Re: BUG: Guest lockup and 100% CPU load on host

2009-01-16 Thread Jan Bernauer
Hi, thanks for the info! It seems quite stable now, but I haven't tried -smp 2 yet. Timing problems seem plausible: I have a dvb-card passed through to the guest. With normal setup, the frontend detection of the driver module breaks every other try with a i2c timeout. I changed the cpufreq gov

Re: BUG: Guest lockup and 100% CPU load on host

2009-01-15 Thread James Thomason
Jan, I spent some time with the same problem over the last two days. Avi Kivity suggested adding "clocksource=acpi_pm" to the guest kernel boot line, and that seems to have resolved the issue. Would you give that a try and let me know the result? Also I believe the following bugs might be relat

BUG: Guest lockup and 100% CPU load on host

2009-01-15 Thread Jan C. Bernauer
Hi, while I was trying to get pci passthrough to work without vt-d using the 1to1 mapping (it works ;), I stumbled upon a solid lock up of the guest. (Unpatched source shows the same behaviour) I see a strange look up of the guest OS with the following "features": - guest doesn't respond anym