Re: dvb lock patch
On Sat, Apr 21, 2012 at 2:18 PM, Josu Lazkano josu.lazk...@gmail.com wrote: Thanks Torfinn! I get it working with modules compilation, that great! Good to hear that you got it working. apt-get install linux-source-3.2 cd /usr/src/ tar -xjvf linux-source-3.2.tar.bz2 cd linux-source-3.2/ wget http://kipdola.be/subdomain/linux-2.6.38-dvb-mutex.patch patch -p1 linux-2.6.38-dvb-mutex.patch (I must do it manually, maybe for the kernel version) cp /boot/config-3.2.0-2-686-pae .config cp ../linux-headers-3.2.0-2-686-pae/Module.symvers . make oldconfig make prepare make scripts make modules SUBDIRS=drivers/media/dvb/ cp drivers/media/dvb/dvb-core/dvb-core.ko /lib/modules/3.2.0-2-686-pae/kernel/drivers/media/dvb/dvb-core/ (reboot) I am not software developer and I have no idea what means race conditions, is this sasc-ng or linux driver problem? Sorry, I'm also not a developer, so I can't tell. :) As long as the driver works, I'm happy. -- Regards, Torfinn Ingolfsen -- To unsubscribe from this list: send the line unsubscribe linux-media in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Re: dvb lock patch
2012/4/20 Torfinn Ingolfsen tin...@gmail.com: 2012/4/18 Josu Lazkano josu.lazk...@gmail.com: El día 18 de abril de 2012 21:19, Mauro Carvalho Chehab mche...@redhat.com escribió: Em 18-04-2012 15:58, Ezequiel García escreveu: Josu, On Tue, Apr 17, 2012 at 10:30 AM, Josu Lazkano josu.lazk...@gmail.com wrote: 2012/3/24 Mauro Carvalho Chehab mche...@redhat.com: [snip] That doesn't sound right to me, and can actually cause race issues. Regards, Mauro. Thanks for the patch Mauro. I think Mauro is *not* giving you a patch, rather the opposite: pointing out that the patch can cause problems! Yes. The driver will be unreliable with a patch like that, due to race conditions. Regards, Ezequiel. Regards, Mauro. Thanks anyway. I am looking for a solution to use virtual adapters on MythTV to use my satellite provider card on two machines. With 2.6.32 kernel is working great, but there is no way to work with 3.x kernel. Is anyone using sasc-ng with latest kernel? Would kernel 3.0.0.15 do? If so, descriptions on how I did it here: http://sites.google.com/site/tingox/digitaltv_sascng http://sites.google.com/site/tingox/asrock_e350m1_xubuntu Note: these are my work notes, not a how-to! As you can see, I'm using this patch: http://kipdola.be/subdomain/linux-2.6.38-dvb-mutex.patch It seems to work for me (had it running with Kaffeine on encrypted channesl for two weeks in a row) HTH -- Regards, Torfinn Ingolfsen -- To unsubscribe from this list: send the line unsubscribe linux-media in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Thanks Torfinn! I get it working with modules compilation, that great! apt-get install linux-source-3.2 cd /usr/src/ tar -xjvf linux-source-3.2.tar.bz2 cd linux-source-3.2/ wget http://kipdola.be/subdomain/linux-2.6.38-dvb-mutex.patch patch -p1 linux-2.6.38-dvb-mutex.patch (I must do it manually, maybe for the kernel version) cp /boot/config-3.2.0-2-686-pae .config cp ../linux-headers-3.2.0-2-686-pae/Module.symvers . make oldconfig make prepare make scripts make modules SUBDIRS=drivers/media/dvb/ cp drivers/media/dvb/dvb-core/dvb-core.ko /lib/modules/3.2.0-2-686-pae/kernel/drivers/media/dvb/dvb-core/ (reboot) I am not software developer and I have no idea what means race conditions, is this sasc-ng or linux driver problem? It will be great to fix it and not patch the driver anymore, but I am happy with this solution (module compilation). Thanks and best regards. -- Josu Lazkano -- To unsubscribe from this list: send the line unsubscribe linux-media in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Re: dvb lock patch
2012/4/18 Josu Lazkano josu.lazk...@gmail.com: El día 18 de abril de 2012 21:19, Mauro Carvalho Chehab mche...@redhat.com escribió: Em 18-04-2012 15:58, Ezequiel García escreveu: Josu, On Tue, Apr 17, 2012 at 10:30 AM, Josu Lazkano josu.lazk...@gmail.com wrote: 2012/3/24 Mauro Carvalho Chehab mche...@redhat.com: [snip] That doesn't sound right to me, and can actually cause race issues. Regards, Mauro. Thanks for the patch Mauro. I think Mauro is *not* giving you a patch, rather the opposite: pointing out that the patch can cause problems! Yes. The driver will be unreliable with a patch like that, due to race conditions. Regards, Ezequiel. Regards, Mauro. Thanks anyway. I am looking for a solution to use virtual adapters on MythTV to use my satellite provider card on two machines. With 2.6.32 kernel is working great, but there is no way to work with 3.x kernel. Is anyone using sasc-ng with latest kernel? Would kernel 3.0.0.15 do? If so, descriptions on how I did it here: http://sites.google.com/site/tingox/digitaltv_sascng http://sites.google.com/site/tingox/asrock_e350m1_xubuntu Note: these are my work notes, not a how-to! As you can see, I'm using this patch: http://kipdola.be/subdomain/linux-2.6.38-dvb-mutex.patch It seems to work for me (had it running with Kaffeine on encrypted channesl for two weeks in a row) HTH -- Regards, Torfinn Ingolfsen -- To unsubscribe from this list: send the line unsubscribe linux-media in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Re: dvb lock patch
Josu, On Tue, Apr 17, 2012 at 10:30 AM, Josu Lazkano josu.lazk...@gmail.com wrote: 2012/3/24 Mauro Carvalho Chehab mche...@redhat.com: [snip] That doesn't sound right to me, and can actually cause race issues. Regards, Mauro. Thanks for the patch Mauro. I think Mauro is *not* giving you a patch, rather the opposite: pointing out that the patch can cause problems! Regards, Ezequiel. -- To unsubscribe from this list: send the line unsubscribe linux-media in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Re: dvb lock patch
El día 18 de abril de 2012 21:19, Mauro Carvalho Chehab mche...@redhat.com escribió: Em 18-04-2012 15:58, Ezequiel García escreveu: Josu, On Tue, Apr 17, 2012 at 10:30 AM, Josu Lazkano josu.lazk...@gmail.com wrote: 2012/3/24 Mauro Carvalho Chehab mche...@redhat.com: [snip] That doesn't sound right to me, and can actually cause race issues. Regards, Mauro. Thanks for the patch Mauro. I think Mauro is *not* giving you a patch, rather the opposite: pointing out that the patch can cause problems! Yes. The driver will be unreliable with a patch like that, due to race conditions. Regards, Ezequiel. Regards, Mauro. Thanks anyway. I am looking for a solution to use virtual adapters on MythTV to use my satellite provider card on two machines. With 2.6.32 kernel is working great, but there is no way to work with 3.x kernel. Is anyone using sasc-ng with latest kernel? Kind regards. -- Josu Lazkano -- To unsubscribe from this list: send the line unsubscribe linux-media in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Re: dvb lock patch
2012/3/24 Mauro Carvalho Chehab mche...@redhat.com:
Em 04-03-2012 17:49, Josu Lazkano escreveu:
Hello all, I am using this patch to get virtual adapters for DVB
devices:
https://aur.archlinux.org/packages/sa/sascng-linux3-patch/sascng-linux3-patch.tar.gz
Here is more info: https://aur.archlinux.org/packages.php?ID=51325
Is it possible to add this patch on the dvb source?
This patch is needed for people who not have a CI and need to create
virtual adapters to get a working pay-tv system.
Please always send the diff, instead to a point to some tarball, otherwise
most developers won't care enough to see what's there.
Anyway:
diff -Nur linux-2.6.39/drivers/media/dvb/dvb-core/dvbdev.c
linux-2.6.39/drivers/media/dvb/dvb-core/dvbdev.c
--- linux-2.6.39/drivers/media/dvb/dvb-core/dvbdev.c
+++ linux-2.6.39/drivers/media/dvb/dvb-core/dvbdev.c
@@ -83,8 +83,11 @@ static int dvb_device_open(struct inode *inode, struct
file *file)
file-f_op = old_fops;
goto fail;
}
- if(file-f_op-open)
+ if(file-f_op-open) {
+ mutex_unlock(dvbdev_mutex);
err = file-f_op-open(inode,file);
+ mutex_lock(dvbdev_mutex);
+ }
if (err) {
fops_put(file-f_op);
file-f_op = fops_get(old_fops);
--
That doesn't sound right to me, and can actually cause race issues.
Regards,
Mauro.
Thanks for the patch Mauro.
Regards.
--
Josu Lazkano
--
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the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Re: dvb lock patch
Em 04-03-2012 17:49, Josu Lazkano escreveu:
Hello all, I am using this patch to get virtual adapters for DVB
devices:
https://aur.archlinux.org/packages/sa/sascng-linux3-patch/sascng-linux3-patch.tar.gz
Here is more info: https://aur.archlinux.org/packages.php?ID=51325
Is it possible to add this patch on the dvb source?
This patch is needed for people who not have a CI and need to create
virtual adapters to get a working pay-tv system.
Please always send the diff, instead to a point to some tarball, otherwise
most developers won't care enough to see what's there.
Anyway:
diff -Nur linux-2.6.39/drivers/media/dvb/dvb-core/dvbdev.c
linux-2.6.39/drivers/media/dvb/dvb-core/dvbdev.c
--- linux-2.6.39/drivers/media/dvb/dvb-core/dvbdev.c
+++ linux-2.6.39/drivers/media/dvb/dvb-core/dvbdev.c
@@ -83,8 +83,11 @@ static int dvb_device_open(struct inode *inode, struct
file *file)
file-f_op = old_fops;
goto fail;
}
- if(file-f_op-open)
+ if(file-f_op-open) {
+ mutex_unlock(dvbdev_mutex);
err = file-f_op-open(inode,file);
+ mutex_lock(dvbdev_mutex);
+ }
if (err) {
fops_put(file-f_op);
file-f_op = fops_get(old_fops);
--
That doesn't sound right to me, and can actually cause race issues.
Regards,
Mauro.
--
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the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Re: dvb lock patch
2012/3/23 Angela Schmid angela.sch...@wolke7.net: Hello Josu Maybe I have overseen any replies. Did you got some ? Angela Hello, there is no replys, I think that this is not interesting for developers. Kind regards. -- Josu Lazkano -- To unsubscribe from this list: send the line unsubscribe linux-media in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
dvb lock patch
Hello all, I am using this patch to get virtual adapters for DVB devices: https://aur.archlinux.org/packages/sa/sascng-linux3-patch/sascng-linux3-patch.tar.gz Here is more info: https://aur.archlinux.org/packages.php?ID=51325 Is it possible to add this patch on the dvb source? This patch is needed for people who not have a CI and need to create virtual adapters to get a working pay-tv system. Best regards. -- Josu Lazkano -- To unsubscribe from this list: send the line unsubscribe linux-media in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
