From: Sven Neumann <s.neumann@raumfeld.com>
To: Daniel Mack <zonque@gmail.com>
Cc: "Srivatsa S. Bhat" <srivatsa.bhat@linux.vnet.ibm.com>,
Chris Ball <cjb@laptop.org>, Daniel Drake <dsd@laptop.org>,
Dan Williams <dcbw@redhat.com>,
linux-mmc@vger.kernel.org, libertas-dev@lists.infradead.org,
linux-kernel@vger.kernel.org,
"linux-pm >> Linux PM mailing list" <linux-pm@vger.kernel.org>
Subject: Re: Oops on suspend with libertas SDIO (Linux 3.2-rc2)
Date: Mon, 21 Nov 2011 11:14:32 +0100 [thread overview]
Message-ID: <1321870472.2085.12.camel@sven> (raw)
In-Reply-To: <CACTFLANdc-PaaeR7CcAFsc7VztvPmGF+q4saqtA-UtuBvQxwkg@mail.gmail.com>
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
next prev parent reply other threads:[~2011-11-21 10:14 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
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 [this message]
2011-11-23 18:04 ` Daniel Mack
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