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

[Andrew Lutomirski]

On Thu, Apr 30, 2015 at 5:11 PM, Adam Williamson
<adamwill at fedoraproject.org> wrote:
> On Thu, 2015-04-30 at 19:45 -0400, Felix Miata wrote:
>> Adam Williamson composed on 2015-04-30 16:37 (UTC-0700):
>>
>> > I'd prefer objective analysis over anecdata. poettering's
>> > contention
>> > is :
>>
>> > i) there is only a problem if you have time-based fsck enabled
>> > ii) this is not the default
>>
>> > your anecdote does not provide enough information to prove or
>> > disprove
>> > his contention.
>>
>> He never mentioned what time-based fsck is that I saw,
>
> "What doesn't work is rtc-in-local in early-boot, that's all. And that
> doesn't matter really, except if you are crazy enough to manually
> enable time-based fsck in ext234, which has been turned off by default
> in fedora since time begain, and even has been turned off upstream
> now, because it's simply a crazy feature." - Lennart, yesterday:
> https://lists.fedoraproject.org/pipermail/devel/2015-April/210282.html

$ sudo tune2fs -l [my ext4 root device]
...
Mount count:              7
Maximum mount count:      21
Last checked:             Mon Apr  6 10:42:37 2015
Check interval:           15552000 (6 months)
Next check after:         Sat Oct  3 10:42:37 2015
...

This filesystem has survived several Fedora upgrades, but I'm pretty
sure I created it with mke2fs on some Fedora version.  This suggests
that time-based fsck is or was default-enabled at some point.

--Andy