531120] bnx2 0000:03:00.0: PCI INT A -> GSI 18 (level, low) -> IRQ 18
[ 6.861251] bnx2 0000:03:00.0: eth0: Broadcom NetXtreme II BCM5708 1000Base-T (B2) PCI-X 64-bit 133MHz found at mem f8000000, IRQ 18, node addr 00:1e:0b:5f:f9:36
[ 6.861382] bnx2 0000:05:00.0: PCI INT A -> GSI 19 (level, low) -> IRQ 19
[ 7.191209] bnx2 0000:05:00.0: eth1: Broadcom NetXtreme II BCM5708 1000Base-T (B2) PCI-X 64-bit 133MHz found at mem fa000000, IRQ 19, node addr 00:1e:0b:5f:ca:84
[ 7.677759] Adding 1733980k swap on /dev/cciss/c0d0p6. Priority:-1 extents:1 across:1733980k
[ 7.814360] EXT3-fs (cciss/c0d0p5): using internal journal
[ 12.501807] bnx2 0000:03:00.0: eth0: NIC Copper Link is Up, 1000 Mbps full duplex, receive & transmit flow control ON
[ 30.347585] watchdog (2020): /proc/2020/oom_adj is deprecated, please use /proc/2020/oom_score_adj instead.
--
Ralf Hildebrandt
Geschäftsbereich IT | Abteilung Netzwerk
Charité - Universitätsmedizin Berlin
Campus Benjamin Franklin
Hindenburgdamm 30 | D-12203 Berlin
Tel. +49 30 450 570 155 | Fax: +49 30 450 570 962
ralf.hildebrandt@charite.de | http://www.charite.de
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [regression] WARNING: at drivers/block/floppy.c:2929 do_fd_request+0xb7/0xb9() in 3.2.0-rc2 and 3
2011-11-25 10:34 [regression] WARNING: at drivers/block/floppy.c:2929 do_fd_request+0xb7/0xb9() in 3.2.0-rc2 and 3 Ralf Hildebrandt
@ 2011-12-05 17:21 ` Sergei Trofimovich
2011-12-05 18:32 ` Tejun Heo
0 siblings, 1 reply; 4+ messages in thread
From: Sergei Trofimovich @ 2011-12-05 17:21 UTC (permalink / raw)
To: Tejun Heo, Jens Axboe; +Cc: Ralf Hildebrandt, linux-kernel
[-- Attachment #1: Type: text/plain, Size: 16293 bytes --]
> When booting, 3.2.0-rc2 and 3.2.0-rc3 report:
>
> ...
> [ 0.412076] intel_idle: MWAIT substates: 0x2220
> [ 0.412079] intel_idle: does not run on family 6 model 15
> [ 0.412386] Floppy drive(s): fd0 is 1.44M
> [ 1.354458] Refined TSC clocksource calibration: 3000.106 MHz.
> [ 1.354519] Switching to clocksource tsc
> [ 3.424080] floppy0: no floppy controllers found
> [ 3.424191] ------------[ cut here ]------------
> [ 3.424253] WARNING: at drivers/block/floppy.c:2929 do_fd_request+0xb7/0xb9()
> [ 3.424317] Hardware name: ProLiant DL360 G5
> [ 3.424370] VFS: do_fd_request called on non-open device
> [ 3.424425] Modules linked in:
> [ 3.424508] Pid: 1, comm: swapper Not tainted 3.2.0-rc3 #12
> [ 3.424564] Call Trace:
> [ 3.424617] [<c102b98c>] ? warn_slowpath_common+0x6c/0x95
> [ 3.424673] [<c11b1667>] ? do_fd_request+0xb7/0xb9
> [ 3.424728] [<c11b1667>] ? do_fd_request+0xb7/0xb9
> [ 3.424783] [<c102ba3e>] ? warn_slowpath_fmt+0x33/0x37
> [ 3.424839] [<c11b1667>] ? do_fd_request+0xb7/0xb9
> [ 3.424895] [<c113cbab>] ? blk_drain_queue+0x46/0x54
> [ 3.424950] [<c113cc74>] ? blk_cleanup_queue+0xbb/0x153
> [ 3.425007] [<c13737a3>] ? floppy_init+0xd1a/0xd48
> [ 3.425063] [<c1354670>] ? start_kernel+0x2c2/0x2c2
> [ 3.425118] [<c1001027>] ? do_one_initcall+0x27/0x150
> [ 3.425173] [<c1354670>] ? start_kernel+0x2c2/0x2c2
> [ 3.425184] [<c1372a89>] ? set_cmos+0x79/0x79
> [ 3.425184] [<c1354670>] ? start_kernel+0x2c2/0x2c2
> [ 3.425184] [<c13546f1>] ? kernel_init+0x81/0x110
> [ 3.425184] [<c126f53e>] ? kernel_thread_helper+0x6/0xd
> [ 3.425184] ---[ end trace dd61103ea87a7da7 ]---
> [ 3.425517] ------------[ cut here ]------------
> [ 3.425571] WARNING: at drivers/block/floppy.c:2929 do_fd_request+0xb7/0xb9()
> [ 3.425629] Hardware name: ProLiant DL360 G5
> [ 3.425682] VFS: do_fd_request called on non-open device
> [ 3.425737] Modules linked in:
> [ 3.425819] Pid: 1, comm: swapper Tainted: G W 3.2.0-rc3 #12
> [ 3.425876] Call Trace:
> [ 3.425926] [<c102b98c>] ? warn_slowpath_common+0x6c/0x95
> [ 3.425982] [<c11b1667>] ? do_fd_request+0xb7/0xb9
> [ 3.426508] [<c11b1667>] ? do_fd_request+0xb7/0xb9
> [ 3.426508] [<c102ba3e>] ? warn_slowpath_fmt+0x33/0x37
> [ 3.426508] [<c11b1667>] ? do_fd_request+0xb7/0xb9
> [ 3.426508] [<c113cbab>] ? blk_drain_queue+0x46/0x54
> [ 3.426508] [<c113cc74>] ? blk_cleanup_queue+0xbb/0x153
> [ 3.426508] [<c13737a3>] ? floppy_init+0xd1a/0xd48
> [ 3.426508] [<c1354670>] ? start_kernel+0x2c2/0x2c2
> [ 3.426508] [<c1001027>] ? do_one_initcall+0x27/0x150
> [ 3.426508] [<c1354670>] ? start_kernel+0x2c2/0x2c2
> [ 3.426508] [<c1372a89>] ? set_cmos+0x79/0x79
> [ 3.426508] [<c1354670>] ? start_kernel+0x2c2/0x2c2
> [ 3.426508] [<c13546f1>] ? kernel_init+0x81/0x110
> [ 3.426508] [<c126f53e>] ? kernel_thread_helper+0x6/0xd
> [ 3.426508] ---[ end trace dd61103ea87a7da8 ]---
> [ 3.428496] ------------[ cut here ]------------
> [ 3.428550] WARNING: at drivers/block/floppy.c:2929 do_fd_request+0xb7/0xb9()
> [ 3.428608] Hardware name: ProLiant DL360 G5
> [ 3.428661] VFS: do_fd_request called on non-open device
> [ 3.428716] Modules linked in:
> [ 3.428798] Pid: 1, comm: swapper Tainted: G W 3.2.0-rc3 #12
> [ 3.428855] Call Trace:
> [ 3.428906] [<c102b98c>] ? warn_slowpath_common+0x6c/0x95
> [ 3.428961] [<c11b1667>] ? do_fd_request+0xb7/0xb9
> [ 3.429017] [<c11b1667>] ? do_fd_request+0xb7/0xb9
> [ 3.429071] [<c102ba3e>] ? warn_slowpath_fmt+0x33/0x37
> [ 3.429127] [<c11b1667>] ? do_fd_request+0xb7/0xb9
> [ 3.429182] [<c113cbab>] ? blk_drain_queue+0x46/0x54
> [ 3.429237] [<c113cc74>] ? blk_cleanup_queue+0xbb/0x153
> [ 3.429292] [<c13737a3>] ? floppy_init+0xd1a/0xd48
> [ 3.429347] [<c1354670>] ? start_kernel+0x2c2/0x2c2
> [ 3.429402] [<c1001027>] ? do_one_initcall+0x27/0x150
> [ 3.429457] [<c1354670>] ? start_kernel+0x2c2/0x2c2
> [ 3.429490] [<c1372a89>] ? set_cmos+0x79/0x79
> [ 3.429490] [<c1354670>] ? start_kernel+0x2c2/0x2c2
> [ 3.429490] [<c13546f1>] ? kernel_init+0x81/0x110
> [ 3.429490] [<c126f53e>] ? kernel_thread_helper+0x6/0xd
> [ 3.429490] ---[ end trace dd61103ea87a7da9 ]---
> [ 3.429791] ------------[ cut here ]------------
> [ 3.429846] WARNING: at drivers/block/floppy.c:2929 do_fd_request+0xb7/0xb9()
> [ 3.429904] Hardware name: ProLiant DL360 G5
> [ 3.429957] VFS: do_fd_request called on non-open device
> [ 3.430011] Modules linked in:
> [ 3.430093] Pid: 1, comm: swapper Tainted: G W 3.2.0-rc3 #12
> [ 3.430150] Call Trace:
> [ 3.430201] [<c102b98c>] ? warn_slowpath_common+0x6c/0x95
> [ 3.430257] [<c11b1667>] ? do_fd_request+0xb7/0xb9
> [ 3.430312] [<c11b1667>] ? do_fd_request+0xb7/0xb9
> [ 3.430367] [<c102ba3e>] ? warn_slowpath_fmt+0x33/0x37
> [ 3.430422] [<c11b1667>] ? do_fd_request+0xb7/0xb9
> [ 3.430477] [<c113cbab>] ? blk_drain_queue+0x46/0x54
> [ 3.430532] [<c113cc74>] ? blk_cleanup_queue+0xbb/0x153
> [ 3.430588] [<c13737a3>] ? floppy_init+0xd1a/0xd48
> [ 3.430643] [<c1354670>] ? start_kernel+0x2c2/0x2c2
> [ 3.430698] [<c1001027>] ? do_one_initcall+0x27/0x150
> [ 3.430753] [<c1354670>] ? start_kernel+0x2c2/0x2c2
> [ 3.430786] [<c1372a89>] ? set_cmos+0x79/0x79
> [ 3.430786] [<c1354670>] ? start_kernel+0x2c2/0x2c2
> [ 3.430786] [<c13546f1>] ? kernel_init+0x81/0x110
> [ 3.430786] [<c126f53e>] ? kernel_thread_helper+0x6/0xd
> [ 3.430786] ---[ end trace dd61103ea87a7daa ]---
> [ 3.431086] ------------[ cut here ]------------
> [ 3.431141] WARNING: at drivers/block/floppy.c:2929 do_fd_request+0xb7/0xb9()
> [ 3.431199] Hardware name: ProLiant DL360 G5
> [ 3.431252] VFS: do_fd_request called on non-open device
> [ 3.431306] Modules linked in:
> [ 3.431389] Pid: 1, comm: swapper Tainted: G W 3.2.0-rc3 #12
> [ 3.431446] Call Trace:
> [ 3.431497] [<c102b98c>] ? warn_slowpath_common+0x6c/0x95
> [ 3.431553] [<c11b1667>] ? do_fd_request+0xb7/0xb9
> [ 3.431608] [<c11b1667>] ? do_fd_request+0xb7/0xb9
> [ 3.431662] [<c102ba3e>] ? warn_slowpath_fmt+0x33/0x37
> [ 3.431718] [<c11b1667>] ? do_fd_request+0xb7/0xb9
> [ 3.431773] [<c113cbab>] ? blk_drain_queue+0x46/0x54
> [ 3.431828] [<c113cc74>] ? blk_cleanup_queue+0xbb/0x153
> [ 3.431883] [<c13737a3>] ? floppy_init+0xd1a/0xd48
> [ 3.431938] [<c1354670>] ? start_kernel+0x2c2/0x2c2
> [ 3.431993] [<c1001027>] ? do_one_initcall+0x27/0x150
> [ 3.432048] [<c1354670>] ? start_kernel+0x2c2/0x2c2
> [ 3.432081] [<c1372a89>] ? set_cmos+0x79/0x79
> [ 3.432081] [<c1354670>] ? start_kernel+0x2c2/0x2c2
> [ 3.432081] [<c13546f1>] ? kernel_init+0x81/0x110
> [ 3.432081] [<c126f53e>] ? kernel_thread_helper+0x6/0xd
> [ 3.432081] ---[ end trace dd61103ea87a7dab ]---
> [ 3.432381] ------------[ cut here ]------------
> [ 3.432436] WARNING: at drivers/block/floppy.c:2929 do_fd_request+0xb7/0xb9()
> [ 3.432494] Hardware name: ProLiant DL360 G5
> [ 3.432547] VFS: do_fd_request called on non-open device
> [ 3.432601] Modules linked in:
> [ 3.432683] Pid: 1, comm: swapper Tainted: G W 3.2.0-rc3 #12
> [ 3.432740] Call Trace:
> [ 3.432791] [<c102b98c>] ? warn_slowpath_common+0x6c/0x95
> [ 3.432846] [<c11b1667>] ? do_fd_request+0xb7/0xb9
> [ 3.432901] [<c11b1667>] ? do_fd_request+0xb7/0xb9
> [ 3.432956] [<c102ba3e>] ? warn_slowpath_fmt+0x33/0x37
> [ 3.433012] [<c11b1667>] ? do_fd_request+0xb7/0xb9
> [ 3.433066] [<c113cbab>] ? blk_drain_queue+0x46/0x54
> [ 3.433121] [<c113cc74>] ? blk_cleanup_queue+0xbb/0x153
> [ 3.433177] [<c13737a3>] ? floppy_init+0xd1a/0xd48
> [ 3.433232] [<c1354670>] ? start_kernel+0x2c2/0x2c2
> [ 3.433286] [<c1001027>] ? do_one_initcall+0x27/0x150
> [ 3.433341] [<c1354670>] ? start_kernel+0x2c2/0x2c2
> [ 3.433376] [<c1372a89>] ? set_cmos+0x79/0x79
> [ 3.433376] [<c1354670>] ? start_kernel+0x2c2/0x2c2
> [ 3.433376] [<c13546f1>] ? kernel_init+0x81/0x110
> [ 3.433376] [<c126f53e>] ? kernel_thread_helper+0x6/0xd
> [ 3.433376] ---[ end trace dd61103ea87a7dac ]---
> [ 3.433675] ------------[ cut here ]------------
> [ 3.433730] WARNING: at drivers/block/floppy.c:2929 do_fd_request+0xb7/0xb9()
> [ 3.433788] Hardware name: ProLiant DL360 G5
> [ 3.433840] VFS: do_fd_request called on non-open device
> [ 3.433895] Modules linked in:
> [ 3.433977] Pid: 1, comm: swapper Tainted: G W 3.2.0-rc3 #12
> [ 3.434034] Call Trace:
> [ 3.434085] [<c102b98c>] ? warn_slowpath_common+0x6c/0x95
> [ 3.434141] [<c11b1667>] ? do_fd_request+0xb7/0xb9
> [ 3.434196] [<c11b1667>] ? do_fd_request+0xb7/0xb9
> [ 3.434250] [<c102ba3e>] ? warn_slowpath_fmt+0x33/0x37
> [ 3.434306] [<c11b1667>] ? do_fd_request+0xb7/0xb9
> [ 3.434361] [<c113cbab>] ? blk_drain_queue+0x46/0x54
> [ 3.434416] [<c113cc74>] ? blk_cleanup_queue+0xbb/0x153
> [ 3.434471] [<c13737a3>] ? floppy_init+0xd1a/0xd48
> [ 3.434526] [<c1354670>] ? start_kernel+0x2c2/0x2c2
> [ 3.434581] [<c1001027>] ? do_one_initcall+0x27/0x150
> [ 3.434636] [<c1354670>] ? start_kernel+0x2c2/0x2c2
> [ 3.434670] [<c1372a89>] ? set_cmos+0x79/0x79
> [ 3.434670] [<c1354670>] ? start_kernel+0x2c2/0x2c2
> [ 3.434670] [<c13546f1>] ? kernel_init+0x81/0x110
> [ 3.434670] [<c126f53e>] ? kernel_thread_helper+0x6/0xd
> [ 3.434670] ---[ end trace dd61103ea87a7dad ]---
> [ 3.434969] ------------[ cut here ]------------
> [ 3.435024] WARNING: at drivers/block/floppy.c:2929 do_fd_request+0xb7/0xb9()
> [ 3.435082] Hardware name: ProLiant DL360 G5
> [ 3.435135] VFS: do_fd_request called on non-open device
> [ 3.435189] Modules linked in:
> [ 3.435272] Pid: 1, comm: swapper Tainted: G W 3.2.0-rc3 #12
> [ 3.435328] Call Trace:
> [ 3.435379] [<c102b98c>] ? warn_slowpath_common+0x6c/0x95
> [ 3.435435] [<c11b1667>] ? do_fd_request+0xb7/0xb9
> [ 3.435490] [<c11b1667>] ? do_fd_request+0xb7/0xb9
> [ 3.435545] [<c102ba3e>] ? warn_slowpath_fmt+0x33/0x37
> [ 3.435600] [<c11b1667>] ? do_fd_request+0xb7/0xb9
> [ 3.435655] [<c113cbab>] ? blk_drain_queue+0x46/0x54
> [ 3.435710] [<c113cc74>] ? blk_cleanup_queue+0xbb/0x153
> [ 3.435766] [<c13737a3>] ? floppy_init+0xd1a/0xd48
> [ 3.435821] [<c1354670>] ? start_kernel+0x2c2/0x2c2
> [ 3.435875] [<c1001027>] ? do_one_initcall+0x27/0x150
> [ 3.435930] [<c1354670>] ? start_kernel+0x2c2/0x2c2
> [ 3.435964] [<c1372a89>] ? set_cmos+0x79/0x79
> [ 3.435964] [<c1354670>] ? start_kernel+0x2c2/0x2c2
> [ 3.435964] [<c13546f1>] ? kernel_init+0x81/0x110
> [ 3.435964] [<c126f53e>] ? kernel_thread_helper+0x6/0xd
> [ 3.435964] ---[ end trace dd61103ea87a7dae ]---
> [ 3.436263] Compaq SMART2 Driver (v 2.6.0)
> [ 3.436400] HP CISS Driver (v 3.6.26)
> [ 3.436545] cciss 0000:06:00.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16
> [ 3.536824] cciss 0000:06:00.0: cciss0: <0x3230> at PCI 0000:06:00.0 IRQ 16 using DAC
> [ 3.541276] cciss/c0d0: p1 < p5 p6 >
> [ 3.541718] Uniform Multi-Platform E-IDE driver
> [ 3.541905] piix 0000:00:1f.1: IDE controller (0x8086:0x269e rev 0x09)
> [ 3.541971] pci 0000:00:1f.1: PCI INT A -> GSI 17 (level, low) -> IRQ 17
> [ 3.542058] piix 0000:00:1f.1: not 100% native mode: will probe irqs later
> [ 3.542119] ide0: BM-DMA at 0x0500-0x0507
> [ 3.542177] ide1: BM-DMA at 0x0508-0x050f
> [ 3.542233] Probing IDE interface ide0...
> [ 4.214230] hda: HL-DT-STCD-RW/DVD DRIVE GCC-C10N, ATAPI CD/DVD-ROM drive
> [ 4.520106] hda: host max PIO4 wanted PIO255(auto-tune) selected PIO4
> [ 4.521096] hda: UDMA/33 mode selected
> [ 4.522099] Probing IDE interface ide1...
> [ 5.041112] ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
> [ 5.041230] ide1 at 0x170-0x177,0x376 on irq 15
> [ 5.041666] ide_generic: please use "probe_mask=0x3f" module parameter for probing all legacy ISA IDE ports
> [ 5.041746] ide-gd driver 1.18
> [ 5.041858] ide-cd driver 5.00
> [ 5.044132] ide-cd: hda: ATAPI 24X DVD-ROM CD-R/RW drive, 2048kB Cache
> [ 5.044366] cdrom: Uniform CD-ROM driver Revision: 3.20
> [ 5.062928] i8042: PNP: PS/2 Controller [PNP0303:KBD,PNP0f0e:PS2M] at 0x60,0x64 irq 1,12
> [ 5.064667] serio: i8042 KBD port at 0x60,0x64 irq 1
> [ 5.064724] serio: i8042 AUX port at 0x60,0x64 irq 12
> [ 5.064892] mousedev: PS/2 mouse device common for all mice
> [ 5.065002] cpuidle: using governor ladder
> [ 5.066757] cpuidle: using governor menu
> [ 5.066818] TCP cubic registered
> [ 5.066870] NET: Registered protocol family 17
> [ 5.066931] Using IPI Shortcut mode
> [ 5.066988] registered taskstats version 1
> [ 5.148680] kjournald starting. Commit interval 5 seconds
> [ 5.148724] EXT3-fs (cciss/c0d0p5): mounted filesystem with writeback data mode
> [ 5.148733] VFS: Mounted root (ext3 filesystem) readonly on device 104:5.
> [ 5.148901] Freeing unused kernel memory: 348k freed
> [ 6.395528] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0
> [ 6.395580] thermal LNXTHERM:00: registered as thermal_zone0
> [ 6.395582] ACPI: Thermal Zone [THM0] (8 C)
> [ 6.395717] ACPI: Power Button [PWRF]
> [ 6.410255] bnx2: Broadcom NetXtreme II Gigabit Ethernet Driver bnx2 v2.1.11 (July 20, 2011)
> [ 6.531029] bnx2 0000:03:00.0: BAR 0: set to [mem 0xf8000000-0xf9ffffff 64bit] (PCI address [0xf8000000-0xf9ffffff])
> [ 6.531120] bnx2 0000:03:00.0: PCI INT A -> GSI 18 (level, low) -> IRQ 18
> [ 6.861251] bnx2 0000:03:00.0: eth0: Broadcom NetXtreme II BCM5708 1000Base-T (B2) PCI-X 64-bit 133MHz found at mem f8000000, IRQ 18, node addr 00:1e:0b:5f:f9:36
> [ 6.861382] bnx2 0000:05:00.0: PCI INT A -> GSI 19 (level, low) -> IRQ 19
> [ 7.191209] bnx2 0000:05:00.0: eth1: Broadcom NetXtreme II BCM5708 1000Base-T (B2) PCI-X 64-bit 133MHz found at mem fa000000, IRQ 19, node addr 00:1e:0b:5f:ca:84
> [ 7.677759] Adding 1733980k swap on /dev/cciss/c0d0p6. Priority:-1 extents:1 across:1733980k
> [ 7.814360] EXT3-fs (cciss/c0d0p5): using internal journal
> [ 12.501807] bnx2 0000:03:00.0: eth0: NIC Copper Link is Up, 1000 Mbps full duplex, receive & transmit flow control ON
> [ 30.347585] watchdog (2020): /proc/2020/oom_adj is deprecated, please use /proc/2020/oom_score_adj instead.
Same here on 3.2.0-rc4-00077-g5983fe2
'swapper' cmd looks suspicious.
[ CCing someone who is familar with block layer, sorry in advance ]
[ 3.792015] floppy0: no floppy controllers found
[ 3.792274] ------------[ cut here ]------------
[ 3.792434] WARNING: at drivers/block/floppy.c:2929 do_fd_request+0xbf/0xd0()
[ 3.792587] Hardware name: To Be Filled By O.E.M.
[ 3.792738] VFS: do_fd_request called on non-open device
[ 3.792889] Modules linked in:
[ 3.793008] Pid: 1, comm: swapper Not tainted 3.2.0-rc4-00077-g5983fe2 #2
[ 3.793008] Call Trace:
[ 3.793008] [<ffffffff81039a6a>] warn_slowpath_common+0x7a/0xb0
[ 3.793008] [<ffffffff81039b41>] warn_slowpath_fmt+0x41/0x50
[ 3.793008] [<ffffffff813d657f>] do_fd_request+0xbf/0xd0
[ 3.793008] [<ffffffff81322b95>] blk_drain_queue+0x65/0x80
[ 3.793008] [<ffffffff81322c93>] blk_cleanup_queue+0xe3/0x1a0
[ 3.793008] [<ffffffff818a809d>] floppy_init+0xdeb/0xe28
[ 3.793008] [<ffffffff818a72b2>] ? daring+0x6b/0x6b
[ 3.793008] [<ffffffff810002af>] do_one_initcall+0x3f/0x170
[ 3.793008] [<ffffffff81884b34>] kernel_init+0x9d/0x11e
[ 3.793008] [<ffffffff810317c2>] ? schedule_tail+0x22/0xa0
[ 3.793008] [<ffffffff815dbb14>] kernel_thread_helper+0x4/0x10
[ 3.793008] [<ffffffff81884a97>] ? start_kernel+0x2be/0x2be
[ 3.793008] [<ffffffff815dbb10>] ? gs_change+0xb/0xb
[ 3.793008] ---[ end trace c5807061655fec8c ]---
--
Sergei
[-- Attachment #2: signature.asc --]
[-- Type: application/pgp-signature, Size: 198 bytes --]
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [regression] WARNING: at drivers/block/floppy.c:2929 do_fd_request+0xb7/0xb9() in 3.2.0-rc2 and 3
2011-12-05 17:21 ` Sergei Trofimovich
@ 2011-12-05 18:32 ` Tejun Heo
2011-12-05 19:22 ` Sergei Trofimovich
0 siblings, 1 reply; 4+ messages in thread
From: Tejun Heo @ 2011-12-05 18:32 UTC (permalink / raw)
To: Sergei Trofimovich; +Cc: Jens Axboe, Ralf Hildebrandt, linux-kernel
On Mon, Dec 05, 2011 at 08:21:14PM +0300, Sergei Trofimovich wrote:
> Same here on 3.2.0-rc4-00077-g5983fe2
>
> 'swapper' cmd looks suspicious.
> [ CCing someone who is familar with block layer, sorry in advance ]
>
> [ 3.792015] floppy0: no floppy controllers found
> [ 3.792274] ------------[ cut here ]------------
> [ 3.792434] WARNING: at drivers/block/floppy.c:2929 do_fd_request+0xbf/0xd0()
> [ 3.792587] Hardware name: To Be Filled By O.E.M.
> [ 3.792738] VFS: do_fd_request called on non-open device
> [ 3.792889] Modules linked in:
> [ 3.793008] Pid: 1, comm: swapper Not tainted 3.2.0-rc4-00077-g5983fe2 #2
> [ 3.793008] Call Trace:
> [ 3.793008] [<ffffffff81039a6a>] warn_slowpath_common+0x7a/0xb0
> [ 3.793008] [<ffffffff81039b41>] warn_slowpath_fmt+0x41/0x50
> [ 3.793008] [<ffffffff813d657f>] do_fd_request+0xbf/0xd0
> [ 3.793008] [<ffffffff81322b95>] blk_drain_queue+0x65/0x80
> [ 3.793008] [<ffffffff81322c93>] blk_cleanup_queue+0xe3/0x1a0
> [ 3.793008] [<ffffffff818a809d>] floppy_init+0xdeb/0xe28
> [ 3.793008] [<ffffffff818a72b2>] ? daring+0x6b/0x6b
> [ 3.793008] [<ffffffff810002af>] do_one_initcall+0x3f/0x170
> [ 3.793008] [<ffffffff81884b34>] kernel_init+0x9d/0x11e
> [ 3.793008] [<ffffffff810317c2>] ? schedule_tail+0x22/0xa0
> [ 3.793008] [<ffffffff815dbb14>] kernel_thread_helper+0x4/0x10
> [ 3.793008] [<ffffffff81884a97>] ? start_kernel+0x2be/0x2be
> [ 3.793008] [<ffffffff815dbb10>] ? gs_change+0xb/0xb
> [ 3.793008] ---[ end trace c5807061655fec8c ]---
Does the following patch make the warning go away?
Thanks.
block/blk-core.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/block/blk-core.c b/block/blk-core.c
index ea70e6c..653cc22 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -366,7 +366,8 @@ void blk_drain_queue(struct request_queue *q, bool drain_all)
if (drain_all)
blk_throtl_drain(q);
- __blk_run_queue(q);
+ if (!list_empty(&q->queue_head))
+ __blk_run_queue(q);
if (drain_all)
nr_rqs = q->rq.count[0] + q->rq.count[1];
^ permalink raw reply related [flat|nested] 4+ messages in thread
* Re: [regression] WARNING: at drivers/block/floppy.c:2929 do_fd_request+0xb7/0xb9() in 3.2.0-rc2 and 3
2011-12-05 18:32 ` Tejun Heo
@ 2011-12-05 19:22 ` Sergei Trofimovich
0 siblings, 0 replies; 4+ messages in thread
From: Sergei Trofimovich @ 2011-12-05 19:22 UTC (permalink / raw)
To: Tejun Heo; +Cc: Jens Axboe, Ralf Hildebrandt, linux-kernel
[-- Attachment #1: Type: text/plain, Size: 2434 bytes --]
On Mon, 5 Dec 2011 10:32:36 -0800
Tejun Heo <tj@kernel.org> wrote:
> On Mon, Dec 05, 2011 at 08:21:14PM +0300, Sergei Trofimovich wrote:
> > Same here on 3.2.0-rc4-00077-g5983fe2
> >
> > 'swapper' cmd looks suspicious.
> > [ CCing someone who is familar with block layer, sorry in advance ]
> >
> > [ 3.792015] floppy0: no floppy controllers found
> > [ 3.792274] ------------[ cut here ]------------
> > [ 3.792434] WARNING: at drivers/block/floppy.c:2929 do_fd_request+0xbf/0xd0()
> > [ 3.792587] Hardware name: To Be Filled By O.E.M.
> > [ 3.792738] VFS: do_fd_request called on non-open device
> > [ 3.792889] Modules linked in:
> > [ 3.793008] Pid: 1, comm: swapper Not tainted 3.2.0-rc4-00077-g5983fe2 #2
> > [ 3.793008] Call Trace:
> > [ 3.793008] [<ffffffff81039a6a>] warn_slowpath_common+0x7a/0xb0
> > [ 3.793008] [<ffffffff81039b41>] warn_slowpath_fmt+0x41/0x50
> > [ 3.793008] [<ffffffff813d657f>] do_fd_request+0xbf/0xd0
> > [ 3.793008] [<ffffffff81322b95>] blk_drain_queue+0x65/0x80
> > [ 3.793008] [<ffffffff81322c93>] blk_cleanup_queue+0xe3/0x1a0
> > [ 3.793008] [<ffffffff818a809d>] floppy_init+0xdeb/0xe28
> > [ 3.793008] [<ffffffff818a72b2>] ? daring+0x6b/0x6b
> > [ 3.793008] [<ffffffff810002af>] do_one_initcall+0x3f/0x170
> > [ 3.793008] [<ffffffff81884b34>] kernel_init+0x9d/0x11e
> > [ 3.793008] [<ffffffff810317c2>] ? schedule_tail+0x22/0xa0
> > [ 3.793008] [<ffffffff815dbb14>] kernel_thread_helper+0x4/0x10
> > [ 3.793008] [<ffffffff81884a97>] ? start_kernel+0x2be/0x2be
> > [ 3.793008] [<ffffffff815dbb10>] ? gs_change+0xb/0xb
> > [ 3.793008] ---[ end trace c5807061655fec8c ]---
>
> Does the following patch make the warning go away?
It does. Thank you!
Tried to boot only once with patch though (is bug deterministic?)
> Thanks.
>
> block/blk-core.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/block/blk-core.c b/block/blk-core.c
> index ea70e6c..653cc22 100644
> --- a/block/blk-core.c
> +++ b/block/blk-core.c
> @@ -366,7 +366,8 @@ void blk_drain_queue(struct request_queue *q, bool drain_all)
> if (drain_all)
> blk_throtl_drain(q);
>
> - __blk_run_queue(q);
> + if (!list_empty(&q->queue_head))
> + __blk_run_queue(q);
>
> if (drain_all)
> nr_rqs = q->rq.count[0] + q->rq.count[1];
--
Sergei
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^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2011-12-05 19:18 UTC | newest]
Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
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2011-11-25 10:34 [regression] WARNING: at drivers/block/floppy.c:2929 do_fd_request+0xb7/0xb9() in 3.2.0-rc2 and 3 Ralf Hildebrandt
2011-12-05 17:21 ` Sergei Trofimovich
2011-12-05 18:32 ` Tejun Heo
2011-12-05 19:22 ` Sergei Trofimovich
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