Public bug reported:
Binary package hint: gnome-power-manager
Version of Ubuntu: 8.04.1
Version of package: gnome-power-manager 2.22.1-1ubuntu4
What I expected to happen: The panel icon should report state of
battery charge, but tell me I am running off the wall. It also should
not affect the stability of the system.
What happened: The panel icon said I was running off the battery and
the system became unstable resulting in hard freezes.
I am running Hardy with kernel 2.6.24-19-generic #1 SMP Fri Jul 11 23:41:49 UTC
2008 i686 GNU/Linux, as well as all latest packages.
My mobo is Asus A7n-8XE-Deluxe. AMD 64 3200+ 2 gig ram.
I purchased a new Tripplite 1000W UPS that has a USB port to allow the OS to
monitor the state of the UPS.
After plugging it in on a fresh boot, the power management applet had a new tab
devoted to the the UPS and an icon appeared in my top panel telling me the
system was running on battery power with a charge of 100%. This was not
entirely true as the UPS was plugged in and it should have been running of the
wall, not the internal battery.
Immediately following this, the system became unstable resulting in hard
lockups after only a few mins. of use. I tried disabling compiz and
made sure cool 'n quiet was disabled in my BIOS. I also tried running
the system off a live CD for Hardy 8.04.1 and had the same freezing even
with no applications running. This is a hard freeze with no mouse or
keyboard input possible. I tried both usb and ps2 keyboards and they
all lock up. Only recourse is to hit the reset button on the tower.
The system logs in fine and freezes anywhere from 15 seconds to 10
minutes into the session.
After shutting down and unplugging the USB cable from the UPS and
restarting. The system has returned to normal. No more freezing.
** Affects: gnome-power-manager (Ubuntu)
Importance: Undecided
Status: New
--
UPS USB connection causes power management to freeze system in Hardy
https://bugs.launchpad.net/bugs/254309
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