This bug is missing log files that will aid in diagnosing the problem.
While running an Ubuntu kernel (not a mainline or third-party kernel)
please enter the following command in a terminal window:
apport-collect 1909518
and then change the status of the bug to 'Confirmed'.
If, due to the nature of the issue you have encountered, you are unable
to run this command, please add a comment stating that fact and change
the bug status to 'Confirmed'.
This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
--
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1909518
Title:
bcache register_bdev() error cannot allocate memory
Status in linux package in Ubuntu:
Incomplete
Bug description:
On 20.04(focal) ga-kernel and 18.04 (hwe-kernel). To make.bcache would
fail as below if the back devices are large than 1024G ( 1025 would
fail, but not 1024 ).
[ 727.756453] bcache: register_bdev() error nvme12n1: cannot allocate memory
[ 727.756456] bcache: register_bcache() error : failed to register device
[ 727.756471] bcache: bcache_device_free() bcache device (NULL gendisk)
stopped
There are fix in 5.9 kernel and it can work after install 5.9 kernel
on 20.04. The 5.9 kernel are download it from:
https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.9.16/
The similar bug report can be found at
https://bugzilla.redhat.com/show_bug.cgi?id=1783075.
It might related to back device type. it was tested on "Lenov SR665
Server" and "Intel P4510 4.0TB U.2 NVMe SSD", the caching disk are
"Intel P4800X 375GB U.2 NVMe SSD".
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1909518/+subscriptions
--
Mailing list: https://launchpad.net/~kernel-packages
Post to : [email protected]
Unsubscribe : https://launchpad.net/~kernel-packages
More help : https://help.launchpad.net/ListHelp
