It is yet unclear if there is an issue in the userspace tools, hence I
made the sibling bug a dup and added the tools as a task here marked as
incomplete for now.
As I mentioned providing the extra kernel data might help to get the
triaging by the kernel team started.
** Also affects: bcache-tools (Ubuntu)
Importance: Undecided
Status: New
** Changed in: bcache-tools (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1809748
Title:
8k bcache NULL pointer deref on mount / can't boot
Status in bcache-tools package in Ubuntu:
Incomplete
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.
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