Hi all,
I'm not too familiar with USB in 5.x or 6.x. After some great one-on-one
work with one of the NUT UPS tools devs, he got many linuxisms out of the
tripplite_usb code so I can monitor a UPS here.
The code is likely not perfect, and sometimes the NUT daemon needs to be
restarted to get fresh data.
Today it did this and I accidentally started two instances of the daemon.
This seems to have completely wedged up the USB stack. The tripplite_usb
process is unkillable, and is in disk wait state, which seems odd:
nut 59693 0.0 0.1 1480 1028 p1 D 1:34PM 0:00.00
/usr/local/libexec/nut/tripplite_usb -a colo1
All the "kill -9"'s in the world won't stop it.
I ran "usbdevs" to see if it was able to probe any devices and that too
hung and is now unkillable:
[EMAIL PROTECTED] /home/spork]# usbdevs
addr 1: UHCI root hub, VIA
^C^C^C
root 31627 0.0 0.1 1264 580 p1 D+ 5:33PM 0:00.00 usbdevs
Also in disk wait...
Any ideas, short of a reboot to kick things back into shape?
Here's the other processes, they all seem to be in disk wait and "waiting
to acquire a lock" (DL):
root 25 0.0 0.0 0 8 ?? DL 14Mar07 0:00.97 [usb0]
root 26 0.0 0.0 0 8 ?? DL 14Mar07 0:00.00
[usbtask]
root 28 0.0 0.0 0 8 ?? DL 14Mar07 0:00.98 [usb1]
root 29 0.0 0.0 0 8 ?? DL 14Mar07 0:00.73 [usb2]
root 31 0.0 0.0 0 8 ?? DL 14Mar07 0:00.72 [usb3]
root 34496 0.0 0.1 1288 712 ?? Is 5:42PM 0:00.00
/usr/sbin/usbd
root 31627 0.0 0.1 1264 580 p1 D+ 5:33PM 0:00.00 usbdevs
nut 59693 0.0 0.1 1480 1028 p1 D 1:34PM 0:00.00
/usr/local/libexec/nut/tripplite_usb -a colo1
Also any pointers to more info on USB for users would be appreciated.
Thanks,
Charles
___
Charles Sprickman
NetEng/SysAdmin
Bway.net - New York's Best Internet - www.bway.net
[EMAIL PROTECTED] - 212.655.9344
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