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sr0 not found.

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LTL
Posts: 41
Joined: 2018-06-06 01:03
Location: Sacramento, California

sr0 not found.

#1 Post by LTL »

Hello,
My DVD was working fine couple weeks ago, it just stopped working. Here, the steps I have tried to solve the problem:
Screenshot_dev_sr0 .png
Screenshot_dev_sr0 .png (66.37 KiB) Viewed 1127 times
Please help to make it works again. Thank you very much.
Best regards,

bin
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Re: sr0 not found.

#2 Post by bin »

Reseat the drive and or cables.
Replace the drive.

LTL
Posts: 41
Joined: 2018-06-06 01:03
Location: Sacramento, California

Re: sr0 not found.

#3 Post by LTL »

bin wrote: 2022-10-07 04:47 Reseat the drive and or cables.
Replace the drive.
Thank you for your response, but there is nothing wrong with the drive or cable since windows O.S. recognizing it.
Snapshot.png
Snapshot.png (78.28 KiB) Viewed 1075 times

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NorthEast
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Re: sr0 not found.

#4 Post by NorthEast »

Just to check what the kernel sees in relation to the cdrom, you could check in a terminal the output of:

Code: Select all

dmesg | grep -i cdrom
ls -al /proc/sys/dev/cdrom
If the kernel sees the cdrom, an output should appear from the dmesg, and the ls command. You might need to run dmesg as root.

p.H
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Re: sr0 not found.

#5 Post by p.H »

If the DVD drive is PATA or SATA, kernel messages containing "ata" or "sd" may help too.

LTL
Posts: 41
Joined: 2018-06-06 01:03
Location: Sacramento, California

Re: sr0 not found.

#6 Post by LTL »

NorthEast wrote: 2022-10-08 22:02 Just to check what the kernel sees in relation to the cdrom, you could check in a terminal the output of:

Code: Select all

dmesg | grep -i cdrom
ls -al /proc/sys/dev/cdrom
If the kernel sees the cdrom, an output should appear from the dmesg, and the ls command. You might need to run dmesg as root.
Thanks, but nothing works.
Screenshot from 2022-10-08 20-47-54.png
Screenshot from 2022-10-08 20-47-54.png (29.01 KiB) Viewed 1043 times

bin
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Re: sr0 not found.

#7 Post by bin »

LTL wrote: 2022-10-08 18:47
bin wrote: 2022-10-07 04:47 Reseat the drive and or cables.
Replace the drive.
Thank you for your response, but there is nothing wrong with the drive or cable since windows O.S. recognizing it.
Snapshot.png
In that case, please click the arrow next to the entry to show show the content of that section as there seems to be a problem identifying the drive and the way it connects to your system.

LTL
Posts: 41
Joined: 2018-06-06 01:03
Location: Sacramento, California

Re: sr0 not found.

#8 Post by LTL »

bin wrote: 2022-10-09 06:09
LTL wrote: 2022-10-08 18:47
bin wrote: 2022-10-07 04:47 Reseat the drive and or cables.
Replace the drive.
Thank you for your response, but there is nothing wrong with the drive or cable since windows O.S. recognizing it.
Snapshot.png
In that case, please click the arrow next to the entry to show show the content of that section as there seems to be a problem identifying the drive and the way it connects to your system.
Here, the content of DVD section:
Snapshot1.png
Snapshot1.png (80.36 KiB) Viewed 1014 times
Thank you very much for your helps.

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NorthEast
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Re: sr0 not found.

#9 Post by NorthEast »

If the kernel cannot see the dvd drive, there is little the user can do to have it work. I note that it's a rather old drive whose MS driver was apparently released in 2006, according to:
https://www.pcmatic.com/company/librari ... GUD1N.html
It was revised in 2013. The generic linux driver usually covers most older dvd units in my experience, and I've been through a few of them over decades. My own approach is to replace drives that show these sort of frustrating behaviours. YMMV.

bin
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Re: sr0 not found.

#10 Post by bin »

LTL wrote: 2022-10-08 18:47 Thank you for your response, but there is nothing wrong with the drive or cable since windows O.S. recognizing it.
Snapshot.png
If you are able to boot windows on the machine I assume you have tested the drive in Windows. If so, and it works then it is a different problem, but you have not mentioned that.

If the drive used to work and now it does not then SOP in such a situation is to reseat the cables, test and if still bad, swap out the drive.

LTL
Posts: 41
Joined: 2018-06-06 01:03
Location: Sacramento, California

Re: sr0 not found.

#11 Post by LTL »

NorthEast wrote: 2022-10-09 21:29 If the kernel cannot see the dvd drive, there is little the user can do to have it work. I note that it's a rather old drive whose MS driver was apparently released in 2006, according to:
https://www.pcmatic.com/company/librari ... GUD1N.html
It was revised in 2013. The generic linux driver usually covers most older dvd units in my experience, and I've been through a few of them over decades. My own approach is to replace drives that show these sort of frustrating behaviours. YMMV.
Thanks, you are correct. Now, I use the usb external DVD drive. It's very easy to use, almost no need to setup anything.

Code: Select all

loc@debian:~$ ls -l /dev/cdrom
lrwxrwxrwx 1 root root 3 Oct 11 15:10 /dev/cdrom -> sr0
loc@debian:~$ 

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