cache superblock info - sb.magic ok
sb.first_sector 8 [match]
sb.csum 5A3217E583DB5B86 [match]
sb.version 0 [cache device]
dev.label (empty)
dev.uuid 2a9e0dfd-acd0-4750-85ae-b347d7580e2b
dev.sectors_per_block 16
dev.sectors_per_bucket 1024
dev.cache.first_sector 1024
dev.cache.cache_sectors 209714176
dev.cache.total_sectors 209715200
dev.cache.ordered no
dev.cache.discard no
dev.cache.pos 0
dev.cache.replacement 0 [lru]
cset.uuid 24283111-591b-4fb8-9428-8f5db4cb5a87
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1809748
Title:
8k bcache cache NULL pointer deref on mount / can't boot
Status in linux package in Ubuntu:
Confirmed
Bug description:
After creating a bcache cache device with an 8k block size (see
#1662407), a kernel oops happens every time device is probed.
I'm not sure that there is any userspace bug present in #1662407 at
all - it may just be kernel. I've attached a dmesg there, but can't
actually get into the system at the moment to get apport-collect or
other diagnostics.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1809748/+subscriptions
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