[elrepo] Announcement: EL7 Updated kernel-ml Package Set [6.3.7-1]

[Akemi Yagi]

On Sun, Jun 11, 2023 at 11:14 AM John Pilkington <johnpilk222 at gmail.com> wrote:
>
> On 11/06/2023 16:18, Akemi Yagi wrote:
> > On Sun, Jun 11, 2023 at 4:49 AM John Pilkington <johnpilk222 at gmail.com> wrote:
> >>
> >> On 10/06/2023 01:09, Akemi Yagi wrote:
> >>> Announcing the release of the kernel-ml-6.3.7-1.el7.elrepo package set
> >>> into the EL7 elrepo-kernel repository:
> >>>
> >>> https://elrepo.org/tiki/kernel-ml
> >>>
> >>> The upstream changelog:
> >>>
> >>> https://www.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.7
> >>>
> >>
> >> I have perhaps the world's only mythtv system running under kernel-ml.
> >> It has been going well until this update, after which the frontend was
> >> unable contact the backend, and attempts to kill tha backend also failed.
> >>
> >> It's ok again after switching back to 6.3.6.  I would prefer to stay
> >> there, but could do more tests if I knew what might help.
> >>
> >>    [root at HP_Box john]# journalctl --list-boots
> >> {{{
> >> 25c81226a4ce4515a30dadac1115b735 Wed 2023-05-31 17:33:47 BST—Tue
> >> 2023-06-06 10:40:00 BST
> >>    -3 d11869d35f7c4cb3b075dbcfe8942a9d Tue 2023-06-06 10:40:25 BST—Sat
> >> 2023-06-10 23:11:04 BST
> >>    -2 d909b136b7944574b9dbbcee8aae9fe0 Sat 2023-06-10 23:11:20 BST—Sat
> >> 2023-06-10 23:40:13 BST   *****
> >>    -1 b7b0d1d1b3b8405994015738613406bb Sat 2023-06-10 23:40:49 BST—Sat
> >> 2023-06-10 23:50:27 BST   *****
> >>     0 9ff306e29a5b4167821cb7b8ddf46587 Sat 2023-06-10 23:51:07 BST—Sun
> >> 2023-06-11 12:40:01 BST
> >> }}}
> >>
> >> John P
> >
> > Hi John,
> >
> > As far as I can tell, the kernel config file did not change when going
> > from 6.3.6 to 6.3.7. I wonder what else affected mythtv. This needs
> > some deeper investigation.
> >
> > Akemi
>
>
>
> Hi Akemi, tanks for the response.  There were some python3 updates too,
> but I'm seeing no problems with them after going back to 6.3.6
>
> I thought there might be something here, but again it's ok with 6.3.6
>
> {{{
> [root at HP_Box john]# journalctl -S -2d  | grep -v dracut | grep -C 4
> "does not have any effect anymore"
> Jun 10 23:11:20 HP_Box kernel: Fallback order for Node 0: 0
> Jun 10 23:11:20 HP_Box kernel: Built 1 zonelists, mobility grouping on.
> Total pages: 1011696
> Jun 10 23:11:20 HP_Box kernel: Policy zone: Normal
> Jun 10 23:11:20 HP_Box kernel: Kernel command line:
> BOOT_IMAGE=/vmlinuz-6.3.7-1.el7.elrepo.x86_64 root=/dev/mapper/sl-root
> ro crashkernel=auto vconsole.font=latarcyrheb-sun16 rd.lvm.lv=sl/root
> rd.lvm.lv=sl/swap vconsole.keymap=uk rhgb quiet elevator=deadline
> LANG=en_GB.UTF-8
> Jun 10 23:11:20 HP_Box kernel: Kernel parameter elevator= does not have
> any effect anymore.
>                                 Please use sysfs to set IO scheduler for
> individual devices.
> Jun 10 23:11:20 HP_Box kernel: Unknown kernel command line parameters
> "rhgb BOOT_IMAGE=/vmlinuz-6.3.7-1.el7.elrepo.x86_64 LANG=en_GB.UTF-8",
> will be passed to user space.
> Jun 10 23:11:20 HP_Box kernel: Dentry cache hash table entries: 524288
> (order: 10, 4194304 bytes, linear)
> Jun 10 23:11:20 HP_Box kernel: Inode-cache hash table entries: 262144
> (order: 9, 2097152 bytes, linear)
> --
> Jun 10 23:40:49 HP_Box kernel: Fallback order for Node 0: 0
> Jun 10 23:40:49 HP_Box kernel: Built 1 zonelists, mobility grouping on.
> Total pages: 1011696
> Jun 10 23:40:49 HP_Box kernel: Policy zone: Normal
> Jun 10 23:40:49 HP_Box kernel: Kernel command line:
> BOOT_IMAGE=/vmlinuz-6.3.7-1.el7.elrepo.x86_64 root=/dev/mapper/sl-root
> ro crashkernel=auto vconsole.font=latarcyrheb-sun16 rd.lvm.lv=sl/root
> rd.lvm.lv=sl/swap vconsole.keymap=uk rhgb quiet elevator=deadline
> LANG=en_GB.UTF-8
> Jun 10 23:40:49 HP_Box kernel: Kernel parameter elevator= does not have
> any effect anymore.
>                                 Please use sysfs to set IO scheduler for
> individual devices.
> Jun 10 23:40:49 HP_Box kernel: Unknown kernel command line parameters
> "rhgb BOOT_IMAGE=/vmlinuz-6.3.7-1.el7.elrepo.x86_64 LANG=en_GB.UTF-8",
> will be passed to user space.
> Jun 10 23:40:49 HP_Box kernel: Dentry cache hash table entries: 524288
> (order: 10, 4194304 bytes, linear)
> Jun 10 23:40:49 HP_Box kernel: Inode-cache hash table entries: 262144
> (order: 9, 2097152 bytes, linear)
> --
> Jun 10 23:51:07 HP_Box kernel: Fallback order for Node 0: 0
> Jun 10 23:51:07 HP_Box kernel: Built 1 zonelists, mobility grouping on.
> Total pages: 1011696
> Jun 10 23:51:07 HP_Box kernel: Policy zone: Normal
> Jun 10 23:51:07 HP_Box kernel: Kernel command line:
> BOOT_IMAGE=/vmlinuz-6.3.6-1.el7.elrepo.x86_64 root=/dev/mapper/sl-root
> ro crashkernel=auto vconsole.font=latarcyrheb-sun16 rd.lvm.lv=sl/root
> rd.lvm.lv=sl/swap vconsole.keymap=uk rhgb quiet elevator=deadline
> LANG=en_GB.UTF-8
> Jun 10 23:51:07 HP_Box kernel: Kernel parameter elevator= does not have
> any effect anymore.
>                                 Please use sysfs to set IO scheduler for
> individual devices.
> Jun 10 23:51:07 HP_Box kernel: Unknown kernel command line parameters
> "rhgb BOOT_IMAGE=/vmlinuz-6.3.6-1.el7.elrepo.x86_64 LANG=en_GB.UTF-8",
> will be passed to user space.
> Jun 10 23:51:07 HP_Box kernel: Dentry cache hash table entries: 524288
> (order: 10, 4194304 bytes, linear)
> Jun 10 23:51:07 HP_Box kernel: Inode-cache hash table entries: 262144
> (order: 9, 2097152 bytes, linear)
> [root at HP_Box john]#
>
> }}}
>
> John

It is entirely possible that some kernel source code related to mythtv
has been updated. If that is that case, I have no idea where to
look...

Akemi