* Oops on suspend with libertas SDIO (Linux 3.2-rc2)
@ 2011-11-17 15:36 Sven Neumann
2011-11-17 15:49 ` Chris Ball
0 siblings, 1 reply; 6+ messages in thread
From: Sven Neumann @ 2011-11-17 15:36 UTC (permalink / raw)
To: Chris Ball, Dan Williams
Cc: linux-mmc, libertas-dev, linux-kernel, Daniel Mack
Hi,
I've given 3.2-rc2 a try today and the kernel oopsed when going into suspend:
[ 20.387912] Freezing user space processes ... (elapsed 0.01 seconds) done.
[ 20.408759] Freezing remaining freezable tasks ... (elapsed 0.01 seconds) done.
[ 20.432966] libertas_sdio mmc0:0001:1: mmc0:0001:1: suspend: PM flags = 0x0
[ 20.439978] libertas_sdio mmc0:0001:1: Suspend without wake params -- powering down card
[ 23.456061] libertas_sdio mmc0:0001:1: wlan0: command 0x0010 timed out
[ 23.462626] libertas_sdio mmc0:0001:1: wlan0: Timeout submitting command 0x0010
[ 23.470026] libertas_sdio: Resetting card...
[ 23.474140] ------------[ cut here ]------------
[ 23.479002] WARNING: at fs/sysfs/group.c:138 sysfs_remove_group+0x50/0x11c()
[ 23.486045] sysfs group c05cb5c8 not found for kobject 'mmc0:0001:1'
[ 23.492358] Modules linked in: libertas_sdio libertas pxamci
[ 23.498091] [<c000dbb4>] (unwind_backtrace+0x0/0xec) from [<c001ca10>] (warn_slowpath_common+0x4c/0x64)
[ 23.507467] [<c001ca10>] (warn_slowpath_common+0x4c/0x64) from [<c001cabc>] (warn_slowpath_fmt+0x30/0x40)
[ 23.517021] [<c001cabc>] (warn_slowpath_fmt+0x30/0x40) from [<c00d369c>] (sysfs_remove_group+0x50/0x11c)
[ 23.526504] [<c00d369c>] (sysfs_remove_group+0x50/0x11c) from [<c0202ec4>] (device_del+0x3c/0x1a4)
[ 23.535437] [<c0202ec4>] (device_del+0x3c/0x1a4) from [<c0295dfc>] (sdio_remove_func+0x1c/0x2c)
[ 23.544127] [<c0295dfc>] (sdio_remove_func+0x1c/0x2c) from [<c0295110>] (mmc_sdio_remove+0x44/0x78)
[ 23.553161] [<c0295110>] (mmc_sdio_remove+0x44/0x78) from [<c028f0e4>] (mmc_stop_host+0xd0/0x22c)
[ 23.562016] [<c028f0e4>] (mmc_stop_host+0xd0/0x22c) from [<c0290578>] (mmc_remove_host+0x18/0x2c)
[ 23.570898] [<c0290578>] (mmc_remove_host+0x18/0x2c) from [<bf019470>] (if_sdio_reset_card_worker+0x18/0x2c [libertas_sdio])
[ 23.582138] [<bf019470>] (if_sdio_reset_card_worker+0x18/0x2c [libertas_sdio]) from [<c00302fc>] (process_one_work+0x260/0x3c8)
[ 23.593594] [<c00302fc>] (process_one_work+0x260/0x3c8) from [<c0030ac8>] (worker_thread+0x224/0x458)
[ 23.602816] [<c0030ac8>] (worker_thread+0x224/0x458) from [<c0036a00>] (kthread+0x80/0x88)
[ 23.611078] [<c0036a00>] (kthread+0x80/0x88) from [<c0009ca8>] (kernel_thread_exit+0x0/0x8)
[ 23.619409] ---[ end trace 78598ef84f325bdd ]---
[ 23.624011] Unable to handle kernel NULL pointer dereference at virtual address 0000000c
[ 23.632079] pgd = c0004000
[ 23.634762] [0000000c] *pgd=00000000
[ 23.638351] Internal error: Oops: 17 [#1] PREEMPT
[ 23.643016] Modules linked in: libertas_sdio libertas pxamci
[ 23.648666] CPU: 0 Tainted: G W (3.2.0-rc2 #2)
[ 23.654316] PC is at klist_put+0x18/0x9c
[ 23.658213] LR is at device_del+0x50/0x1a4
[ 23.662287] pc : [<c03ca8fc>] lr : [<c0202ed8>] psr: a0000013
[ 23.662298] sp : c6569f18 ip : 40000013 fp : c602e605
[ 23.673688] r10: 00000000 r9 : bf019458 r8 : c602e600
[ 23.678876] r7 : 00000000 r6 : c6447408 r5 : c64bbe50 r4 : 00000001
[ 23.685363] r3 : 00000000 r2 : 00000200 r1 : 00000001 r0 : 00000001
[ 23.691844] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment kernel
[ 23.699106] Control: 0000397f Table: a65a0018 DAC: 00000035
[ 23.704817] Process kworker/0:2 (pid: 1204, stack limit = 0xc6568278)
[ 23.711218] Stack: (0xc6569f18 to 0xc656a000)
[ 23.715547] 9f00: c65fe008 c6447000
[ 23.723677] 9f20: c6447408 c0202ed8 c65fe008 c6447000 00000084 c0295dfc 00000001 c0295110
[ 23.731810] 9f40: c63e8f00 c6447000 60000013 00000000 00000009 c028f0e4 c6447000 c6447000
[ 23.739944] 9f60: c63e8f00 c0290578 bf019c9c bf019470 bf019af0 c00302fc c05c1b38 c63e8f00
[ 23.748076] 9f80: c05c1b38 c05c1b38 00000009 c6568000 c63e8f10 c05c1b38 c63e8f10 c0030ac8
[ 23.756208] 9fa0: c6083f14 c6569fd4 c6083f14 c63e8f00 c00308a4 00000000 00000000 00000000
[ 23.764341] 9fc0: 00000000 c0036a00 c0009ca8 00000000 c63e8f00 00000000 c6569fd8 c6569fd8
[ 23.772475] 9fe0: 00000000 c6083f14 c0036980 c0009ca8 00000013 c0009ca8 0340f30e 153b5900
[ 23.780618] [<c03ca8fc>] (klist_put+0x18/0x9c) from [<c0202ed8>] (device_del+0x50/0x1a4)
[ 23.788675] [<c0202ed8>] (device_del+0x50/0x1a4) from [<c0295dfc>] (sdio_remove_func+0x1c/0x2c)
[ 23.797327] [<c0295dfc>] (sdio_remove_func+0x1c/0x2c) from [<c0295110>] (mmc_sdio_remove+0x44/0x78)
[ 23.806328] [<c0295110>] (mmc_sdio_remove+0x44/0x78) from [<c028f0e4>] (mmc_stop_host+0xd0/0x22c)
[ 23.815148] [<c028f0e4>] (mmc_stop_host+0xd0/0x22c) from [<c0290578>] (mmc_remove_host+0x18/0x2c)
[ 23.823987] [<c0290578>] (mmc_remove_host+0x18/0x2c) from [<bf019470>] (if_sdio_reset_card_worker+0x18/0x2c [libertas_sdio])
[ 23.835164] [<bf019470>] (if_sdio_reset_card_worker+0x18/0x2c [libertas_sdio]) from [<c00302fc>] (process_one_work+0x260/0x3c8)
[ 23.846584] [<c00302fc>] (process_one_work+0x260/0x3c8) from [<c0030ac8>] (worker_thread+0x224/0x458)
[ 23.855760] [<c0030ac8>] (worker_thread+0x224/0x458) from [<c0036a00>] (kthread+0x80/0x88)
[ 23.863984] [<c0036a00>] (kthread+0x80/0x88) from [<c0009ca8>] (kernel_thread_exit+0x0/0x8)
[ 23.872292] Code: e1a05000 e3a00001 e3c33001 e1a04001 (e593600c)
[ 23.878402] ---[ end trace 78598ef84f325bde ]---
[ 23.883135] Unable to handle kernel paging request at virtual address fffffffc
[ 23.890313] pgd = c0004000
[ 23.893000] [fffffffc] *pgd=a7ffe821, *pte=00000000, *ppte=00000000
[ 23.899244] Internal error: Oops: 17 [#2] PREEMPT
[ 23.903915] Modules linked in: libertas_sdio libertas pxamci
[ 23.909564] CPU: 0 Tainted: G D W (3.2.0-rc2 #2)
[ 23.915199] PC is at kthread_data+0x4/0xc
[ 23.919186] LR is at wq_worker_sleeping+0xc/0xb4
[ 23.923772] pc : [<c003648c>] lr : [<c0032ee0>] psr: 20000093
[ 23.923783] sp : c6569d60 ip : c05bff98 fp : c6569d94
[ 23.935174] r10: c60336ec r9 : c05bff98 r8 : c6568000
[ 23.940361] r7 : c6032000 r6 : c6033768 r5 : c6033600 r4 : 00000000
[ 23.946848] r3 : 00000000 r2 : c05bff98 r1 : 00000000 r0 : c6033600
[ 23.953329] Flags: nzCv IRQs off FIQs on Mode SVC_32 ISA ARM Segment user
[ 23.960504] Control: 0000397f Table: a65a0018 DAC: 00000015
[ 23.966207] Process kworker/0:2 (pid: 1204, stack limit = 0xc6568278)
[ 23.972600] Stack: (0xc6569d60 to 0xc656a000)
[ 23.976936] 9d60: 00000000 c03d275c 00000000 00000001 c6569d9c c6033600 c6032000 c60336ec
[ 23.985068] 9d80: c60335f8 c60336ec 00000001 c6569d98 c0020acc c03d265c 00000000 c6569d9c
[ 23.993201] 9da0: c6569d9c c6033734 c602e605 c6569ed0 c6033600 c6568000 00000000 c04ef7d8
[ 24.001334] 9dc0: 00000017 c6569ed0 c602e605 c000c51c c6568278 0000000b 0000000c c6569ed0
[ 24.009466] 9de0: 00000000 00000017 00000000 c000ee00 c05bbbcc c6033600 00000000 0000000c
[ 24.017600] 9e00: 0000000c c000effc c003b1ac c0015e8c c05bbbcc a0000013 00000017 c6569ed0
[ 24.025732] 9e20: 0000000c bf019458 00000000 c000849c 00000025 c6569e65 c05fffaf c6569e48
[ 24.033866] 9e40: c001dc78 c0015e8c 00000000 80000013 c0036980 205b6a00 33322020 3931362e
[ 24.041998] 9e60: 5d393034 00000020 00000000 00000000 c6569ff8 c0009ca8 00000000 c000c2dc
[ 24.050131] 9e80: c04eee5e c0036a00 00000004 00569ea8 c00d369c 0000008a c04f71e0 c00d369c
[ 24.058264] 9ea0: c6569ef0 00000009 bf019458 00000000 c602e605 c03d24ac c03ca8fc a0000013
[ 24.066396] 9ec0: ffffffff c6569f04 c602e600 c0008e98 00000001 00000001 00000200 00000000
[ 24.074530] 9ee0: 00000001 c64bbe50 c6447408 00000000 c602e600 bf019458 00000000 c602e605
[ 24.082664] 9f00: 40000013 c6569f18 c0202ed8 c03ca8fc a0000013 ffffffff c65fe008 c6447000
[ 24.090796] 9f20: c6447408 c0202ed8 c65fe008 c6447000 00000084 c0295dfc 00000001 c0295110
[ 24.098929] 9f40: c63e8f00 c6447000 60000013 00000000 00000009 c028f0e4 c6447000 c6447000
[ 24.107063] 9f60: c63e8f00 c0290578 bf019c9c bf019470 bf019af0 c00302fc c05c1b38 c63e8f00
[ 24.115195] 9f80: c05c1b38 c05c1b38 00000009 c6568000 c63e8f10 c05c1b38 c63e8f10 c0030ac8
[ 24.123327] 9fa0: c6083f14 c6569fd4 c6083f14 c63e8f00 c00308a4 00000000 00000000 00000000
[ 24.131460] 9fc0: 00000000 c0036a00 c0009ca8 00000000 c63e8f00 00000001 c6569fd8 c6569fd8
[ 24.139594] 9fe0: 00000000 c6083f14 c0036980 c0009ca8 00000013 c0009ca8 0340f30e 153b5900
[ 24.147738] [<c003648c>] (kthread_data+0x4/0xc) from [<c0032ee0>] (wq_worker_sleeping+0xc/0xb4)
[ 24.156399] [<c0032ee0>] (wq_worker_sleeping+0xc/0xb4) from [<c03d275c>] (__schedule+0x10c/0x3a8)
[ 24.165242] [<c03d275c>] (__schedule+0x10c/0x3a8) from [<c0020acc>] (do_exit+0x668/0x694)
[ 24.173385] [<c0020acc>] (do_exit+0x668/0x694) from [<c000c51c>] (die+0x1f0/0x220)
[ 24.180924] [<c000c51c>] (die+0x1f0/0x220) from [<c000ee00>] (__do_kernel_fault+0x64/0x88)
[ 24.189147] [<c000ee00>] (__do_kernel_fault+0x64/0x88) from [<c000effc>] (do_page_fault+0x1d8/0x1f0)
[ 24.198234] [<c000effc>] (do_page_fault+0x1d8/0x1f0) from [<c000849c>] (do_DataAbort+0x34/0x94)
[ 24.206888] [<c000849c>] (do_DataAbort+0x34/0x94) from [<c0008e98>] (__dabt_svc+0x38/0x60)
[ 24.215096] Exception stack(0xc6569ed0 to 0xc6569f18)
[ 24.220114] 9ec0: 00000001 00000001 00000200 00000000
[ 24.228245] 9ee0: 00000001 c64bbe50 c6447408 00000000 c602e600 bf019458 00000000 c602e605
[ 24.236376] 9f00: 40000013 c6569f18 c0202ed8 c03ca8fc a0000013 ffffffff
[ 24.242969] [<c0008e98>] (__dabt_svc+0x38/0x60) from [<c03ca8fc>] (klist_put+0x18/0x9c)
[ 24.250946] [<c03ca8fc>] (klist_put+0x18/0x9c) from [<c0202ed8>] (device_del+0x50/0x1a4)
[ 24.259012] [<c0202ed8>] (device_del+0x50/0x1a4) from [<c0295dfc>] (sdio_remove_func+0x1c/0x2c)
[ 24.267666] [<c0295dfc>] (sdio_remove_func+0x1c/0x2c) from [<c0295110>] (mmc_sdio_remove+0x44/0x78)
[ 24.276667] [<c0295110>] (mmc_sdio_remove+0x44/0x78) from [<c028f0e4>] (mmc_stop_host+0xd0/0x22c)
[ 24.285488] [<c028f0e4>] (mmc_stop_host+0xd0/0x22c) from [<c0290578>] (mmc_remove_host+0x18/0x2c)
[ 24.294330] [<c0290578>] (mmc_remove_host+0x18/0x2c) from [<bf019470>] (if_sdio_reset_card_worker+0x18/0x2c [libertas_sdio])
[ 24.305514] [<bf019470>] (if_sdio_reset_card_worker+0x18/0x2c [libertas_sdio]) from [<c00302fc>] (process_one_work+0x260/0x3c8)
[ 24.316932] [<c00302fc>] (process_one_work+0x260/0x3c8) from [<c0030ac8>] (worker_thread+0x224/0x458)
[ 24.326107] [<c0030ac8>] (worker_thread+0x224/0x458) from [<c0036a00>] (kthread+0x80/0x88)
[ 24.334331] [<c0036a00>] (kthread+0x80/0x88) from [<c0009ca8>] (kernel_thread_exit+0x0/0x8)
[ 24.342632] Code: e593313c e5130008 e12fff1e e590313c (e5130004)
[ 24.348836] ---[ end trace 78598ef84f325bdf ]---
[ 24.353429] Fixing recursive fault but reboot is needed!
Hardware is a PXA300 with a Marvell 8868 Wifi module attached over SDIO.
Regards,
Sven
--
Sven Neumann
Head of RAUMFELD Software Development
Lautsprecher Teufel GmbH | Bülowstr. 66 | 10783 Berlin | Germany
Tel: +49 (0)30-300 930 153 | s.neumann@raumfeld.com
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: Oops on suspend with libertas SDIO (Linux 3.2-rc2)
2011-11-17 15:36 Oops on suspend with libertas SDIO (Linux 3.2-rc2) Sven Neumann
@ 2011-11-17 15:49 ` Chris Ball
2011-11-17 19:19 ` Srivatsa S. Bhat
2011-11-23 18:04 ` Daniel Mack
0 siblings, 2 replies; 6+ messages in thread
From: Chris Ball @ 2011-11-17 15:49 UTC (permalink / raw)
To: Sven Neumann
Cc: Daniel Drake, Dan Williams, linux-mmc, libertas-dev,
linux-kernel, Daniel Mack
Hi,
On Thu, Nov 17 2011, Sven Neumann wrote:
> I've given 3.2-rc2 a try today and the kernel oopsed when going into suspend:
>
> [ 20.387912] Freezing user space processes ... (elapsed 0.01 seconds) done.
> [ 20.408759] Freezing remaining freezable tasks ... (elapsed 0.01
> seconds) done.
> [ 20.432966] libertas_sdio mmc0:0001:1: mmc0:0001:1: suspend: PM flags = 0x0
> [ 20.439978] libertas_sdio mmc0:0001:1: Suspend without wake params --
> powering down card
> [ 23.456061] libertas_sdio mmc0:0001:1: wlan0: command 0x0010 timed out
> [ 23.462626] libertas_sdio mmc0:0001:1: wlan0: Timeout submitting
> command 0x0010
> [ 23.470026] libertas_sdio: Resetting card...
> [ 23.474140] ------------[ cut here ]------------
> [ 23.479002] WARNING: at fs/sysfs/group.c:138 sysfs_remove_group+0x50/0x11c()
> [ 23.486045] sysfs group c05cb5c8 not found for kobject 'mmc0:0001:1'
> [ 23.492358] Modules linked in: libertas_sdio libertas pxamci
> [ 23.498091] [<c000dbb4>] (unwind_backtrace+0x0/0xec) from
> [<c001ca10>] (warn_slowpath_common+0x4c/0x64)
> [ 23.507467] [<c001ca10>] (warn_slowpath_common+0x4c/0x64) from
> [<c001cabc>] (warn_slowpath_fmt+0x30/0x40)
> [ 23.517021] [<c001cabc>] (warn_slowpath_fmt+0x30/0x40) from
> [<c00d369c>] (sysfs_remove_group+0x50/0x11c)
> [ 23.526504] [<c00d369c>] (sysfs_remove_group+0x50/0x11c) from
> [<c0202ec4>] (device_del+0x3c/0x1a4)
> [ 23.535437] [<c0202ec4>] (device_del+0x3c/0x1a4) from [<c0295dfc>]
> (sdio_remove_func+0x1c/0x2c)
> [ 23.544127] [<c0295dfc>] (sdio_remove_func+0x1c/0x2c) from
> [<c0295110>] (mmc_sdio_remove+0x44/0x78)
> [ 23.553161] [<c0295110>] (mmc_sdio_remove+0x44/0x78) from
> [<c028f0e4>] (mmc_stop_host+0xd0/0x22c)
> [ 23.562016] [<c028f0e4>] (mmc_stop_host+0xd0/0x22c) from [<c0290578>]
> (mmc_remove_host+0x18/0x2c)
> [ 23.570898] [<c0290578>] (mmc_remove_host+0x18/0x2c) from
> [<bf019470>] (if_sdio_reset_card_worker+0x18/0x2c [libertas_sdio])
> [ 23.582138] [<bf019470>] (if_sdio_reset_card_worker+0x18/0x2c
> [libertas_sdio]) from [<c00302fc>] (process_one_work+0x260/0x3c8)
> [ 23.593594] [<c00302fc>] (process_one_work+0x260/0x3c8) from
> [<c0030ac8>] (worker_thread+0x224/0x458)
> [ 23.602816] [<c0030ac8>] (worker_thread+0x224/0x458) from
> [<c0036a00>] (kthread+0x80/0x88)
> [ 23.611078] [<c0036a00>] (kthread+0x80/0x88) from [<c0009ca8>]
> (kernel_thread_exit+0x0/0x8)
> [ 23.619409] ---[ end trace 78598ef84f325bdd ]---
> [ 23.624011] Unable to handle kernel NULL pointer dereference at
> virtual address 0000000c
> [ 23.632079] pgd = c0004000
> [ 23.634762] [0000000c] *pgd=00000000
> [ 23.638351] Internal error: Oops: 17 [#1] PREEMPT
> [ 23.643016] Modules linked in: libertas_sdio libertas pxamci
> [ 23.648666] CPU: 0 Tainted: G W (3.2.0-rc2 #2)
> [ 23.654316] PC is at klist_put+0x18/0x9c
> [ 23.658213] LR is at device_del+0x50/0x1a4
> [ 23.662287] pc : [<c03ca8fc>] lr : [<c0202ed8>] psr: a0000013
> [ 23.662298] sp : c6569f18 ip : 40000013 fp : c602e605
> [ 23.673688] r10: 00000000 r9 : bf019458 r8 : c602e600
> [ 23.678876] r7 : 00000000 r6 : c6447408 r5 : c64bbe50 r4 : 00000001
> [ 23.685363] r3 : 00000000 r2 : 00000200 r1 : 00000001 r0 : 00000001
> [ 23.691844] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment
> kernel
> [ 23.699106] Control: 0000397f Table: a65a0018 DAC: 00000035
> [ 23.704817] Process kworker/0:2 (pid: 1204, stack limit = 0xc6568278)
> [ 23.711218] Stack: (0xc6569f18 to 0xc656a000)
> [ 23.715547] 9f00: c65fe008 c6447000
> [ 23.723677] 9f20: c6447408 c0202ed8 c65fe008 c6447000 00000084
> c0295dfc 00000001 c0295110
> [ 23.731810] 9f40: c63e8f00 c6447000 60000013 00000000 00000009
> c028f0e4 c6447000 c6447000
> [ 23.739944] 9f60: c63e8f00 c0290578 bf019c9c bf019470 bf019af0
> c00302fc c05c1b38 c63e8f00
> [ 23.748076] 9f80: c05c1b38 c05c1b38 00000009 c6568000 c63e8f10
> c05c1b38 c63e8f10 c0030ac8
> [ 23.756208] 9fa0: c6083f14 c6569fd4 c6083f14 c63e8f00 c00308a4
> 00000000 00000000 00000000
> [ 23.764341] 9fc0: 00000000 c0036a00 c0009ca8 00000000 c63e8f00
> 00000000 c6569fd8 c6569fd8
> [ 23.772475] 9fe0: 00000000 c6083f14 c0036980 c0009ca8 00000013
> c0009ca8 0340f30e 153b5900
> [ 23.780618] [<c03ca8fc>] (klist_put+0x18/0x9c) from [<c0202ed8>]
> (device_del+0x50/0x1a4)
> [ 23.788675] [<c0202ed8>] (device_del+0x50/0x1a4) from [<c0295dfc>]
> (sdio_remove_func+0x1c/0x2c)
> [ 23.797327] [<c0295dfc>] (sdio_remove_func+0x1c/0x2c) from
> [<c0295110>] (mmc_sdio_remove+0x44/0x78)
> [ 23.806328] [<c0295110>] (mmc_sdio_remove+0x44/0x78) from
> [<c028f0e4>] (mmc_stop_host+0xd0/0x22c)
> [ 23.815148] [<c028f0e4>] (mmc_stop_host+0xd0/0x22c) from [<c0290578>]
> (mmc_remove_host+0x18/0x2c)
> [ 23.823987] [<c0290578>] (mmc_remove_host+0x18/0x2c) from
> [<bf019470>] (if_sdio_reset_card_worker+0x18/0x2c [libertas_sdio])
> [ 23.835164] [<bf019470>] (if_sdio_reset_card_worker+0x18/0x2c
> [libertas_sdio]) from [<c00302fc>] (process_one_work+0x260/0x3c8)
> [ 23.846584] [<c00302fc>] (process_one_work+0x260/0x3c8) from
> [<c0030ac8>] (worker_thread+0x224/0x458)
> [ 23.855760] [<c0030ac8>] (worker_thread+0x224/0x458) from
> [<c0036a00>] (kthread+0x80/0x88)
> [ 23.863984] [<c0036a00>] (kthread+0x80/0x88) from [<c0009ca8>]
> (kernel_thread_exit+0x0/0x8)
> [ 23.872292] Code: e1a05000 e3a00001 e3c33001 e1a04001 (e593600c)
> [ 23.878402] ---[ end trace 78598ef84f325bde ]---
> [ 23.883135] Unable to handle kernel paging request at virtual address
> fffffffc
> [ 23.890313] pgd = c0004000
> [ 23.893000] [fffffffc] *pgd=a7ffe821, *pte=00000000, *ppte=00000000
> [ 23.899244] Internal error: Oops: 17 [#2] PREEMPT
> [ 23.903915] Modules linked in: libertas_sdio libertas pxamci
> [ 23.909564] CPU: 0 Tainted: G D W (3.2.0-rc2 #2)
> [ 23.915199] PC is at kthread_data+0x4/0xc
> [ 23.919186] LR is at wq_worker_sleeping+0xc/0xb4
> [ 23.923772] pc : [<c003648c>] lr : [<c0032ee0>] psr: 20000093
> [ 23.923783] sp : c6569d60 ip : c05bff98 fp : c6569d94
> [ 23.935174] r10: c60336ec r9 : c05bff98 r8 : c6568000
> [ 23.940361] r7 : c6032000 r6 : c6033768 r5 : c6033600 r4 : 00000000
> [ 23.946848] r3 : 00000000 r2 : c05bff98 r1 : 00000000 r0 : c6033600
> [ 23.953329] Flags: nzCv IRQs off FIQs on Mode SVC_32 ISA ARM Segment
> user
> [ 23.960504] Control: 0000397f Table: a65a0018 DAC: 00000015
> [ 23.966207] Process kworker/0:2 (pid: 1204, stack limit = 0xc6568278)
> [...]
>
> Hardware is a PXA300 with a Marvell 8868 Wifi module attached over SDIO.
Adding Daniel Drake to CC, for 9a821f5d0fc ("libertas: add sd8686
reset_card support").
Looks like mmc_sdio_remove() calls mmc_remove_card() after the
reset_card function has called mmc_remove_host() already. Maybe
if_sdio_reset_card_worker() should call mmc_free_host() as well?
Thanks,
- Chris.
--
Chris Ball <cjb@laptop.org> <http://printf.net/>
One Laptop Per Child
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: Oops on suspend with libertas SDIO (Linux 3.2-rc2)
2011-11-17 15:49 ` Chris Ball
@ 2011-11-17 19:19 ` Srivatsa S. Bhat
2011-11-18 14:02 ` Daniel Mack
2011-11-23 18:04 ` Daniel Mack
1 sibling, 1 reply; 6+ messages in thread
From: Srivatsa S. Bhat @ 2011-11-17 19:19 UTC (permalink / raw)
To: Chris Ball
Cc: Sven Neumann, Daniel Drake, Dan Williams, linux-mmc,
libertas-dev, linux-kernel, Daniel Mack,
linux-pm >> Linux PM mailing list
[ Adding linux-pm mailing list to CC as well ]
Thanks,
Srivatsa S. Bhat
On 11/17/2011 09:19 PM, Chris Ball wrote:
> Hi,
>
> On Thu, Nov 17 2011, Sven Neumann wrote:
>> I've given 3.2-rc2 a try today and the kernel oopsed when going into suspend:
>>
>> [ 20.387912] Freezing user space processes ... (elapsed 0.01 seconds) done.
>> [ 20.408759] Freezing remaining freezable tasks ... (elapsed 0.01
>> seconds) done.
>> [ 20.432966] libertas_sdio mmc0:0001:1: mmc0:0001:1: suspend: PM flags = 0x0
>> [ 20.439978] libertas_sdio mmc0:0001:1: Suspend without wake params --
>> powering down card
>> [ 23.456061] libertas_sdio mmc0:0001:1: wlan0: command 0x0010 timed out
>> [ 23.462626] libertas_sdio mmc0:0001:1: wlan0: Timeout submitting
>> command 0x0010
>> [ 23.470026] libertas_sdio: Resetting card...
>> [ 23.474140] ------------[ cut here ]------------
>> [ 23.479002] WARNING: at fs/sysfs/group.c:138 sysfs_remove_group+0x50/0x11c()
>> [ 23.486045] sysfs group c05cb5c8 not found for kobject 'mmc0:0001:1'
>> [ 23.492358] Modules linked in: libertas_sdio libertas pxamci
>> [ 23.498091] [<c000dbb4>] (unwind_backtrace+0x0/0xec) from
>> [<c001ca10>] (warn_slowpath_common+0x4c/0x64)
>> [ 23.507467] [<c001ca10>] (warn_slowpath_common+0x4c/0x64) from
>> [<c001cabc>] (warn_slowpath_fmt+0x30/0x40)
>> [ 23.517021] [<c001cabc>] (warn_slowpath_fmt+0x30/0x40) from
>> [<c00d369c>] (sysfs_remove_group+0x50/0x11c)
>> [ 23.526504] [<c00d369c>] (sysfs_remove_group+0x50/0x11c) from
>> [<c0202ec4>] (device_del+0x3c/0x1a4)
>> [ 23.535437] [<c0202ec4>] (device_del+0x3c/0x1a4) from [<c0295dfc>]
>> (sdio_remove_func+0x1c/0x2c)
>> [ 23.544127] [<c0295dfc>] (sdio_remove_func+0x1c/0x2c) from
>> [<c0295110>] (mmc_sdio_remove+0x44/0x78)
>> [ 23.553161] [<c0295110>] (mmc_sdio_remove+0x44/0x78) from
>> [<c028f0e4>] (mmc_stop_host+0xd0/0x22c)
>> [ 23.562016] [<c028f0e4>] (mmc_stop_host+0xd0/0x22c) from [<c0290578>]
>> (mmc_remove_host+0x18/0x2c)
>> [ 23.570898] [<c0290578>] (mmc_remove_host+0x18/0x2c) from
>> [<bf019470>] (if_sdio_reset_card_worker+0x18/0x2c [libertas_sdio])
>> [ 23.582138] [<bf019470>] (if_sdio_reset_card_worker+0x18/0x2c
>> [libertas_sdio]) from [<c00302fc>] (process_one_work+0x260/0x3c8)
>> [ 23.593594] [<c00302fc>] (process_one_work+0x260/0x3c8) from
>> [<c0030ac8>] (worker_thread+0x224/0x458)
>> [ 23.602816] [<c0030ac8>] (worker_thread+0x224/0x458) from
>> [<c0036a00>] (kthread+0x80/0x88)
>> [ 23.611078] [<c0036a00>] (kthread+0x80/0x88) from [<c0009ca8>]
>> (kernel_thread_exit+0x0/0x8)
>> [ 23.619409] ---[ end trace 78598ef84f325bdd ]---
>> [ 23.624011] Unable to handle kernel NULL pointer dereference at
>> virtual address 0000000c
>> [ 23.632079] pgd = c0004000
>> [ 23.634762] [0000000c] *pgd=00000000
>> [ 23.638351] Internal error: Oops: 17 [#1] PREEMPT
>> [ 23.643016] Modules linked in: libertas_sdio libertas pxamci
>> [ 23.648666] CPU: 0 Tainted: G W (3.2.0-rc2 #2)
>> [ 23.654316] PC is at klist_put+0x18/0x9c
>> [ 23.658213] LR is at device_del+0x50/0x1a4
>> [ 23.662287] pc : [<c03ca8fc>] lr : [<c0202ed8>] psr: a0000013
>> [ 23.662298] sp : c6569f18 ip : 40000013 fp : c602e605
>> [ 23.673688] r10: 00000000 r9 : bf019458 r8 : c602e600
>> [ 23.678876] r7 : 00000000 r6 : c6447408 r5 : c64bbe50 r4 : 00000001
>> [ 23.685363] r3 : 00000000 r2 : 00000200 r1 : 00000001 r0 : 00000001
>> [ 23.691844] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment
>> kernel
>> [ 23.699106] Control: 0000397f Table: a65a0018 DAC: 00000035
>> [ 23.704817] Process kworker/0:2 (pid: 1204, stack limit = 0xc6568278)
>> [ 23.711218] Stack: (0xc6569f18 to 0xc656a000)
>> [ 23.715547] 9f00: c65fe008 c6447000
>> [ 23.723677] 9f20: c6447408 c0202ed8 c65fe008 c6447000 00000084
>> c0295dfc 00000001 c0295110
>> [ 23.731810] 9f40: c63e8f00 c6447000 60000013 00000000 00000009
>> c028f0e4 c6447000 c6447000
>> [ 23.739944] 9f60: c63e8f00 c0290578 bf019c9c bf019470 bf019af0
>> c00302fc c05c1b38 c63e8f00
>> [ 23.748076] 9f80: c05c1b38 c05c1b38 00000009 c6568000 c63e8f10
>> c05c1b38 c63e8f10 c0030ac8
>> [ 23.756208] 9fa0: c6083f14 c6569fd4 c6083f14 c63e8f00 c00308a4
>> 00000000 00000000 00000000
>> [ 23.764341] 9fc0: 00000000 c0036a00 c0009ca8 00000000 c63e8f00
>> 00000000 c6569fd8 c6569fd8
>> [ 23.772475] 9fe0: 00000000 c6083f14 c0036980 c0009ca8 00000013
>> c0009ca8 0340f30e 153b5900
>> [ 23.780618] [<c03ca8fc>] (klist_put+0x18/0x9c) from [<c0202ed8>]
>> (device_del+0x50/0x1a4)
>> [ 23.788675] [<c0202ed8>] (device_del+0x50/0x1a4) from [<c0295dfc>]
>> (sdio_remove_func+0x1c/0x2c)
>> [ 23.797327] [<c0295dfc>] (sdio_remove_func+0x1c/0x2c) from
>> [<c0295110>] (mmc_sdio_remove+0x44/0x78)
>> [ 23.806328] [<c0295110>] (mmc_sdio_remove+0x44/0x78) from
>> [<c028f0e4>] (mmc_stop_host+0xd0/0x22c)
>> [ 23.815148] [<c028f0e4>] (mmc_stop_host+0xd0/0x22c) from [<c0290578>]
>> (mmc_remove_host+0x18/0x2c)
>> [ 23.823987] [<c0290578>] (mmc_remove_host+0x18/0x2c) from
>> [<bf019470>] (if_sdio_reset_card_worker+0x18/0x2c [libertas_sdio])
>> [ 23.835164] [<bf019470>] (if_sdio_reset_card_worker+0x18/0x2c
>> [libertas_sdio]) from [<c00302fc>] (process_one_work+0x260/0x3c8)
>> [ 23.846584] [<c00302fc>] (process_one_work+0x260/0x3c8) from
>> [<c0030ac8>] (worker_thread+0x224/0x458)
>> [ 23.855760] [<c0030ac8>] (worker_thread+0x224/0x458) from
>> [<c0036a00>] (kthread+0x80/0x88)
>> [ 23.863984] [<c0036a00>] (kthread+0x80/0x88) from [<c0009ca8>]
>> (kernel_thread_exit+0x0/0x8)
>> [ 23.872292] Code: e1a05000 e3a00001 e3c33001 e1a04001 (e593600c)
>> [ 23.878402] ---[ end trace 78598ef84f325bde ]---
>> [ 23.883135] Unable to handle kernel paging request at virtual address
>> fffffffc
>> [ 23.890313] pgd = c0004000
>> [ 23.893000] [fffffffc] *pgd=a7ffe821, *pte=00000000, *ppte=00000000
>> [ 23.899244] Internal error: Oops: 17 [#2] PREEMPT
>> [ 23.903915] Modules linked in: libertas_sdio libertas pxamci
>> [ 23.909564] CPU: 0 Tainted: G D W (3.2.0-rc2 #2)
>> [ 23.915199] PC is at kthread_data+0x4/0xc
>> [ 23.919186] LR is at wq_worker_sleeping+0xc/0xb4
>> [ 23.923772] pc : [<c003648c>] lr : [<c0032ee0>] psr: 20000093
>> [ 23.923783] sp : c6569d60 ip : c05bff98 fp : c6569d94
>> [ 23.935174] r10: c60336ec r9 : c05bff98 r8 : c6568000
>> [ 23.940361] r7 : c6032000 r6 : c6033768 r5 : c6033600 r4 : 00000000
>> [ 23.946848] r3 : 00000000 r2 : c05bff98 r1 : 00000000 r0 : c6033600
>> [ 23.953329] Flags: nzCv IRQs off FIQs on Mode SVC_32 ISA ARM Segment
>> user
>> [ 23.960504] Control: 0000397f Table: a65a0018 DAC: 00000015
>> [ 23.966207] Process kworker/0:2 (pid: 1204, stack limit = 0xc6568278)
>> [...]
>>
>> Hardware is a PXA300 with a Marvell 8868 Wifi module attached over SDIO.
>
> Adding Daniel Drake to CC, for 9a821f5d0fc ("libertas: add sd8686
> reset_card support").
>
> Looks like mmc_sdio_remove() calls mmc_remove_card() after the
> reset_card function has called mmc_remove_host() already. Maybe
> if_sdio_reset_card_worker() should call mmc_free_host() as well?
>
> Thanks,
>
> - Chris.
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: Oops on suspend with libertas SDIO (Linux 3.2-rc2)
2011-11-17 19:19 ` Srivatsa S. Bhat
@ 2011-11-18 14:02 ` Daniel Mack
2011-11-21 10:14 ` Sven Neumann
0 siblings, 1 reply; 6+ messages in thread
From: Daniel Mack @ 2011-11-18 14:02 UTC (permalink / raw)
To: Srivatsa S. Bhat
Cc: Chris Ball, Sven Neumann, Daniel Drake, Dan Williams, linux-mmc,
libertas-dev, linux-kernel,
linux-pm >> Linux PM mailing list
[-- Attachment #1: Type: text/plain, Size: 7556 bytes --]
On Thu, Nov 17, 2011 at 8:19 PM, Srivatsa S. Bhat
<srivatsa.bhat@linux.vnet.ibm.com> wrote:
> [ Adding linux-pm mailing list to CC as well ]
>
> Thanks,
> Srivatsa S. Bhat
>
> On 11/17/2011 09:19 PM, Chris Ball wrote:
>> Hi,
>>
>> On Thu, Nov 17 2011, Sven Neumann wrote:
>>> I've given 3.2-rc2 a try today and the kernel oopsed when going into suspend:
>>>
>>> [ 20.387912] Freezing user space processes ... (elapsed 0.01 seconds) done.
>>> [ 20.408759] Freezing remaining freezable tasks ... (elapsed 0.01
>>> seconds) done.
>>> [ 20.432966] libertas_sdio mmc0:0001:1: mmc0:0001:1: suspend: PM flags = 0x0
>>> [ 20.439978] libertas_sdio mmc0:0001:1: Suspend without wake params --
>>> powering down card
>>> [ 23.456061] libertas_sdio mmc0:0001:1: wlan0: command 0x0010 timed out
>>> [ 23.462626] libertas_sdio mmc0:0001:1: wlan0: Timeout submitting
>>> command 0x0010
>>> [ 23.470026] libertas_sdio: Resetting card...
>>> [ 23.474140] ------------[ cut here ]------------
>>> [ 23.479002] WARNING: at fs/sysfs/group.c:138 sysfs_remove_group+0x50/0x11c()
>>> [ 23.486045] sysfs group c05cb5c8 not found for kobject 'mmc0:0001:1'
>>> [ 23.492358] Modules linked in: libertas_sdio libertas pxamci
>>> [ 23.498091] [<c000dbb4>] (unwind_backtrace+0x0/0xec) from
>>> [<c001ca10>] (warn_slowpath_common+0x4c/0x64)
>>> [ 23.507467] [<c001ca10>] (warn_slowpath_common+0x4c/0x64) from
>>> [<c001cabc>] (warn_slowpath_fmt+0x30/0x40)
>>> [ 23.517021] [<c001cabc>] (warn_slowpath_fmt+0x30/0x40) from
>>> [<c00d369c>] (sysfs_remove_group+0x50/0x11c)
>>> [ 23.526504] [<c00d369c>] (sysfs_remove_group+0x50/0x11c) from
>>> [<c0202ec4>] (device_del+0x3c/0x1a4)
>>> [ 23.535437] [<c0202ec4>] (device_del+0x3c/0x1a4) from [<c0295dfc>]
>>> (sdio_remove_func+0x1c/0x2c)
>>> [ 23.544127] [<c0295dfc>] (sdio_remove_func+0x1c/0x2c) from
>>> [<c0295110>] (mmc_sdio_remove+0x44/0x78)
>>> [ 23.553161] [<c0295110>] (mmc_sdio_remove+0x44/0x78) from
>>> [<c028f0e4>] (mmc_stop_host+0xd0/0x22c)
>>> [ 23.562016] [<c028f0e4>] (mmc_stop_host+0xd0/0x22c) from [<c0290578>]
>>> (mmc_remove_host+0x18/0x2c)
>>> [ 23.570898] [<c0290578>] (mmc_remove_host+0x18/0x2c) from
>>> [<bf019470>] (if_sdio_reset_card_worker+0x18/0x2c [libertas_sdio])
>>> [ 23.582138] [<bf019470>] (if_sdio_reset_card_worker+0x18/0x2c
>>> [libertas_sdio]) from [<c00302fc>] (process_one_work+0x260/0x3c8)
>>> [ 23.593594] [<c00302fc>] (process_one_work+0x260/0x3c8) from
>>> [<c0030ac8>] (worker_thread+0x224/0x458)
>>> [ 23.602816] [<c0030ac8>] (worker_thread+0x224/0x458) from
>>> [<c0036a00>] (kthread+0x80/0x88)
>>> [ 23.611078] [<c0036a00>] (kthread+0x80/0x88) from [<c0009ca8>]
>>> (kernel_thread_exit+0x0/0x8)
>>> [ 23.619409] ---[ end trace 78598ef84f325bdd ]---
>>> [ 23.624011] Unable to handle kernel NULL pointer dereference at
>>> virtual address 0000000c
>>> [ 23.632079] pgd = c0004000
>>> [ 23.634762] [0000000c] *pgd=00000000
>>> [ 23.638351] Internal error: Oops: 17 [#1] PREEMPT
>>> [ 23.643016] Modules linked in: libertas_sdio libertas pxamci
>>> [ 23.648666] CPU: 0 Tainted: G W (3.2.0-rc2 #2)
>>> [ 23.654316] PC is at klist_put+0x18/0x9c
>>> [ 23.658213] LR is at device_del+0x50/0x1a4
>>> [ 23.662287] pc : [<c03ca8fc>] lr : [<c0202ed8>] psr: a0000013
>>> [ 23.662298] sp : c6569f18 ip : 40000013 fp : c602e605
>>> [ 23.673688] r10: 00000000 r9 : bf019458 r8 : c602e600
>>> [ 23.678876] r7 : 00000000 r6 : c6447408 r5 : c64bbe50 r4 : 00000001
>>> [ 23.685363] r3 : 00000000 r2 : 00000200 r1 : 00000001 r0 : 00000001
>>> [ 23.691844] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment
>>> kernel
>>> [ 23.699106] Control: 0000397f Table: a65a0018 DAC: 00000035
>>> [ 23.704817] Process kworker/0:2 (pid: 1204, stack limit = 0xc6568278)
>>> [ 23.711218] Stack: (0xc6569f18 to 0xc656a000)
>>> [ 23.715547] 9f00: c65fe008 c6447000
>>> [ 23.723677] 9f20: c6447408 c0202ed8 c65fe008 c6447000 00000084
>>> c0295dfc 00000001 c0295110
>>> [ 23.731810] 9f40: c63e8f00 c6447000 60000013 00000000 00000009
>>> c028f0e4 c6447000 c6447000
>>> [ 23.739944] 9f60: c63e8f00 c0290578 bf019c9c bf019470 bf019af0
>>> c00302fc c05c1b38 c63e8f00
>>> [ 23.748076] 9f80: c05c1b38 c05c1b38 00000009 c6568000 c63e8f10
>>> c05c1b38 c63e8f10 c0030ac8
>>> [ 23.756208] 9fa0: c6083f14 c6569fd4 c6083f14 c63e8f00 c00308a4
>>> 00000000 00000000 00000000
>>> [ 23.764341] 9fc0: 00000000 c0036a00 c0009ca8 00000000 c63e8f00
>>> 00000000 c6569fd8 c6569fd8
>>> [ 23.772475] 9fe0: 00000000 c6083f14 c0036980 c0009ca8 00000013
>>> c0009ca8 0340f30e 153b5900
>>> [ 23.780618] [<c03ca8fc>] (klist_put+0x18/0x9c) from [<c0202ed8>]
>>> (device_del+0x50/0x1a4)
>>> [ 23.788675] [<c0202ed8>] (device_del+0x50/0x1a4) from [<c0295dfc>]
>>> (sdio_remove_func+0x1c/0x2c)
>>> [ 23.797327] [<c0295dfc>] (sdio_remove_func+0x1c/0x2c) from
>>> [<c0295110>] (mmc_sdio_remove+0x44/0x78)
>>> [ 23.806328] [<c0295110>] (mmc_sdio_remove+0x44/0x78) from
>>> [<c028f0e4>] (mmc_stop_host+0xd0/0x22c)
>>> [ 23.815148] [<c028f0e4>] (mmc_stop_host+0xd0/0x22c) from [<c0290578>]
>>> (mmc_remove_host+0x18/0x2c)
>>> [ 23.823987] [<c0290578>] (mmc_remove_host+0x18/0x2c) from
>>> [<bf019470>] (if_sdio_reset_card_worker+0x18/0x2c [libertas_sdio])
>>> [ 23.835164] [<bf019470>] (if_sdio_reset_card_worker+0x18/0x2c
>>> [libertas_sdio]) from [<c00302fc>] (process_one_work+0x260/0x3c8)
>>> [ 23.846584] [<c00302fc>] (process_one_work+0x260/0x3c8) from
>>> [<c0030ac8>] (worker_thread+0x224/0x458)
>>> [ 23.855760] [<c0030ac8>] (worker_thread+0x224/0x458) from
>>> [<c0036a00>] (kthread+0x80/0x88)
>>> [ 23.863984] [<c0036a00>] (kthread+0x80/0x88) from [<c0009ca8>]
>>> (kernel_thread_exit+0x0/0x8)
>>> [ 23.872292] Code: e1a05000 e3a00001 e3c33001 e1a04001 (e593600c)
>>> [ 23.878402] ---[ end trace 78598ef84f325bde ]---
>>> [ 23.883135] Unable to handle kernel paging request at virtual address
>>> fffffffc
>>> [ 23.890313] pgd = c0004000
>>> [ 23.893000] [fffffffc] *pgd=a7ffe821, *pte=00000000, *ppte=00000000
>>> [ 23.899244] Internal error: Oops: 17 [#2] PREEMPT
>>> [ 23.903915] Modules linked in: libertas_sdio libertas pxamci
>>> [ 23.909564] CPU: 0 Tainted: G D W (3.2.0-rc2 #2)
>>> [ 23.915199] PC is at kthread_data+0x4/0xc
>>> [ 23.919186] LR is at wq_worker_sleeping+0xc/0xb4
>>> [ 23.923772] pc : [<c003648c>] lr : [<c0032ee0>] psr: 20000093
>>> [ 23.923783] sp : c6569d60 ip : c05bff98 fp : c6569d94
>>> [ 23.935174] r10: c60336ec r9 : c05bff98 r8 : c6568000
>>> [ 23.940361] r7 : c6032000 r6 : c6033768 r5 : c6033600 r4 : 00000000
>>> [ 23.946848] r3 : 00000000 r2 : c05bff98 r1 : 00000000 r0 : c6033600
>>> [ 23.953329] Flags: nzCv IRQs off FIQs on Mode SVC_32 ISA ARM Segment
>>> user
>>> [ 23.960504] Control: 0000397f Table: a65a0018 DAC: 00000015
>>> [ 23.966207] Process kworker/0:2 (pid: 1204, stack limit = 0xc6568278)
>>> [...]
>>>
>>> Hardware is a PXA300 with a Marvell 8868 Wifi module attached over SDIO.
>>
>> Adding Daniel Drake to CC, for 9a821f5d0fc ("libertas: add sd8686
>> reset_card support").
>>
>> Looks like mmc_sdio_remove() calls mmc_remove_card() after the
>> reset_card function has called mmc_remove_host() already. Maybe
>> if_sdio_reset_card_worker() should call mmc_free_host() as well?
>From a quick look is seems we need better housekeeping of the
reset_host variable.
Does this (untested) patch help?
Daniel
[-- Attachment #2: libertas-fix.diff --]
[-- Type: text/x-patch, Size: 806 bytes --]
diff --git a/drivers/net/wireless/libertas/if_sdio.c b/drivers/net/wireless/libertas/if_sdio.c
index 9804ebc..abd3c9d 100644
--- a/drivers/net/wireless/libertas/if_sdio.c
+++ b/drivers/net/wireless/libertas/if_sdio.c
@@ -1039,9 +1039,13 @@ static void if_sdio_reset_card_worker(struct work_struct *work)
* instance for that reason.
*/
+ if (!reset_host)
+ return;
+
pr_info("Resetting card...");
mmc_remove_host(reset_host);
mmc_add_host(reset_host);
+ reset_host = NULL;
}
static DECLARE_WORK(card_reset_work, if_sdio_reset_card_worker);
@@ -1281,7 +1285,7 @@ static void if_sdio_remove(struct sdio_func *func)
pr_alert("CMD_FUNC_SHUTDOWN cmd failed\n");
}
-
+ reset_host = NULL;
lbs_deb_sdio("call remove card\n");
lbs_stop_card(card->priv);
lbs_remove_card(card->priv);
^ permalink raw reply related [flat|nested] 6+ messages in thread
* Re: Oops on suspend with libertas SDIO (Linux 3.2-rc2)
2011-11-18 14:02 ` Daniel Mack
@ 2011-11-21 10:14 ` Sven Neumann
0 siblings, 0 replies; 6+ messages in thread
From: Sven Neumann @ 2011-11-21 10:14 UTC (permalink / raw)
To: Daniel Mack
Cc: Srivatsa S. Bhat, Chris Ball, Daniel Drake, Dan Williams,
linux-mmc, libertas-dev, linux-kernel,
linux-pm >> Linux PM mailing list
Hi,
On Fri, 2011-11-18 at 15:02 +0100, Daniel Mack wrote:
> >> Looks like mmc_sdio_remove() calls mmc_remove_card() after the
> >> reset_card function has called mmc_remove_host() already. Maybe
> >> if_sdio_reset_card_worker() should call mmc_free_host() as well?
>
> >From a quick look is seems we need better housekeeping of the
> reset_host variable.
>
> Does this (untested) patch help?
No, it still oopses with this patch applied:
[ 102.965924] PM: Syncing filesystems ... done.
[ 103.016139] Freezing user space processes ... (elapsed 0.02 seconds) done.
[ 103.045535] Freezing remaining freezable tasks ... (elapsed 0.01 seconds) done.
[ 103.069910] libertas_sdio mmc0:0001:1: mmc0:0001:1: suspend: PM flags = 0x0
[ 103.076923] libertas_sdio mmc0:0001:1: Suspend without wake params -- powering down card
[ 106.092767] libertas_sdio mmc0:0001:1: wlan0: command 0x0010 timed out
[ 106.099330] libertas_sdio mmc0:0001:1: wlan0: Timeout submitting command 0x0010
[ 106.106725] libertas_sdio: Resetting card...
[ 106.110837] ------------[ cut here ]------------
[ 106.115702] WARNING: at fs/sysfs/group.c:138 sysfs_remove_group+0x50/0x11c()
[ 106.122748] sysfs group c05cb5c8 not found for kobject 'mmc0:0001:1'
[ 106.129057] Modules linked in: libertas_sdio libertas pxamci
[ 106.134783] [<c000dbb4>] (unwind_backtrace+0x0/0xec) from [<c001ca10>] (warn_slowpath_common+0x4c/0x64)
[ 106.144158] [<c001ca10>] (warn_slowpath_common+0x4c/0x64) from [<c001cabc>] (warn_slowpath_fmt+0x30/0x40)
[ 106.153711] [<c001cabc>] (warn_slowpath_fmt+0x30/0x40) from [<c00d36d4>] (sysfs_remove_group+0x50/0x11c)
[ 106.163193] [<c00d36d4>] (sysfs_remove_group+0x50/0x11c) from [<c0202f04>] (device_del+0x3c/0x1a4)
[ 106.172128] [<c0202f04>] (device_del+0x3c/0x1a4) from [<c0295e3c>] (sdio_remove_func+0x1c/0x2c)
[ 106.180816] [<c0295e3c>] (sdio_remove_func+0x1c/0x2c) from [<c0295150>] (mmc_sdio_remove+0x44/0x78)
[ 106.189852] [<c0295150>] (mmc_sdio_remove+0x44/0x78) from [<c028f124>] (mmc_stop_host+0xd0/0x22c)
[ 106.198707] [<c028f124>] (mmc_stop_host+0xd0/0x22c) from [<c02905b8>] (mmc_remove_host+0x18/0x2c)
[ 106.207587] [<c02905b8>] (mmc_remove_host+0x18/0x2c) from [<bf019470>] (if_sdio_reset_card_worker+0x18/0x2c [libertas_sdio])
[ 106.218820] [<bf019470>] (if_sdio_reset_card_worker+0x18/0x2c [libertas_sdio]) from [<c00302fc>] (process_one_work+0x260/0x3c8)
[ 106.230280] [<c00302fc>] (process_one_work+0x260/0x3c8) from [<c0030ac8>] (worker_thread+0x224/0x458)
[ 106.239498] [<c0030ac8>] (worker_thread+0x224/0x458) from [<c0036a00>] (kthread+0x80/0x88)
[ 106.247758] [<c0036a00>] (kthread+0x80/0x88) from [<c0009ca8>] (kernel_thread_exit+0x0/0x8)
[ 106.256091] ---[ end trace ba085a5f8ea6593c ]---
[ 106.260692] Unable to handle kernel NULL pointer dereference at virtual address 0000000c
[ 106.268759] pgd = c0004000
[ 106.271445] [0000000c] *pgd=00000000
[ 106.275032] Internal error: Oops: 17 [#1] PREEMPT
[ 106.279698] Modules linked in: libertas_sdio libertas pxamci
[ 106.285348] CPU: 0 Tainted: G W (3.2.0-rc2 #1)
[ 106.290999] PC is at klist_put+0x18/0x9c
[ 106.294905] LR is at device_del+0x50/0x1a4
[ 106.298978] pc : [<c03ca92c>] lr : [<c0202f18>] psr: a0000013
[ 106.298989] sp : c656ff18 ip : 40000013 fp : c602e605
[ 106.310379] r10: 00000000 r9 : bf019458 r8 : c602e600
[ 106.315566] r7 : 00000000 r6 : c63ff408 r5 : c6461f70 r4 : 00000001
[ 106.322054] r3 : 00000000 r2 : 00000200 r1 : 00000001 r0 : 00000001
[ 106.328543] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment kernel
[ 106.335805] Control: 0000397f Table: a665c018 DAC: 00000035
[ 106.341507] Process kworker/0:2 (pid: 1196, stack limit = 0xc656e278)
[ 106.347909] Stack: (0xc656ff18 to 0xc6570000)
[ 106.352236] ff00: c64cef08 c63ff000
[ 106.360368] ff20: c63ff408 c0202f18 c64cef08 c63ff000 00000084 c0295e3c 00000001 c0295150
[ 106.368501] ff40: c64f1c00 c63ff000 60000013 00000000 00000009 c028f124 c63ff000 c63ff000
[ 106.376635] ff60: c64f1c00 c02905b8 bf019c9c bf019470 bf019af0 c00302fc c05c1b38 c64f1c00
[ 106.384767] ff80: c05c1b38 c05c1b38 00000009 c656e000 c64f1c10 c05c1b38 c64f1c10 c0030ac8
[ 106.392899] ffa0: c607df14 c656ffd4 c607df14 c64f1c00 c00308a4 00000000 00000000 00000000
[ 106.401032] ffc0: 00000000 c0036a00 c0009ca8 00000000 c64f1c00 00000000 c656ffd8 c656ffd8
[ 106.409165] ffe0: 00000000 c607df14 c0036980 c0009ca8 00000013 c0009ca8 0340f30e 153b5900
[ 106.417309] [<c03ca92c>] (klist_put+0x18/0x9c) from [<c0202f18>] (device_del+0x50/0x1a4)
[ 106.425368] [<c0202f18>] (device_del+0x50/0x1a4) from [<c0295e3c>] (sdio_remove_func+0x1c/0x2c)
[ 106.434025] [<c0295e3c>] (sdio_remove_func+0x1c/0x2c) from [<c0295150>] (mmc_sdio_remove+0x44/0x78)
[ 106.443027] [<c0295150>] (mmc_sdio_remove+0x44/0x78) from [<c028f124>] (mmc_stop_host+0xd0/0x22c)
[ 106.451847] [<c028f124>] (mmc_stop_host+0xd0/0x22c) from [<c02905b8>] (mmc_remove_host+0x18/0x2c)
[ 106.460687] [<c02905b8>] (mmc_remove_host+0x18/0x2c) from [<bf019470>] (if_sdio_reset_card_worker+0x18/0x2c [libertas_sdio])
[ 106.471864] [<bf019470>] (if_sdio_reset_card_worker+0x18/0x2c [libertas_sdio]) from [<c00302fc>] (process_one_work+0x260/0x3c8)
[ 106.483283] [<c00302fc>] (process_one_work+0x260/0x3c8) from [<c0030ac8>] (worker_thread+0x224/0x458)
[ 106.492456] [<c0030ac8>] (worker_thread+0x224/0x458) from [<c0036a00>] (kthread+0x80/0x88)
[ 106.500684] [<c0036a00>] (kthread+0x80/0x88) from [<c0009ca8>] (kernel_thread_exit+0x0/0x8)
[ 106.508991] Code: e1a05000 e3a00001 e3c33001 e1a04001 (e593600c)
[ 106.515109] ---[ end trace ba085a5f8ea6593d ]---
[ 106.519881] Unable to handle kernel paging request at virtual address fffffffc
[ 106.527056] pgd = c0004000
[ 106.529742] [fffffffc] *pgd=a7ffe821, *pte=00000000, *ppte=00000000
[ 106.535986] Internal error: Oops: 17 [#2] PREEMPT
[ 106.540657] Modules linked in: libertas_sdio libertas pxamci
[ 106.546306] CPU: 0 Tainted: G D W (3.2.0-rc2 #1)
[ 106.551941] PC is at kthread_data+0x4/0xc
[ 106.555928] LR is at wq_worker_sleeping+0xc/0xb4
[ 106.560514] pc : [<c003648c>] lr : [<c0032ee0>] psr: 20000093
[ 106.560525] sp : c656fd60 ip : c05bff98 fp : c656fd94
[ 106.571916] r10: c659b6ec r9 : c05bff98 r8 : c656e000
[ 106.577104] r7 : c6032000 r6 : c659b768 r5 : c659b600 r4 : 00000000
[ 106.583582] r3 : 00000000 r2 : c05bff98 r1 : 00000000 r0 : c659b600
[ 106.590064] Flags: nzCv IRQs off FIQs on Mode SVC_32 ISA ARM Segment user
[ 106.597239] Control: 0000397f Table: a665c018 DAC: 00000015
[ 106.602940] Process kworker/0:2 (pid: 1196, stack limit = 0xc656e278)
[ 106.609333] Stack: (0xc656fd60 to 0xc6570000)
[ 106.613670] fd60: 00000000 c03d278c 00000000 00000001 c656fd9c c659b600 c6032000 c659b6ec
[ 106.621801] fd80: c659b5f8 c659b6ec 00000001 c656fd98 c0020acc c03d268c 00000000 c656fd9c
[ 106.629935] fda0: c656fd9c c659b734 c602e605 c656fed0 c659b600 c656e000 00000000 c04ef7d8
[ 106.638068] fdc0: 00000017 c656fed0 c602e605 c000c51c c656e278 0000000b 0000000c c656fed0
[ 106.646200] fde0: 00000000 00000017 00000000 c000ee00 c05bbbcc c659b600 00000000 0000000c
[ 106.654333] fe00: 0000000c c000effc c003b1ac c0015e8c c05bbbcc a0000013 00000017 c656fed0
[ 106.662466] fe20: 0000000c bf019458 00000000 c000849c 00000025 c656fe65 c05fffaf c656fe48
[ 106.670600] fe40: c001dc78 c0015e8c 00000000 80000013 c0036980 205b6a00 36303120 3635322e
[ 106.678732] fe60: 5d313930 00000020 00000000 00000000 c656fff8 c0009ca8 00000000 c000c2dc
[ 106.686865] fe80: c04eee5e c0036a00 00000004 0056fea8 c00d36d4 0000008a c04f71e0 c00d36d4
[ 106.694998] fea0: c656fef0 00000009 bf019458 00000000 c602e605 c03d24dc c03ca92c a0000013
[ 106.703130] fec0: ffffffff c656ff04 c602e600 c0008e98 00000001 00000001 00000200 00000000
[ 106.711264] fee0: 00000001 c6461f70 c63ff408 00000000 c602e600 bf019458 00000000 c602e605
[ 106.719397] ff00: 40000013 c656ff18 c0202f18 c03ca92c a0000013 ffffffff c64cef08 c63ff000
[ 106.727530] ff20: c63ff408 c0202f18 c64cef08 c63ff000 00000084 c0295e3c 00000001 c0295150
[ 106.735662] ff40: c64f1c00 c63ff000 60000013 00000000 00000009 c028f124 c63ff000 c63ff000
[ 106.743796] ff60: c64f1c00 c02905b8 bf019c9c bf019470 bf019af0 c00302fc c05c1b38 c64f1c00
[ 106.751929] ff80: c05c1b38 c05c1b38 00000009 c656e000 c64f1c10 c05c1b38 c64f1c10 c0030ac8
[ 106.760060] ffa0: c607df14 c656ffd4 c607df14 c64f1c00 c00308a4 00000000 00000000 00000000
[ 106.768194] ffc0: 00000000 c0036a00 c0009ca8 00000000 c64f1c00 00000001 c656ffd8 c656ffd8
[ 106.776328] ffe0: 00000000 c607df14 c0036980 c0009ca8 00000013 c0009ca8 0340f30e 153b5900
[ 106.784471] [<c003648c>] (kthread_data+0x4/0xc) from [<c0032ee0>] (wq_worker_sleeping+0xc/0xb4)
[ 106.793132] [<c0032ee0>] (wq_worker_sleeping+0xc/0xb4) from [<c03d278c>] (__schedule+0x10c/0x3a8)
[ 106.801975] [<c03d278c>] (__schedule+0x10c/0x3a8) from [<c0020acc>] (do_exit+0x668/0x694)
[ 106.810120] [<c0020acc>] (do_exit+0x668/0x694) from [<c000c51c>] (die+0x1f0/0x220)
[ 106.817658] [<c000c51c>] (die+0x1f0/0x220) from [<c000ee00>] (__do_kernel_fault+0x64/0x88)
[ 106.825880] [<c000ee00>] (__do_kernel_fault+0x64/0x88) from [<c000effc>] (do_page_fault+0x1d8/0x1f0)
[ 106.834968] [<c000effc>] (do_page_fault+0x1d8/0x1f0) from [<c000849c>] (do_DataAbort+0x34/0x94)
[ 106.843621] [<c000849c>] (do_DataAbort+0x34/0x94) from [<c0008e98>] (__dabt_svc+0x38/0x60)
[ 106.851830] Exception stack(0xc656fed0 to 0xc656ff18)
[ 106.856848] fec0: 00000001 00000001 00000200 00000000
[ 106.864979] fee0: 00000001 c6461f70 c63ff408 00000000 c602e600 bf019458 00000000 c602e605
[ 106.873110] ff00: 40000013 c656ff18 c0202f18 c03ca92c a0000013 ffffffff
[ 106.879705] [<c0008e98>] (__dabt_svc+0x38/0x60) from [<c03ca92c>] (klist_put+0x18/0x9c)
[ 106.887679] [<c03ca92c>] (klist_put+0x18/0x9c) from [<c0202f18>] (device_del+0x50/0x1a4)
[ 106.895743] [<c0202f18>] (device_del+0x50/0x1a4) from [<c0295e3c>] (sdio_remove_func+0x1c/0x2c)
[ 106.904400] [<c0295e3c>] (sdio_remove_func+0x1c/0x2c) from [<c0295150>] (mmc_sdio_remove+0x44/0x78)
[ 106.913400] [<c0295150>] (mmc_sdio_remove+0x44/0x78) from [<c028f124>] (mmc_stop_host+0xd0/0x22c)
[ 106.922221] [<c028f124>] (mmc_stop_host+0xd0/0x22c) from [<c02905b8>] (mmc_remove_host+0x18/0x2c)
[ 106.931063] [<c02905b8>] (mmc_remove_host+0x18/0x2c) from [<bf019470>] (if_sdio_reset_card_worker+0x18/0x2c [libertas_sdio])
[ 106.942250] [<bf019470>] (if_sdio_reset_card_worker+0x18/0x2c [libertas_sdio]) from [<c00302fc>] (process_one_work+0x260/0x3c8)
[ 106.953665] [<c00302fc>] (process_one_work+0x260/0x3c8) from [<c0030ac8>] (worker_thread+0x224/0x458)
[ 106.962840] [<c0030ac8>] (worker_thread+0x224/0x458) from [<c0036a00>] (kthread+0x80/0x88)
[ 106.971065] [<c0036a00>] (kthread+0x80/0x88) from [<c0009ca8>] (kernel_thread_exit+0x0/0x8)
[ 106.979365] Code: e593313c e5130008 e12fff1e e590313c (e5130004)
[ 106.985555] ---[ end trace ba085a5f8ea6593e ]---
[ 106.990144] Fixing recursive fault but reboot is needed!
[ 106.995474] Unable to handle kernel paging request at virtual address fffffffc
Sven
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: Oops on suspend with libertas SDIO (Linux 3.2-rc2)
2011-11-17 15:49 ` Chris Ball
2011-11-17 19:19 ` Srivatsa S. Bhat
@ 2011-11-23 18:04 ` Daniel Mack
1 sibling, 0 replies; 6+ messages in thread
From: Daniel Mack @ 2011-11-23 18:04 UTC (permalink / raw)
To: Chris Ball
Cc: Sven Neumann, Daniel Drake, Dan Williams, linux-mmc,
libertas-dev, linux-kernel,
linux-pm >> Linux PM mailing list
On Thu, Nov 17, 2011 at 4:49 PM, Chris Ball <cjb@laptop.org> wrote:
> Hi,
>
> On Thu, Nov 17 2011, Sven Neumann wrote:
>> I've given 3.2-rc2 a try today and the kernel oopsed when going into suspend:
>>
>> [ 20.387912] Freezing user space processes ... (elapsed 0.01 seconds) done.
>> [ 20.408759] Freezing remaining freezable tasks ... (elapsed 0.01
>> seconds) done.
>> [ 20.432966] libertas_sdio mmc0:0001:1: mmc0:0001:1: suspend: PM flags = 0x0
>> [ 20.439978] libertas_sdio mmc0:0001:1: Suspend without wake params --
>> powering down card
>> [ 23.456061] libertas_sdio mmc0:0001:1: wlan0: command 0x0010 timed out
>> [ 23.462626] libertas_sdio mmc0:0001:1: wlan0: Timeout submitting
>> command 0x0010
>> [ 23.470026] libertas_sdio: Resetting card...
>> [ 23.474140] ------------[ cut here ]------------
>> [ 23.479002] WARNING: at fs/sysfs/group.c:138 sysfs_remove_group+0x50/0x11c()
>> [ 23.486045] sysfs group c05cb5c8 not found for kobject 'mmc0:0001:1'
>> [ 23.492358] Modules linked in: libertas_sdio libertas pxamci
>> [ 23.498091] [<c000dbb4>] (unwind_backtrace+0x0/0xec) from
>> [<c001ca10>] (warn_slowpath_common+0x4c/0x64)
>> [ 23.507467] [<c001ca10>] (warn_slowpath_common+0x4c/0x64) from
>> [<c001cabc>] (warn_slowpath_fmt+0x30/0x40)
>> [ 23.517021] [<c001cabc>] (warn_slowpath_fmt+0x30/0x40) from
>> [<c00d369c>] (sysfs_remove_group+0x50/0x11c)
>> [ 23.526504] [<c00d369c>] (sysfs_remove_group+0x50/0x11c) from
>> [<c0202ec4>] (device_del+0x3c/0x1a4)
>> [ 23.535437] [<c0202ec4>] (device_del+0x3c/0x1a4) from [<c0295dfc>]
>> (sdio_remove_func+0x1c/0x2c)
>> [ 23.544127] [<c0295dfc>] (sdio_remove_func+0x1c/0x2c) from
>> [<c0295110>] (mmc_sdio_remove+0x44/0x78)
>> [ 23.553161] [<c0295110>] (mmc_sdio_remove+0x44/0x78) from
>> [<c028f0e4>] (mmc_stop_host+0xd0/0x22c)
>> [ 23.562016] [<c028f0e4>] (mmc_stop_host+0xd0/0x22c) from [<c0290578>]
>> (mmc_remove_host+0x18/0x2c)
>> [ 23.570898] [<c0290578>] (mmc_remove_host+0x18/0x2c) from
>> [<bf019470>] (if_sdio_reset_card_worker+0x18/0x2c [libertas_sdio])
>> [ 23.582138] [<bf019470>] (if_sdio_reset_card_worker+0x18/0x2c
>> [libertas_sdio]) from [<c00302fc>] (process_one_work+0x260/0x3c8)
>> [ 23.593594] [<c00302fc>] (process_one_work+0x260/0x3c8) from
>> [<c0030ac8>] (worker_thread+0x224/0x458)
>> [ 23.602816] [<c0030ac8>] (worker_thread+0x224/0x458) from
>> [<c0036a00>] (kthread+0x80/0x88)
>> [ 23.611078] [<c0036a00>] (kthread+0x80/0x88) from [<c0009ca8>]
>> (kernel_thread_exit+0x0/0x8)
>> [ 23.619409] ---[ end trace 78598ef84f325bdd ]---
>> [ 23.624011] Unable to handle kernel NULL pointer dereference at
>> virtual address 0000000c
>> [ 23.632079] pgd = c0004000
>> [ 23.634762] [0000000c] *pgd=00000000
>> [ 23.638351] Internal error: Oops: 17 [#1] PREEMPT
>> [ 23.643016] Modules linked in: libertas_sdio libertas pxamci
>> [ 23.648666] CPU: 0 Tainted: G W (3.2.0-rc2 #2)
>> [ 23.654316] PC is at klist_put+0x18/0x9c
>> [ 23.658213] LR is at device_del+0x50/0x1a4
>> [ 23.662287] pc : [<c03ca8fc>] lr : [<c0202ed8>] psr: a0000013
>> [ 23.662298] sp : c6569f18 ip : 40000013 fp : c602e605
>> [ 23.673688] r10: 00000000 r9 : bf019458 r8 : c602e600
>> [ 23.678876] r7 : 00000000 r6 : c6447408 r5 : c64bbe50 r4 : 00000001
>> [ 23.685363] r3 : 00000000 r2 : 00000200 r1 : 00000001 r0 : 00000001
>> [ 23.691844] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment
>> kernel
>> [ 23.699106] Control: 0000397f Table: a65a0018 DAC: 00000035
>> [ 23.704817] Process kworker/0:2 (pid: 1204, stack limit = 0xc6568278)
>> [ 23.711218] Stack: (0xc6569f18 to 0xc656a000)
>> [ 23.715547] 9f00: c65fe008 c6447000
>> [ 23.723677] 9f20: c6447408 c0202ed8 c65fe008 c6447000 00000084
>> c0295dfc 00000001 c0295110
>> [ 23.731810] 9f40: c63e8f00 c6447000 60000013 00000000 00000009
>> c028f0e4 c6447000 c6447000
>> [ 23.739944] 9f60: c63e8f00 c0290578 bf019c9c bf019470 bf019af0
>> c00302fc c05c1b38 c63e8f00
>> [ 23.748076] 9f80: c05c1b38 c05c1b38 00000009 c6568000 c63e8f10
>> c05c1b38 c63e8f10 c0030ac8
>> [ 23.756208] 9fa0: c6083f14 c6569fd4 c6083f14 c63e8f00 c00308a4
>> 00000000 00000000 00000000
>> [ 23.764341] 9fc0: 00000000 c0036a00 c0009ca8 00000000 c63e8f00
>> 00000000 c6569fd8 c6569fd8
>> [ 23.772475] 9fe0: 00000000 c6083f14 c0036980 c0009ca8 00000013
>> c0009ca8 0340f30e 153b5900
>> [ 23.780618] [<c03ca8fc>] (klist_put+0x18/0x9c) from [<c0202ed8>]
>> (device_del+0x50/0x1a4)
>> [ 23.788675] [<c0202ed8>] (device_del+0x50/0x1a4) from [<c0295dfc>]
>> (sdio_remove_func+0x1c/0x2c)
>> [ 23.797327] [<c0295dfc>] (sdio_remove_func+0x1c/0x2c) from
>> [<c0295110>] (mmc_sdio_remove+0x44/0x78)
>> [ 23.806328] [<c0295110>] (mmc_sdio_remove+0x44/0x78) from
>> [<c028f0e4>] (mmc_stop_host+0xd0/0x22c)
>> [ 23.815148] [<c028f0e4>] (mmc_stop_host+0xd0/0x22c) from [<c0290578>]
>> (mmc_remove_host+0x18/0x2c)
>> [ 23.823987] [<c0290578>] (mmc_remove_host+0x18/0x2c) from
>> [<bf019470>] (if_sdio_reset_card_worker+0x18/0x2c [libertas_sdio])
>> [ 23.835164] [<bf019470>] (if_sdio_reset_card_worker+0x18/0x2c
>> [libertas_sdio]) from [<c00302fc>] (process_one_work+0x260/0x3c8)
>> [ 23.846584] [<c00302fc>] (process_one_work+0x260/0x3c8) from
>> [<c0030ac8>] (worker_thread+0x224/0x458)
>> [ 23.855760] [<c0030ac8>] (worker_thread+0x224/0x458) from
>> [<c0036a00>] (kthread+0x80/0x88)
>> [ 23.863984] [<c0036a00>] (kthread+0x80/0x88) from [<c0009ca8>]
>> (kernel_thread_exit+0x0/0x8)
>> [ 23.872292] Code: e1a05000 e3a00001 e3c33001 e1a04001 (e593600c)
>> [ 23.878402] ---[ end trace 78598ef84f325bde ]---
>> [ 23.883135] Unable to handle kernel paging request at virtual address
>> fffffffc
>> [ 23.890313] pgd = c0004000
>> [ 23.893000] [fffffffc] *pgd=a7ffe821, *pte=00000000, *ppte=00000000
>> [ 23.899244] Internal error: Oops: 17 [#2] PREEMPT
>> [ 23.903915] Modules linked in: libertas_sdio libertas pxamci
>> [ 23.909564] CPU: 0 Tainted: G D W (3.2.0-rc2 #2)
>> [ 23.915199] PC is at kthread_data+0x4/0xc
>> [ 23.919186] LR is at wq_worker_sleeping+0xc/0xb4
>> [ 23.923772] pc : [<c003648c>] lr : [<c0032ee0>] psr: 20000093
>> [ 23.923783] sp : c6569d60 ip : c05bff98 fp : c6569d94
>> [ 23.935174] r10: c60336ec r9 : c05bff98 r8 : c6568000
>> [ 23.940361] r7 : c6032000 r6 : c6033768 r5 : c6033600 r4 : 00000000
>> [ 23.946848] r3 : 00000000 r2 : c05bff98 r1 : 00000000 r0 : c6033600
>> [ 23.953329] Flags: nzCv IRQs off FIQs on Mode SVC_32 ISA ARM Segment
>> user
>> [ 23.960504] Control: 0000397f Table: a65a0018 DAC: 00000015
>> [ 23.966207] Process kworker/0:2 (pid: 1204, stack limit = 0xc6568278)
>> [...]
>>
>> Hardware is a PXA300 with a Marvell 8868 Wifi module attached over SDIO.
>
> Adding Daniel Drake to CC, for 9a821f5d0fc ("libertas: add sd8686
> reset_card support").
>
> Looks like mmc_sdio_remove() calls mmc_remove_card() after the
> reset_card function has called mmc_remove_host() already. Maybe
> if_sdio_reset_card_worker() should call mmc_free_host() as well?
Or simply mmc_hw_reset()?
^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2011-11-23 18:04 UTC | newest]
Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2011-11-17 15:36 Oops on suspend with libertas SDIO (Linux 3.2-rc2) Sven Neumann
2011-11-17 15:49 ` Chris Ball
2011-11-17 19:19 ` Srivatsa S. Bhat
2011-11-18 14:02 ` Daniel Mack
2011-11-21 10:14 ` Sven Neumann
2011-11-23 18:04 ` Daniel Mack
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