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try "lsof /cdrom"? It says the mount point, not the device, might be busy. |
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On 8/16/19 10:23 AM, Helmut Jarausch wrote: |
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> Hi, |
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> |
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> I have a very strange effect on my Gentoo system. |
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> First, I've check that /dev/sr0 points to the correct device (from dmesg) |
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> |
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> For an empty drive I get |
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> |
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> 1 # mount /dev/sr0 /cdrom |
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> mount: /cdrom: /dev/sr0 already mounted or mount point busy. |
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> |
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> 2 # lsof /dev/sr0 |
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> |
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> 3 # umount /dev/sr0 |
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> umount: /dev/sr0: not mounted. |
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> |
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> Does anybody know what's going on here? |
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> |
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> Many thanks for a hint. |
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> |
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> P.S. I have checked this with two physically different drives. |
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> |