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Re: fedora-list Digest, Vol 61, Issue 201



PGP Encryption:
    Do you all agree that we should start encrypting this digest using fedora-list redhat com as the public key and we all submit our keys to the respective maintainers of this list? What do you all think?

2009/3/29 <fedora-list-request redhat com>
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Today's Topics:

  1. Re: RAID1 /dev/md4 lost one disk partion /dev/sdb4 after
     reboot,   WHY?? (L)
  2. F9 gst and v4l2 problem (Fernando Apestegu?a)
  3. Re: Help to sort a multimedia system???  (still) (DB)
  4. Re: do these diagnostics tell me my MMC card is toast?
     (Robert P. J. Day)
  5. Re: Help to sort a multimedia system???  (still) (Tim)
  6. Sound pops (Kanwar Ranbir Sandhu)
  7. Re: odd bind problem (Mark Haney)
  8. Re: weather report applet dead again? (Robert Nichols)
  9. Re: Sound pops (Antti J. Huhtala)
 10. Fedora-10/KDE losing keyboard connection (Timothy Murphy)
 11. SELinux and named (Steven Stern)


---------- Forwarded message ----------
From: L <yuanlux gmail com>
To: Bruno Wolff III <bruno wolff to>
Date: Sun, 29 Mar 2009 20:31:53 +1100
Subject: Re: RAID1 /dev/md4 lost one disk partion /dev/sdb4 after reboot, WHY??
On Sun, Mar 29, 2009 at 5:18 PM, Bruno Wolff III <bruno wolff to> wrote:
> On Sun, Mar 29, 2009 at 10:00:07 +1100,
>  L <yuanlux gmail com> wrote:
>> Hi
>>
>> I have RAID1 system,  the partition /dev/md4 is in raid1 with
>> /dev/sda4 /dev/sdb4. In order to check /dev/sdb4 I remove it from
>> /dev/md4
>
> There are ways of checking disks without pulling them out of service.
> smartctl can do surface scans while leaving the disk functional.
>
>> The system did sync md4, this lasted ~ 6 hours. however, after reboot,
>> /proc/mdstat shows /dev/md4 has one disk /dev/sda4 active.
>
> 6 hours is a long time for a resync. Was the system under heavy load?
> Are an IO errors showing up in your logs?
>
>> How to let system hold both partitions /dev/sda4 and /dev/sdb4 for
>> /dev/md4 after reboot?
>
> From what you described it looked like you were correctly readding the
> disk and waiting for the sync to complete before rebooting.
>


The  md re-sync on /dev/md4 (/dev/sda4 /dev/sdb4) was completed, after
reboot, the partition /dev/sdb4 on /dev/md4 was missed again, as shown
from mdstat

Personalities : [linear] [raid1]
md4 : active raid1 sda4[0]
    484327552 blocks [2/1] [U_]

md1 : active raid1 sdb1[1] sda1[0]
    2939776 blocks [2/2] [UU]

 md2 : active raid1 sdb2[1] sda2[0]
    104320 blocks [2/2] [UU]

 md3 : active raid1 sdb3[1] sda3[0]
    987904 blocks [2/2] [UU]

 unused devices: <none>

 any suggestion??

thanks

Y




---------- Forwarded message ----------
From: "Fernando Apesteguía" <fernando apesteguia gmail com>
To: "Community assistance, encouragement, and advice for using Fedora." <fedora-list redhat com>
Date: Sun, 29 Mar 2009 13:43:13 +0200
Subject: F9 gst and v4l2 problem
Hi all,

I'm using Fedora 9 and I want to get my webcam to work.

This is my configuration (x86_64 system):

Webcam: Logitech QuickCam for Notebooks. It uses the zc3xx driver
(kernel 2.6.27.19-78.2.30.fc9.x86_64)
Cheese 2.22.3
Ekiga 2.0.12
GStreamer 0.10.20

The webcam works fine with Ekiga, v4l2 is selected in the Preferences tab.

It doesn't work however in cheese or others (skype).
cheese -v reports this when trying to record video from the webcam:

(cheese:4069): GStreamer-CRITICAL **: gst_value_set_fraction:
assertion `denominator != 0' failed
Detected webcam: USB Camera (046d:08dd)
device: /dev/video0

(cheese:4069): GStreamer-CRITICAL **: gst_element_set_state: assertion
`GST_IS_ELEMENT (element)' failed
(cheese:4069): GStreamer-CRITICAL **: gst_element_set_locked_state:
assertion `GST_IS_ELEMENT (element)' failed

I tried to use gstreamer-properties to figure out what is happening.
In the video tab, the output seems to be fine, the test runs OK.
However, when I try to run the test for my webcam (it is detected here
again) with v4l2, I get this:

gstreamer-properties-Message: Skipping unavailable plugin 'artsdsink'
gstreamer-properties-Message: Skipping unavailable plugin 'esdsink'
gstreamer-properties-Message: Skipping unavailable plugin 'v4lmjpegsrc'
gstreamer-properties-Message: Skipping unavailable plugin 'qcamsrc'
gstreamer-properties-Message: Skipping unavailable plugin 'esdmon'
gstreamer-properties-Message: Error running pipeline 'Video for Linux
2 (v4l2)': Could not negotiate format [gstbasesrc.c(2436):
gst_base_src_start (): /pipeline0/v4l2src3:
Check your filtered caps, if any]

and the program closes.

If I select v4l, I get a window full of green noise.

So I suppose this is some problem related with the v4l2 plugin for
gstreamer, but I don't know how to fix this. I've Googled it and I saw
people from other distributions having the same problem, but usually
an update fixed the problem. My Fedora system is up to date.

Any ideas?

Thanks in advance.




---------- Forwarded message ----------
From: DB <Freddog_de yahoo co uk>
To: For users of Fedora <fedora-list redhat com>
Date: Sun, 29 Mar 2009 13:13:09 +0200
Subject: Re: Help to sort a multimedia system??? (still)

Message: 7
Date: Sun, 29 Mar 2009 05:45:26 +0200
From: Kevin Kofler <kevin kofler chello at>
Subject: Re: Help to sort a multimedia system???  (still)
To: fedora-list redhat com
Message-ID: <gqmqsn$plp$1 ger gmane org>
Content-Type: text/plain; charset=us-ascii

DB wrote:
 
> $ rpm -qa phonon\*
> phonon-devel-4.3.1-2.fc10.i386
> phonon-backend-xine-4.3.1-2.fc10.i386
> phonon-4.3.1-2.fc10.i386
> phonon-backend-gstreamer-4.3.1-2.fc10.i386
   

Try rpm -e phonon-backend-gstreamer to see if that helps. It should be
picking up xine by default already, but it's best to be sure.
Unfortunately, Phonon's GStreamer backend is not as reliable as the
xine-lib one.

 
OK done that!
> At the moment, the audio_cd.device box contans /dev/cdrom. Is it
> possible to somehow list cdrom & cdrom1?
   

No, you'll have to change it when you want to use the other drive.

 
>> You need libdvdcss from Livna.
>>        
> Is this - or something like it - included in rpmfusion free or nonfree?
   

No. There have been long flamebaits over including libdvdcss in RPM Fusion
or not (due to legal issues). At the end it was decided to keep it in the
old Livna repository.

http://rpm.livna.org/

 
Thanks, done that!
> Thanks, Kevin. If I remember correctly, in some replies to other
> questions about sound devices, you wrote something about "Alsa being on
> top of PA" (or vice versa!)
   

Well, both are true to some extent.  :-)
ALSA applications
  |
  V
PulseAudio ALSA plugin (alsa-plugins-pulseaudio)
  |
  V
PulseAudio <-- Other applications, using other APIs (PulseAudio native, ESD)
  |
  V
ALSA hardware device

 
> Question 1 - which way is "front" & "back" ie nearer Hardware or nearer
> User?
   

Front = nearer to the user, back = nearer to the hardware.
 
OK<<< so "sink" = front & "source" = back (generally!)
 
> Question 2 - is there a way for naive users (like me!) to find out what
> sequence of modules/software/gizmos is actually involved in say, getting
> the noise from my CD/DVD/AC97 to the speakers?
   

See the basic diagram above. (The complete diagram is a bit more complex
than that though.)

 
And can I from a command line list the current connections?  I tried
# lsmod|grep snd
snd_intel8x0           30620  3
snd_ac97_codec         95268  1 snd_intel8x0
ac97_bus                5504  1 snd_ac97_codec
snd_seq_dummy           6660  0
snd_seq_oss            30364  0
snd_seq_midi_event      9600  1 snd_seq_oss
snd_seq                48576  5 snd_seq_dummy,snd_seq_oss,snd_seq_midi_event
snd_usb_audio          77696  0
snd_pcm_oss            42496  0
snd_mixer_oss          16896  1 snd_pcm_oss
snd_usb_lib            17536  1 snd_usb_audio
snd_rawmidi            22528  1 snd_usb_lib
snd_pcm                65924  4 snd_intel8x0,snd_ac97_codec,snd_usb_audio,snd_pcm_oss
snd_seq_device         10124  4 snd_seq_dummy,snd_seq_oss,snd_seq,snd_rawmidi
snd_timer              22024  2 snd_seq,snd_pcm
snd_hwdep              10500  1 snd_usb_audio
snd_page_alloc         11016  2 snd_intel8x0,snd_pcm
snd                    50616  20 snd_intel8x0,snd_ac97_codec,snd_seq_dummy,snd_seq_oss,snd_seq,snd_usb_audio,snd_pcm_oss,snd_mixer_oss,snd_usb_lib,snd_rawmidi,snd_pcm,snd_seq_device,snd_timer,snd_hwdep
soundcore               9416  1 snd

Sadly, man lsmod only tells me it produces a "nice layout", without telling me how to interpret the colums....    I assume the first number is its process id,the second one how many modules it either calls (the ones listed) or is called by -- and the ones with "0" in this place are not active/ends of chains????? -- and the lower the pid, the earlier the proces/module started?
 
> Question 5 - in the Skype example above, how can I find out what the 4
> SiS variants represent?
   

Different outputs of your sound card, most likely.

Normally you should let PulseAudio worry about where to output and set your
applications to output to PulseAudio.
 
Just tried selecting "default" for both & get "problems with audio capture" or "problems with audio playback"
Selecting "pulse" for both gives unintelligible sound
Selecting "si7012(hw:si7102:0) for both, works.
 The handbook may be outdated.

       Kevin Kofler
 
Again, many thanks Kevin!


The front end of something is the bit that's apparent to you (user
interface, etc.), the back-end is what goes on behind the scenes.

If you want analogies, think of "shop fronts."
 

Thanks Tim - nice analogy!




---------- Forwarded message ----------
From: "Robert P. J. Day" <rpjday crashcourse ca>
To: "Community assistance, encouragement, and advice for using Fedora." <fedora-list redhat com>
Date: Sun, 29 Mar 2009 09:23:21 -0400 (EDT)
Subject: Re: do these diagnostics tell me my MMC card is toast?
On Sat, 28 Mar 2009, max bianco wrote:

> On Sat, Mar 28, 2009 at 3:18 PM, Robert P. J. Day <rpjday crashcourse ca> wrote:
> >
> >  inserting a rocketfish 2g SD card into the reader in my fedora 9
> > laptop generates buckets of:
> >
> > Mar 28 15:16:50 localhost kernel: end_request: I/O error, dev mmcblk0, sector 8
> > Mar 28 15:16:50 localhost kernel: end_request: I/O error, dev mmcblk0, sector 16
> > Mar 28 15:16:50 localhost kernel: end_request: I/O error, dev mmcblk0, sector 24
> > Mar 28 15:16:50 localhost kernel: mmcblk0: error -110 transferring data
> > Mar 28 15:16:50 localhost kernel: end_request: I/O error, dev mmcblk0, sector 0
> > Mar 28 15:16:50 localhost kernel: mmcblk0: error -110 transferring data
> > Mar 28 15:16:50 localhost kernel: end_request: I/O error, dev mmcblk0, sector 0
> > Mar 28 15:16:50 localhost kernel: end_request: I/O error, dev mmcblk0, sector 8
> > Mar 28 15:16:50 localhost kernel: end_request: I/O error, dev mmcblk0, sector 16
> > Mar 28 15:16:50 localhost kernel: end_request: I/O error, dev mmcblk0, sector 24
> > Mar 28 15:16:50 localhost kernel: mmcblk0: error -110 transferring data
> > Mar 28 15:16:50 localhost kernel: end_request: I/O error, dev mmcblk0, sector 0
> > ... etc etc ...
> >
> >  should i just assume this card is toast and get another one?  or
> > might there be another reason for the above?
> >
> > rday
> > --
>
> I had a flash drive that I thought was toast, it gave intermittent
> errors when I tried to write to it which got progressively worse until
> one day I just couldn't write to it anymore. I let it collect dust for
> a week then decided on whim to format the thing and its been working
> fine ever since. No problems since, I never did figure out why it
> happened. In hindsight the only thing I can think of is maybe  that
> week there was a kernel update that fixed a bug or it might have been
> that I swapped it between nix and doze boxes a lot. Don't do that
> anymore but its all supposition since I don't have any facts. This as
> you may have guessed is just my long winded way of saying format it
> for giggles and see what happens.

 i reformatted the SD card several times, with totally random results
(inability to mount, then suddenly mountable, then not mountable,
etc.)  finally gave up on it, spent $12 on a new 2G card and it seems
to work fine.  i'm just going to assume that the card was borked.

rday
--
========================================================================
Robert P. J. Day
Linux Consulting, Training and Annoying Kernel Pedantry:
   Have classroom, will lecture.

http://crashcourse.ca                          Waterloo, Ontario, CANADA
========================================================================

---------- Forwarded message ----------
From: Tim <ignored_mailbox yahoo com au>
To: Freddog_de yahoo co uk, "Community assistance, encouragement, and advice for using Fedora." <fedora-list redhat com>
Date: Mon, 30 Mar 2009 00:15:21 +1030
Subject: Re: Help to sort a multimedia system??? (still)
On Sun, 2009-03-29 at 13:13 +0200, DB wrote:
> OK<<< so "sink" = front & "source" = back (generally!)

No, that's different things altogether.  Source is the source of
something, a sink is the opposite - where somethings output goes.  And
neither are to do with front-end and back-end.

Front-end and back-end are the apparent and unapparent parts of
something.  e.g. Take any program, the front-end is the user-interface
that you play with, the back-end is all the programming behind it.

Analogies are generally a bad idea, try to understand something
directly, rather than trying to inappropriately apply it to something
unrelated.  You might as well say email's like fish, and usenet is like
turtles, and then try to explain their correlation with concrete.

SANE (scanning software), its front-end is the bit you choose what to
scan, etc., the back-end is all the driving the computer does to use the
scanner.

CUPS (printing software), the front-end is the parts you see when you
want to control how to print something, or choose which printer, the
back-end is what *it* does to your information to make it work with
particular printers.

In audio, a source could be the digitised audio from a microphone, a
sink could be the input side of an effects generator.  Further down the
chain, that effects generator could be a sound source that would go to a
recorder, with the recorder being its sink.

While source is a good term to use in that case, as it's not an analogy
(a "sound source" is a proper description) I think using "sink" was a
bad case of putting an analogy into terminology, in the first place.  In
the real world, you put something in a sink and it goes down the drain,
never to be seen again (except by sewage processors).  It's not exactly
representative of how you might make *use* of something, it's a disposal
terminology.


--
[tim localhost ~]$ uname -r
2.6.27.19-78.2.30.fc9.i686

Don't send private replies to my address, the mailbox is ignored.  I
read messages from the public lists.






---------- Forwarded message ----------
From: Kanwar Ranbir Sandhu <m3freak thesandhufamily ca>
To: Fedora Users <fedora-list redhat com>
Date: Sun, 29 Mar 2009 09:55:30 -0400
Subject: Sound pops
Hi Everyone,

I have fully updated F10 system running on an Asus P5Q-E motherboard.
Yesterday while listening to some mp3s, I heard snaps, pops, and
crackles (rice krispies are tasty!).  At first I thought it was maybe a
poorly encoded mp3, but listening to many other mp3s didn't remove the
issue.

Has anyone else experienced this recently?  I remember reading here
quite a while ago about similar issues. I believe at that time it was a
problem with pulseaudio.  Maybe the bug is back.  :: shrugs ::

Any input would be appreciated!

Regards,

Ranbir

--
Kanwar Ranbir Sandhu
Linux 2.6.27.19-170.2.35.fc10.x86_64 x86_64 GNU/Linux
09:51:11 up 3 days, 13:01, 2 users, load average: 1.00, 1.25, 1.09





---------- Forwarded message ----------
From: "Mark Haney" <mhaney ercbroadband org>
To: "Community assistance, encouragement, and advice for using Fedora." <fedora-list redhat com>
Date: Sun, 29 Mar 2009 10:06:26 -0400
Subject: Re: odd bind problem
Tim wrote:
> On Fri, 2009-03-27 at 14:16 -0400, Mark Haney wrote:
>> I've got a newly installed F10 box that is running BIND as a slave.
>> I've been seeing something really odd, though.  About every 6 or 7
>> days DNS recursion fails.  There are no real error messages, but
>> suddenly I can query any record we are SOA for (we host a couple dozen
>> zones for customers) but we can't query, say www.google.com from that
>> server.  We get a SERVFAIL.
>
> Are you using NetworkManager?  (A really bad idea for a server.)  And
> has an interface gone off-line and back on again?
>

Oh no.  I kill NM the minute I get a chance.  (I have plenty of other
posts ranting about the crappiness that is NM).  But suffice ti to say
that NM goes to /dev/null the first chance I get.



--
Frustra laborant quotquot se calculationibus fatigant pro inventione
quadraturae circuli

Mark Haney
Sr. Systems Administrator
ERC Broadband
(828) 350-2415

Call (866) ERC-7110 for after hours support




---------- Forwarded message ----------
From: Robert Nichols <rnicholsNOSPAM comcast net>
To: fedora-list redhat com
Date: Sun, 29 Mar 2009 09:16:11 -0500
Subject: Re: weather report applet dead again?
jamesh0317 wrote:
I am having the same problem as you Bob. I am using the same version of the gweather-applet.
A simple, if inelegant, workaround until the problem is fixed by the developers/maintainers is to execute "killall gnome-panel" in a terminal after the wireless network connection is made.

I also have the same problem with the clock weather applet. I check the box in preferences to "show weather" and "show temperature" but it never shows.

I renamed /usr/libexec/gweather-applet-2 to gweather-applet-2.x and
installed this little script as gweather-applet-2:

   #!/bin/bash
   delay=10
   until /sbin/route -n | grep -q '^0\.0\.0\.0'; do
       sleep $delay
       [ $delay -lt 60 ] && delay=$(($delay+10))
   done
   exec /usr/libexec/gweather-applet-2.x "$@"

The next update of gnome-applets will overwrite my script with what is
hopefully a fixed executable again.

--
Bob Nichols     "NOSPAM" is really part of my email address.
               Do NOT delete it.




---------- Forwarded message ----------
From: "Antti J. Huhtala" <ahuhtal4 welho com>
To: "Community assistance, encouragement, and advice for using Fedora." <fedora-list redhat com>
Date: Sun, 29 Mar 2009 17:50:38 +0300
Subject: Re: Sound pops
su, 2009-03-29 kello 09:55 -0400, Kanwar Ranbir Sandhu kirjoitti:
> Hi Everyone,
>
> I have fully updated F10 system running on an Asus P5Q-E motherboard.
> Yesterday while listening to some mp3s, I heard snaps, pops, and
> crackles (rice krispies are tasty!).  At first I thought it was maybe a
> poorly encoded mp3, but listening to many other mp3s didn't remove the
> issue.
>
> Has anyone else experienced this recently?
Unfortunately, yes, though not necessarily with mp3 files only. My F10
system also suffers from "snap, crackle and pop" syndrome with all audio
reproduction. My MB is an ASUS K8N, and pulseaudio is working perfectly
with my F9 system using the same hardware.
>  I remember reading here
> quite a while ago about similar issues. I believe at that time it was a
> problem with pulseaudio.  Maybe the bug is back.  :: shrugs ::
I sincerely don't know where the blame really lies but there are several
remedies already offered. One is removing alsa-plugins-pulseaudio, the
other is editing /etc/pulse/default.pa
(http://forums.fedoraforum.org/showthread.php?t=206868 ), and the third
was published just yesterday on this list by Francois Patte under the
title of "Re: sound on fedora 10[SOLVED(?)]".
I haven't tried any of these yet but I'm somewhat perplexed by the fact
that now that F10 has been available for 4 months, the problems with
audio are still there. Isn't anybody writing bug reports any longer? I
would have, but I've just had F10 installed a couple of weeks.
>
> Any input would be appreciated!
>
> Regards,
>
> Ranbir
>
BR, Antti






---------- Forwarded message ----------
From: Timothy Murphy <gayleard eircom net>
To: fedora-list redhat com
Date: Sun, 29 Mar 2009 16:28:04 +0100
Subject: Fedora-10/KDE losing keyboard connection
I notice that my Thinkpad T43 has started getting
into a rather strange state every other day, or thereabouts,
where pressing keys seems to have no effect (even Ctrl-Alt-Del),
although the mouse still moves the cursor.

I was surprised to find the other day
that I could still contact the laptop from another machine,
and could even ssh into it, and re-boot it remotely.
(I should have looked to see what was going on, but forgot.)

I wonder if this is a common phenomenon,
and if so if there is any simple way of getting the machine
out of this state?
(I suspect it may have something to do with suspend-to-RAM,
which started working brilliantly a month or so ago,
I think more or less when this phenomenon started.)


--
Timothy Murphy
e-mail: gayleard /at/ eircom.net
tel: +353-86-2336090, +353-1-2842366
s-mail: School of Mathematics, Trinity College, Dublin 2, Ireland





---------- Forwarded message ----------
From: Steven Stern <subscribed-lists sterndata com>
To: For users of Fedora Core releases <fedora-list redhat com>
Date: Sun, 29 Mar 2009 10:29:40 -0500
Subject: SELinux and named
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

Running named in a chroot, I've been getting these messages for about a
week. Running restorecon, as suggested by the troubleshooter, doesn't help.

Mar 26 05:08:55 sds-desk setroubleshoot: SELinux is preventing logrotate
(logrotate_t) "getattr" to /var/named/data/named.run (named_cache_t).
For complete SELinux messages. run sealert -l
d0d5bc39-fa99-4238-be5c-480a54ed38ae
Mar 27 05:08:55 sds-desk setroubleshoot: SELinux is preventing logrotate
(logrotate_t) "getattr" to /var/named/data/named.run (named_cache_t).
For complete SELinux messages. run sealert -l
d0d5bc39-fa99-4238-be5c-480a54ed38ae
Mar 28 05:08:53 sds-desk setroubleshoot: SELinux is preventing logrotate
(logrotate_t) "getattr" to /var/named/data/named.run (named_cache_t).
For complete SELinux messages. run sealert -l
d0d5bc39-fa99-4238-be5c-480a54ed38ae
Mar 29 05:08:54 sds-desk setroubleshoot: SELinux is preventing logrotate
(logrotate_t) "getattr" to /var/named/data/named.run (named_cache_t).
For complete SELinux messages. run sealert -l
d0d5bc39-fa99-4238-be5c-480a54ed38ae

- --

 Steve
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Comment: Using GnuPG with Fedora - http://enigmail.mozdev.org

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"Genius is one percent inspiration and 99 percent perspiration"
--- Thomas Alva Edison.

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