Kernel panics after 6.8.8-2-pve upgrade

V

vincent2

Active Member
Jan 4, 2019
13
4
43
32
Hi,

I've upgraded (dist-upgrade) to PVE 8.2.4 today that comes with kernel 6.8.8-2-pve. After a reboot that I always perform after PVE dist-upgrade, PVE didn't come back up. I hooked it up to my TV (HDMI) and noticed that the only messages visible were:

Code: 
Booting Proxmox VE GNU/Linux
Loading Linux 6.8.8-2-pve ...
Loading initial ramdisk ...

Found volume group "pve" using metadata type lvm 32 logical volune(s) in volume group "pve" now active
/dev/mapper/pue-root: recovering journal
/dev/mapper/pue-root: clean, 112422/3932160 files, 8756405/15728640

after which the screen turned black. Not a good sign. I booted the previous kernel (6.5.13-5-pve) via advanced boot options and pinned that kernel now using proxmox-boot-tool kernel pin 6.5.13-5-pve. Now the system is functional again, but may become unstable again in a next dist-upgrade.

I exported the logs using journalctl and noticed the following kernel panics while booting the 6.8.8-2-pve kernel:

Code: 
Jun 29 14:49:14 pve pve-guests[1784]: <root@pam> starting task UPID:pve:000006F9:00000699:668002CA:qmstart:200:root@pam:
Jun 29 14:49:14 pve pve-guests[1785]: start VM 200: UPID:pve:000006F9:00000699:668002CA:qmstart:200:root@pam:
Jun 29 14:49:14 pve kernel: Console: switching to colour dummy device 80x25
Jun 29 14:49:14 pve kernel: i915 0000:00:02.0: MDEV: Unregistering
Jun 29 14:49:16 pve kernel: platform INT3515:01: deferred probe pending: Serial bus multi instantiate pseudo device driver: Error creating i2c-client, idx 0
Jun 29 14:49:18 pve chronyd[1527]: Selected source 185.51.192.62 (2.debian.pool.ntp.org)
Jun 29 14:49:18 pve chronyd[1527]: System clock TAI offset set to 37 seconds
Jun 29 14:49:22 pve kernel: BUG: kernel NULL pointer dereference, address: 0000000000000038
Jun 29 14:49:22 pve kernel: #PF: supervisor read access in kernel mode
Jun 29 14:49:22 pve kernel: #PF: error_code(0x0000) - not-present page
Jun 29 14:49:22 pve kernel: PGD 0 P4D 0
Jun 29 14:49:22 pve kernel: Oops: 0000 [#1] PREEMPT SMP NOPTI
Jun 29 14:49:22 pve kernel: CPU: 3 PID: 1806 Comm: kvm Tainted: P           O       6.8.8-2-pve #1
Jun 29 14:49:22 pve kernel: Hardware name: Gigabyte Technology Co., Ltd. Z490M/Z490M, BIOS F2 03/26/2020
Jun 29 14:49:22 pve kernel: RIP: 0010:__memcg_slab_post_alloc_hook+0x9e/0x230
Jun 29 14:49:22 pve kernel: Code: 03 05 4e eb 69 01 48 8b 50 08 49 89 c6 f6 c2 01 0f 85 75 01 00 00 0f 1f 44 00 00 49 8b 06 f6 c4 08 b8 00 00 00 00 4c 0f 44 f0 <49> 8b 46 38 48 83 f8 03 77 20 8b 55 c4 31 c9 4c 89 fe 4c 89 f7 e8
Jun 29 14:49:22 pve kernel: RSP: 0018:ffffad3a010038f8 EFLAGS: 00010246
Jun 29 14:49:22 pve kernel: RAX: 0000000000000000 RBX: ffff8aee180ea780 RCX: 0000000000000001
Jun 29 14:49:22 pve kernel: RDX: dead000000000100 RSI: ffff8aee03eec240 RDI: 0000000000000cc0
Jun 29 14:49:22 pve kernel: RBP: ffffad3a01003940 R08: ffffad3a01003970 R09: 0000000000000000
Jun 29 14:49:22 pve kernel: R10: ffff8aee180ea780 R11: 0000000000000000 R12: ffff8aee03eec240
Jun 29 14:49:22 pve kernel: R13: 0000000000000000 R14: 0000000000000000 R15: ffff8aee001fd500
Jun 29 14:49:22 pve kernel: FS:  00007be436c9f300(0000) GS:ffff8af59f180000(0000) knlGS:0000000000000000
Jun 29 14:49:22 pve kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Jun 29 14:49:22 pve kernel: CR2: 0000000000000038 CR3: 000000013c1e2002 CR4: 00000000003726f0
Jun 29 14:49:22 pve kernel: Call Trace:
Jun 29 14:49:22 pve kernel:  <TASK>
Jun 29 14:49:22 pve kernel:  ? show_regs+0x6d/0x80
Jun 29 14:49:22 pve kernel:  ? __die+0x24/0x80
Jun 29 14:49:22 pve kernel:  ? page_fault_oops+0x176/0x500
Jun 29 14:49:22 pve kernel:  ? do_user_addr_fault+0x2f9/0x6b0
Jun 29 14:49:22 pve kernel:  ? exc_page_fault+0x83/0x1b0
Jun 29 14:49:22 pve kernel:  ? asm_exc_page_fault+0x27/0x30
Jun 29 14:49:22 pve kernel:  ? __memcg_slab_post_alloc_hook+0x9e/0x230
Jun 29 14:49:22 pve kernel:  kmem_cache_alloc_lru+0x3b9/0x420
Jun 29 14:49:22 pve kernel:  ? __d_alloc+0x34/0x250
Jun 29 14:49:22 pve kernel:  __d_alloc+0x34/0x250
Jun 29 14:49:22 pve kernel:  d_alloc+0x1a/0x90
Jun 29 14:49:22 pve kernel:  d_alloc_parallel+0x5a/0x3e0
Jun 29 14:49:22 pve kernel:  ? generic_permission+0x39/0x240
Jun 29 14:49:22 pve kernel:  __lookup_slow+0x5c/0x130
Jun 29 14:49:22 pve kernel:  lookup_one_len+0xa3/0xb0
Jun 29 14:49:22 pve kernel:  start_creating.part.0+0x89/0x1a0
Jun 29 14:49:22 pve kernel:  __debugfs_create_file+0x97/0x230
Jun 29 14:49:22 pve kernel:  debugfs_create_file+0x29/0x40
Jun 29 14:49:22 pve kernel:  kvm_dev_ioctl+0x7e0/0xa20 [kvm]
Jun 29 14:49:22 pve kernel:  __x64_sys_ioctl+0xa0/0xf0
Jun 29 14:49:22 pve kernel:  x64_sys_call+0xa68/0x24b0
Jun 29 14:49:22 pve kernel:  do_syscall_64+0x81/0x170
Jun 29 14:49:22 pve kernel:  ? __x64_sys_ioctl+0xbb/0xf0
Jun 29 14:49:22 pve kernel:  ? kvm_vm_ioctl_check_extension_generic+0x54/0x220 [kvm]
Jun 29 14:49:22 pve kernel:  ? kvm_dev_ioctl+0x31a/0xa20 [kvm]
Jun 29 14:49:22 pve kernel:  ? do_syscall_64+0x8d/0x170
Jun 29 14:49:22 pve kernel:  ? __x64_sys_ioctl+0xbb/0xf0
Jun 29 14:49:22 pve kernel:  ? syscall_exit_to_user_mode+0x89/0x260
Jun 29 14:49:22 pve kernel:  ? do_syscall_64+0x8d/0x170
Jun 29 14:49:22 pve kernel:  ? syscall_exit_to_user_mode+0x89/0x260
Jun 29 14:49:22 pve kernel:  ? do_syscall_64+0x8d/0x170
Jun 29 14:49:22 pve kernel:  ? __count_memcg_events+0x6f/0xe0
Jun 29 14:49:22 pve kernel:  ? count_memcg_events.constprop.0+0x2a/0x50
Jun 29 14:49:22 pve kernel:  ? handle_mm_fault+0xad/0x380
Jun 29 14:49:22 pve kernel:  ? do_user_addr_fault+0x343/0x6b0
Jun 29 14:49:22 pve kernel:  ? irqentry_exit_to_user_mode+0x7e/0x260
Jun 29 14:49:22 pve kernel:  ? irqentry_exit+0x43/0x50
Jun 29 14:49:22 pve kernel:  ? clear_bhb_loop+0x15/0x70
Jun 29 14:49:22 pve kernel:  ? clear_bhb_loop+0x15/0x70
Jun 29 14:49:22 pve kernel:  ? clear_bhb_loop+0x15/0x70
Jun 29 14:49:22 pve kernel:  entry_SYSCALL_64_after_hwframe+0x78/0x80
Jun 29 14:49:22 pve kernel: RIP: 0033:0x7be44198cc5b
Jun 29 14:49:22 pve kernel: Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00
Jun 29 14:49:22 pve kernel: RSP: 002b:00007fff2684a940 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
Jun 29 14:49:22 pve kernel: RAX: ffffffffffffffda RBX: 000000000000ae01 RCX: 00007be44198cc5b
Jun 29 14:49:22 pve kernel: RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 000000000000000b
Jun 29 14:49:22 pve kernel: RBP: 0000000000000000 R08: 00007be441a61c68 R09: 00000006194b09f2
Jun 29 14:49:22 pve kernel: R10: 0000000000000000 R11: 0000000000000246 R12: 00006194b0777790
Jun 29 14:49:22 pve kernel: R13: 00006194aebef54a R14: 0000000000000000 R15: 00006194aebed31f
Jun 29 14:49:22 pve kernel:  </TASK>
Jun 29 14:49:22 pve kernel: Modules linked in: ebtable_filter ebtables ip6table_raw ip6t_REJECT nf_reject_ipv6 ip6table_filter ip6_tables iptable_raw xt_NFLOG xt_limit xt_mac ipt_REJECT nf_reject_ipv4 xt_set xt_physdev xt_addrtype xt_multiport xt_conntrack nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 xt_comment xt_tcpudp xt_mark iptable_filter ip_set_hash_net ip_set scsi_transport_iscsi nf_tables bluetooth ecdh_generic ecc msr softdog binfmt_misc bonding tls nfnetlink_log nfnetlink intel_rapl_msr intel_rapl_common intel_uncore_frequency intel_uncore_frequency_common intel_tcc_cooling vhost_net vhost x86_pkg_temp_thermal vhost_iotlb tap intel_powerclamp kvmgt coretemp mdev kvm_intel crct10dif_pclmul polyval_clmulni polyval_generic ghash_clmulni_intel sha256_ssse3 sha1_ssse3 mei_pxp mei_hdcp aesni_intel crypto_simd zfs(PO) cryptd cmdlinepart intel_pmc_core rapl spi_nor intel_vsec joydev mei_me input_leds pmt_telemetry intel_cstate pcspkr gigabyte_wmi wmi_bmof intel_wmi_thunderbolt mtd ee1004 mei intel_pch_thermal serial_multi_instantiate
Jun 29 14:49:22 pve kernel:  spl(O) pmt_class acpi_tad acpi_pad mac_hid i915 drm_buddy ttm drm_display_helper cec rc_core i2c_algo_bit kvm nfsd auth_rpcgss vfio_pci nfs_acl vfio_pci_core lockd irqbypass grace vfio_iommu_type1 vfio iommufd sunrpc efi_pstore dmi_sysfs ip_tables x_tables autofs4 btrfs blake2b_generic xor raid6_pq hid_generic usbkbd usbhid hid dm_thin_pool dm_persistent_data dm_bio_prison dm_bufio libcrc32c xhci_pci xhci_pci_renesas i2c_i801 spi_intel_pci crc32_pclmul e1000e xhci_hcd ahci spi_intel i2c_smbus libahci video wmi pinctrl_cannonlake
Jun 29 14:49:22 pve kernel: CR2: 0000000000000038
Jun 29 14:49:22 pve kernel: ---[ end trace 0000000000000000 ]---
Jun 29 14:49:22 pve kernel: RIP: 0010:__memcg_slab_post_alloc_hook+0x9e/0x230
Jun 29 14:49:22 pve kernel: Code: 03 05 4e eb 69 01 48 8b 50 08 49 89 c6 f6 c2 01 0f 85 75 01 00 00 0f 1f 44 00 00 49 8b 06 f6 c4 08 b8 00 00 00 00 4c 0f 44 f0 <49> 8b 46 38 48 83 f8 03 77 20 8b 55 c4 31 c9 4c 89 fe 4c 89 f7 e8
Jun 29 14:49:22 pve kernel: RSP: 0018:ffffad3a010038f8 EFLAGS: 00010246
Jun 29 14:49:22 pve kernel: RAX: 0000000000000000 RBX: ffff8aee180ea780 RCX: 0000000000000001
Jun 29 14:49:22 pve kernel: RDX: dead000000000100 RSI: ffff8aee03eec240 RDI: 0000000000000cc0
Jun 29 14:49:22 pve kernel: RBP: ffffad3a01003940 R08: ffffad3a01003970 R09: 0000000000000000
Jun 29 14:49:22 pve kernel: R10: ffff8aee180ea780 R11: 0000000000000000 R12: ffff8aee03eec240
Jun 29 14:49:22 pve kernel: R13: 0000000000000000 R14: 0000000000000000 R15: ffff8aee001fd500
Jun 29 14:49:22 pve kernel: FS:  00007be436c9f300(0000) GS:ffff8af59f180000(0000) knlGS:0000000000000000
Jun 29 14:49:22 pve kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Jun 29 14:49:22 pve kernel: CR2: 0000000000000038 CR3: 000000013c1e2002 CR4: 00000000003726f0
Jun 29 14:49:22 pve kernel: note: kvm[1806] exited with irqs disabled
Jun 29 14:49:35 pve systemd[1]: systemd-fsckd.service: Deactivated successfully.
Jun 29 14:49:35 pve kernel: general protection fault, probably for non-canonical address 0x723d61479d627007: 0000 [#2] PREEMPT SMP NOPTI
Jun 29 14:49:35 pve kernel: CPU: 3 PID: 1861 Comm: ip6tables-save Tainted: P      D    O       6.8.8-2-pve #1
Jun 29 14:49:35 pve kernel: Hardware name: Gigabyte Technology Co., Ltd. Z490M/Z490M, BIOS F2 03/26/2020
Jun 29 14:49:35 pve kernel: RIP: 0010:kmem_cache_alloc_lru+0xd9/0x420
Jun 29 14:49:35 pve kernel: Code: 50 08 48 83 78 10 00 48 8b 38 0f 84 5c 02 00 00 48 85 ff 0f 84 53 02 00 00 41 8b 46 28 49 8b 9e b8 00 00 00 49 8b 36 48 01 f8 <48> 33 18 48 89 c1 48 89 f8 48 0f c9 48 31 cb 48 8d 8a 00 20 00 00
Jun 29 14:49:35 pve kernel: RSP: 0018:ffffad3a0607f9e0 EFLAGS: 00010202
Jun 29 14:49:35 pve kernel: RAX: 723d61479d627007 RBX: 66132e8df6a0c419 RCX: 0000000000000000
Jun 29 14:49:35 pve kernel: RDX: 0000000003b52003 RSI: 000000000003d100 RDI: 723d61479d626fa7
Jun 29 14:49:35 pve kernel: RBP: ffffad3a0607fa40 R08: 0000000000000000 R09: 0000000000000000
Jun 29 14:49:35 pve kernel: R10: ffff8aee004483c0 R11: ffffffffcec9c7ce R12: 0000000000000cc0
Jun 29 14:49:35 pve kernel: R13: ffff8aee03eec680 R14: ffff8aee001fd500 R15: 0000000000000cc0
Jun 29 14:49:35 pve kernel: FS:  00007444cec41b80(0000) GS:ffff8af59f180000(0000) knlGS:0000000000000000
Jun 29 14:49:35 pve kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Jun 29 14:49:35 pve kernel: CR2: 00005dc74676c008 CR3: 0000000109ba8005 CR4: 00000000003726f0
Jun 29 14:49:35 pve kernel: Call Trace:
Jun 29 14:49:35 pve kernel:  <TASK>
Jun 29 14:49:35 pve kernel:  ? show_regs+0x6d/0x80
Jun 29 14:49:35 pve kernel:  ? die_addr+0x37/0xa0
Jun 29 14:49:35 pve kernel:  ? exc_general_protection+0x1db/0x480
Jun 29 14:49:35 pve kernel:  ? asm_exc_general_protection+0x27/0x30
Jun 29 14:49:35 pve kernel:  ? kmem_cache_alloc_lru+0xd9/0x420
Jun 29 14:49:35 pve kernel:  ? __d_alloc+0x34/0x250
Jun 29 14:49:35 pve kernel:  __d_alloc+0x34/0x250
Jun 29 14:49:35 pve kernel:  d_alloc+0x1a/0x90
Jun 29 14:49:35 pve kernel:  d_alloc_parallel+0x5a/0x3e0
Jun 29 14:49:35 pve kernel:  ? sprintf+0x5e/0x90
Jun 29 14:49:35 pve kernel:  __lookup_slow+0x5c/0x130
Jun 29 14:49:35 pve kernel:  walk_component+0x117/0x190
Jun 29 14:49:35 pve kernel:  ? inode_permission+0x74/0x1b0
Jun 29 14:49:35 pve kernel:  link_path_walk.part.0.constprop.0+0x245/0x3c0
Jun 29 14:49:35 pve kernel:  ? path_init+0x298/0x3d0
Jun 29 14:49:35 pve kernel:  path_openat+0xaf/0x1190
Jun 29 14:49:35 pve kernel:  ? __memcg_slab_post_alloc_hook+0x18e/0x230
Jun 29 14:49:35 pve kernel:  ? __mod_memcg_lruvec_state+0x87/0x140
Jun 29 14:49:35 pve kernel:  do_filp_open+0xaf/0x170
Jun 29 14:49:35 pve kernel:  ? __pfx_proc_put_link+0x10/0x10
Jun 29 14:49:35 pve kernel:  ? __pfx_kfree_link+0x10/0x10
Jun 29 14:49:35 pve kernel:  do_sys_openat2+0xb3/0xe0
Jun 29 14:49:35 pve kernel:  __x64_sys_openat+0x6c/0xa0
Jun 29 14:49:35 pve kernel:  x64_sys_call+0x189a/0x24b0
Jun 29 14:49:35 pve kernel:  do_syscall_64+0x81/0x170
Jun 29 14:49:35 pve kernel:  ? do_user_addr_fault+0x21e/0x6b0
Jun 29 14:49:35 pve kernel:  ? irqentry_exit_to_user_mode+0x7e/0x260
Jun 29 14:49:35 pve kernel:  ? irqentry_exit+0x43/0x50
Jun 29 14:49:35 pve kernel:  ? clear_bhb_loop+0x15/0x70
Jun 29 14:49:35 pve kernel:  ? clear_bhb_loop+0x15/0x70
Jun 29 14:49:35 pve kernel:  ? clear_bhb_loop+0x15/0x70
Jun 29 14:49:35 pve kernel:  entry_SYSCALL_64_after_hwframe+0x78/0x80
Jun 29 14:49:35 pve kernel: RIP: 0033:0x7444ced3af01
Jun 29 14:49:35 pve kernel: Code: 75 57 89 f0 25 00 00 41 00 3d 00 00 41 00 74 49 80 3d ea 26 0e 00 00 74 6d 89 da 48 89 ee bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 93 00 00 00 48 8b 54 24 28 64 48 2b 14 25
Jun 29 14:49:35 pve kernel: RSP: 002b:00007ffe182784c0 EFLAGS: 00000202 ORIG_RAX: 0000000000000101
Jun 29 14:49:35 pve kernel: RAX: ffffffffffffffda RBX: 0000000000080000 RCX: 00007444ced3af01
Jun 29 14:49:35 pve kernel: RDX: 0000000000080000 RSI: 00007444cee43a96 RDI: 00000000ffffff9c
Jun 29 14:49:35 pve kernel: RBP: 00007444cee43a96 R08: 0000000000000008 R09: 0000000000000001
Jun 29 14:49:35 pve kernel: R10: 0000000000000000 R11: 0000000000000202 R12: 00007444cee43a96
Jun 29 14:49:35 pve kernel: R13: 00005dc745aed93f R14: 0000000000000001 R15: 0000000000000000
Jun 29 14:49:35 pve kernel:  </TASK>
Jun 29 14:49:35 pve kernel: Modules linked in: ebtable_filter ebtables ip6table_raw ip6t_REJECT nf_reject_ipv6 ip6table_filter ip6_tables iptable_raw xt_NFLOG xt_limit xt_mac ipt_REJECT nf_reject_ipv4 xt_set xt_physdev xt_addrtype xt_multiport xt_conntrack nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 xt_comment xt_tcpudp xt_mark iptable_filter ip_set_hash_net ip_set scsi_transport_iscsi nf_tables bluetooth ecdh_generic ecc msr softdog binfmt_misc bonding tls nfnetlink_log nfnetlink intel_rapl_msr intel_rapl_common intel_uncore_frequency intel_uncore_frequency_common intel_tcc_cooling vhost_net vhost x86_pkg_temp_thermal vhost_iotlb tap intel_powerclamp kvmgt coretemp mdev kvm_intel crct10dif_pclmul polyval_clmulni polyval_generic ghash_clmulni_intel sha256_ssse3 sha1_ssse3 mei_pxp mei_hdcp aesni_intel crypto_simd zfs(PO) cryptd cmdlinepart intel_pmc_core rapl spi_nor intel_vsec joydev mei_me input_leds pmt_telemetry intel_cstate pcspkr gigabyte_wmi wmi_bmof intel_wmi_thunderbolt mtd ee1004 mei intel_pch_thermal serial_multi_instantiate
Jun 29 14:49:35 pve kernel:  spl(O) pmt_class acpi_tad acpi_pad mac_hid i915 drm_buddy ttm drm_display_helper cec rc_core i2c_algo_bit kvm nfsd auth_rpcgss vfio_pci nfs_acl vfio_pci_core lockd irqbypass grace vfio_iommu_type1 vfio iommufd sunrpc efi_pstore dmi_sysfs ip_tables x_tables autofs4 btrfs blake2b_generic xor raid6_pq hid_generic usbkbd usbhid hid dm_thin_pool dm_persistent_data dm_bio_prison dm_bufio libcrc32c xhci_pci xhci_pci_renesas i2c_i801 spi_intel_pci crc32_pclmul e1000e xhci_hcd ahci spi_intel i2c_smbus libahci video wmi pinctrl_cannonlake
Jun 29 14:49:35 pve kernel: ---[ end trace 0000000000000000 ]---

I've attached a boot log of both 6.8.8-2-pve (contains mulitple kernel panics/traces) and 6.5.13-5-pve (successful boot).

My system boots up with the following modules added to /etc/modules

Code: 
# Modules required for PCI passthrough
vfio
vfio_iommu_type1
vfio_pci
vfio_virqfd

# Modules required for Intel GVT
kvmgt
exngt
vfio-mdev

Any idea what the issue might be, or how I can further debug this?

Thanks in advance!
 

Attachments

It's good to report kernel bugs and crashes here in the forum, so that others may find it, but according to my experience, to get anywhere I would suggest you open a bug report in the Proxmox bug tracker: https://bugzilla.proxmox.com/ using the Kernel category.

If you would feel comfortable with communicating directly with the kernel developers, write a bug report to the Linux Kernel mailing list. However this might require you to build and test a custom kernel, and most likely to also do a "git bisect" to find out which code change (git commit) exactly caused this bug. This might not be manageable for everyone.

Also, mainline kernel 6.8.x is EOL with 6.8.12 and not supported anymore by the stable maintainers. However if you could demonstrate that this bug reproduces also on a still supported release like 6.9.7, the kernel devs will care and try to fix the bug; and this patch could then be picked up and eventually, if necessary, backported by Proxmox.
 
pschneider1968 said:
Also, mainline kernel 6.8.x is EOL with 6.8.12 and not supported anymore by the stable maintainers. However if you could demonstrate that this bug reproduces also on a still supported release like 6.9.7, the kernel devs will care and try to fix the bug; and this patch could then be picked up and eventually, if necessary, backported by Proxmox.
Click to expand...
proxmox use the ubuntu lts kernel 6.8, so ubuntu do the job to maintain it for the next 3 years.
 
spirit said:
proxmox use the ubuntu lts kernel 6.8, so ubuntu do the job to maintain it for the next 3 years.
Click to expand...
Yes, I know. But will they care if a Proxmox user reports a bug in the PVE kernel? Won't they say that the Proxmox kernel team should look into the issue? It's always best, I think, to get a bug fixed by the kernel developers in the highest stable release where it reproduces, and then the patch can trickle down... The reason I think that is, that I don't know how, or whether at all, the Ubuntu kernel team and the Proxmox kernel team cooperate when it comes to investigating and fixing issues.
 
Last edited:
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