[Bug 1944082] [NEW] initramfs-tools: zstd uses too much memory in mkinitramfs

2021-09-19 Thread Ko-Zu
Public bug reported: Changing the default compression method of initramfs to zstd using hardcoded compression flag "-19 -T0" takes 200MB memory in return for 40MB reduction of disk IO. I think it is too much memory usage for some fraction of seconds while booting. The default compression method o

[Bug 1939996] Re: kernel BUG at mm/zswap.c:1275

2021-08-29 Thread Ko-Zu
This happens for me if zswap was enabled with zsmalloc pool. ref: https://www.spinics.net/lists/linux-mm/msg245604.html For 20.04 hwe, this also affects 5.11.0.25 but previous hwe 5.8.0.x were not affected. -- You received this bug notification because you are a member of Ubuntu Bugs, which is s

[Bug 1909822] [NEW] named fails to listen dynamic ipv6 address on startup

2021-01-01 Thread Ko-Zu
Public bug reported: On rebooting up ubuntu 20.04, named detects available ipv6 address assigned via router advertisement but fails to listen on it. `journalctl -b0` shows something like this. ``` Jan 01 15:27:12 cdns named[200]: IPv6 socket API is incomplete; explicitly binding to each IPv6 add

[Bug 1825378] Re: systemd-networkd doesn't set wireguard peer endpoint

2019-05-31 Thread Ko-Zu
Tested with disco-proposed and confirmed this issue has been resolved. # apt list systemd Listing... Done systemd/disco-proposed,now 240-6ubuntu5.1 amd64 [installed] ** Tags removed: verification-needed-disco ** Tags added: verification-done-disco -- You received this bug notification because

[Bug 1825378] Re: systemd-networkd doesn't set wireguard peer endpoint

2019-05-16 Thread Ko-Zu
This issue can be reproduced without remote server. thanks for the brushup. ** Description changed: [impact] systemd does not set endpoints for wireguard interfaces correctly. This makes wireguard unusable. [test case] install a disco or eoan system and set up a wireguard inte

[Bug 1828438] Re: btrfs memory leak on bionic

2019-05-09 Thread Ko-Zu
** Description changed: On bionic kernel with btrfs mounted, kernfs_node_cache grows constantly. About 7MB/hour of unreclaimable memory growth was observed on my x86_64 system with btrfs root partition, kernel 4.15.0-48-generic #51-Ubuntu SMP Wed Apr 3 08:28:49 UTC 2019 x86_64 x86_64 x8

[Bug 1828438] [NEW] btrfs memory leak on bionic

2019-05-09 Thread Ko-Zu
Public bug reported: On bionic kernel with btrfs mounted, kernfs_node_cache grows constantly. About 7MB/hour of unreclaimable memory growth was observed on my x86_64 system with btrfs root partition, kernel 4.15.0-48-generic #51-Ubuntu SMP Wed Apr 3 08:28:49 UTC 2019 x86_64 x86_64 x86_64 GNU/Linu

[Bug 1825378] Re: systemd-networkd doesn't set wireguard peer endpoint

2019-04-25 Thread Ko-Zu
** Tags added: regression -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1825378 Title: systemd-networkd doesn't set wireguard peer endpoint To manage notifications about this bug go to: https://bug

[Bug 1825378] [NEW] systemd-networkd doesn't set wireguard peer endpoint

2019-04-18 Thread Ko-Zu
Public bug reported: systemd/disco 240 shipped with Ubuntu 19.04 beta does not set endpoints for [WireguradPeer] properly. This regression was introduced in v241 and merged into v240. systemd 241 doesn't set wireguard peer endpoint https://github.com/systemd/systemd/issues/11579 Revert of the re

[Bug 1799927] [NEW] btrfs-progs: regression preventing send -p with subvolumes mounted on "/"

2018-10-25 Thread Ko-Zu
Public bug reported: btrfs-prog v4.16.x shipped with Ubuntu 18.10 cosmic has a regression that prevent incremental backup between subvolumes which have parent subvolume mounted on "/". Ubuntu installer allows btrfs as install root and makes subvolume "@". `do-release-upgrade` makes snapshots "@a