I wonder if this in your strace is ok: ioctl(6, MTRRIOC_GET_ENTRY, 0xbfb62aec) = -1 EINVAL (Invalid argument)
I traced the POST code in RADEONEnterVT() to http://bugs.debian.org/cgi- bin/bugreport.cgi?bug=234575 where it was introduced as a workaround to some cards going bad over resume. I guess it should not try to POST after only a VT switch. Don't worry about ltrace, your gdb work is excellent. But it means that just executing the POST without waiting before and after doesn't help, so a usleep workaround will probably not work. -- [M6 LY] System lockup when switching VT's or Resume from Suspend https://bugs.launchpad.net/bugs/148408 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
