* em28xx: Kernel panic after installing latest linuxtv.org modules @ 2013-04-23 20:56 Marcel Kulicke 2013-04-24 11:15 ` Mauro Carvalho Chehab 0 siblings, 1 reply; 5+ messages in thread From: Marcel Kulicke @ 2013-04-23 20:56 UTC (permalink / raw) To: linux-media Hi Linux Media, I was quite keen to try out the new modules for em28xx on my raspberry. Unfortunately, when the module is about to be used by a frontend (TVHEADEND in this case) a reproducable kernel panic occurs. Here is the console output. pi@raspbmc:~$ tvheadend Apr 23 00:16:06.977 [ INFO] charset: 71 entries loaded kernel:Internal error: Oops: 17 [#1] PREEMPT ARM kernel:Process tvheadend (pid: 1409, stack limit = 0xd79ea268) kernel:Stack: (0xd79ebc48 to 0xd79ec000) kernel:bc40: d7951260 d563f000 00000000 c046be40 d8da1140 d79ebc68 kernel:bc60: d8d84288 00000048 00000000 00000048 d7992684 d79ebcc7 d79ffa00 d5207360 kernel:bc80: bf099be0 00000000 d79ebcbc d79ebc98 bf04eca4 bf04eb00 00000001 bf0ec0e0 kernel:bca0: 00000000 d7991000 fffffff7 d7992684 d79ebcd4 d79ebcc0 bf04ee78 bf04ec80 kernel:bcc0: d78700b0 00000001 d79ebcfc d79ebcd8 bf04ef28 bf04ee60 d7992684 d7991000 kernel:bce0: d7a49418 d56546e0 d79ffa00 d5207360 d79ebd0c d79ebd00 bf04efa8 bf04ee8c kernel:bd00: d79ebd1c d79ebd10 bf09d4b0 bf04ef5c d79ebd64 d79ebd20 bf091038 bf09d490 kernel:bd20: c009a098 c01c7b0c 0d400000 d5703798 d79ebd4c d79ebd40 c009a04c d5207360 kernel:bd40: bf09685c d5703798 d56546e0 00000000 bf099be0 00000000 d79ebd84 d79ebd68 kernel:bd60: bf08916c bf090fa4 d79ea000 d5703798 d5207360 bf099be0 d79ebdbc d79ebd88 kernel:bd80: c009a8bc bf0890dc d79ebdbc 00000000 d79ebdbc d5207360 d5703798 d5207368 kernel:bda0: c009a7fc d79ebe90 00000024 00000000 d79ebde4 d79ebdc0 c0094cd8 c009a808 kernel:bdc0: d79ebea4 d79ebf60 00000000 00020000 d79ebe90 00000000 d79ebdfc d79ebde8 kernel:bde0: c0094d94 c0094b20 d79ebea4 d79ebee0 d79ebe74 d79ebe00 c00a4ad4 c0094d78 kernel:be00: c00a1c58 c00a1b98 d79ebe74 d79ebe18 c00a1f38 c00a1c48 00000028 d7b6a820 kernel:be20: 00000000 d79ebee8 00000000 00000000 d753ecc8 d5207360 00000000 00000000 kernel:be40: d5703798 d57038e8 00000004 d79ebee0 d5207360 d79ebf60 d79ebe90 00000000 kernel:be60: 00000041 d79ea000 d79ebed4 d79ebe78 c00a5174 c00a4514 d79ebea4 c0080018 kernel:be80: d547edb0 00000028 00000678 d79ea000 d78101d0 d753b1a0 d79ebeb4 d79ebea8 kernel:bea0: 00000000 00000000 d79ebefc d79ebf60 00000001 ffffff9c d5546000 ffffff9c kernel:bec0: d79ea000 00000000 d79ebf54 d79ebed8 c00a57fc c00a50d0 00000041 b6c98350 kernel:bee0: d78101d0 d753b1a0 7924c38a 00000009 d5546012 c04365b8 00000000 d74082b0 kernel:bf00: d5703798 00000101 00000004 00000000 00000000 00000004 d79ebf54 d79ebf28 kernel:bf20: c00b2508 c00b1f2c 00020000 d5546000 00020000 00000000 d5546000 00020000 kernel:bf40: 00000004 00000001 d79ebf94 d79ebf58 c0095af0 c00a57d4 d79ebf84 d79ebf68 kernel:bf60: 00020000 c0370000 00000024 00000100 be8eee30 00000000 00000000 00000005 kernel:bf80: c000e444 00000000 d79ebfa4 d79ebf98 c0095bb4 c0095a0c 00000000 d79ebfa8 kernel:bfa0: c000e2c0 c0095b98 be8eee30 00000000 be8eee30 00020000 00000000 00000000 kernel:bfc0: be8eee30 00000000 00000000 00000005 00000000 be8ef130 be8eee30 00000000 kernel:bfe0: b6702220 be8ee9d8 b6c97044 b6c983d8 80000010 be8eee30 00000000 00000000 kernel:Code: e3560000 e1a04000 e50b2030 e1a08003 (e5919000) In addition, I tried to use an older version in the GIT (from April 9th). It compiles fine, but the successful load of the em28xx module does not trigger the creation of a /dev/dvb/adapter node. Could anyone point me to a solution or how to find one? Thanks in advance, Marcel ^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: em28xx: Kernel panic after installing latest linuxtv.org modules 2013-04-23 20:56 em28xx: Kernel panic after installing latest linuxtv.org modules Marcel Kulicke @ 2013-04-24 11:15 ` Mauro Carvalho Chehab 2013-04-28 15:34 ` Mauro Carvalho Chehab 2013-04-28 18:29 ` Marcel Kulicke 0 siblings, 2 replies; 5+ messages in thread From: Mauro Carvalho Chehab @ 2013-04-24 11:15 UTC (permalink / raw) To: Marcel Kulicke; +Cc: linux-media Hi Marcel, Em Tue, 23 Apr 2013 22:56:45 +0200 Marcel Kulicke <marcel.kulicke@gmail.com> escreveu: > Hi Linux Media, > > I was quite keen to try out the new modules for em28xx on my raspberry. > Unfortunately, when the module is about to be used by a frontend (TVHEADEND > in this case) a reproducable kernel panic occurs. Here is the console > output. Did it used to work with a previous version? If so, could you please bisect to see what patch broke it? > pi@raspbmc:~$ tvheadend > Apr 23 00:16:06.977 [ INFO] charset: 71 entries loaded > kernel:Internal error: Oops: 17 [#1] PREEMPT ARM > kernel:Process tvheadend (pid: 1409, stack limit = 0xd79ea268) > kernel:Stack: (0xd79ebc48 to 0xd79ec000) > kernel:bc40: d7951260 d563f000 00000000 c046be40 d8da1140 d79ebc68 > kernel:bc60: d8d84288 00000048 00000000 00000048 d7992684 d79ebcc7 d79ffa00 > d5207360 > kernel:bc80: bf099be0 00000000 d79ebcbc d79ebc98 bf04eca4 bf04eb00 00000001 > bf0ec0e0 > kernel:bca0: 00000000 d7991000 fffffff7 d7992684 d79ebcd4 d79ebcc0 bf04ee78 > bf04ec80 > kernel:bcc0: d78700b0 00000001 d79ebcfc d79ebcd8 bf04ef28 bf04ee60 d7992684 > d7991000 > kernel:bce0: d7a49418 d56546e0 d79ffa00 d5207360 d79ebd0c d79ebd00 bf04efa8 > bf04ee8c > kernel:bd00: d79ebd1c d79ebd10 bf09d4b0 bf04ef5c d79ebd64 d79ebd20 bf091038 > bf09d490 > kernel:bd20: c009a098 c01c7b0c 0d400000 d5703798 d79ebd4c d79ebd40 c009a04c > d5207360 > kernel:bd40: bf09685c d5703798 d56546e0 00000000 bf099be0 00000000 d79ebd84 > d79ebd68 > kernel:bd60: bf08916c bf090fa4 d79ea000 d5703798 d5207360 bf099be0 d79ebdbc > d79ebd88 > kernel:bd80: c009a8bc bf0890dc d79ebdbc 00000000 d79ebdbc d5207360 d5703798 > d5207368 > kernel:bda0: c009a7fc d79ebe90 00000024 00000000 d79ebde4 d79ebdc0 c0094cd8 > c009a808 > kernel:bdc0: d79ebea4 d79ebf60 00000000 00020000 d79ebe90 00000000 d79ebdfc > d79ebde8 > kernel:bde0: c0094d94 c0094b20 d79ebea4 d79ebee0 d79ebe74 d79ebe00 c00a4ad4 > c0094d78 > kernel:be00: c00a1c58 c00a1b98 d79ebe74 d79ebe18 c00a1f38 c00a1c48 00000028 > d7b6a820 > kernel:be20: 00000000 d79ebee8 00000000 00000000 d753ecc8 d5207360 00000000 > 00000000 > kernel:be40: d5703798 d57038e8 00000004 d79ebee0 d5207360 d79ebf60 d79ebe90 > 00000000 > kernel:be60: 00000041 d79ea000 d79ebed4 d79ebe78 c00a5174 c00a4514 d79ebea4 > c0080018 > kernel:be80: d547edb0 00000028 00000678 d79ea000 d78101d0 d753b1a0 d79ebeb4 > d79ebea8 > kernel:bea0: 00000000 00000000 d79ebefc d79ebf60 00000001 ffffff9c d5546000 > ffffff9c > kernel:bec0: d79ea000 00000000 d79ebf54 d79ebed8 c00a57fc c00a50d0 00000041 > b6c98350 > kernel:bee0: d78101d0 d753b1a0 7924c38a 00000009 d5546012 c04365b8 00000000 > d74082b0 > kernel:bf00: d5703798 00000101 00000004 00000000 00000000 00000004 d79ebf54 > d79ebf28 > kernel:bf20: c00b2508 c00b1f2c 00020000 d5546000 00020000 00000000 d5546000 > 00020000 > kernel:bf40: 00000004 00000001 d79ebf94 d79ebf58 c0095af0 c00a57d4 d79ebf84 > d79ebf68 > kernel:bf60: 00020000 c0370000 00000024 00000100 be8eee30 00000000 00000000 > 00000005 > kernel:bf80: c000e444 00000000 d79ebfa4 d79ebf98 c0095bb4 c0095a0c 00000000 > d79ebfa8 > kernel:bfa0: c000e2c0 c0095b98 be8eee30 00000000 be8eee30 00020000 00000000 > 00000000 > kernel:bfc0: be8eee30 00000000 00000000 00000005 00000000 be8ef130 be8eee30 > 00000000 > kernel:bfe0: b6702220 be8ee9d8 b6c97044 b6c983d8 80000010 be8eee30 00000000 > 00000000 > kernel:Code: e3560000 e1a04000 e50b2030 e1a08003 (e5919000) I'm not familiar enough with ARM to understand what the above actually means. I would be expecting, instead, an error with the trace function stack. Perhaps you need to enable some things at .config to enable it, or to run ./scripts/ksymoops manually to translate the above into something useful. Btw, most of media devices require a lot of power to work. In order to use them with Raspberry Pi, you may find troubles, depending on the power source you have. I got a Rpi a few weeks ago, and I was able to run there only one USB device with has an external power, as the 1A power adapter I have was not enough to energize the usual usb sticks I tried, when the demod and tuner are powered on by the driver. That causes device reconnect or even hangs there. I heard that using a 2A power adapter would work, but I don't have it currently (I'm currently trying to get one). I tested also with an USB hub with its own power supply. I found there two issues: - the hub was sending power also to the Rpi, causing problems there due to the other power adapter; - the hub I used seemed to interfere at the USB isoc traffic. What I'm trying to say is that perhaps this is not a driver issue at all, but, instead, a problem with em28xx+demod high power consumption and Rpi. The best way is to test the device first on a x86, to be sure that the driver is OK there. Then, you need to properly address the power supply needs for RPi. Only after that, check if are there at em28xx anything that could be incompatible with arm. > In addition, I tried to use an older version in the GIT (from April 9th). > It compiles fine, but the successful load of the em28xx module does not > trigger the creation of a /dev/dvb/adapter node. > > Could anyone point me to a solution or how to find one? Thanks in advance, > > Marcel > -- > To unsubscribe from this list: send the line "unsubscribe linux-media" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html -- Cheers, Mauro ^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: em28xx: Kernel panic after installing latest linuxtv.org modules 2013-04-24 11:15 ` Mauro Carvalho Chehab @ 2013-04-28 15:34 ` Mauro Carvalho Chehab 2013-04-28 18:29 ` Marcel Kulicke 1 sibling, 0 replies; 5+ messages in thread From: Mauro Carvalho Chehab @ 2013-04-28 15:34 UTC (permalink / raw) To: Marcel Kulicke; +Cc: linux-media Em Wed, 24 Apr 2013 08:15:22 -0300 Mauro Carvalho Chehab <mchehab@redhat.com> escreveu: > Hi Marcel, > > Em Tue, 23 Apr 2013 22:56:45 +0200 > Marcel Kulicke <marcel.kulicke@gmail.com> escreveu: > > > Hi Linux Media, > > > > I was quite keen to try out the new modules for em28xx on my raspberry. > > Unfortunately, when the module is about to be used by a frontend (TVHEADEND > > in this case) a reproducable kernel panic occurs. Here is the console > > output. > > Did it used to work with a previous version? If so, could you please > bisect to see what patch broke it? > > > pi@raspbmc:~$ tvheadend > > Apr 23 00:16:06.977 [ INFO] charset: 71 entries loaded > > kernel:Internal error: Oops: 17 [#1] PREEMPT ARM > > kernel:Process tvheadend (pid: 1409, stack limit = 0xd79ea268) > > kernel:Stack: (0xd79ebc48 to 0xd79ec000) > > kernel:bc40: d7951260 d563f000 00000000 c046be40 d8da1140 d79ebc68 > > kernel:bc60: d8d84288 00000048 00000000 00000048 d7992684 d79ebcc7 d79ffa00 > > d5207360 > > kernel:bc80: bf099be0 00000000 d79ebcbc d79ebc98 bf04eca4 bf04eb00 00000001 > > bf0ec0e0 > > kernel:bca0: 00000000 d7991000 fffffff7 d7992684 d79ebcd4 d79ebcc0 bf04ee78 > > bf04ec80 > > kernel:bcc0: d78700b0 00000001 d79ebcfc d79ebcd8 bf04ef28 bf04ee60 d7992684 > > d7991000 > > kernel:bce0: d7a49418 d56546e0 d79ffa00 d5207360 d79ebd0c d79ebd00 bf04efa8 > > bf04ee8c > > kernel:bd00: d79ebd1c d79ebd10 bf09d4b0 bf04ef5c d79ebd64 d79ebd20 bf091038 > > bf09d490 > > kernel:bd20: c009a098 c01c7b0c 0d400000 d5703798 d79ebd4c d79ebd40 c009a04c > > d5207360 > > kernel:bd40: bf09685c d5703798 d56546e0 00000000 bf099be0 00000000 d79ebd84 > > d79ebd68 > > kernel:bd60: bf08916c bf090fa4 d79ea000 d5703798 d5207360 bf099be0 d79ebdbc > > d79ebd88 > > kernel:bd80: c009a8bc bf0890dc d79ebdbc 00000000 d79ebdbc d5207360 d5703798 > > d5207368 > > kernel:bda0: c009a7fc d79ebe90 00000024 00000000 d79ebde4 d79ebdc0 c0094cd8 > > c009a808 > > kernel:bdc0: d79ebea4 d79ebf60 00000000 00020000 d79ebe90 00000000 d79ebdfc > > d79ebde8 > > kernel:bde0: c0094d94 c0094b20 d79ebea4 d79ebee0 d79ebe74 d79ebe00 c00a4ad4 > > c0094d78 > > kernel:be00: c00a1c58 c00a1b98 d79ebe74 d79ebe18 c00a1f38 c00a1c48 00000028 > > d7b6a820 > > kernel:be20: 00000000 d79ebee8 00000000 00000000 d753ecc8 d5207360 00000000 > > 00000000 > > kernel:be40: d5703798 d57038e8 00000004 d79ebee0 d5207360 d79ebf60 d79ebe90 > > 00000000 > > kernel:be60: 00000041 d79ea000 d79ebed4 d79ebe78 c00a5174 c00a4514 d79ebea4 > > c0080018 > > kernel:be80: d547edb0 00000028 00000678 d79ea000 d78101d0 d753b1a0 d79ebeb4 > > d79ebea8 > > kernel:bea0: 00000000 00000000 d79ebefc d79ebf60 00000001 ffffff9c d5546000 > > ffffff9c > > kernel:bec0: d79ea000 00000000 d79ebf54 d79ebed8 c00a57fc c00a50d0 00000041 > > b6c98350 > > kernel:bee0: d78101d0 d753b1a0 7924c38a 00000009 d5546012 c04365b8 00000000 > > d74082b0 > > kernel:bf00: d5703798 00000101 00000004 00000000 00000000 00000004 d79ebf54 > > d79ebf28 > > kernel:bf20: c00b2508 c00b1f2c 00020000 d5546000 00020000 00000000 d5546000 > > 00020000 > > kernel:bf40: 00000004 00000001 d79ebf94 d79ebf58 c0095af0 c00a57d4 d79ebf84 > > d79ebf68 > > kernel:bf60: 00020000 c0370000 00000024 00000100 be8eee30 00000000 00000000 > > 00000005 > > kernel:bf80: c000e444 00000000 d79ebfa4 d79ebf98 c0095bb4 c0095a0c 00000000 > > d79ebfa8 > > kernel:bfa0: c000e2c0 c0095b98 be8eee30 00000000 be8eee30 00020000 00000000 > > 00000000 > > kernel:bfc0: be8eee30 00000000 00000000 00000005 00000000 be8ef130 be8eee30 > > 00000000 > > kernel:bfe0: b6702220 be8ee9d8 b6c97044 b6c983d8 80000010 be8eee30 00000000 > > 00000000 > > kernel:Code: e3560000 e1a04000 e50b2030 e1a08003 (e5919000) > > I'm not familiar enough with ARM to understand what the above actually means. > I would be expecting, instead, an error with the trace function stack. > > Perhaps you need to enable some things at .config to enable it, or to run > ./scripts/ksymoops manually to translate the above into something useful. > > Btw, most of media devices require a lot of power to work. In order to > use them with Raspberry Pi, you may find troubles, depending on the power > source you have. > > I got a Rpi a few weeks ago, and I was able to run there only one USB > device with has an external power, as the 1A power adapter I have was not > enough to energize the usual usb sticks I tried, when the demod and tuner > are powered on by the driver. That causes device reconnect or even > hangs there. > > I heard that using a 2A power adapter would work, but I don't have it > currently (I'm currently trying to get one). I tested also with an USB > hub with its own power supply. I found there two issues: > > - the hub was sending power also to the Rpi, causing problems > there due to the other power adapter; > > - the hub I used seemed to interfere at the USB isoc traffic. > > What I'm trying to say is that perhaps this is not a driver issue at all, > but, instead, a problem with em28xx+demod high power consumption and Rpi. > > The best way is to test the device first on a x86, to be sure that the > driver is OK there. Then, you need to properly address the power supply > needs for RPi. Only after that, check if are there at em28xx anything > that could be incompatible with arm. > > > In addition, I tried to use an older version in the GIT (from April 9th). > > It compiles fine, but the successful load of the em28xx module does not > > trigger the creation of a /dev/dvb/adapter node. > > > > Could anyone point me to a solution or how to find one? Thanks in advance, As I said, with the above log, it is not possible to discover what's wrong. That's said, I just tested some changes I did that affects one em28xx device, and I got an error at em28xx_dvb_bus_ctrl(). I'm posting today a fix for it at the ML. Maybe it solves your issue too. Regards, Mauro ^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: em28xx: Kernel panic after installing latest linuxtv.org modules 2013-04-24 11:15 ` Mauro Carvalho Chehab 2013-04-28 15:34 ` Mauro Carvalho Chehab @ 2013-04-28 18:29 ` Marcel Kulicke 2013-04-29 14:44 ` Mauro Carvalho Chehab 1 sibling, 1 reply; 5+ messages in thread From: Marcel Kulicke @ 2013-04-28 18:29 UTC (permalink / raw) To: Mauro Carvalho Chehab; +Cc: linux-media Hi Mauro, thanks a lot for taking the time to respond to my issue! > Did it used to work with a previous version? If so, could you please > bisect to see what patch broke it? No, it also didn't work with the previous version, but since building the previous version was also a bit of a hassle, I am not so sure I got a clean module. > I'm not familiar enough with ARM to understand what the above actually means. > I would be expecting, instead, an error with the trace function stack. > > Perhaps you need to enable some things at .config to enable it, or to run > ./scripts/ksymoops manually to translate the above into something useful. I only know the ksmoops way. Since I just read that you published a new version, I will try the new version and apply ksmoops there if necessary (hopefully not! :-)) > > I heard that using a 2A power adapter would work, but I don't have it > currently (I'm currently trying to get one). I tested also with an USB > hub with its own power supply. I found there two issues: > > - the hub was sending power also to the Rpi, causing problems > there due to the other power adapter; > > - the hub I used seemed to interfere at the USB isoc traffic. > > What I'm trying to say is that perhaps this is not a driver issue at all, > but, instead, a problem with em28xx+demod high power consumption and Rpi. Sad to say, but I am using a 2A USB power adapter already. I also tried to it with a powered hub (yeah, that powered the pi as well - as you mentioned) but same oops-results. There is one other possibility. An RTL8192CU-WiFi-Module is also connected to the pi. Maybe it interferes? I will check that out as well. > The best way is to test the device first on a x86, to be sure that the > driver is OK there. Then, you need to properly address the power supply > needs for RPi. Only after that, check if are there at em28xx anything > that could be incompatible with arm. Will do! Cheers, Marcel ^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: em28xx: Kernel panic after installing latest linuxtv.org modules 2013-04-28 18:29 ` Marcel Kulicke @ 2013-04-29 14:44 ` Mauro Carvalho Chehab 0 siblings, 0 replies; 5+ messages in thread From: Mauro Carvalho Chehab @ 2013-04-29 14:44 UTC (permalink / raw) To: Marcel Kulicke; +Cc: linux-media Em Sun, 28 Apr 2013 20:29:19 +0200 Marcel Kulicke <marcel.kulicke@gmail.com> escreveu: > Hi Mauro, > > thanks a lot for taking the time to respond to my issue! > > Did it used to work with a previous version? If so, could you please > > bisect to see what patch broke it? > No, it also didn't work with the previous version, but since building > the previous version was also a bit of a hassle, I am not so sure I got a clean module. > > > I'm not familiar enough with ARM to understand what the above actually means. > > I would be expecting, instead, an error with the trace function stack. > > > > Perhaps you need to enable some things at .config to enable it, or to run > > ./scripts/ksymoops manually to translate the above into something useful. > I only know the ksmoops way. Since I just read that you published a new version, > I will try the new version and apply ksmoops there if necessary (hopefully not! :-)) Yes, let's hope it will work now. > > > > I heard that using a 2A power adapter would work, but I don't have it > > currently (I'm currently trying to get one). I tested also with an USB > > hub with its own power supply. I found there two issues: > > > > - the hub was sending power also to the Rpi, causing problems > > there due to the other power adapter; > > > > - the hub I used seemed to interfere at the USB isoc traffic. > > > > What I'm trying to say is that perhaps this is not a driver issue at all, > > but, instead, a problem with em28xx+demod high power consumption and Rpi. > Sad to say, but I am using a 2A USB power adapter already. I also tried to it with a powered hub (yeah, that powered the pi as well - as you mentioned) but same oops-results. USB hubs can be a source of problems. The better is to not use it, if the 2A USB power supply is enough. > There is one other possibility. An RTL8192CU-WiFi-Module is also connected to the pi. Maybe it interferes? I will check that out as well. Perhaps. I would try without it as well. > > The best way is to test the device first on a x86, to be sure that the > > driver is OK there. Then, you need to properly address the power supply > > needs for RPi. Only after that, check if are there at em28xx anything > > that could be incompatible with arm. > Will do! Thanks! -- Cheers, Mauro ^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2013-04-29 14:44 UTC | newest] Thread overview: 5+ messages (download: mbox.gz follow: Atom feed -- links below jump to the message on this page -- 2013-04-23 20:56 em28xx: Kernel panic after installing latest linuxtv.org modules Marcel Kulicke 2013-04-24 11:15 ` Mauro Carvalho Chehab 2013-04-28 15:34 ` Mauro Carvalho Chehab 2013-04-28 18:29 ` Marcel Kulicke 2013-04-29 14:44 ` Mauro Carvalho Chehab
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