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0e1f616
(Get the code!)
Okay let's sum this up. This problem occurs:
Quote:
May 19 10:10:16 richard-desktop kernel: [ 227.338011] device-mapper: table: 254:1: linear: dm-linear: Device lookup failed
May 19 10:10:16 richard-desktop kernel: [ 227.338017] device-mapper: ioctl: error adding target to table
People point to EVMS being installed but this is only causing the problem to become visible, it's not the cause itself of the problem, and removing it only hides the symptoms.
As stated before, I cannot map an unallocated part (not part of any partition) of a disk anymore with dm-linear. This has nothing to do with EVMS at all, although it's exactly the same problem as being experienced with EVMS. The bug is located in the kernel! In use partitions should be locked, but why should a complete device be locked if only certain parts of it are used? This does not make sense.