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Le 11/04/2010 08:34, Andrew Junev a écrit :
>> I just checked on my other machine (mythbackend), symlinks are always
>> there - no matter if the disc is in the drive or not.
>
>> So the fact that symlinks disappear is probably somehow related to my
>> automount problem. I tried reinstalling udev (just in case...) - it
>> didn't help... What else shall I try?
>
>
> I gave up and reinstalled the system. I then ran 'yum update' and also
> installed MythTV from rpmfusion. Then I checked if automount works -
> and it didn't! It is the same behavior with symlinks disappearing
> when inserting a disc.
>
> Now, which process is responsible for creating/maintaining these
> symlinks? Is there any way to check what is the reason for such
> "decisions" made by the process?
I think it is udev. There is another thread on the same subject....
You sent your udev persistent-cd.rules file, but it is a little bit
confusing.
How many physical drives have you?
It seems that the same drive has 2 different "pci addresses":
# DVD-RW_DVR-111 (pci-0000:03:00.1-scsi-0:0:0:0)
and
# DVD-RW_DVR-111 (pci-0000:02:00.0-scsi-0:0:0:0)
Did you try to generate a new one with the command:
udevtest /sys/block/sr0
(keep the old one.... in case)
I have done this on a Dell laptop where the problem occured and here is
the file generated:
# DVD+-RW_GSA-T21N (pci-0000:00:14.1-scsi-0:0:0:0)
SUBSYSTEM=="block", ENV{ID_CDROM}=="?*",
ENV{ID_PATH}=="pci-0000:00:14.1-scsi-0:0:0:0", SYMLINK+="cdrom",
ENV{GENERATED}="1"
SUBSYSTEM=="block", ENV{ID_CDROM}=="?*",
ENV{ID_PATH}=="pci-0000:00:14.1-scsi-0:0:0:0", SYMLINK+="cdrw",
ENV{GENERATED}="1"
SUBSYSTEM=="block", ENV{ID_CDROM}=="?*",
ENV{ID_PATH}=="pci-0000:00:14.1-scsi-0:0:0:0", SYMLINK+="dvd",
ENV{GENERATED}="1"
SUBSYSTEM=="block", ENV{ID_CDROM}=="?*",
ENV{ID_PATH}=="pci-0000:00:14.1-scsi-0:0:0:0", SYMLINK+="dvdrw",
ENV{GENERATED}="1"
Try too, lspci and lshw to get some information about the bus etc.
Hope this help.
- --
François Patte
UFR de mathématiques et informatique
Université Paris Descartes
45, rue des Saints Pères
F-75270 Paris Cedex 06
Tél. +33 (0)1 4286 2145
http://www.math-info.univ-paris5.fr/~patte
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