*** This bug is a duplicate of bug 1765232 ***
https://bugs.launchpad.net/bugs/1765232
4.15.0-19 works OK, 4.15.0-18 is broken.
The problems was introduced in -14 with the following 2 commits:
* 9403a13fd07e blk-mq: simplify queue mapping & schedule with each possisble
CPU
* f0aff9ccc834 genirq/affinity: assign vectors to all possible CPUs
which where reverted in -19:
* 97fda9a81481 Revert "genirq/affinity: assign vectors to all possible CPUs"
* 18a15d75c403 Revert "blk-mq: simplify queue mapping & schedule with each
possisble CPU"
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https://bugs.launchpad.net/bugs/1766577
Title:
4.15.0-15 mdadm: CREATE group disk not found
Status in linux package in Ubuntu:
Incomplete
Status in linux source package in Bionic:
Incomplete
Bug description:
4.15.0-15-generic (buildd@lcy01-amd64-018) producing the following
errors during boot process:
Begin: Waiting for root file system ... Begin: Running /scripts/local-block
... mdadm: CREATE group disk not found
mdadm: No devices listed in conf file were found.
done.
Begin: Running /scripts/local-block ... mdadm: CREATE group disk not found
mdadm: No devices listed in conf file were found.
done.
Begin: Running /scripts/local-block ... mdadm: CREATE group disk not found
mdadm: No devices listed in conf file were found.
done.
...
BusyBox v1.22.1 (Ubuntu 1:1.22.0-15ubuntu1) built-in shell (ash)
Enter 'help' for a list of built-in commands.
(initramfs) [6n
It is a Lenovo SR550, and the 4.15.0-13 was booting properly. (Boot
log attached)
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