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List:       kde-pim
Subject:    Re: [Kde-pim] Tungsten T usb devfs
From:       Reinhold Kainhofer <reinhold () kainhofer ! com>
Date:       2003-11-27 18:30:29
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Am Donnerstag, 27. November 2003 19:20 schrieb Bleck:
> I know. That's why I wasted so much time until I succeeded in performing my
> first sync. It should be perfectly clear that on *this* system, with a usb
> Palm TT, /dev/ttyUSB0 is the *only* device that works.

It's the same with all Sony Clie's, which only use /dev/ttyUSB0...


> I still have a hudge reliability problem. As I said in my previous mail,
> the only hotsync that always succeeds is the first sync after a linux
> reboot. But what happens after the Palm hangs off ?
...
> Here, the Palm has hanged off, but not the daemon. The daemon should
> complain, because the device does not exist anymore. It doesn't. If I hit
> the hotsink button, the daemon will not detect it. The daemon seems to be
> "lost".

Yes, that's typically a kernel oops (crash) in the visor module. I experienced 
this with 2.4.x Kernel a few times (in particular, when the connection timed 
out for some reason, but I also had it after a successfully completed sync, 
as in your case). Try running "dmesg" in your situation, when kpilot is 
stuck. It will probably print out something about a kernel oops and a lot of 
uncomprehensible numbers from the stack trace or the registers or whatever. 
It seems this is a problem in the 2.4 visor Kernel module, although Helio 
already reported such a crash also with a 2.6 Kernel and a Tungsten E (bug 
69163 for kpilot). Unfortunately, this is not a problem in kpilot, and we 
can't do anything about this. 

Reinhold
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