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 1741394
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
** Tags added: eoan
--
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/1741394
Title:
[Feature] Crystal Ridge - get DAX working with XFS realtime devices
Status in intel:
Triaged
Status in linux package in Ubuntu:
Incomplete
Bug description:
Description
Thus far we haven't had a compelling reason to spend our time making
sure DAX is working properly with XFS realtime devices, but according
to some comments on IRC, Darrick Wong is trying it and it isn't
working:
<djwong> now i run into the problem that if the data device doesn't support
dax then we refuse to enable it on the rt device
<djwong> ...also, if the datadev supports it but the rtdev does not, creating
a dax rt file blow sup
<djwong> "pwrite: Operation not supported"
<djwong> mmap write just Bus errors
• djwong discovers __bdev_dax_supported(), wonders why it takes a struct
super_block * and not a struct block_device *
<djwong> i guess the answer is that xfs_fs_fill_super should only disable dax
if none of the devices support it, and we should only set S_DAX if
blk_queue_dax(whichever device the file is on)
Fix this and get DAX + realtime devices working.
Target Kernel: TBD
Target Release: 19.10
To manage notifications about this bug go to:
https://bugs.launchpad.net/intel/+bug/1741394/+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
