Mailing List Archive: MythTV: Users

Input/output error on /dev/video0 (PVR-350)

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jep at obrien-pifer

Apr 8, 2004, 6:20 PM

Post #1 of 6 (6466 views)
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Input/output error on /dev/video0 (PVR-350)

I can't get past this problem. I've built my mythtv TV machine several
times in the last 8 months (although I always seem to have something go
a little bit different) I've never had this problem. If I try to do a dd
or a cat of video0 such as below, I get an Input/output error. I've
tried what Jarod's guide suggests, rmmod and modprobe of ivtv, but it
still fails after I do that. In messages I get:
Apr 8 21:18:28 mythtv kernel: ivtv: Timeout waiting for data!

I've come up pretty empty on searches. Any suggestions?

Thanks,
James

[root[at]mythtv root]# dd if=/dev/video0 of=test.mpg
dd: reading `/dev/video0': Input/output error
0+0 records in
0+0 records out
OR
[root[at]mythtv root]# cat /dev/video0 > /tmp/test_capture.mpg
cat: /dev/video0: Input/output error

[root[at]mythtv root]# ls /dev/video* -l
crw------- 1 root root 81, 0 Jan 30 2003 /dev/video0
crw------- 1 root root 81, 1 Jan 30 2003 /dev/video1
crw------- 1 root root 172, 0 Jan 30 2003 /dev/video1394
crw------- 1 root root 81, 16 Apr 7 15:01 /dev/video16
crw------- 1 root root 81, 2 Jan 30 2003 /dev/video2
crw------- 1 root root 81, 224 Apr 7 15:02 /dev/video224
crw------- 1 root root 81, 3 Jan 30 2003 /dev/video3
crw------- 1 root root 81, 32 Apr 7 15:01 /dev/video32

[root[at]mythtv root]# lsmod
Module Size Used by Not tainted
ivtv-fb 16128 0
ivtv 94432 0 [ivtv-fb]
lirc_i2c 5440 0 (unused)
lirc_dev 10192 1 [lirc_i2c]
saa7127 4952 0 (unused)
saa7115 8120 0 (unused)
videodev 9216 7 [ivtv]
msp3400 18828 1
tuner 12544 1
i2c-algo-bit 8584 0 [ivtv]
i2c-core 21028 0 [ivtv lirc_i2c saa7127 saa7115 msp3400
tuner i2c-algo-bit]
i810_audio 27624 0 (autoclean)
ac97_codec 14568 0 (autoclean) [i810_audio]
soundcore 6436 2 (autoclean) [i810_audio]
agpgart 48128 5 (autoclean)
iptable_filter 2444 0 (autoclean) (unused)
ip_tables 15096 1 [iptable_filter]
autofs4 12180 2 (autoclean)
3c59x 30736 1
serial 55300 0 (autoclean)
microcode 4668 0 (autoclean)
keybdev 2976 0 (unused)
mousedev 5556 1
hid 22276 0 (unused)
input 5888 0 [keybdev mousedev hid]
usb-uhci 26412 0 (unused)
usbcore 79360 1 [hid usb-uhci]
ext3 70976 2
jbd 51924 2 [ext3]

brentfisher at shaw

Apr 8, 2004, 8:52 PM

Post #2 of 6 (6173 views)
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Re: Input/output error on /dev/video0 (PVR-350) [In reply to]

If you're using the ivtv driver v0.1.10pre2 then you may be having the
same problem that I had last week...

Refer to:

http://www.poptix.net/ivtv/current/msg00888.html

-Brent

jep at obrien-pifer

Apr 9, 2004, 1:08 AM

Post #3 of 6 (6187 views)
Permalink

Re: Input/output error on /dev/video0 (PVR-350) [In reply to]

On Thu, 2004-04-08 at 23:52, brent wrote:
> If you're using the ivtv driver v0.1.10pre2 then you may be having the
> same problem that I had last week...
>
> Refer to:
>
> http://www.poptix.net/ivtv/current/msg00888.html
>
> -Brent
>
> ______________________________________________________________________
> _______________________________________________
> mythtv-users mailing list
> mythtv-users[at]mythtv.org
> http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users

Unfortunately even if I go back to 0.1.9 I still have the same problem.
I'll copy this on the ivtv-devel list as well.

Original post:
http://mythtv.org/pipermail/mythtv-users/2004-April/039137.html

I searched ivtv-devel archives but everything I found seems kind of old.
Any suggestions?

Thanks,
James

shawn at shawnflynn

Apr 9, 2004, 9:06 AM

Post #4 of 6 (6164 views)
Permalink

RE: Input/output error on /dev/video0 (PVR-350) [In reply to]

> James Pifer wrote:
>I can't get past this problem. I've built my mythtv TV machine several
>times in the last 8 months (although I always seem to have something go
>a little bit different) I've never had this problem. If I try to do a dd
>or a cat of video0 such as below, I get an Input/output error. I've
>tried what Jarod's guide suggests, rmmod and modprobe of ivtv, but it
>still fails after I do that. In messages I get:
>Apr 8 21:18:28 mythtv kernel: ivtv: Timeout waiting for data!
>
>I've come up pretty empty on searches. Any suggestions?
>
>Thanks,
>James

Verify that you are running ivtv version 0.1.9-25. Any newer version seems
to show this issue (at least with my pvr-250MCE Rev 1 anyway)

The following command will verify what driver is loading...

# dmesg | grep "ivtv: version"
ivtv: version 0.1.9 (release) loading

Anything other than the above appears to be unstable.

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mythtv-users mailing list
mythtv-users[at]mythtv.org
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mythtv at ease

Apr 11, 2004, 11:15 AM

Post #5 of 6 (6177 views)
Permalink

RE: Input/output error on /dev/video0 (PVR-350) [In reply to]

Check you don't have one of the incompatible VIA chipsets on your
motherboard.

Shawn Flynn said:
>> James Pifer wrote:
>>I can't get past this problem. I've built my mythtv TV machine several
>>times in the last 8 months (although I always seem to have something go
>>a little bit different) I've never had this problem. If I try to do a dd
>>or a cat of video0 such as below, I get an Input/output error. I've
>>tried what Jarod's guide suggests, rmmod and modprobe of ivtv, but it
>>still fails after I do that. In messages I get:
>>Apr 8 21:18:28 mythtv kernel: ivtv: Timeout waiting for data!
>>
>>I've come up pretty empty on searches. Any suggestions?
>>
>>Thanks,
>>James
>
> Verify that you are running ivtv version 0.1.9-25. Any newer version seems
> to show this issue (at least with my pvr-250MCE Rev 1 anyway)
>
> The following command will verify what driver is loading...
>
> # dmesg | grep "ivtv: version"
> ivtv: version 0.1.9 (release) loading
>
> Anything other than the above appears to be unstable.
>
> _______________________________________________
> mythtv-users mailing list
> mythtv-users[at]mythtv.org
> http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
>

_______________________________________________
mythtv-users mailing list
mythtv-users[at]mythtv.org
http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users

Johan.De.Waen at pandora

Apr 24, 2004, 3:26 PM

Post #6 of 6 (6171 views)
Permalink

Re: Input/output error on /dev/video0 (PVR-350) [In reply to]

Eduardo wrote:

>Check you don't have one of the incompatible VIA chipsets on your
>motherboard.
>
>Shawn Flynn said:
>
>
>>>James Pifer wrote:
>>>I can't get past this problem. I've built my mythtv TV machine several
>>>times in the last 8 months (although I always seem to have something go
>>>a little bit different) I've never had this problem. If I try to do a dd
>>>or a cat of video0 such as below, I get an Input/output error. I've
>>>tried what Jarod's guide suggests, rmmod and modprobe of ivtv, but it
>>>still fails after I do that. In messages I get:
>>>Apr 8 21:18:28 mythtv kernel: ivtv: Timeout waiting for data!
>>>
>>>I've come up pretty empty on searches. Any suggestions?
>>>
>>>Thanks,
>>>James
>>>
>>>
>>Verify that you are running ivtv version 0.1.9-25. Any newer version seems
>>to show this issue (at least with my pvr-250MCE Rev 1 anyway)
>>
>>The following command will verify what driver is loading...
>>
>> # dmesg | grep "ivtv: version"
>> ivtv: version 0.1.9 (release) loading
>>
>>Anything other than the above appears to be unstable.
>>
>>_______________________________________________
>>mythtv-users mailing list
>>mythtv-users[at]mythtv.org
>>http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
>>
>>
>>
>
>_______________________________________________
>mythtv-users mailing list
>mythtv-users[at]mythtv.org
>http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
>
>
>
>
I have a similar problem (input/output error on /dev/video0) with a new
Dell Dimension 4600. I bought it especially to become my MythTVBox:-(
HW: Intel 82865G chipset, P4 2.8Ghz, 256 Mbyte RAM, 120Gbyte HD, on
board graphic card and a PVR350 card.
SW: Mandrake 9.2 + MythTV 0.14 + ivtv 0.1.9
I followed all installation instructions (good work by the way!)

After doing
modprobe ivtv
modprobe tuner type=28 (this is correct in my case)
test_ioctl -u 0xff (PAL, ok in my case)
test_ioctl -p 4
test_ioct; -f width=720,height=576

cat /dev/video0 > test.mpeg

results in an input/output error

The card IS recognized; I checked this with lspci that lists
....
Multimedia video controller: Internext Compression Inc iTVC15 MPEG-2
Encoder (rev 01)
....

A couple of months ago I tested exactly the same setup (PVR350, myth
0.14, Mandrake 9.2) on another 3 year old PC (Celeron 733 - no clue
about chipset at this very moment) and that worked as a charm.

Can anybody confirm problems with this Intel chipset? Any advice? I know
how you must be feeling; I am starting to feel very bad I spent all this
money....

Thanks!
Johan

PS
I cannot confirm whether the combination PVR350, Windows XP and my
chipset work. I was too quick in erasing XP and installing Linux!
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