Re: [Bug 1201978] dracut assumes BIOS time is UTC closed without fixing again

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On Sat, 02.05.15 18:03, Zbigniew Jędrzejewski-Szmek (zbyszek@xxxxxxxxx) wrote:

> On Tue, Apr 28, 2015 at 02:21:48PM +0200, Ahmad Samir wrote:
> > On 28 April 2015 at 13:40, Kamil Paral <kparal@xxxxxxxxxx> wrote:
> > 
> > > > On Sun, Apr 26, 2015 at 11:47:18PM -0600, Chris Murphy wrote:
> > > > > Time in UTC is just as absurd and arbitrary as time in a local
> > > > > timezone,
> > > > No, it's not. This has been written about many times, but in short:
> > > > - the information about the timezone used is not stored in RTC,
> > > >   so all users of RTC need to be configured to use the same timezone
> > > >   externally
> > >
> > > It surprises me that we see these issues even with UEFI, which seems to
> > > include support for timezone and DST information [1]. I can confirm this
> > > myself, I have UEFI with Fedora 21 and Win7 at home, and I noticed that
> > > there seems to be a fsck running on every Fedora boot. I haven't had time
> > > to debug it properly yet, but it doesn't seem to work properly out of the
> > > box. Moreover, if I look into `journalctl -b`, I see time shifted during
> > > the boot process (which kind of messes up the history whenever I search in
> > > it). I haven't reported any bug yet, but there's certainly something not
> > > working out of the box there.
> > >
> > >
> > This is the bug that started this thread:
> > https://bugzilla.redhat.com/show_bug.cgi?id=1201978
> This not the right bug.
> 
> The problem is a combination of two bugs:
> https://bugzilla.redhat.com/show_bug.cgi?id=1202024 is about fsck.ext4
> running full check when the date was off by less then 24h. I is now
> changed to only print a warning. Eric Sandeen mentioned this commit
> in the other part of the thread, and made an update with that patch
> which is now in updates-testing.
> 
> https://bugzilla.redhat.com/show_bug.cgi?id=1201979 is about systemd
> being stupid and rerunning root fsck, which sometimes triggered the
> first issue. I just posted a patch upstream:
> http://lists.freedesktop.org/archives/systemd-devel/2015-May/031445.html

Well, note that this one is triggered if the system boots up with
read-only root, which is not how Fedora sets things up by default...

Lennart

-- 
Lennart Poettering, Red Hat
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