It's and AMD Geode single board computer, using CS5535 companion chip.
Here's the pertaining lspci -vvv section:
00:0f.4 Class 0c03: Device 1022:2094 (rev 02) (prog-if 10)
Subsystem: Device 1022:2094
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz+ UDF- FastB2B- ParErr- DEVSEL=medium >TAbort-
<TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0, Cache Line Size: 32 bytes
Interrupt: pin D routed to IRQ 11
Region 0: Memory at efffd000 (32-bit, non-prefetchable) [size=4K]
Capabilities: [40] Power Management version 2
Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA
PME(D0+,D1-,D2-,D3hot+,D3cold+)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-
Kernel driver in use: ohci-pci
00:0f.5 Class 0c03: Device 1022:2095 (rev 02) (prog-if 20)
Subsystem: Device 1022:2095
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz+ UDF- FastB2B- ParErr- DEVSEL=medium >TAbort-
<TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0, Cache Line Size: 32 bytes
Interrupt: pin D routed to IRQ 11
Region 0: Memory at efffc000 (32-bit, non-prefetchable) [size=4K]
Capabilities: [40] Power Management version 2
Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA
PME(D0+,D1-,D2-,D3hot+,D3cold+)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-
Kernel driver in use: ehci-pci
Il 16/04/2014 16:45, Alan Stern ha scritto:
On Tue, 15 Apr 2014, Matteo Fortini wrote:
Yes, we tried with 3.14 and after less than 24hrs.
What could we do to fix the issue?
Thank you,
Matteo
Here's dmesg output:
[103200.145660] INFO: task XXXXXXXX:2341 blocked for more than 120 seconds.
[103200.145774] Not tainted 3.14.0-XXXXXXXX+ #3
[103200.145844] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[103200.145950] XXXXXXXXX D de7a0000 0 2341 2263 0x00000000
[103200.146163] de79be5c 00200086 c17d8de0 de7a0000 de79be00 c17d8de0
00200246 c17d8e00
[103200.146357] de79be44 de7a0000 de79bfec de7a0000 c179b560 00200246
c17d8e00 de79be44
[103200.146661] de7a0000 0000007b c104eb7e c17d0000 00000000 ffffffcf
c154c2d5 de79be44
[103200.146853] Call Trace:
[103200.146948] [<c104eb7e>] ? preempt_count_sub+0xb/0xac
[103200.147103] [<c154c2d5>] ? _raw_spin_unlock_irqrestore+0x27/0x45
[103200.147200] [<c154c2df>] ? _raw_spin_unlock_irqrestore+0x31/0x45
[103200.147308] [<c1055899>] ? prepare_to_wait_event+0x60/0xb5
[103200.147432] [<c134af26>] ? usb_put_dev+0x14/0x16
[103200.147525] [<c1548be3>] schedule+0x22/0x54
[103200.147611] [<c1353ac1>] usb_kill_urb+0x51/0x80
A process hanging in usb_kill_urb indicates something is wrong with the
host controller driver. Which host controller driver does this device
use?
Alan Stern
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