Bug 242253
Summary: | kernel 2.6.21-1.3199.fc8 breaks hardware clock access | ||
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Product: | [Fedora] Fedora | Reporter: | Michal Jaegermann <michal> |
Component: | kernel | Assignee: | Kernel Maintainer List <kernel-maint> |
Status: | CLOSED RAWHIDE | QA Contact: | Brian Brock <bbrock> |
Severity: | low | Docs Contact: | |
Priority: | low | ||
Version: | rawhide | ||
Target Milestone: | --- | ||
Target Release: | --- | ||
Hardware: | All | ||
OS: | Linux | ||
Whiteboard: | |||
Fixed In Version: | Doc Type: | Bug Fix | |
Doc Text: | Story Points: | --- | |
Clone Of: | Environment: | ||
Last Closed: | 2007-06-10 19:25:43 UTC | Type: | --- |
Regression: | --- | Mount Type: | --- |
Documentation: | --- | CRM: | |
Verified Versions: | Category: | --- | |
oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
Cloudforms Team: | --- | Target Upstream Version: | |
Embargoed: |
Description
Michal Jaegermann
2007-06-02 18:45:07 UTC
The same issue with 2.6.21-1.3200.fc8. hwclock started to work again with kernel 2.6.21-1.3218.fc8. An output from 'hwclock --debug --show' look currently like this: hwclock from util-linux-2.13-pre7 Using /dev/rtc interface to clock. Last drift adjustment done at 1181500588 seconds after 1969 Last calibration done at 1181500588 seconds after 1969 Hardware clock is on UTC time Assuming hardware clock is kept in UTC time. Waiting for clock tick... /dev/rtc does not have interrupt functions. Waiting in loop for time from /dev/rtc to change ...got clock tick Time read from Hardware Clock: 2007/06/10 18:42:40 Hw clock time : 2007/06/10 18:42:40 = 1181500960 seconds since 1969 Sun 10 Jun 2007 12:42:40 PM MDT -0.129198 seconds It should be noted that in dmesg there are traces that something tries to access rtc before it is available: .... drivers/rtc/hctosys.c: unable to open rtc device (rtc0) Freeing unused kernel memory: 312k freed .... and only quite a bit later this shows up: .... rtc_cmos 00:02: rtc core: registered rtc_cmos as rtc0 rtc0: alarms up to one year, y3k .... |