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

[John Pilkington]

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