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<H1>[Mageia-dev] Freeze Push: e2fsprogs</H1>
<B>Colin Guthrie</B>
<A HREF="mailto:mageia-dev%40mageia.org?Subject=Re%3A%20%5BMageia-dev%5D%20Freeze%20Push%3A%20e2fsprogs&In-Reply-To=%3C4F9ABC08.8080407%40colin.guthr.ie%3E"
TITLE="[Mageia-dev] Freeze Push: e2fsprogs">mageia at colin.guthr.ie
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<I>Fri Apr 27 17:32:24 CEST 2012</I>
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<PRE>'Twas brillig, and Thierry Vignaud at 27/04/12 15:19 did gyre and gimble:
><i> On 27 April 2012 15:23, Colin Guthrie <<A HREF="https://www.mageia.org/mailman/listinfo/mageia-dev">mageia at colin.guthr.ie</A>> wrote:
</I>>><i> Hi,
</I>>><i>
</I>>><i> As per discussions earlier, can you please push e2fsprogs.
</I>><i>
</I>><i> Er there hasn't been much discussion!
</I>><i>
</I>>><i> It adds a default config to prevent fsck when system clock and hwclock
</I>>><i> are out of sync.
</I>><i>
</I>><i> What's more, from what I remember from reading the e2fsprogs many years ago,
</I>><i> that was added only for ubuntu installer where date setting was wrong,
</I>><i> resulting in a date differenence on booting the newly installed system
</I>><i> and thus forcing a fsck.
</I>><i>
</I>><i> This doesn't affect us since our installer forbid fsck based on too big
</I>><i> elapsed time since last check.
</I>><i>
</I>><i> What's more it cannot happen "when system clock and hwclock
</I>><i> are out of sync" for the same reason.
</I>><i>
</I>><i> As it doesn't fix any real bug, I suggests postponing this to mga3.
</I>
Well, it's does not directly related to a bug but it is in some way
related to:
<A HREF="https://bugs.mageia.org/show_bug.cgi?id=3817">https://bugs.mageia.org/show_bug.cgi?id=3817</A>
As I mentioned in my original mail, as the hwclock is not clobbered on
shutdown with whatever random value we have in the system clock, we need
to be more tolerant of errors in time offsets.
If the user runs ntpd and doesn't drift too much then the RTC will be
sync'ed every 11 minutes by the kernel. If the drift is too high, or the
user does not run ntpd, then there will be no system clock to hwclock
sync as we simply don't have enough info to know we're correct.
This patch will avoid any fallout from this.
So I think it's likely still important to have in mga2.
Some more info:
<A HREF="http://article.gmane.org/gmane.comp.sysutils.systemd.devel/4943">http://article.gmane.org/gmane.comp.sysutils.systemd.devel/4943</A>
Col
--
Colin Guthrie
colin(at)mageia.org
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