Paul,

You may wish to take a specific Debian issue up with a Debian list --
perhaps reply to those very links you have sent us. If people have not
responded here, they may not be able to do so, or have no interest to
do so.

Jeff



On Wed, Jan 14, 2015 at 7:36 PM, paul g <pj.world at hotmail.com> wrote:
> Hello, I am wondering if you have had anytime to look at the CD/DVD mount
> issue with the newer 3.2.etc debian kernel as of lately? I have posted in
> some other places and have gotten none or limited response perhaps it is not
> a large or important bug.
>
> I think it's to bad after upgrading the system to kernel 3.13.etc there is
> no longer ease of use to utilize the CD/DVD drive on any debian based
> computer using the newer kernel.
>
> Debian bug report #72978 post #50 did not seem to help at all. After reboot
> and a new DVD is inserted system is again not able to read/load the disk
> properly. links are below
> https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=725978
> https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=753379
> http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=725978
>
> Below is the /etc/rc.local file as edited on a debian based system I have
> running the 3.13.0-24-generic kernel <--which I have tried this enables
> kernel polling. It seems to work on the system temporarily but fails to read
> after the same disk is mounted a couple times.
>
> #!/bin/sh -e
> #
> # rc.local
> #
> # This script is executed at the end of each multiuser runlevel.
> # Make sure that the script will "exit 0" on success or any other
> # value on error.
> #
> # In order to enable or disable this script just change the execution
> # bits.
> #
> # By default this script does nothing.
> echo 2000 > /sys/module/block/parameters/events_dfl_poll_msecs
> exit 0
>
> It does work temporarily but upon a couple power cycles it fail's again.
> Besides even with the above line added the CD/DVD drive acts like it's
> reading the media differently 'takes longer to read' than prior with the
> 2.16.etc debian kernel.
>
> I got your response back as you would consider this to be a small bug
> already in a prior post.
>
> 1. I wanted to reiterate that this is how you consider this situation to be
> small bug?
>
> 2. Should I be looking at something as far as Udev is concerned also?
>
> 3. Why after kernel polling is enabled in /etc/rc.local and a couple power
> cycles it fails to read the disk again?
>
> Your thoughts and time are appreciated.
>
> Thank you,
>
>> Date: Tue, 30 Dec 2014 21:32:35 +0100
>> From: andrew at lunn.ch
>> To: tclug-list at mn-linux.org
>> Subject: Re: [tclug-list] Manjero or Mint?
>>
>> On Tue, Dec 30, 2014 at 01:44:42PM -0600, paul g wrote:
>> > Greg the situation is with the newer Debian 3.13.0-24-generic
>> > kernel. There is just this 'HUGE' bug with the dvd/cd mount.
>>
>> HUGE bugs generally got stomped on quickly. HUGE is also somewhat a
>> personal opinion. dvd/cd are going the way of the Dodo anyway, so who
>> really cares? I cannot remember the last time i put a data CD/DVD in
>> my driver. Current Debian does seem to do the right thing with Audio
>> CDs, i used that a few times recently.
>>
>> Going back to the originally question, no distro is perfect. Each has
>> there own issues. What is a HUGE issue for somebody might not even be
>> noticed by others. It is often a case of pick your poison and give it
>> a go.
>>
>> I've used Debian for donkeys years. I've been happy with it, but i'm a
>> full on Computer Scientist, so user friendly clicky bunty is lower
>> down my feature list than give my the power of a command line. That is
>> not to say Debian does not do clicky bunty...
>>
>> Andrew
>> _______________________________________________
>> TCLUG Mailing List - Minneapolis/St. Paul, Minnesota
>> tclug-list at mn-linux.org
>> http://mailman.mn-linux.org/mailman/listinfo/tclug-list
>
> _______________________________________________
> TCLUG Mailing List - Minneapolis/St. Paul, Minnesota
> tclug-list at mn-linux.org
> http://mailman.mn-linux.org/mailman/listinfo/tclug-list
>



-- 
Jeff Chapin
President, CedarLug, retired
President, UNIPC, "I'll get around to it"
President, UNI Scuba Club
Senator, NISG, retired