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SubjectRe: Oops when syncing Sony Clie 760 with USB cradle
Hi Greg,

the output is below, I also added a couple of debug-lines in the
visor_open()
function. Seems to me like port->read_urb is null and maybe that
shouldn't be?
Anyways, if I got that all wrong, don't hit me ;-).
I would have like to look a little more around, but I have not really
any idea of
kernel programming so I have no clue who calls visor_open()
Let me know if I can do anything else.
Oh, and by the way, the crash happens, when I press "Sync" in jpilot,
before that
everything is fine.

see you later
Stephan

P.S. sorry i took so long, but i was a little busy here ;-)


> Nov 6 15:15:59 yvette kernel: hub.c: port 1 connection change
> Nov 6 15:15:59 yvette kernel: hub.c: port 1, portstatus 101, change
> 1, 12 Mb/s
> Nov 6 15:15:59 yvette kernel: hub.c: port 1, portstatus 103, change
> 0, 12 Mb/s
> Nov 6 15:15:59 yvette kernel: hub.c: USB new device connect on
> bus1/1, assigned device number 2
> Nov 6 15:15:59 yvette kernel: usb.c: kmalloc IF dbfdcdc0, numif 1
> Nov 6 15:15:59 yvette kernel: usb.c: new device strings: Mfr=1,
> Product=2, SerialNumber=0
> Nov 6 15:15:59 yvette kernel: usb.c: USB device number 2 default
> language ID 0x409
> Nov 6 15:15:59 yvette kernel: Manufacturer: Sony Corp.
> Nov 6 15:15:59 yvette kernel: Product: Palm Handheld
> Nov 6 15:15:59 yvette kernel: usbserial.c: Sony Clie 4.0 converter
> detected
> Nov 6 15:15:59 yvette kernel: visor.c: visor_startup
> Nov 6 15:15:59 yvette kernel: visor.c: visor_startup - Set config to 1
> Nov 6 15:15:59 yvette kernel: visor.c: Sony Clie 4.0: Number of ports: 2
> Nov 6 15:15:59 yvette kernel: visor.c: Sony Clie 4.0: port 1, is for
> Generic use and is bound to ttyUSB0
> Nov 6 15:15:59 yvette kernel: visor.c: Sony Clie 4.0: port 2, is for
> HotSync use and is bound to ttyUSB1
> Nov 6 15:15:59 yvette kernel: usb-uhci.c: interrupt, status 2, frame# 984
> Nov 6 15:16:02 yvette kernel: usb_control/bulk_msg: timeout
> Nov 6 15:16:02 yvette kernel: visor.c: visor_startup - error getting
> first unknown palm command
> Nov 6 15:16:05 yvette kernel: usb_control/bulk_msg: timeout
> Nov 6 15:16:05 yvette kernel: visor.c: visor_startup - error getting
> second unknown palm command
> Nov 6 15:16:05 yvette kernel: usbserial.c: Sony Clie 4.0 converter
> now attached to ttyUSB0 (or usb/tts/0 for devfs)
> Nov 6 15:16:05 yvette kernel: usbserial.c: Sony Clie 4.0 converter
> now attached to ttyUSB1 (or usb/tts/1 for devfs)
> Nov 6 15:16:05 yvette kernel: usb.c: serial driver claimed interface
> dbfdcdc0
> Nov 6 15:16:05 yvette kernel: usb.c: kusbd: /sbin/hotplug add 2
> Nov 6 15:16:05 yvette kernel: usb.c: kusbd policy returned 0xfffffffe
> Nov 6 15:16:09 yvette kernel: visor.c: visor_open - port 1
> Nov 6 15:16:09 yvette kernel: visor.c: visor_openport->read_urb
> 00000000 <----- should that be that way?
> Nov 6 15:16:09 yvette kernel: visor.c: visor_openport->serial->dev
> dda78e00
> Nov 6 15:16:09 yvette kernel: Unable to handle kernel NULL pointer
> dereference at virtual address 00000024
> Nov 6 15:16:09 yvette kernel: printing eip:
> Nov 6 15:16:09 yvette kernel: e08a514d
> Nov 6 15:16:09 yvette kernel: *pde = 00000000
> Nov 6 15:16:09 yvette kernel: Oops: 0000
> Nov 6 15:16:09 yvette kernel: CPU: 0
> Nov 6 15:16:09 yvette kernel: EIP: 0010:[<e08a514d>] Tainted: PF
> Nov 6 15:16:09 yvette kernel: EFLAGS: 00210202
> Nov 6 15:16:09 yvette kernel: eax: 00000000 ebx: db4c3094 ecx:
> df61a000 edx: 00000001
> Nov 6 15:16:09 yvette kernel: esi: db4c3000 edi: 00000000 ebp:
> db4c30f0 esp: db4a3eb0
> Nov 6 15:16:09 yvette kernel: ds: 0018 es: 0018 ss: 0018
> Nov 6 15:16:09 yvette kernel: Process jpilot (pid: 533,
> stackpage=db4a3000)
> Nov 6 15:16:09 yvette kernel: Stack: dce3f000 db7279c0 dedb44a0
> c180e2e0 e08a0284 db4c3094 db7279c0 00000000
> Nov 6 15:16:09 yvette kernel: 00000000 c018b98b dce3f000
> db7279c0 00000000 db7279c0 dedb44a0 c180e2e0
> Nov 6 15:16:09 yvette kernel: 4c99880a 08020007 dce3f000
> c18094a0 db4a3f38 db4a3f38 dedb76e0 00000000
> Nov 6 15:16:09 yvette kernel: Call Trace: [<e08a0284>]
> [tty_open+511/872] [link_path_walk+1553/1752] [permission+43/48]
> [chrdev_open+62/76]
> Nov 6 15:16:09 yvette kernel: [dentry_open+225/392]
> [filp_open+82/92] [sys_open+54/148] [system_call+51/56]
> Nov 6 15:16:09 yvette kernel:
> Nov 6 15:16:09 yvette kernel: Code: 8b 40 24 50 68 60 62 8a e0 e8 c5
> 09 87 df 83 c4 08 83 3d 80
> Nov 6 15:16:42 yvette kernel: <7>hub.c: port 1 connection change
> Nov 6 15:16:42 yvette kernel: hub.c: port 1, portstatus 100, change
> 3, 12 Mb/s
> Nov 6 15:16:42 yvette kernel: usb.c: USB disconnect on device 2
> Nov 6 15:16:42 yvette kernel: visor.c: visor_shutdown
> Nov 6 15:16:42 yvette kernel: visor.c: visor_close - port 1







Greg KH wrote:

>On Mon, Nov 05, 2001 at 10:36:16AM +0000, Stephan Gutschke wrote:
>
>>Hi there,
>>if anything else is needed, let me know.
>>
>
>Could you load the driver with "debug=1" and then try this again? If
>the oops happens, can you send me the kernel debug log?
>
>And does this happen at the end of the sync, or the beginning?
>Every time? Occasionally?
>
>thanks,
>
>greg k-h
>


--
Stephan Gutschke



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