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Message-ID: <4ED6AF7B.9090101@gmail.com>
Date: Wed, 30 Nov 2011 17:34:35 -0500
From: Woody Suwalski <terraluna977@...il.com>
To: Jeff Layton <jlayton@...hat.com>
CC: "Srivatsa S. Bhat" <srivatsa.bhat@...ux.vnet.ibm.com>,
LKML <linux-kernel@...r.kernel.org>,
"Rafael J. Wysocki" <rjw@...k.pl>,
Linux PM mailing list <linux-pm@...r.kernel.org>,
Tejun Heo <tj@...nel.org>,
Belisko Marek <marek.belisko@...il.com>,
linux-cifs@...r.kernel.org
Subject: Re: CIFS mount: 3.2.0-rc3 suspend crash
Jeff Layton wrote:
> On Wed, 30 Nov 2011 11:03:59 +0530
> "Srivatsa S. Bhat"<srivatsa.bhat@...ux.vnet.ibm.com> wrote:
>
>> Adding linux-pm, Jeff Layton and others to CC.
>>
>> Regards,
>> Srivatsa S. Bhat
>>
>> On 11/30/2011 05:04 AM, Woody Suwalski wrote:
>>
>>> With CIFS mount present, suspend2ram seems to be failing on 3.2.0-rc3.
>>> It may be similar to recent NFS suspend issues?
>>>
>>> I have done couple of suspends, then did mount.cifs (at 555 seconds),
>>> and then tried suspend again. The problem is easy to duplicate.
>>>
>>> The hardware is a netbook Asus EeePC.
>>> I guess will find out if:
>>> - cifs for real 3.2 fixes the problem
>>> - NFS fix for -rc4 work for CIFS as well...
>>>
>>> Thanks, Woody
>>>
>>>
>>> [ 153.974532] uhci_hcd 0000:00:1d.1: PCI INT B disabled
>>> [ 153.974578] uhci_hcd 0000:00:1d.0: PCI INT A disabled
>>> [ 153.975774] i915 0000:00:02.0: PCI INT A disabled
>>> [ 153.977210] ACPI handle has no context!
>>> [ 153.977302] atl2 0000:03:00.0: PCI INT A disabled
>>> [ 153.977316] ACPI handle has no context!
>>> [ 154.277181] snd_hda_intel 0000:00:1b.0: PCI INT A disabled
>>> [ 154.288119] PM: suspend of devices complete after 414.210 msecs
>>> [ 154.299212] ehci_hcd 0000:00:1d.7: PME# enabled
>>> [ 154.299257] ehci_hcd 0000:00:1d.7: wake-up capability enabled by ACPI
>>> [ 154.310114] uhci_hcd 0000:00:1d.3: wake-up capability enabled by ACPI
>>> [ 154.310178] uhci_hcd 0000:00:1d.2: wake-up capability enabled by ACPI
>>> [ 154.310235] uhci_hcd 0000:00:1d.1: wake-up capability enabled by ACPI
>>> [ 154.310293] uhci_hcd 0000:00:1d.0: wake-up capability enabled by ACPI
>>> [ 154.310418] PM: late suspend of devices complete after 22.283 msecs
>>> [ 154.310451] ACPI: Preparing to enter system sleep state S3
>>> [ 154.311671] PM: Saving platform NVS memory
>>> [ 154.312968] Disabling non-boot CPUs ...
>>> [ 154.312968] ACPI: Low-level resume complete
>>> [ 154.312968] PM: Restoring platform NVS memory
>>> [ 154.312968] Force enabled HPET at resume
>>> [ 154.313366] ACPI: Waking up from system sleep state S3
>>> [ 154.341485] snd_hda_intel 0000:00:1b.0: restoring config space at
>>> offset 0x1 (was 0x100006, writing 0x100002)
>>> [ 154.341550] pcieport 0000:00:1c.0: restoring config space at offset
>>> 0x9 (was 0x1fff1, writing 0x10511041)
>>> [ 154.341566] pcieport 0000:00:1c.0: restoring config space at offset
>>> 0x8 (was 0xfff0, writing 0x10301020)
>>> [ 154.341580] pcieport 0000:00:1c.0: restoring config space at offset
>>> 0x7 (was 0xf0, writing 0x3030)
>>> [ 154.341603] pcieport 0000:00:1c.0: restoring config space at offset
>>> 0x1 (was 0x100104, writing 0x100507)
>>> [ 154.341689] pcieport 0000:00:1c.1: restoring config space at offset
>>> 0x9 (was 0x1fff1, writing 0x10111001)
>>> [ 154.341705] pcieport 0000:00:1c.1: restoring config space at offset
>>> 0x7 (was 0xf0, writing 0x2020)
>>> [ 154.341728] pcieport 0000:00:1c.1: restoring config space at offset
>>> 0x1 (was 0x100106, writing 0x100507)
>>> [ 154.341812] pcieport 0000:00:1c.2: restoring config space at offset
>>> 0x7 (was 0xf0, writing 0x1010)
>>> [ 154.341834] pcieport 0000:00:1c.2: restoring config space at offset
>>> 0x1 (was 0x100106, writing 0x100507)
>>> [ 154.341920] uhci_hcd 0000:00:1d.0: restoring config space at offset
>>> 0x1 (was 0x2800005, writing 0x2800001)
>>> [ 154.341958] uhci_hcd 0000:00:1d.0: wake-up capability disabled by ACPI
>>> [ 154.342004] uhci_hcd 0000:00:1d.1: restoring config space at offset
>>> 0x1 (was 0x2800005, writing 0x2800001)
>>> [ 154.342086] uhci_hcd 0000:00:1d.1: wake-up capability disabled by ACPI
>>> [ 154.342137] uhci_hcd 0000:00:1d.2: restoring config space at offset
>>> 0x1 (was 0x2800005, writing 0x2800001)
>>> [ 154.342166] uhci_hcd 0000:00:1d.2: wake-up capability disabled by ACPI
>>> [ 154.342211] uhci_hcd 0000:00:1d.3: restoring config space at offset
>>> 0x1 (was 0x2800005, writing 0x2800001)
>>> [ 154.342239] uhci_hcd 0000:00:1d.3: wake-up capability disabled by ACPI
>>> [ 154.342296] ehci_hcd 0000:00:1d.7: restoring config space at offset
>>> 0x1 (was 0x2900006, writing 0x2900002)
>>> [ 154.342335] ehci_hcd 0000:00:1d.7: wake-up capability disabled by ACPI
>>> [ 154.342349] ehci_hcd 0000:00:1d.7: PME# disabled
>>> [ 154.342374] pci 0000:00:1e.0: restoring config space at offset 0xf
>>> (was 0x60000, writing 0x600ff)
>>> [ 154.342606] atl2 0000:03:00.0: restoring config space at offset 0x1
>>> (was 0x100006, writing 0x100406)
>>> [ 154.343209] PM: early resume of devices complete after 1.941 msecs
>>> [ 154.343454] i915 0000:00:02.0: PCI INT A -> GSI 16 (level, low) ->
>>> IRQ 16
>>> [ 154.343470] i915 0000:00:02.0: setting latency timer to 64
>>> [ 154.347098] snd_hda_intel 0000:00:1b.0: PCI INT A -> GSI 16 (level,
>>> low) -> IRQ 16
>>> [ 154.347117] snd_hda_intel 0000:00:1b.0: setting latency timer to 64
>>> [ 154.347218] snd_hda_intel 0000:00:1b.0: irq 43 for MSI/MSI-X
>>> [ 154.347424] uhci_hcd 0000:00:1d.0: PCI INT A -> GSI 23 (level, low)
>>> -> IRQ 23
>>> [ 154.347442] uhci_hcd 0000:00:1d.0: setting latency timer to 64
>>> [ 154.347479] usb usb2: root hub lost power or was reset
>>> [ 154.347543] uhci_hcd 0000:00:1d.1: PCI INT B -> GSI 19 (level, low)
>>> -> IRQ 19
>>> [ 154.347559] uhci_hcd 0000:00:1d.1: setting latency timer to 64
>>> [ 154.347593] usb usb3: root hub lost power or was reset
>>> [ 154.347653] uhci_hcd 0000:00:1d.2: PCI INT C -> GSI 18 (level, low)
>>> -> IRQ 18
>>> [ 154.347670] uhci_hcd 0000:00:1d.2: setting latency timer to 64
>>> [ 154.347702] usb usb4: root hub lost power or was reset
>>> [ 154.347760] uhci_hcd 0000:00:1d.3: PCI INT D -> GSI 16 (level, low)
>>> -> IRQ 16
>>> [ 154.347776] uhci_hcd 0000:00:1d.3: setting latency timer to 64
>>> [ 154.347808] usb usb5: root hub lost power or was reset
>>> [ 154.347867] ehci_hcd 0000:00:1d.7: PCI INT A -> GSI 23 (level, low)
>>> -> IRQ 23
>>> [ 154.347884] ehci_hcd 0000:00:1d.7: setting latency timer to 64
>>> [ 154.347988] pci 0000:00:1e.0: setting latency timer to 64
>>> [ 154.348125] ata_piix 0000:00:1f.2: PCI INT B -> GSI 19 (level, low)
>>> -> IRQ 19
>>> [ 154.348140] ata_piix 0000:00:1f.2: setting latency timer to 64
>>> [ 154.354172] atl2 0000:03:00.0: PCI INT A -> GSI 17 (level, low) ->
>>> IRQ 17
>>> [ 154.354192] atl2 0000:03:00.0: setting latency timer to 64
>>> [ 154.354309] atl2 0000:03:00.0: irq 44 for MSI/MSI-X
>>> [ 154.354722] sd 1:0:0:0: [sda] Starting disk
>>> [ 154.525453] ata2.00: ACPI cmd ef/03:44:00:00:00:a0 (SET FEATURES)
>>> filtered out
>>> [ 154.525470] ata2.00: ACPI cmd ef/03:0c:00:00:00:a0 (SET FEATURES)
>>> filtered out
>>> [ 154.531325] ata2.00: configured for UDMA/66
>>> [ 154.591089] usb 1-5: reset high-speed USB device number 2 using ehci_hcd
>>> [ 154.805066] PM: resume of devices complete after 461.739 msecs
>>> [ 154.805801] Restarting tasks ... done.
>>> [ 154.832376] video LNXVIDEO:00: Restoring backlight state
>>> [ 155.964388] atl2: eth0 NIC Link is Up<100 Mbps Full Duplex>
>>> [ 265.377852] PM: Syncing filesystems ... done.
>>> [ 265.427397] Freezing user space processes ... (elapsed 0.01 seconds)
>>> done.
>>> [ 265.438118] Freezing remaining freezable tasks ... (elapsed 0.01
>>> seconds) done.
>>> [ 265.449211] Suspending console(s) (use no_console_suspend to debug)
>>> [ 265.451744] sd 1:0:0:0: [sda] Stopping disk
>>> [ 265.555169] ata_piix 0000:00:1f.2: PCI INT B disabled
>>> [ 265.555281] ehci_hcd 0000:00:1d.7: PCI INT A disabled
>>> [ 265.555336] uhci_hcd 0000:00:1d.3: PCI INT D disabled
>>> [ 265.555384] uhci_hcd 0000:00:1d.2: PCI INT C disabled
>>> [ 265.555432] uhci_hcd 0000:00:1d.1: PCI INT B disabled
>>> [ 265.555479] uhci_hcd 0000:00:1d.0: PCI INT A disabled
>>> [ 265.555639] snd_hda_intel 0000:00:1b.0: PCI INT A disabled
>>> [ 265.556302] i915 0000:00:02.0: PCI INT A disabled
>>> [ 265.558207] ACPI handle has no context!
>>> [ 265.558302] atl2 0000:03:00.0: PCI INT A disabled
>>> [ 265.558316] ACPI handle has no context!
>>> [ 265.569117] PM: suspend of devices complete after 119.214 msecs
>>> [ 265.580216] ehci_hcd 0000:00:1d.7: PME# enabled
>>> [ 265.580261] ehci_hcd 0000:00:1d.7: wake-up capability enabled by ACPI
>>> [ 265.591121] uhci_hcd 0000:00:1d.3: wake-up capability enabled by ACPI
>>> [ 265.591186] uhci_hcd 0000:00:1d.2: wake-up capability enabled by ACPI
>>> [ 265.591244] uhci_hcd 0000:00:1d.1: wake-up capability enabled by ACPI
>>> [ 265.591302] uhci_hcd 0000:00:1d.0: wake-up capability enabled by ACPI
>>> [ 265.591581] PM: late suspend of devices complete after 22.446 msecs
>>> [ 265.591615] ACPI: Preparing to enter system sleep state S3
>>> [ 265.592832] PM: Saving platform NVS memory
>>> [ 265.594133] Disabling non-boot CPUs ...
>>> [ 265.594133] ACPI: Low-level resume complete
>>> [ 265.594133] PM: Restoring platform NVS memory
>>> [ 265.594133] Force enabled HPET at resume
>>> [ 265.594133] ACPI: Waking up from system sleep state S3
>>> [ 265.621463] snd_hda_intel 0000:00:1b.0: restoring config space at
>>> offset 0x1 (was 0x100006, writing 0x100002)
>>> [ 265.621528] pcieport 0000:00:1c.0: restoring config space at offset
>>> 0x9 (was 0x1fff1, writing 0x10511041)
>>> [ 265.621544] pcieport 0000:00:1c.0: restoring config space at offset
>>> 0x8 (was 0xfff0, writing 0x10301020)
>>> [ 265.621559] pcieport 0000:00:1c.0: restoring config space at offset
>>> 0x7 (was 0xf0, writing 0x3030)
>>> [ 265.621582] pcieport 0000:00:1c.0: restoring config space at offset
>>> 0x1 (was 0x100104, writing 0x100507)
>>> [ 265.621667] pcieport 0000:00:1c.1: restoring config space at offset
>>> 0x9 (was 0x1fff1, writing 0x10111001)
>>> [ 265.621684] pcieport 0000:00:1c.1: restoring config space at offset
>>> 0x7 (was 0xf0, writing 0x2020)
>>> [ 265.621706] pcieport 0000:00:1c.1: restoring config space at offset
>>> 0x1 (was 0x100106, writing 0x100507)
>>> [ 265.621791] pcieport 0000:00:1c.2: restoring config space at offset
>>> 0x7 (was 0xf0, writing 0x1010)
>>> [ 265.621813] pcieport 0000:00:1c.2: restoring config space at offset
>>> 0x1 (was 0x100106, writing 0x100507)
>>> [ 265.621899] uhci_hcd 0000:00:1d.0: restoring config space at offset
>>> 0x1 (was 0x2800005, writing 0x2800001)
>>> [ 265.621938] uhci_hcd 0000:00:1d.0: wake-up capability disabled by ACPI
>>> [ 265.621983] uhci_hcd 0000:00:1d.1: restoring config space at offset
>>> 0x1 (was 0x2800005, writing 0x2800001)
>>> [ 265.622057] uhci_hcd 0000:00:1d.1: wake-up capability disabled by ACPI
>>> [ 265.622111] uhci_hcd 0000:00:1d.2: restoring config space at offset
>>> 0x1 (was 0x2800005, writing 0x2800001)
>>> [ 265.622139] uhci_hcd 0000:00:1d.2: wake-up capability disabled by ACPI
>>> [ 265.622183] uhci_hcd 0000:00:1d.3: restoring config space at offset
>>> 0x1 (was 0x2800005, writing 0x2800001)
>>> [ 265.622210] uhci_hcd 0000:00:1d.3: wake-up capability disabled by ACPI
>>> [ 265.622267] ehci_hcd 0000:00:1d.7: restoring config space at offset
>>> 0x1 (was 0x2900006, writing 0x2900002)
>>> [ 265.622305] ehci_hcd 0000:00:1d.7: wake-up capability disabled by ACPI
>>> [ 265.622320] ehci_hcd 0000:00:1d.7: PME# disabled
>>> [ 265.622344] pci 0000:00:1e.0: restoring config space at offset 0xf
>>> (was 0x60000, writing 0x600ff)
>>> [ 265.622575] atl2 0000:03:00.0: restoring config space at offset 0x1
>>> (was 0x100006, writing 0x100406)
>>> [ 265.623172] PM: early resume of devices complete after 1.925 msecs
>>> [ 265.623416] i915 0000:00:02.0: PCI INT A -> GSI 16 (level, low) ->
>>> IRQ 16
>>> [ 265.623432] i915 0000:00:02.0: setting latency timer to 64
>>> [ 265.627096] snd_hda_intel 0000:00:1b.0: PCI INT A -> GSI 16 (level,
>>> low) -> IRQ 16
>>> [ 265.627115] snd_hda_intel 0000:00:1b.0: setting latency timer to 64
>>> [ 265.627215] snd_hda_intel 0000:00:1b.0: irq 43 for MSI/MSI-X
>>> [ 265.627429] uhci_hcd 0000:00:1d.0: PCI INT A -> GSI 23 (level, low)
>>> -> IRQ 23
>>> [ 265.627448] uhci_hcd 0000:00:1d.0: setting latency timer to 64
>>> [ 265.627485] usb usb2: root hub lost power or was reset
>>> [ 265.627548] uhci_hcd 0000:00:1d.1: PCI INT B -> GSI 19 (level, low)
>>> -> IRQ 19
>>> [ 265.627564] uhci_hcd 0000:00:1d.1: setting latency timer to 64
>>> [ 265.627597] usb usb3: root hub lost power or was reset
>>> [ 265.627659] uhci_hcd 0000:00:1d.2: PCI INT C -> GSI 18 (level, low)
>>> -> IRQ 18
>>> [ 265.627675] uhci_hcd 0000:00:1d.2: setting latency timer to 64
>>> [ 265.627707] usb usb4: root hub lost power or was reset
>>> [ 265.627766] uhci_hcd 0000:00:1d.3: PCI INT D -> GSI 16 (level, low)
>>> -> IRQ 16
>>> [ 265.627781] uhci_hcd 0000:00:1d.3: setting latency timer to 64
>>> [ 265.627814] usb usb5: root hub lost power or was reset
>>> [ 265.627873] ehci_hcd 0000:00:1d.7: PCI INT A -> GSI 23 (level, low)
>>> -> IRQ 23
>>> [ 265.627889] ehci_hcd 0000:00:1d.7: setting latency timer to 64
>>> [ 265.627993] pci 0000:00:1e.0: setting latency timer to 64
>>> [ 265.628130] ata_piix 0000:00:1f.2: PCI INT B -> GSI 19 (level, low)
>>> -> IRQ 19
>>> [ 265.628145] ata_piix 0000:00:1f.2: setting latency timer to 64
>>> [ 265.634153] atl2 0000:03:00.0: PCI INT A -> GSI 17 (level, low) ->
>>> IRQ 17
>>> [ 265.634173] atl2 0000:03:00.0: setting latency timer to 64
>>> [ 265.634290] atl2 0000:03:00.0: irq 44 for MSI/MSI-X
>>> [ 265.634712] sd 1:0:0:0: [sda] Starting disk
>>> [ 265.796709] ata2.00: ACPI cmd ef/03:44:00:00:00:a0 (SET FEATURES)
>>> filtered out
>>> [ 265.796726] ata2.00: ACPI cmd ef/03:0c:00:00:00:a0 (SET FEATURES)
>>> filtered out
>>> [ 265.803326] ata2.00: configured for UDMA/66
>>> [ 265.880091] usb 1-5: reset high-speed USB device number 2 using ehci_hcd
>>> [ 266.091960] PM: resume of devices complete after 468.673 msecs
>>> [ 266.092731] Restarting tasks ... done.
>>> [ 266.112098] video LNXVIDEO:00: Restoring backlight state
>>> [ 267.219459] atl2: eth0 NIC Link is Up<100 Mbps Full Duplex>
>>> [ 554.912659] FS-Cache: Loaded
>>> [ 554.950749] FS-Cache: Netfs 'cifs' registered for caching
>>> [ 555.047550] CIFS VFS: default security mechanism requested. The
>>> default security mechanism will be upgraded from ntlm to ntlmv2 in
>>> kernel release 3.2
>>> [ 2094.090461] PM: Syncing filesystems ... done.
>>> [ 2094.155385] Freezing user space processes ... (elapsed 0.01 seconds)
>>> done.
>>> [ 2094.166113] Freezing remaining freezable tasks ...
>>> [ 2114.175108] Freezing of tasks failed after 20.00 seconds (1 tasks
>>> refusing to freeze, wq_busy=0):
>>> [ 2114.175586] cifsd S ccb50b40 0 2219 2 0x00800000
>>> [ 2114.175611] cc6cc000 00000046 00000000 ccb50b40 cc776b40 cc41d000
>>> cc776780 cc61d960
>>> [ 2114.175635] cc4d81c0 c178ec40 c178ec40 ccb50980 00000000 ccb50980
>>> c1031e88 00000001
>>> [ 2114.175660] c1031f9f c10230f5 c1559ee1 c17a7140 c1031e88 00000001
>>> c1031f9f c10230f5
>>> [ 2114.175684] Call Trace:
>>> [ 2114.175710] [<c1031e88>] ? get_parent_ip+0x8/0x20
>>> [ 2114.175723] [<c1031f9f>] ? add_preempt_count+0x5f/0xa0
>>> [ 2114.175747] [<c10230f5>] ? default_spin_lock_flags+0x5/0x10
>>> [ 2114.175770] [<c1559ee1>] ? _raw_spin_lock_irqsave+0x31/0x50
>>> [ 2114.175782] [<c1031e88>] ? get_parent_ip+0x8/0x20
>>> [ 2114.175794] [<c1031f9f>] ? add_preempt_count+0x5f/0xa0
>>> [ 2114.175807] [<c10230f5>] ? default_spin_lock_flags+0x5/0x10
>>> [ 2114.175820] [<c1559ee1>] ? _raw_spin_lock_irqsave+0x31/0x50
>>> [ 2114.175832] [<c1031e88>] ? get_parent_ip+0x8/0x20
>>> [ 2114.175846] [<c15588c1>] ? schedule_timeout+0x111/0x1d0
>>> [ 2114.175860] [<c1512500>] ? tcp_rcv_established+0x170/0x760
>>> [ 2114.175878] [<c1041fa0>] ? usleep_range+0x40/0x40
>>> [ 2114.175897] [<c14cb6e7>] ? sk_wait_data+0xa7/0xb0
>>> [ 2114.175920] [<c104ffc0>] ? abort_exclusive_wait+0x90/0x90
>>> [ 2114.175943] [<c1509948>] ? tcp_recvmsg+0x588/0xb80
>>> [ 2114.175956] [<c1001c0a>] ? __switch_to+0xea/0x1d0
>>> [ 2114.175976] [<c1008e97>] ? native_sched_clock+0x27/0x90
>>> [ 2114.175993] [<c152685f>] ? inet_recvmsg+0x6f/0xb0
>>> [ 2114.176063] [<c14c7f70>] ? sock_recvmsg+0xe0/0x120
>>> [ 2114.176086] [<c1242df8>] ? timerqueue_add+0x58/0xb0
>>> [ 2114.176098] [<c1031e88>] ? get_parent_ip+0x8/0x20
>>> [ 2114.176112] [<c1031e88>] ? get_parent_ip+0x8/0x20
>>> [ 2114.176123] [<c1031f07>] ? sub_preempt_count+0x67/0xa0
>>> [ 2114.176145] [<c1559d1b>] ? _raw_spin_unlock_irqrestore+0x1b/0x40
>>> [ 2114.176165] [<c1053a43>] ? hrtimer_try_to_cancel+0x43/0xa0
>>> [ 2114.176178] [<c1053ab1>] ? hrtimer_cancel+0x11/0x20
>>> [ 2114.176191] [<c155934c>] ? schedule_hrtimeout_range_clock+0xcc/0x170
>>> [ 2114.176206] [<c10536c0>] ? update_rmtp+0x80/0x80
>>> [ 2114.176219] [<c14c7fe7>] ? kernel_recvmsg+0x37/0x50
>>> [ 2114.176268] [<d0611228>] ? cifs_readv_from_socket+0x148/0x2b0 [cifs]
>>> [ 2114.176283] [<c1031e88>] ? get_parent_ip+0x8/0x20
>>> [ 2114.176309] [<d06113ac>] ? cifs_read_from_socket+0x1c/0x20 [cifs]
>>> [ 2114.176333] [<d0611522>] ? cifs_demultiplex_thread+0x112/0xc20 [cifs]
>>> [ 2114.176348] [<c1031e88>] ? get_parent_ip+0x8/0x20
>>> [ 2114.176370] [<d0611410>] ? dequeue_mid+0x60/0x60 [cifs]
>>> [ 2114.176391] [<c104f9c9>] ? kthread+0x69/0x70
>>> [ 2114.176406] [<c104f960>] ? kthread_worker_fn+0x150/0x150
>>> [ 2114.176420] [<c155af76>] ? kernel_thread_helper+0x6/0xd
>>> [ 2114.176466]
>>> [ 2114.176473] Restarting tasks ... done.
>>> [ 2114.201577] video LNXVIDEO:00: Restoring backlight state
>>> [ 2114.210975] lxpanel[1452]: segfault at 0 ip b6ead703 sp bfea8924
>>> error 4 in libc-2.13.so[b6e39000+13e000]
>>> --
> Thanks for reporting this. Does the following patch fix it?
>
> -----------------------[snip]------------------------
>
> cifs: attempt to freeze while looping on a receive attempt
>
> In the recent overhaul of the demultiplex thread receive path, we
> neglected to ensure that we attempt to freeze on each pass through the
> loop.
>
> Reported-by: Woody Suwalski<terraluna977@...il.com>
> Signed-off-by: Jeff Layton<jlayton@...hat.com>
> ---
> fs/cifs/connect.c | 2 ++
> 1 files changed, 2 insertions(+), 0 deletions(-)
>
> diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
> index bf82f88..d166e3a 100644
> --- a/fs/cifs/connect.c
> +++ b/fs/cifs/connect.c
> @@ -441,6 +441,8 @@ cifs_readv_from_socket(struct TCP_Server_Info *server, struct kvec *iov_orig,
> smb_msg.msg_controllen = 0;
>
> for (total_read = 0; to_read; total_read += length, to_read -= length) {
> + try_to_freeze();
> +
> if (server_unresponsive(server)) {
> total_read = -EAGAIN;
> break;
Jeff, I have tested on a similar EeePC box - the same cifsd crash.
The patch did not help...
Woody
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