Comment 96 for bug 355155

For few days it was rock stable. Now i had a crash while computer was on screensaver.
18:39 I came and it was frozen. :(

cat /var/log/kern.log | grep -i "tsc"
May 21 18:06:07 Kompuuter kernel: [ 0.000000] Fast TSC calibration using PIT
May 21 18:06:07 Kompuuter kernel: [ 0.468648] checking TSC synchronization [CPU#0 -> CPU#1]: passed.
May 21 18:06:07 Kompuuter kernel: [ 3.217592] Marking TSC unstable due to TSC halts in idle
May 21 18:06:08 Kompuuter kernel: [ 13.001058] Clocksource tsc unstable (delta = -206363444 ns)
May 21 18:06:09 Kompuuter kernel: [ 13.734607] vboxdrv: TSC mode is 'synchronous', kernel timer mode is 'normal'.
May 21 18:38:07 Kompuuter kernel: [ 0.000000] Fast TSC calibration using PIT
May 21 18:38:07 Kompuuter kernel: [ 0.468647] checking TSC synchronization [CPU#0 -> CPU#1]: passed.
May 21 18:38:07 Kompuuter kernel: [ 3.217595] Marking TSC unstable due to TSC halts in idle
May 21 18:38:08 Kompuuter kernel: [ 15.504060] Clocksource tsc unstable (delta = -187336808 ns)
May 21 18:38:09 Kompuuter kernel: [ 16.205336] vboxdrv: TSC mode is 'synchronous', kernel timer mode is 'normal'.

cat /var/log/kern.log | grep -i "hpet"
May 21 18:38:07 Kompuuter kernel: [ 0.000000] ACPI: HPET BFDFCD86, 0038 (r1 INTEL CRESTLNE 6040000 LOHR 5A)
May 21 18:38:07 Kompuuter kernel: [ 0.000000] ACPI: HPET id: 0x8086a201 base: 0xfed00000
May 21 18:38:07 Kompuuter kernel: [ 0.004000] hpet clockevent registered
May 21 18:38:07 Kompuuter kernel: [ 0.004000] HPET: 4 timers in total, 0 timers will be used for per-cpu timer
May 21 18:38:07 Kompuuter kernel: [ 0.596077] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0, 0
May 21 18:38:07 Kompuuter kernel: [ 0.596081] hpet0: 4 comparators, 64-bit 14.318180 MHz counter
May 21 18:38:07 Kompuuter kernel: [ 3.216126] rtc0: alarms up to one month, y3k, 242 bytes nvram, hpet irqs