Bug#499300: linux-image-2.6.26-1-686: rtc-cmos does not work on dell D630
Package: linux-image-2.6.26-1-686
Version: 2.6.26-5
Severity: important
The kernel fails randomly to read and write date from the cmos clock.
Most of the time when the system boots, it fails to read the hardware clock.
I also noticed random behavior using hwclock, it works once and then fails :
sudo hwclock
Wed 17 Sep 2008 11:01:52 AM CEST -0.000624 seconds
sudo hwclock
select() to /dev/rtc to wait for clock tick timed out
Then it works again after several minutes.
Using the --directisa option does not work.
The command sudo hwclock --show --directisa hangs for 20s or so and gives no result and no error message.
Finally, the kernel logs are filled with message like this one:
[18209.096567] set_rtc_mmss: can't update from 53 to 6
-- Package-specific info:
** Version:
Linux version 2.6.26-1-686 (Debian 2.6.26-5) (waldi@debian.org) (gcc version 4.1.3 20080623 (prerelease) (Debian 4.1.2-23)) #1 SMP Wed Sep 10 16:46:13 UTC 2008
** Command line:
root=/dev/sda1 ro
** Tainted: P (1)
** Kernel log:
[18209.096567] set_rtc_mmss: can't update from 53 to 6
[18210.142998] set_rtc_mmss: can't update from 53 to 6
[18211.191819] set_rtc_mmss: can't update from 53 to 6
[18212.240225] set_rtc_mmss: can't update from 53 to 6
[18213.270752] set_rtc_mmss: can't update from 53 to 6
[18214.300184] set_rtc_mmss: can't update from 53 to 6
[18215.368497] set_rtc_mmss: can't update from 53 to 6
[18216.404832] set_rtc_mmss: can't update from 53 to 6
[18217.442270] set_rtc_mmss: can't update from 53 to 6
[18218.468697] set_rtc_mmss: can't update from 53 to 6
[18219.485861] set_rtc_mmss: can't update from 53 to 6
[18220.505139] set_rtc_mmss: can't update from 53 to 6
[18221.524993] set_rtc_mmss: can't update from 53 to 6
[18222.534474] set_rtc_mmss: can't update from 53 to 6
[18223.578360] set_rtc_mmss: can't update from 53 to 6
[18224.621424] set_rtc_mmss: can't update from 53 to 6
[18225.709820] set_rtc_mmss: can't update from 53 to 6
[18226.741420] set_rtc_mmss: can't update from 53 to 6
[18227.777811] set_rtc_mmss: can't update from 53 to 6
[18228.812982] set_rtc_mmss: can't update from 53 to 6
[18229.920482] set_rtc_mmss: can't update from 53 to 6
[18231.034376] set_rtc_mmss: can't update from 53 to 6
[18232.182181] set_rtc_mmss: can't update from 53 to 6
[18233.211753] set_rtc_mmss: can't update from 53 to 6
[18234.257221] set_rtc_mmss: can't update from 53 to 6
[18235.298850] set_rtc_mmss: can't update from 53 to 6
[18236.322436] set_rtc_mmss: can't update from 53 to 6
[18238.384115] set_rtc_mmss: can't update from 53 to 6
[18239.413315] set_rtc_mmss: can't update from 53 to 6
[18240.446530] set_rtc_mmss: can't update from 53 to 6
[18241.471096] set_rtc_mmss: can't update from 53 to 6
[18242.504013] set_rtc_mmss: can't update from 53 to 6
[18243.539017] set_rtc_mmss: can't update from 53 to 6
[18244.564035] set_rtc_mmss: can't update from 53 to 6
[18245.586110] set_rtc_mmss: can't update from 53 to 6
[18247.655768] set_rtc_mmss: can't update from 53 to 6
[18248.713970] set_rtc_mmss: can't update from 53 to 6
[18249.755658] set_rtc_mmss: can't update from 53 to 6
[18250.784724] set_rtc_mmss: can't update from 53 to 6
[18251.841652] set_rtc_mmss: can't update from 53 to 6
[18252.930837] set_rtc_mmss: can't update from 53 to 6
[18253.975855] set_rtc_mmss: can't update from 53 to 6
[18255.009873] set_rtc_mmss: can't update from 53 to 6
[18256.085501] set_rtc_mmss: can't update from 53 to 6
[18257.176311] set_rtc_mmss: can't update from 53 to 6
[18258.207714] set_rtc_mmss: can't update from 53 to 7
[18259.230205] set_rtc_mmss: can't update from 53 to 7
[18260.280529] set_rtc_mmss: can't update from 53 to 7
[18261.351450] set_rtc_mmss: can't update from 53 to 7
[18262.382731] set_rtc_mmss: can't update from 53 to 7
[18263.427884] set_rtc_mmss: can't update from 53 to 7
[18264.440151] set_rtc_mmss: can't update from 53 to 7
[18265.451059] set_rtc_mmss: can't update from 53 to 7
[18266.500172] set_rtc_mmss: can't update from 53 to 7
[18267.530143] set_rtc_mmss: can't update from 53 to 7
[18268.575613] set_rtc_mmss: can't update from 53 to 7
[18269.607777] set_rtc_mmss: can't update from 53 to 7
[18270.654719] set_rtc_mmss: can't update from 53 to 7
[18271.694426] set_rtc_mmss: can't update from 53 to 7
[18272.722794] set_rtc_mmss: can't update from 53 to 7
[18273.731238] set_rtc_mmss: can't update from 53 to 7
[18275.772275] set_rtc_mmss: can't update from 53 to 7
[18276.791271] set_rtc_mmss: can't update from 53 to 7
[18277.801549] set_rtc_mmss: can't update from 53 to 7
[18278.836883] set_rtc_mmss: can't update from 53 to 7
[18279.889396] set_rtc_mmss: can't update from 53 to 7
[18280.935367] set_rtc_mmss: can't update from 53 to 7
[18281.989023] set_rtc_mmss: can't update from 53 to 7
[18283.029998] set_rtc_mmss: can't update from 53 to 7
[18285.094289] set_rtc_mmss: can't update from 53 to 7
[18286.156693] set_rtc_mmss: can't update from 53 to 7
[18287.192663] set_rtc_mmss: can't update from 53 to 7
[18288.233446] set_rtc_mmss: can't update from 53 to 7
[18289.292100] set_rtc_mmss: can't update from 53 to 7
[18290.339584] set_rtc_mmss: can't update from 53 to 7
[18291.376252] set_rtc_mmss: can't update from 53 to 7
[18292.408589] set_rtc_mmss: can't update from 53 to 7
[18293.449195] set_rtc_mmss: can't update from 53 to 7
[18294.500905] set_rtc_mmss: can't update from 53 to 7
[18295.555425] set_rtc_mmss: can't update from 53 to 7
[18296.587109] set_rtc_mmss: can't update from 53 to 7
[18298.680917] set_rtc_mmss: can't update from 53 to 7
[18299.723611] set_rtc_mmss: can't update from 53 to 7
[18300.740872] set_rtc_mmss: can't update from 53 to 7
[18301.774679] set_rtc_mmss: can't update from 53 to 7
[18302.817216] set_rtc_mmss: can't update from 53 to 7
[18303.822377] set_rtc_mmss: can't update from 53 to 7
[18304.861274] set_rtc_mmss: can't update from 53 to 7
[18305.871199] set_rtc_mmss: can't update from 53 to 7
[18306.883675] set_rtc_mmss: can't update from 53 to 7
[18307.898563] set_rtc_mmss: can't update from 53 to 7
[18308.916536] set_rtc_mmss: can't update from 53 to 7
[18309.931983] set_rtc_mmss: can't update from 53 to 7
[18310.953052] set_rtc_mmss: can't update from 53 to 7
[18311.975027] set_rtc_mmss: can't update from 53 to 7
[18312.999008] set_rtc_mmss: can't update from 53 to 7
[18316.276918] set_rtc_mmss: can't update from 53 to 7
[18317.332050] set_rtc_mmss: can't update from 53 to 7
[18318.375434] set_rtc_mmss: can't update from 53 to 7
[18319.436798] set_rtc_mmss: can't update from 53 to 7
Kernel: Linux 2.6.26-1-686 (SMP w/2 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash
Versions of packages linux-image-2.6.26-1-686 depends on:
ii debconf [debconf-2.0] 1.5.23 Debian configuration management sy
ii initramfs-tools [linux-initra 0.92j tools for generating an initramfs
ii module-init-tools 3.4-1 tools for managing Linux kernel mo
Versions of packages linux-image-2.6.26-1-686 recommends:
ii libc6-i686 2.7-13 GNU C Library: Shared libraries [i
Versions of packages linux-image-2.6.26-1-686 suggests:
ii grub 0.97-47 GRand Unified Bootloader (Legacy v
pn linux-doc-2.6.26 <none> (no description available)