[uml-devel] [inkblot@movealong.org: Bug#224215: incorrect /proc timestamp]

[uml-devel] [inkblot@movealong.org: Bug#224215: incorrect /proc timestamp]

[Matt Zimmerman]

----- Forwarded message from Nate Riffe <inkblot@movealong.org> -----

Date: Tue, 16 Dec 2003 19:17:10 -0600
From: Nate Riffe <inkblot@movealong.org>
Resent-From: Nate Riffe <inkblot@movealong.org>
To: submit@bugs.debian.org
Subject: Bug#224215: incorrect /proc timestamp

Package: user-mode-linux

The timestamp of /proc after mounting the proc filesystem is fixed at
Jan 1, 1970 (likely initialized to 0 in Unix time and then never set).
This causes problems for some distributions running as UML systems
using the user-mode-linux kernel, including Debian, which relies on the
timestamp of /proc to clear out the contents of /var/run and
/var/lock.  Comments in the "bootmisc.sh" initscript indicate that the
/proc timestamp is normally the time at which /proc is mounted.

I have also seen this issue with every other UML kernel to which I
have access, and so I believe it is probably an upstream bug.

-- 
--< ((\))< >----< inkblot@movealong.org >----< http://www.movealong.org/ >--
pub  1024D/05A058E0 2002-03-07 Nate Riffe (06-Mar-2002) <inkblot@movealong.org>
     Key fingerprint = 0DAC F5CB D182 3165 D757  C466 CD42 12A8 05A0 58E0

----- End forwarded message -----

-- 
 - mdz


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Re: [uml-devel] [inkblot@movealong.org: Bug#224215: incorrect /proc timestamp]

[Jeff Dike]

mdz@debian.org said:
> The timestamp of /proc after mounting the proc filesystem is fixed at
> Jan 1, 1970 (likely initialized to 0 in Unix time and then never set).

This will be fixed in the next patch.  The problem was that no timer interrupts
had fired by the time /proc was first mounted, so xtime, which is used to
initialize the /proc inode times, was still 0.

				Jeff




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[uml-devel] uml-patch-2.6.3-rc2-1, RTC, CPU > 2.1 Ghz

[Christopher S. Aker]

Jeff,

Looking at uml-patch-2.6.3-rc2-1, I noticed it needs the RTC fix (mhz to unsigned
long long) for CPUs > 2.1Ghz   This is just a friendly reminder to make sure that
change makes it into your 2.6 tree (looks good on 2.4)..

Thanks,
-Chris



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[uml-devel] Re: uml-patch-2.6.3-rc2-1, RTC, CPU > 2.1 Ghz

[Jeff Dike]

On Fri, Feb 13, 2004 at 07:52:20PM -0600, Christopher S. Aker wrote:
> Looking at uml-patch-2.6.3-rc2-1, I noticed it needs the RTC fix (mhz to unsigned
> long long) for CPUs > 2.1Ghz   This is just a friendly reminder to make sure that
> change makes it into your 2.6 tree (looks good on 2.4)..

Right.  Generic fixes (2.4 and 2.6) usually start off in my 2.4 tree, then
get migrated into my 2.6 tree when I get around to it.

				Jeff


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