On Sun, 09 Sep 2007 09:27:06 +0200, Andi Kleen said: > > Updating on this issue: Both myself and another person have reported on > > the RedHat bugzilla that it's a clocksource issue - if you are using the > > hpet clocksource, the time warps, but booting with clocksource=acpi_pm works. > > > > This ring any bells? > > Does this patch fix it? > -Andi > > Add missing mask operation to vdso > > vdso vgetns() didn't mask the time source offset calculation, which could > lead to time problems with 32bit HPET. Add the masking. > > Thanks to Chuck Ebbert for tracking down. > > Signed-off-by: Andi Kleen <[email protected]> Confirming that does indeed fix it - booted with hpet clocksource and vdso=1, and the time didn't warp at the 5-minute mark. Tested-By: Valdis Kletnieks <[email protected]>
Attachment:
pgpsGRPi69KdO.pgp
Description: PGP signature
- References:
- 2.6.23-rc3-mm1
- From: Andrew Morton <[email protected]>
- Re: 2.6.23-rc3-mm1 - vdso and gettimeofday issues with glibc
- From: Chuck Ebbert <[email protected]>
- Re: 2.6.23-rc3-mm1 - vdso and gettimeofday issues with glibc
- From: [email protected]
- Re: 2.6.23-rc3-mm1 - vdso and gettimeofday issues with glibc
- From: Andi Kleen <[email protected]>
- 2.6.23-rc3-mm1
- Prev by Date: Re: [PATCH 3/3] build system: section garbage collection for vmlinux
- Next by Date: Re: tbench regression - Why process scheduler has impact on tbench and why small per-cpu slab (SLUB) cache creates the scenario?
- Previous by thread: Re: 2.6.23-rc3-mm1 - vdso and gettimeofday issues with glibc
- Next by thread: Re: 2.6.23-rc3-mm1 - vdso and gettimeofday issues with glibc
- Index(es):
 |