Re:

Re:

[Chuck Gelm]

Dear Sir or Madam:

IMHO,
 It is inappropriate to post questions about development
kernels to a 'newbie' list.

HTH, Chuck

Eng Se-Hsieng wrote:
> 
> Dear all,
> 
> Is iproute2 necessary for IPv6 to work properly on 2.5.59 kernel?
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Re:

[Juan Facundo Suárez]

HI, sorry, but, i see that there are too many difference between both. The first one,
is using alsa drivers for sound, with oss emulation for those applications that
doesn't support alsa. The second one, uses oss (open sound system). I don't know
which the problem is, but, you can start with it
----- Original Message -----
From: <heisspf@skyinet.net>
To: <linux-newbie@vger.kernel.org>
Sent: Thursday, February 05, 2004 4:03 AM


| --------
| Hi,
| Resent-Date: Thu, 5 Feb 2004 15:11:34 +0800
| Resent-From: Peter <heisspf@skyinet.net>
| Subject: Bad Sound in Slackware
| Resent-Message-Id: <20040205151134.416d3286@skyinet.net>
| Resent-To: linux-newbie@vger.kernel.org
|
| In Slackware 9.1 I have a very annoying distorted sound which I am unable to
| correct.
|
| My RH9.0 and SW9.1 have the same kernel and the same settings in sound. Both
| have the same /etc/module.conf.
|
| SW lsmod gives:
|
| Module                  Size  Used by    Not tainted
| snd-pcm-oss            37252   0  (unused)
| snd-mixer-oss          11992   0  [snd-pcm-oss]
| uhci                   24496   0  (unused)
| ehci-hcd               16872   0  (unused)
| usbcore                58400   1  [uhci ehci-hcd]
| snd-via82xx            11712   0
| snd-pcm                55904   0  [snd-pcm-oss snd-via82xx]
| snd-timer              13252   0  [snd-pcm]
| snd-ac97-codec         37240   0  [snd-via82xx]
| snd-page-alloc          6004   0  [snd-via82xx snd-pcm]
| snd-mpu401-uart         3136   0  [snd-via82xx]
| snd-rawmidi            12512   0  [snd-mpu401-uart]
| snd-seq-device          3920   0  [snd-rawmidi]
| snd                    27460   0  [snd-pcm-oss snd-mixer-oss snd-via82xx
| snd-pcm snd-timer snd-ac97-codec snd-mpu401-uart snd-rawmidi snd-seq-device]
| soundcore               3332   4  [snd]
| pcmcia_core            40032   0
| ide-scsi                9424   0
| agpgart                39576   0  (unused)
|
| RH lsmod gives:
|
| Module                  Size  Used by    Not tainted
| via82cxxx_audio        22136   0 (autoclean)
| ac97_codec             15464   0 (autoclean) [via82cxxx_audio]
| soundcore               5604   2 (autoclean) [via82cxxx_audio]
| parport_pc             17732   1 (autoclean)
| lp                      8128   0 (autoclean)
| parport                32064   1 (autoclean) [parport_pc lp]
| apm                    12264   2
| irlan                  24276   0 (unused)
| irda                  107568   0 [irlan]
| ipchains               48784  13
| keybdev                 2784   0 (unused)
| mousedev                5396   0 (unused)
| hid                    23972   0 (unused)
| input                   5184   0 [keybdev mousedev hid]
| ehci-hcd               19272   0 (unused)
| usbcore                71488   1 [hid ehci-hcd]
|
|
| What could be the reason for the distorted sound in SW and how could it be
| corrected.
|
| Thanks & regards
|
| --
| Peter
|
|
|
|
| -
| To unsubscribe from this list: send the line "unsubscribe linux-newbie" in
| the body of a message to majordomo@vger.kernel.org
| More majordomo info at  http://vger.kernel.org/majordomo-info.html
| Please read the FAQ at http://www.linux-learn.org/faqs
|

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Re:

[joy]

I have encountered people with the same problem. AFAIK, SW9.1 has some 
problems with Alsa being used as the driver( maybe a kernel problem, I 
don't know)
if you are using mpg321 as the player use the option
 mpg321 -o oss
This worked for a friend.
So ,I figure all you have to do is change the ddefault drivers to oss or 
upgrade your kernel
Joy.

>----- Original Message -----
>From: <heisspf@skyinet.net>
>To: <linux-newbie@vger.kernel.org>
>Sent: Thursday, February 05, 2004 4:03 AM
>
>
>| --------
>| Hi,
>| Resent-Date: Thu, 5 Feb 2004 15:11:34 +0800
>| Resent-From: Peter <heisspf@skyinet.net>
>| Subject: Bad Sound in Slackware
>| Resent-Message-Id: <20040205151134.416d3286@skyinet.net>
>| Resent-To: linux-newbie@vger.kernel.org
>|
>| In Slackware 9.1 I have a very annoying distorted sound which I am unable to
>| correct.
>|
>| My RH9.0 and SW9.1 have the same kernel and the same settings in sound. Both
>| have the same /etc/module.conf.
>|
>| SW lsmod gives:
>|
>| Module                  Size  Used by    Not tainted
>| snd-pcm-oss            37252   0  (unused)
>| snd-mixer-oss          11992   0  [snd-pcm-oss]
>| uhci                   24496   0  (unused)
>| ehci-hcd               16872   0  (unused)
>| usbcore                58400   1  [uhci ehci-hcd]
>| snd-via82xx            11712   0
>| snd-pcm                55904   0  [snd-pcm-oss snd-via82xx]
>| snd-timer              13252   0  [snd-pcm]
>| snd-ac97-codec         37240   0  [snd-via82xx]
>| snd-page-alloc          6004   0  [snd-via82xx snd-pcm]
>| snd-mpu401-uart         3136   0  [snd-via82xx]
>| snd-rawmidi            12512   0  [snd-mpu401-uart]
>| snd-seq-device          3920   0  [snd-rawmidi]
>| snd                    27460   0  [snd-pcm-oss snd-mixer-oss snd-via82xx
>| snd-pcm snd-timer snd-ac97-codec snd-mpu401-uart snd-rawmidi snd-seq-device]
>| soundcore               3332   4  [snd]
>| pcmcia_core            40032   0
>| ide-scsi                9424   0
>| agpgart                39576   0  (unused)
>|
>| RH lsmod gives:
>|
>| Module                  Size  Used by    Not tainted
>| via82cxxx_audio        22136   0 (autoclean)
>| ac97_codec             15464   0 (autoclean) [via82cxxx_audio]
>| soundcore               5604   2 (autoclean) [via82cxxx_audio]
>| parport_pc             17732   1 (autoclean)
>| lp                      8128   0 (autoclean)
>| parport                32064   1 (autoclean) [parport_pc lp]
>| apm                    12264   2
>| irlan                  24276   0 (unused)
>| irda                  107568   0 [irlan]
>| ipchains               48784  13
>| keybdev                 2784   0 (unused)
>| mousedev                5396   0 (unused)
>| hid                    23972   0 (unused)
>| input                   5184   0 [keybdev mousedev hid]
>| ehci-hcd               19272   0 (unused)
>| usbcore                71488   1 [hid ehci-hcd]
>|
>|
>| What could be the reason for the distorted sound in SW and how could it be
>| corrected.
>|
>| Thanks & regards
>|
>| --
>| Peter
>|
>|
>|
>|
>| -
>| To unsubscribe from this list: send the line "unsubscribe linux-newbie" in
>| the body of a message to majordomo@vger.kernel.org
>| More majordomo info at  http://vger.kernel.org/majordomo-info.html
>| Please read the FAQ at http://www.linux-learn.org/faqs
>|
>
>-
>To unsubscribe from this list: send the line "unsubscribe linux-newbie" in
>the body of a message to majordomo@vger.kernel.org
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>Please read the FAQ at http://www.linux-learn.org/faqs
>
>  
>



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(unknown)

[Alexei Babich]

Hi all,
How I can disable printk() output bufferization ? I need that printk() prints symbol-by-symbol or line-by-line.

Thank you.
-- 
Regards,
Alexei Babich, chematic engineer, OOO NPP "Rezonans", Chelyabinsk, Russia
http://www.rez.ru
Jabber ID: impatt@jabber.ru
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Re:

[Peter Teoh]

On Mon, May 19, 2008 at 6:57 PM, Alexei Babich <a.babich@rez.ru> wrote:
> Hi all,
> How I can disable printk() output bufferization ? I need that printk() prints symbol-by-symbol or line-by-line.
>

Check this out - since it has similar embedded requirements like yours
(what is a chematic engineer?):

http://tree.celinuxforum.org/pipermail/celinux-dev/2006-July/001261.html

Read the comments part of kernel/printk.c - printk() is an amazing
function, because it can be called in ANY CONTEXT.....which also means
that it cannot sleep.   But since u know many I/O function involved
some form of waiting, therefore printk() necessarily HAVE TO WRITE TO
A BUFFER, and it only write to the screen/console whenever it is
allowed to sleep (which involved holding a  console semaphore).

In short, printk() sometimes will output to screen directly, esp when
u are not in the interrupt context.   Otherwise it may just buffer for
later delivery.

> Thank you.
> --
> Regards,
> Alexei Babich, chematic engineer, OOO NPP "Rezonans", Chelyabinsk, Russia
> http://www.rez.ru
> Jabber ID: impatt@jabber.ru
> --


-- 
Regards,
Peter Teoh
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Re:

[Alexei Babich]

> Check this out - since it has similar embedded requirements like yours
> (what is a chematic engineer?):
I ment circuit, not schematic, and that's a misprint in addition :)

> http://tree.celinuxforum.org/pipermail/celinux-dev/2006-July/001261.html
Thank you for link.

> 
> Read the comments part of kernel/printk.c - printk() is an amazing
> function, because it can be called in ANY CONTEXT.....which also means
> that it cannot sleep.   But since u know many I/O function involved
> some form of waiting, therefore printk() necessarily HAVE TO WRITE TO
> A BUFFER,
OK, I need decrease buffer depth.
Thank you.

-- 
Regards,
Alexei Babich, circuit engineer, OOO NPP "Rezonans", Chelyabinsk, Russia
http://www.rez.ru
Jabber ID: impatt@jabber.ru
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how to find when a symbol introduced into the kernel

[Zhaohui Wang]

Hi all

To write multiple kernel version compatible programs, I need to know when a specific symbol (a struct or a function)were introduced in to the kernel tree

Binary search against multiple kernel sources is a way,but is still slow.Is there any fast way to use modern git technology to make my life easier?

Many thanks.

Best Regards
Zhaohui Wang


> -----Original Message-----
> From: linux-newbie-owner@vger.kernel.org [mailto:linux-newbie-
> owner@vger.kernel.org] On Behalf Of Alexei Babich
> Sent: Friday, May 30, 2008 7:06 AM
> To: linux-newbie@vger.kernel.org
> Subject: Re:
> 
> > Check this out - since it has similar embedded requirements like
> yours
> > (what is a chematic engineer?):
> I ment circuit, not schematic, and that's a misprint in addition :)
> 
> > http://tree.celinuxforum.org/pipermail/celinux-dev/2006-
> July/001261.html
> Thank you for link.
> 
> >
> > Read the comments part of kernel/printk.c - printk() is an amazing
> > function, because it can be called in ANY CONTEXT.....which also
> means
> > that it cannot sleep.   But since u know many I/O function involved
> > some form of waiting, therefore printk() necessarily HAVE TO WRITE TO
> > A BUFFER,
> OK, I need decrease buffer depth.
> Thank you.
> 
> --
> Regards,
> Alexei Babich, circuit engineer, OOO NPP "Rezonans", Chelyabinsk,
> Russia
> http://www.rez.ru
> Jabber ID: impatt@jabber.ru
> --
> To unsubscribe from this list: send the line "unsubscribe linux-newbie"
> in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
> Please read the FAQ at http://www.linux-learn.org/faqs

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