Initially we thought we were hit by https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1910201
But it looks like some patches are already in focal GA kernel like https://kernel.ubuntu.com/git/ubuntu/ubuntu-focal.git/commit/?id=d256617be44956fe4f048295a71b31d44d9104d9 -- 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/1916610 Title: MAAS booting with ga-20.04 kernel results in nvme bcache device can't be registered Status in MAAS: New Status in linux package in Ubuntu: Incomplete Bug description: [ 274.743265] cloud-init[3738]: Traceback (most recent call last): [ 274.759256] cloud-init[3738]: File "/curtin/curtin/commands/main.py", line 202, in main [ 274.779262] cloud-init[3738]: ret = args.func(args) [ 274.795270] cloud-init[3738]: File "/curtin/curtin/log.py", line 97, in wrapper [ 274.811254] cloud-init[3738]: return log_time("TIMED %s: " % msg, func, *args, **kwargs) [ 274.831256] cloud-init[3738]: File "/curtin/curtin/log.py", line 79, in log_time [ 274.847264] cloud-init[3738]: return func(*args, **kwargs) [ 274.863256] cloud-init[3738]: File "/curtin/curtin/commands/block_meta.py", line 111, in block_meta [ 274.883256] cloud-init[3738]: return meta_custom(args) [ 274.899263] cloud-init[3738]: File "/curtin/curtin/commands/block_meta.py", line 1911, in meta_custom [ 274.919265] cloud-init[3738]: handler(command, storage_config_dict) [ 274.935255] cloud-init[3738]: File "/curtin/curtin/commands/block_meta.py", line 1652, in bcache_handler [ 274.955255] cloud-init[3738]: bcache_dev = bcache.create_backing_device(backing_device, cache_device, [ 274.975255] cloud-init[3738]: File "/curtin/curtin/block/bcache.py", line 479, in create_backing_device [ 274.995261] cloud-init[3738]: ensure_bcache_is_registered(backing_device, target_sysfs_path) [ 275.015257] cloud-init[3738]: File "/curtin/curtin/block/bcache.py", line 436, in ensure_bcache_is_registered [ 275.035254] cloud-init[3738]: raise RuntimeError("bcache device %s can't be registered" % [ 275.055257] cloud-init[3738]: RuntimeError: bcache device /dev/nvme1n1 can't be registered [ 275.075255] cloud-init[3738]: bcache device /dev/nvme1n1 can't be registered Full log of the boot/error: https://pastebin.canonical.com/p/ggNDCwCtGq/ Booting with hwe-20.04 works. To manage notifications about this bug go to: https://bugs.launchpad.net/maas/+bug/1916610/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
