Ubuntu
linux package

  1. Bug #355155
  2. Comment #99

Comment 99 for bug 355155

Revision history for this message
alcCapone (alcc) wrote : Re: Clocksource tsc unstable leads to lockups in Ubuntu Jaunty

# grep -i tsc /var/log/messages
May 15 08:11:52 x60s kernel: [ 0.000000] Fast TSC calibration using PIT
May 15 08:11:52 x60s kernel: [ 0.800755] checking TSC synchronization [CPU#0 -> CPU#1]:
May 15 08:11:52 x60s kernel: [ 0.804002] Measured 526920 cycles TSC warp between CPUs, turning off TSC clock.
May 15 08:11:52 x60s kernel: [ 0.804002] Marking TSC unstable due to check_tsc_sync_source failed
May 15 08:12:01 x60s kernel: [ 25.869988] vboxdrv: TSC mode is 'asynchronous', kernel timer mode is 'normal'.
... [repeats]

# grep -i tsc /var/log/installer/syslog
[sudo] password for cf:
Oct 31 16:41:39 ubuntu kernel: [ 163.425955] checking TSC synchronization [CPU#0 -> CPU#1]:
Oct 31 16:41:39 ubuntu kernel: [ 163.445936] Measured 526930 cycles TSC warp between CPUs, turning off TSC clock.
Oct 31 16:41:39 ubuntu kernel: [ 163.445939] Marking TSC unstable due to: check_tsc_sync_source failed.