BTRFS and Nvidia broken on F23

[Patrick O'Callaghan]

On 4 November 2015 at 11:55, Patrick O'Callaghan <pocallaghan at gmail.com>
wrote:

> On 4 November 2015 at 11:16, Michael Schwendt <mschwendt at gmail.com> wrote:
>
>> What does "cat /proc/filesystems" say about btrfs?
>> If it's not listed there, does "modprobe btrfs ; mount /home" work then,
>> at least?
>>
>
> /proc/filesystems does not contain btrfs. Modprobe makes no difference.
>
> 'lsinitrd|grep btrfs' gives no output.
>

"btrfs check" on the device works, however "btrfs dev scan" fails with:

failed to open /dev/btrfs-control

Google turned up
https://btrfs.wiki.kernel.org/index.php/Problem_FAQ#I_get_the_message_.22failed_to_open_.2Fdev.2Fbtrfs-control_skipping_device_registration.22_from_.22btrfs_dev_scan.22

so I did a 'mknod /dev/btrfs-control c 10 234' but the scan still fails,
presumably because the module still isn't loaded, even after rebooting.

poc
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