On 21.2.2011 21:44, ganiuszka wrote:
> 2011/2/21 Jari Fredriksson <jarif AT iki DOT fi>:
>> On 21.2.2011 0:57, ganiuszka wrote:
>>> Hi,
>>>
>>> The "free" command is running before every WRITE. If "free" command
>>> does not work properly then WRITE will not work. "dvd-handler" script
>>> uses the "popen2" Python module which in new Python version throws
>>> warning because this module is deprecated in new Python. That may be
>>> your issue after the system upgrade to Squeeze.
>>>
>>> If your "free" command shows something like below output, that is this
>>> problem.:
>>>
>>> # /usr/local/bacula/etc/scripts/dvd-handler /dev/sr0 free
>>> /usr/local/bacula/etc/scripts/dvd-handler:41: DeprecationWarning: The
>>> popen2 module is deprecated. Use the subprocess module.
>>> import popen2
>>> 1616412672
>>> No Error reported.
>>>
>>> When you put "hash" ("#") in python module on that warning then DVD
>>> backup will be work. Another solution is rewrite "dvd-handler" script
>>> using "subprocess" Python module instead "popen2".
>>>
>>
>> I know knothing about python. Which module is that "python module" that
>> I need to comment the warning out?
>
> Hi,
>
> This module is in localization /usr/lib/python2.6/popen2.py. There are
> those two lines:
>
> warnings.warn("The popen2 module is deprecated. Use the subprocess module.",
> DeprecationWarning, stacklevel=2)
>
> When you put hash ("#") at the begining those lines, warning should
> not occur in the "free" command. For example:
>
> #warnings.warn("The popen2 module is deprecated. Use the subprocess module.",
> # DeprecationWarning, stacklevel=2)
>
>> For example the following fails with the newer kernels, but not with older..
>>
>> ----------------------- /etc/bacula/blank_dvd ------------------------
>>
>> dd if=/dev/zero bs=1024 count=512 | growisofs -Z /dev/sr0=/dev/fd/0
>
> Did you try with other discs? Are there any errors in "dmesg" log?
> What error is reported after running this command?
>
> Regards
> gani
>
I wrote this to Debian list. The error message is included:
My setup:
Debian Lenny amd64 under VMware 2.0.2 on Windows7 hostm using a Writable
DVD-RW drive. The drive is configured to be directly accessed to the
Linux client, not via ATAPI emulation.
If I use kernel 2.6.26-2-amd64 growisofs works.
If I upgrade kernel to .32 via Backports, or distupgrade to Squeeze
growisofs not more works.
It does not recognize the DCD-drive any more as capable to write a DVD.
The error message printed is:
":-( /dev/dvdrw: media is not recognized as recordable DVD: 0"
Several good media tried, but no joy.
When I googled this, I found numerous Ubuntu posters, so it must have
been around with the newer kernel for some time.
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