This may be a regression introduced by this commit:
commit 20bd1d026aacc5399464f8328f305985c493cde3
Author: Jeremy Cline <[email protected]>
Date: Tue Mar 6 21:47:32 2018 +0000
scsi: sd: Keep disk read-only when re-reading partition
If the read-only flag is true on a SCSI disk, re-reading the partition
table sets the flag back to false.
To observe this bug, you can run:
1. blockdev --setro /dev/sda
2. blockdev --rereadpt /dev/sda
3. blockdev --getro /dev/sda
This commit reads the disk's old state and combines it with the device
disk-reported state rather than unconditionally marking it as RW.
Reported-by: Li Ning <[email protected]>
Signed-off-by: Jeremy Cline <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
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https://bugs.launchpad.net/bugs/1823346
Title:
SD card stays locked even when unlocked
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