lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Fri, 27 Aug 2010 11:11:48 -0700 From: john stultz <johnstul@...ibm.com> To: jean-philippe francois <jp.francois@...ove.com> Cc: Lin Ming <lin@...g.vg>, venki@...gle.com, "H. Peter Anvin" <hpa@...or.com>, linux-acpi@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>, jslaby@...e.cz Subject: Re: System time drifts when processor idle. On Fri, 2010-08-27 at 16:12 +0200, jean-philippe francois wrote: > My Timekeeping bug is still present, here is an updated script and log. > I am willing to make test, but I don't know what kind of debugging > info is needed. > > cat /sys/devices/system/clocksource/clocksource0/available_clocksource > hpet acpi_pm > cat /sys/devices/system/clocksource/clocksource0/current_clocksource > hpet Huh. hpet was not what I would have expected. So first, two experiments: 1) Does booting with "clock=acpi_pm" cause the issue to disappear? 2) Does booting with "nohz=off" cause the issue to disappear? Venkatesh: You have any experience with HPETs that halt in idle? thanks -john -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists