Public bug reported:
When booting the x86 kernel (touch x86 emulator):
[ 0.000000] Fast TSC calibration failed
[ 0.000000] TSC: Unable to calibrate against PIT
[ 0.000000] TSC: No reference (HPET/PMTIMER) available
[ 0.000000] Marking TSC unstable due to could not calculate TSC khz
Which then causes cpu MHz to be 0 at /proc/cpuinfo:
phablet@ubuntu-phablet:~$ cat /proc/cpuinfo
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 3
model name : Pentium II (Klamath)
stepping : 3
microcode : 0x1
cpu MHz : 0.000
This doesn't happen all the time, so it might be a combination of qemu +
goldfish.
** Affects: linux-goldfish (Ubuntu)
Importance: Undecided
Status: Confirmed
** Changed in: linux-goldfish (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1318070
Title:
TSC fails to calibrate against PIT
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