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Bug#256748: marked as done (kernel-image-2.6.6-1-k7: sysfs files change size)

Your message dated Thu, 24 Aug 2006 22:39:21 -0400
with message-id <20060825023921.GA20815@doctormoo.dyndns.org>
and subject line Appears to be fixed in 2.6.15
has caused the attached Bug report to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what I am
talking about this indicates a serious mail system misconfiguration
somewhere.  Please contact me immediately.)

Debian bug tracking system administrator
(administrator, Debian Bugs database)
--- Begin Message --- 
Content-Type: text/plain; charset="us-ascii"
MIME-Version: 1.0
Content-Transfer-Encoding: 7bit
From: "Ph. Marek" <philipp@marek.priv.at>
To: Debian Bug Tracking System <submit@bugs.debian.org>
X-Reportbug-Version: 2.61
X-Debbugs-Cc: philipp@marek.priv.at
Package: kernel-image-2.6.6-1-k7
Version: 2.6.6-1
Severity: minor
Tags: sid


As described in 
	http://www.uwsg.iu.edu/hypermail/linux/kernel/0307.2/0166.html
files in /sys change their size if they are written to.

But what disturbs me a little bit is this:

	$ ls -la /sys/block/hdb/queue/iosched/est_time
	-r--r--r--    1 root     root         4096 2004-06-28 20:15 est_time
	$ echo 0 > /sys/block/hdb/queue/iosched/est_time
	bash: est_time: Permission denied
	$ ls -la /sys/block/hdb/queue/iosched/est_time
	-r--r--r--    1 root     root            0 2004-06-28 20:15 est_time

ie. files change their size even if they are not writeable!

I believe that this should be cleaned up.

As bugzilla.kernel.org says "no distribution kernels" I'm posting to debian-bugs first.



-- System Information:
Debian Release: testing/unstable
  APT prefers testing
  APT policy: (850, 'testing'), (600, 'unstable')
Architecture: i386 (i686)
Kernel: Linux 2.6.6-1-k7
Locale: LANG=de_AT, LC_CTYPE=de_AT

Versions of packages kernel-image-2.6.6-1-k7 depends on:
ii  coreutils [fileutils]        5.0.91-2    The GNU core utilities
ii  fileutils                    5.0.91-2    The GNU file management utilities 
ii  initrd-tools                 0.1.70      tools to create initrd image for p
ii  module-init-tools            3.0-pre10-4 tools for managing Linux kernel mo

-- no debconf information

--- End Message ---
--- Begin Message --- 
I just tried this with linux-2.6.15, and the file does *not* change size.
So I'm figuring the bug is fixed, and closing it.

If you can reproduce the bug with a modern kernel, please reopen.

-- 
Nathanael Nerode  <neroden@fastmail.fm>

"It's just a goddamned piece of paper."
-- President Bush, referring to the US Constitution
http://www.capitolhillblue.com/artman/publish/article_7779.shtml

--- End Message ---
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