on 12/09/2012 15:54 Andriy Gapon said the following: > on 12/09/2012 14:34 Lars Engels said the following: >> Meanwhile I found out what's the cause of it. On 9.x it only hung from >> time to time, but I tried a few weeks old CURRENT and it hung at every >> boot at the same time. >> With enabled verbose boot it looked like this: >> http://bsd-geek.de/FreeBSD/IMAG0190.jpg >> >> Then I removed the AC cable and booted from battery and that worked. So >> it seems to me that some ACPI change in CURRENT made the situation even >> worse. >> > > Could you try to play with different eventtimer settings (preferably in > current) ? > You can use this thread / PR as a guide: > http://thread.gmane.org/gmane.os.freebsd.devel.amd64/14480/focus=14495 > > The place where boot stop looks suspiciously close to the place where timer > interrupts should start driving the system. >
Just in case. My point is that your system might using a timer that stops in certain (deeper) C-states. Generally FreeBSD disables deeper C-states in such a situation, but your system may require additional quirks. -- Andriy Gapon _______________________________________________ freebsd-stable@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "freebsd-stable-unsubscr...@freebsd.org"
