Bug#913119: linux-image-4.18.0-2-amd64: Hangs on lvm raid1
Bug still present with the new 4.18.0-3-amd64 (4.18.20-1).
This morning I've tryed to boot this new kernel version, removing the
workaround given by the following kernel parameters:
scsi_mod.use_blk_mq=0 dm_mod.use_blk_mq=0
The system showed disk hangs in less than 5 hours, and, as in previous
4.17 and 4.18, normal disk activities was restored after some minutes,
without apparent data loss. I experienced two hangs before rebooting,
but one of them didn't produce an oops in dmesg. It was not the first
time I saw an hang without oops: maybe those that can recover in less
than 120 seconds, doesn't produce oopses in dmesg?
And just to be clear, it doesn't seem a bug related to LVM but more
precisely to various types (all?) of LVM RAID. In fact my notebook disk
uses LVM linear volumes and never showed those hangs and oopses.
Cesare.
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