Xmms Won"t Open

Hi,

slackware 10.1 kernel 2.4.29

After I upgraded to dropline 2.10.0 from 2.8.3, xmms 1.2.10 will not open.
The error I get is:

~:$ xmms
unable to open port `/dev/ttyS1' (Permission denied)
unable to open port `/dev/ttyS1' (Permission denied)
*** glibc detected *** free(): invalid pointer: 0x4078bc79 ***
Aborted

As su I get only the last line of the error about glibc

Dropline is the gnome version for slack.

How to resolve?

Thanks & regards
--
Peter

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Re: Xmms Won"t Open

At 05:58 PM 4/10/2005 +0800, Peter H. wrote:
>Hi,
>
>slackware 10.1 kernel 2.4.29
>
>After I upgraded to dropline 2.10.0 from 2.8.3, xmms 1.2.10 will not open.
>The error I get is:
>
>~:$ xmms
>unable to open port `/dev/ttyS1' (Permission denied)
>unable to open port `/dev/ttyS1' (Permission denied)
>*** glibc detected *** free(): invalid pointer: 0x4078bc79 ***
>Aborted
>
>As su I get only the last line of the error about glibc
>
>Dropline is the gnome version for slack.
>
>How to resolve?

Am I correct in assuming that the call to xmms is from an xterm (not a
console)?

I can't think of why a non-customized xmms startup might want to open a
serial port ... something to do with lirc, perhaps? or displaying
information to a LCD panel connected to a serial port? I'm really groping
here... but that problem is surely just permissions for the non-root user.
Check permissions with "ls -l /dev/ttyS1" and, probably, add the userid
involved to the device's group. For example, on a stock Debian system, this
command reports:

crw-rw---- 1 root dialout 4, 65 Mar 14 2002 /dev/ttyS1

So adding the userid to dialout (in /etc/group) would eliminate this error.

The other one is, probably, a bigger deal, suggesting a libc6
mismatch.Since dropline is a Slackware-specific customization of Gnome, it
(naturally) isn't in the Debian packaging system, so I don't know the
details of its dependencies (and I suspect the list on the Dropline Home
Page is incomplete)... but I wonder if your install of it caused an update
to libc6 (aka glibc), or some other change to the symlinks that involve
libc6. Check the timestamps on whatever /lib/libc.so.6 is a symlink to, and
on the symlink itself to see, if this happened. If it did, you may need to
update xmms (I show the current Debian-Sid version as 1.2.10-2, requiring
libc6 (>= 2.3.2.ds1-4), but these extraversion numbers tend to be VERY
distro-specific, so you need to see what Slackware is actually doing here)
to use a newer libc6. Or, depending on the details, you may need to fix the
symlink. Or ... well, it depends on what you find, I suppose.

The Changelog for Dropline does include this line, Dated April 07 --

Updated to glib2-2.6.4-i686-1dl.tgz

-- which raises the possibility that this change in turn forced soe change
to glibc (which is different from glib2, BTW, so don't get mixed up by the
similarity of names).

(I ran into a similar problem recently involving a more specialized
library. A Debian upgrade modified its symlinks, and because I had an old
version of the library on the system, in addition to the current version,
it made the symlink to the wrong version. Easy to fix once I tracked it
down, but puzzling until I found the almost-duplicate library.)

Finally, take a look at the first "known issue" on this page:

http://www.dropline.net/gnome/support.php

Since I don't know the details of how you installed the prior version of
Dropline, I don't know if it affected your install of xmms. But you'll want
to think about whether this is relevant to your circumstances.

If you post again on this, please include:

complete output of "ldd /usr/bin/xmms"
complete output of "ls -l /lib/libc6*"

(modified appropriately if I've guessed wrong about where Slackware puts xmms).


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Re: Xmms Won"t Open

Thanks Ray!

I solved the problem par force. Uninstalled dropline 2.10 and reinstalled the
2.8.3 version and all is back to normal working. I decided to do this after I
found that firefox crashes when a link is clicked.

The 2.8.3 version I have on a CD whereas to the 2.10 version I upgraded by
downloading from the Internet. May be that might cause some kinks.

I posted the problem in the dropline forum as you suggested.

Regards
--
Peter


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