Re: [Xen-users] Possible memory leak in qemu-dm when Xen USB Passthrough is used

[Alexandre Kouznetsov <alk@xxxxxxxxxx>]

Hello.

El 26/03/13 06:02, T escribió:
> Recently I have reported a Debian bug:
> http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=703430
> Possible memory leak in qemu-dm when Xen USB Passthrough is used
>
> I wonder if somebody encountered such behaviour or how can I debug it farther ?
I have got a issue using USB Passthrough to a HVM Dom0 under Xen 4.0 on 
Debian Squeeze. The guest system is Windows XP Pro i386 and the USB 
device is a Panasonic PBX KX-TES824, identified by lsusb as "04da:1683 
Panasonic (Matsushita)". The USB is used to set up and configure the 
phone switching system, it is supposed to be normally idle.
After a few days connected, the USB stops to respond within the guest 
system. Need to physically unplug the device and plug it back to 
recover, once the condition is triggered. I have made no farther 
diagnostics, it was easer to use a dump workaround: since the USB link 
is used few times in a year, I do a "xm usb-add" before I use it and a 
"xm usb-del" once I finished. Never needed to touch it again.
I have not monitored the memory consumption, son I can't tell if this is 
about the same memory leak you report.
Greetings.

--
Alexandre Kouznetsov


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