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Re: samsung or android device causing crash?



On Thu, Nov 08, 2012 at 07:27:59PM -0500, Tony Baldwin wrote:
> I've been having occasional lock ups.
> The screen will blank out like X has crashed and I see a tty login, 
> but still see a mouse pointer, but can not type to login, and the 
> mouse pointer will be stuck.
> Can't get any input to machine with keyboard (like to switch to another
> tty even), etc., so I reset or do a hard shutdown and reboot.
> 
> I dig into dmesg, and the only common thread I'm seeing is that it
> happens when my Samsung Galaxy is plugged into the machine to recharge
> it. 
> I'll see something about a new usb device connecting, and unable to
> enumerate device, or some such thing.
> I really have a hard time making sense of dmesg, anyway.
> Mostly I think I'm just seeing what happens when I reboot the machine, 
> locating drives, usb controller, blah blah.
> I don't see anything that says "error", and there are no human-readable
> time signatures...Perhaps I'm misinterpreting what I'm seeing.
> The usb connection to the phone is so iffy and/or fickle, I remove the sdcard and
> use a cardreader to transfer stuff.
> Sometimes it beeps like it's freshly connected just bumping the table
> (loose cord thing), incessantly. So, I'm wondering if it's the phone causing the problems.
> 
> If it isn't, I'd like to know how to better diagnose this matter.
> 
> I'm running Squeeze, updated generally a couple of times/month,
> on AMD64, 4x2.8ghz, with 16gb ram.

Okay, I've looked in /var/log/kern.log
I think I found relevant stuff just before this latest lock-up.
I grabbed a whole bunch of it, mentioning CD-ROM, usb mass storage device and Samsung
(it's a phone, not an optical drive).
I must have grabbed 3 pages of stuff that seemed relevant. A lot of
stuff, so, rather than paste it all into a mail to the list, I pasted it on my
pastebin:
http://tonybaldwin.me/paste/index.php?2s

The last line is when it's coming back on/rebooted, so everything above
is just before it locked up and I reset the machine.

I hope that helps. This keeps happening, not daily, but fairly
frequently, now, while I'm working. Not good. Very annoying

Any and all assistance, as always, appreciated.

./tony
-- 
http://www.tonybaldwin.me
all tony, all the time!
3F330C6E

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