Opt-in Linux 6.2 Kernel for Proxmox VE 7.x available

Yeah,there isn't at the moment.
@ProxmoxTeam : maybe you could post how-to where we can add our own packages/kernels , so that we can somehow respin and add whatever needed. I'm not sure that CUBIC would work atm.
 
Partok said:
Is there an ISO available that includes the 6.2 kernel?
Click to expand...
No currently not. But as we saw some more requests we'll discuss with devs & QA building a variant of the 7.4 ISO with that kernel.

ness1602 said:
Yeah,there isn't at the moment.
@ProxmoxTeam : maybe you could post how-to where we can add our own packages/kernels , so that we can somehow respin and add whatever needed. I'm not sure that CUBIC would work atm.
Click to expand...
You can already install on-top of Debian and respin a Debian ISO for whatever you require as base.
 
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I'd prefer an ISO installer with kernel 6.2 as well. We are running our servers with 6.x kernel. The first step after installing a new node has been to switch to opt-in kernel 6.
Besides that, we are hit by a bug in pve-kernel-5.15.102-1-pve, which leads to a deadlock when using bonds (https://bugzilla.proxmox.com/show_bug.cgi?id=4604). This kernel is used by the proxmox-ve_7.4-1.iso installer. Because our network connection depends on the bond, we can't use version 7.4 to rollout new nodes. The only way to get a new node up and running is to use the previous 7.3 ISO installer and switch to kernel 6.2 right away.
 
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6.2 has been very nice.. Looking forward to 6.3 asap to support the X670 boards for my Ryzen 9 sensors !!!
 
After installation 6.2 kernel, BT device stopped work:
Code: 
Apr 08 10:50:47 proxmox systemd[1195]: Stopped target Bluetooth.
Apr 08 10:50:47 proxmox systemd[1]: Stopped target Bluetooth.
Apr 08 10:50:52 proxmox systemd[1]: systemd-rfkill.service: Succeeded.
Apr 08 10:50:55 proxmox kernel: usb 1-8: reset full-speed USB device number 6 using xhci_hcd
Apr 08 10:50:56 proxmox kernel: usb 1-8: USB disconnect, device number 6
Apr 08 10:50:56 proxmox QEMU[5983]: kvm: libusb_release_interface: -4 [NO_DEVICE]
Apr 08 10:50:56 proxmox QEMU[5983]: kvm: libusb_release_interface: -4 [NO_DEVICE]
Apr 08 10:50:56 proxmox kernel: usb 1-8: new full-speed USB device number 7 using xhci_hcd
Apr 08 10:50:56 proxmox kernel: usb 1-8: New USB device found, idVendor=8087, idProduct=0032, bcdDevice= 0.00
Apr 08 10:50:56 proxmox kernel: usb 1-8: New USB device strings: Mfr=0, Product=0, SerialNumber=0
Apr 08 10:50:56 proxmox kernel: Bluetooth: hci0: Device revision is 0
Apr 08 10:50:56 proxmox kernel: Bluetooth: hci0: Secure boot is enabled
Apr 08 10:50:56 proxmox kernel: Bluetooth: hci0: OTP lock is enabled
Apr 08 10:50:56 proxmox kernel: Bluetooth: hci0: API lock is enabled
Apr 08 10:50:56 proxmox kernel: Bluetooth: hci0: Debug lock is disabled
Apr 08 10:50:56 proxmox kernel: Bluetooth: hci0: Minimum firmware build 1 week 10 2014
Apr 08 10:50:56 proxmox kernel: Bluetooth: hci0: Bootloader timestamp 2019.40 buildtype 1 build 38
Apr 08 10:50:56 proxmox kernel: Bluetooth: hci0: Found device firmware: intel/ibt-0041-0041.sfi
Apr 08 10:50:56 proxmox kernel: Bluetooth: hci0: Boot Address: 0x100800
Apr 08 10:50:56 proxmox kernel: Bluetooth: hci0: Firmware Version: 172-6.23
Apr 08 10:50:56 proxmox systemd[1195]: Reached target Bluetooth.
Apr 08 10:50:56 proxmox systemd[1]: Starting Load/Save RF Kill Switch Status...
Apr 08 10:50:56 proxmox systemd[1]: Reached target Bluetooth.
Apr 08 10:50:56 proxmox systemd[1]: Started Load/Save RF Kill Switch Status.
Apr 08 10:50:58 proxmox kernel: Bluetooth: hci0: Waiting for firmware download to complete
Apr 08 10:50:58 proxmox kernel: Bluetooth: hci0: Firmware loaded in 1518206 usecs
Apr 08 10:50:58 proxmox kernel: Bluetooth: hci0: Waiting for device to boot
Apr 08 10:50:58 proxmox kernel: Bluetooth: hci0: Device booted in 25408 usecs
Apr 08 10:50:58 proxmox kernel: Bluetooth: hci0: Malformed MSFT vendor event: 0x02
Apr 08 10:50:58 proxmox kernel: Bluetooth: hci0: Found Intel DDC parameters: intel/ibt-0041-0041.ddc
Apr 08 10:50:58 proxmox kernel: Bluetooth: hci0: Applying Intel DDC parameters completed
Apr 08 10:50:58 proxmox kernel: Bluetooth: hci0: Firmware timestamp 2023.6 buildtype 1 build 59564
Apr 08 10:51:01 proxmox systemd[1]: systemd-rfkill.service: Succeeded.
Apr 08 10:51:25 proxmox pvedaemon[1185]: <root@pam> successful auth for user 'root@pam'
Apr 08 10:53:25 proxmox pvedaemon[1183]: <root@pam> successful auth for user 'root@pam'
Apr 08 10:55:25 proxmox pve-guests[1228]: <root@pam> end task UPID:proxmox:000004CD:00000564:64311B87:startall::root@pam: OK
Apr 08 10:55:25 proxmox systemd[1]: Finished PVE guests.
Apr 08 10:55:25 proxmox systemd[1]: Starting Proxmox VE scheduler...
Apr 08 10:55:26 proxmox pvescheduler[7540]: starting server
Apr 08 10:55:26 proxmox systemd[1]: Started Proxmox VE scheduler.
Apr 08 10:55:26 proxmox systemd[1]: Reached target Multi-User System.
Apr 08 10:55:26 proxmox systemd[1]: Reached target Graphical Interface.
Apr 08 10:55:26 proxmox systemd[1]: Starting Update UTMP about System Runlevel Changes...
Apr 08 10:55:26 proxmox systemd[1]: systemd-update-utmp-runlevel.service: Succeeded.
Apr 08 10:55:26 proxmox systemd[1]: Finished Update UTMP about System Runlevel Changes.

Please advice how to fix or safely rollback to 5.15.
 
@vgomenyuk
# proxmox-boot-tool kernel list
to see what is available on your system and pick the 5.15.*-pve you want to boot into, latest is 5.15.104-1-pve
# proxmox-boot-tool kernel pin 5.15.104-1-pve

link on the above and how to test future 6.2 kernels without permanently selecting them, --next-boot.
Override the Kernel-Version for next Boot
 
vesalius said:
@vgomenyuk
# proxmox-boot-tool kernel list
to see what is available on your system and pick the 5.15.*-pve you want to boot into, latest is 5.15.104-1-pve
# proxmox-boot-tool kernel pin 5.15.104-1-pve

link on the above and how to test future 6.2 kernels without permanently selecting them, --next-boot.
Override the Kernel-Version for next Boot
Click to expand...
Thanks. BT integration stops work even on 5.15 version. Strange. Interesting how to fix it.
 
t.lamprecht said:
No currently not. But as we saw some more requests we'll discuss with devs & QA building a variant of the 7.4 ISO with that kernel.


You can already install on-top of Debian and respin a Debian ISO for whatever you require as base.
Click to expand...
I would also be interested in a 7.4 ISO with 6.2 kernel. Thank you.
 
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Just FYI, after having tried the opt-in 5.19 kernel some time ago (see https://forum.proxmox.com/threads/o...-proxmox-ve-7-x-available.115090/#post-498817) I now gave the opt-in 6.2 a try.
Behavior seemed to be indentical to my experience with 5.19.
In general it seems OK (like with 5.19), but on my gaming Win 10 VM with GPU pass-through performance is still far worse, than with the compared 5.15.x kernel.
The "preempt=" boot parameters still have the same effect as described before. Regardless of the setting, games show lags every few seconds.
I still could not pin it down to some specific change. However, as before I'll have to stay with 5.15 for now.
 
I have switched from kernel 5.15 to 6.2.9-1 and for some reason a LXC (Alpine 3.17) is maxing out on memory....
On 5.15 kernel the LXC had 512MB working memory and only used about 200-250MB.
But with kernel 6.2.9-1 the same LXC uses (or peaks) at it's maximum 512MB.
Even my Proxmox host crashed as a result, so I set the LXC memory to 1024MB. So far no crashes.

- Is this normal behavior with the new kernel, more memory consumption?
 
Spoonman2002 said:
I have a second Proxmox host with exactly the same LXC running, also new kernel 6.2.1-9 and this has no (memory) issues at all.
Click to expand...
Different CPUs? Some CPU mitigations might have a small overhead, but normally that's on computation, not memory.
 
t.lamprecht said:
Different CPUs? Some CPU mitigations might have a small overhead, but normally that's on computation, not memory.
Click to expand...
Indeed different cpu's, both hosts have 32GB memory.
"problem" host = i5-6500 (HP mini pc)
second host = i5-7200u (Shuttle pc)
 
Last edited:
@t.lamprecht
just had another "freeze" of my Proxmox host.....
So the Alpine lxc had nothing to do with this.

I'm left with two options:
- or the new 6.2.9-1 kernel is the cause (I will now downgrade back to 5.15)
- or the HP BIOS/firmware I did last monday is the cause of the hanging (official HP firmware used).
 
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