[systemd-bugs] [Bug 52309] regression: udev path-id plugin does not work for mmc cards anymore

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Fri Jul 20 13:27:13 PDT 2012


https://bugs.freedesktop.org/show_bug.cgi?id=52309

--- Comment #2 from Enrico Scholz <enrico.scholz at sigma-chemnitz.de> 2012-07-20 13:27:13 PDT ---
The kernel device name does not identify the physical device but depends on
random events.

E.g. I have a platform with two sdhci controllers with different purposes. 
First slot is an external slot while second one is internal with a
non-removable card.

When there is a card in the external slot at boot, the non-removable card is
named 'mmcblk1'; without the external card it is 'mmcblk0'.  Vice versa for the
external card.

Mounting the correct card requires knowledge about physical position which
worked fine previously with the /dev/disk/by-path symlink.

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