Activity log for bug #2020607

Date Who What changed Old value New value Message
2023-05-24 02:17:20 Jian Hui Lee bug added bug
2023-05-24 02:18:17 Jian Hui Lee bug task added ubuntu
2023-05-24 02:18:22 Jian Hui Lee bug task deleted ubuntu
2023-05-24 02:19:06 Jian Hui Lee bug task added linux-intel-iotg (Ubuntu)
2023-05-24 02:19:19 Jian Hui Lee nominated for series Ubuntu Jammy
2023-05-24 02:19:19 Jian Hui Lee bug task added linux-intel-iotg (Ubuntu Jammy)
2023-05-24 02:19:34 Jian Hui Lee linux-intel-iotg (Ubuntu): status New Invalid
2023-05-24 02:20:36 Jian Hui Lee description the failure only is seen on the machine rizzo. how to reproduce: 1. run net selftest in the kernel. 2. run ftracetest in the kernel, and then there is a highly chance that causes the kernel oops. the failure only is seen on the machine rizzo. how to reproduce: 1. run net selftest in the kernel. 2. run ftracetest in the kernel, and then there is a highly chance that causes the kernel oops. [13279.176639] BUG: kernel NULL pointer dereference, address: 0000000000000000 [13279.183712] #PF: supervisor instruction fetch in kernel mode [13279.189446] #PF: error_code(0x0010) - not-present page [13279.194654] PGD 0 P4D 0 [13279.197230] Oops: 0010 [#1] SMP PTI [13279.200767] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.15.0-74-generic #81-Ubuntu [13279.208431] Hardware name: Dell Inc. PowerEdge R310/05XKKK, BIOS 1.12.0 09/06/2013 [13279.216100] RIP: 0010:0x0 [13279.218767] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [13279.225721] RSP: 0018:ffff9a1f80003e90 EFLAGS: 00010097 [13279.231013] RAX: 0000000000000000 RBX: 00000000000231f0 RCX: 0000000000000004 [13279.238229] RDX: 0000000000000000 RSI: 0000000000000020 RDI: ffff8bfdc0074280 [13279.245449] RBP: ffff9a1f80003eb8 R08: ffff8bfdc0074280 R09: 0000000000000001 [13279.252673] R10: 0000000000000020 R11: ffffffffffffffff R12: ffff8bfdc0074280 [13279.259900] R13: 00000c13a1cab100 R14: 0000000000000004 R15: 0000000000000000 [13279.267124] FS: 0000000000000000(0000) GS:ffff8bfef7600000(0000) knlGS:0000000000000000 [13279.275317] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [13279.281140] CR2: ffffffffffffffd6 CR3: 000000004a010000 CR4: 00000000000006f0 [13279.288366] Call Trace: [13279.290851] <IRQ> [13279.292902] tick_do_broadcast+0xa1/0xd0 [13279.296894] tick_handle_oneshot_broadcast+0x14d/0x200 [13279.302107] timer_interrupt+0x18/0x30 [13279.305914] __handle_irq_event_percpu+0x42/0x170 [13279.310689] ? timekeeping_advance+0x32a/0x470 [13279.315194] handle_irq_event+0x59/0xb0 [13279.319086] handle_edge_irq+0x8c/0x230 [13279.322976] __common_interrupt+0x52/0xe0 [13279.327045] common_interrupt+0x89/0xa0 [13279.330941] </IRQ> [13279.333079] <TASK> [13279.335211] asm_common_interrupt+0x27/0x40 [13279.339461] RIP: 0010:cpuidle_enter_state+0xd9/0x620 [13279.344501] Code: 3d e4 e1 d8 4a e8 77 cb 67 ff 49 89 c7 0f 1f 44 00 00 31 ff e8 b8 d8 67 ff 80 7d d0 00 0f 85 61 01 00 00 fb 66 0f 1f 44 00 00 <45> 85 f6 0f 88 6d 01 00 00 4d 63 ee 49 83 fd 09 0f 87 e7 03 00 00 [13279.363476] RSP: 0018:ffffffffb6603db8 EFLAGS: 00000246 [13279.368768] RAX: 0000000000000000 RBX: ffff8bfef763b900 RCX: 0000000000000000 [13279.375984] RDX: ffff8bfdc01863c0 RSI: 0000000000000002 RDI: 0000000000000000 [13279.383203] RBP: ffffffffb6603e08 R08: 00000c13cc9b2925 R09: 00000000000c3500 [13279.390423] R10: 0000000000000005 R11: 071c71c71c71c71c R12: ffffffffb68d4b20 [13279.397646] R13: 0000000000000004 R14: 0000000000000004 R15: 00000c13cc9b2925 [13279.404883] ? cpuidle_enter_state+0x24a/0x620 [13279.409389] cpuidle_enter+0x2e/0x50 [13279.413019] cpuidle_idle_call+0x142/0x1e0 [13279.417176] do_idle+0x83/0xf0 [13279.422843] cpu_startup_entry+0x20/0x30 [13279.429360] rest_init+0xd3/0x100 [13279.435396] ? acpi_enable_subsystem+0x21d/0x229 [13279.442594] arch_call_rest_init+0xe/0x23 [13279.449114] start_kernel+0x4a9/0x4ca [13279.455389] x86_64_start_reservations+0x24/0x2a [13279.462619] x86_64_start_kernel+0xfb/0x106 [13279.469328] secondary_startup_64_no_verify+0xc2/0xcb [13279.476844] </TASK> [13279.481553] Modules linked in: br_netfilter tls act_mirred cls_matchall ip6_gre gre ip6_tunnel tunnel6 sch_ingress dummy ip6t_rpfilter mpls_gso mpls_iptunnel mpls_router ip_tunnel esp6 esp4 xfrm_user xfrm_algo l2tp_ip6 l2tp_eth l2tp_ip l2tp_netlink l2tp_core 8021q garp mrp ip6t_REJECT nf_reject_ipv6 ipt_REJECT nf_reject_ipv4 xt_tcpudp sch_etf sch_fq dccp_ipv6 dccp_ipv4 dccp vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf nft_counter nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nft_compat nf_tables nfnetlink algif_hash af_alg veth ipmi_ssif intel_powerclamp coretemp kvm_intel kvm ipmi_si ipmi_devintf binfmt_misc intel_cstate ipmi_msghandler dcdbas acpi_power_meter i7core_edac mac_hid sch_fq_codel dm_multipath scsi_dh_rdac scsi_dh_emc scsi_dh_alua ramoops reed_solomon pstore_blk pstore_zone efi_pstore ip_tables x_tables autofs4 btrfs blake2b_generic zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c [13279.481743] raid1 raid0 multipath linear mgag200 i2c_algo_bit drm_kms_helper gpio_ich syscopyarea sysfillrect sysimgblt fb_sys_fops mpt3sas cec rc_core raid_class drm bnx2 lpc_ich pata_acpi scsi_transport_sas wmi [last unloaded: br_netfilter] [13279.619551] CR2: 0000000000000000 [13279.626035] ---[ end trace f8201db10668ab38 ]--- [13279.665976] RIP: 0010:0x0 [13279.671856] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [13279.681978] RSP: 0018:ffff9a1f80003e90 EFLAGS: 00010097 [13279.690380] RAX: 0000000000000000 RBX: 00000000000231f0 RCX: 0000000000000004 [13279.700720] RDX: 0000000000000000 RSI: 0000000000000020 RDI: ffff8bfdc0074280 [13279.711050] RBP: ffff9a1f80003eb8 R08: ffff8bfdc0074280 R09: 0000000000000001 [13279.721394] R10: 0000000000000020 R11: ffffffffffffffff R12: ffff8bfdc0074280 [13279.731930] R13: 00000c13a1cab100 R14: 0000000000000004 R15: 0000000000000000 [13279.742503] FS: 0000000000000000(0000) GS:ffff8bfef7600000(0000) knlGS:0000000000000000 [13279.753902] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [13279.763030] CR2: ffffffffffffffd6 CR3: 000000004a010000 CR4: 00000000000006f0 [13279.773701] Kernel panic - not syncing: Fatal exception in interrupt [13279.783722] Kernel Offset: 0x33800000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) [13279.819653] ---[ end Kernel panic - not syncing: Fatal exception in interrupt ]---
2023-05-24 02:24:17 Jian Hui Lee description the failure only is seen on the machine rizzo. how to reproduce: 1. run net selftest in the kernel. 2. run ftracetest in the kernel, and then there is a highly chance that causes the kernel oops. [13279.176639] BUG: kernel NULL pointer dereference, address: 0000000000000000 [13279.183712] #PF: supervisor instruction fetch in kernel mode [13279.189446] #PF: error_code(0x0010) - not-present page [13279.194654] PGD 0 P4D 0 [13279.197230] Oops: 0010 [#1] SMP PTI [13279.200767] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.15.0-74-generic #81-Ubuntu [13279.208431] Hardware name: Dell Inc. PowerEdge R310/05XKKK, BIOS 1.12.0 09/06/2013 [13279.216100] RIP: 0010:0x0 [13279.218767] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [13279.225721] RSP: 0018:ffff9a1f80003e90 EFLAGS: 00010097 [13279.231013] RAX: 0000000000000000 RBX: 00000000000231f0 RCX: 0000000000000004 [13279.238229] RDX: 0000000000000000 RSI: 0000000000000020 RDI: ffff8bfdc0074280 [13279.245449] RBP: ffff9a1f80003eb8 R08: ffff8bfdc0074280 R09: 0000000000000001 [13279.252673] R10: 0000000000000020 R11: ffffffffffffffff R12: ffff8bfdc0074280 [13279.259900] R13: 00000c13a1cab100 R14: 0000000000000004 R15: 0000000000000000 [13279.267124] FS: 0000000000000000(0000) GS:ffff8bfef7600000(0000) knlGS:0000000000000000 [13279.275317] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [13279.281140] CR2: ffffffffffffffd6 CR3: 000000004a010000 CR4: 00000000000006f0 [13279.288366] Call Trace: [13279.290851] <IRQ> [13279.292902] tick_do_broadcast+0xa1/0xd0 [13279.296894] tick_handle_oneshot_broadcast+0x14d/0x200 [13279.302107] timer_interrupt+0x18/0x30 [13279.305914] __handle_irq_event_percpu+0x42/0x170 [13279.310689] ? timekeeping_advance+0x32a/0x470 [13279.315194] handle_irq_event+0x59/0xb0 [13279.319086] handle_edge_irq+0x8c/0x230 [13279.322976] __common_interrupt+0x52/0xe0 [13279.327045] common_interrupt+0x89/0xa0 [13279.330941] </IRQ> [13279.333079] <TASK> [13279.335211] asm_common_interrupt+0x27/0x40 [13279.339461] RIP: 0010:cpuidle_enter_state+0xd9/0x620 [13279.344501] Code: 3d e4 e1 d8 4a e8 77 cb 67 ff 49 89 c7 0f 1f 44 00 00 31 ff e8 b8 d8 67 ff 80 7d d0 00 0f 85 61 01 00 00 fb 66 0f 1f 44 00 00 <45> 85 f6 0f 88 6d 01 00 00 4d 63 ee 49 83 fd 09 0f 87 e7 03 00 00 [13279.363476] RSP: 0018:ffffffffb6603db8 EFLAGS: 00000246 [13279.368768] RAX: 0000000000000000 RBX: ffff8bfef763b900 RCX: 0000000000000000 [13279.375984] RDX: ffff8bfdc01863c0 RSI: 0000000000000002 RDI: 0000000000000000 [13279.383203] RBP: ffffffffb6603e08 R08: 00000c13cc9b2925 R09: 00000000000c3500 [13279.390423] R10: 0000000000000005 R11: 071c71c71c71c71c R12: ffffffffb68d4b20 [13279.397646] R13: 0000000000000004 R14: 0000000000000004 R15: 00000c13cc9b2925 [13279.404883] ? cpuidle_enter_state+0x24a/0x620 [13279.409389] cpuidle_enter+0x2e/0x50 [13279.413019] cpuidle_idle_call+0x142/0x1e0 [13279.417176] do_idle+0x83/0xf0 [13279.422843] cpu_startup_entry+0x20/0x30 [13279.429360] rest_init+0xd3/0x100 [13279.435396] ? acpi_enable_subsystem+0x21d/0x229 [13279.442594] arch_call_rest_init+0xe/0x23 [13279.449114] start_kernel+0x4a9/0x4ca [13279.455389] x86_64_start_reservations+0x24/0x2a [13279.462619] x86_64_start_kernel+0xfb/0x106 [13279.469328] secondary_startup_64_no_verify+0xc2/0xcb [13279.476844] </TASK> [13279.481553] Modules linked in: br_netfilter tls act_mirred cls_matchall ip6_gre gre ip6_tunnel tunnel6 sch_ingress dummy ip6t_rpfilter mpls_gso mpls_iptunnel mpls_router ip_tunnel esp6 esp4 xfrm_user xfrm_algo l2tp_ip6 l2tp_eth l2tp_ip l2tp_netlink l2tp_core 8021q garp mrp ip6t_REJECT nf_reject_ipv6 ipt_REJECT nf_reject_ipv4 xt_tcpudp sch_etf sch_fq dccp_ipv6 dccp_ipv4 dccp vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf nft_counter nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nft_compat nf_tables nfnetlink algif_hash af_alg veth ipmi_ssif intel_powerclamp coretemp kvm_intel kvm ipmi_si ipmi_devintf binfmt_misc intel_cstate ipmi_msghandler dcdbas acpi_power_meter i7core_edac mac_hid sch_fq_codel dm_multipath scsi_dh_rdac scsi_dh_emc scsi_dh_alua ramoops reed_solomon pstore_blk pstore_zone efi_pstore ip_tables x_tables autofs4 btrfs blake2b_generic zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c [13279.481743] raid1 raid0 multipath linear mgag200 i2c_algo_bit drm_kms_helper gpio_ich syscopyarea sysfillrect sysimgblt fb_sys_fops mpt3sas cec rc_core raid_class drm bnx2 lpc_ich pata_acpi scsi_transport_sas wmi [last unloaded: br_netfilter] [13279.619551] CR2: 0000000000000000 [13279.626035] ---[ end trace f8201db10668ab38 ]--- [13279.665976] RIP: 0010:0x0 [13279.671856] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [13279.681978] RSP: 0018:ffff9a1f80003e90 EFLAGS: 00010097 [13279.690380] RAX: 0000000000000000 RBX: 00000000000231f0 RCX: 0000000000000004 [13279.700720] RDX: 0000000000000000 RSI: 0000000000000020 RDI: ffff8bfdc0074280 [13279.711050] RBP: ffff9a1f80003eb8 R08: ffff8bfdc0074280 R09: 0000000000000001 [13279.721394] R10: 0000000000000020 R11: ffffffffffffffff R12: ffff8bfdc0074280 [13279.731930] R13: 00000c13a1cab100 R14: 0000000000000004 R15: 0000000000000000 [13279.742503] FS: 0000000000000000(0000) GS:ffff8bfef7600000(0000) knlGS:0000000000000000 [13279.753902] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [13279.763030] CR2: ffffffffffffffd6 CR3: 000000004a010000 CR4: 00000000000006f0 [13279.773701] Kernel panic - not syncing: Fatal exception in interrupt [13279.783722] Kernel Offset: 0x33800000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) [13279.819653] ---[ end Kernel panic - not syncing: Fatal exception in interrupt ]--- the failure only is seen on the machine rizzo. how to reproduce: 1. run net selftest in the kernel. 2. run ftracetest in the kernel, and then there is a highly chance that causes the kernel oops. issue could be seen on kernel 5.15.112-0515112 (mainline), 5.15.0-1030-intel-iotg, and 5.15.0-74-generic on the same machine. issue could not be reproduced on kernel 5.19.0-42-generic, 5.17.15-051715 (mainline), and 5.16.20-051620 (mainline). [13279.176639] BUG: kernel NULL pointer dereference, address: 0000000000000000 [13279.183712] #PF: supervisor instruction fetch in kernel mode [13279.189446] #PF: error_code(0x0010) - not-present page [13279.194654] PGD 0 P4D 0 [13279.197230] Oops: 0010 [#1] SMP PTI [13279.200767] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.15.0-74-generic #81-Ubuntu [13279.208431] Hardware name: Dell Inc. PowerEdge R310/05XKKK, BIOS 1.12.0 09/06/2013 [13279.216100] RIP: 0010:0x0 [13279.218767] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [13279.225721] RSP: 0018:ffff9a1f80003e90 EFLAGS: 00010097 [13279.231013] RAX: 0000000000000000 RBX: 00000000000231f0 RCX: 0000000000000004 [13279.238229] RDX: 0000000000000000 RSI: 0000000000000020 RDI: ffff8bfdc0074280 [13279.245449] RBP: ffff9a1f80003eb8 R08: ffff8bfdc0074280 R09: 0000000000000001 [13279.252673] R10: 0000000000000020 R11: ffffffffffffffff R12: ffff8bfdc0074280 [13279.259900] R13: 00000c13a1cab100 R14: 0000000000000004 R15: 0000000000000000 [13279.267124] FS: 0000000000000000(0000) GS:ffff8bfef7600000(0000) knlGS:0000000000000000 [13279.275317] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [13279.281140] CR2: ffffffffffffffd6 CR3: 000000004a010000 CR4: 00000000000006f0 [13279.288366] Call Trace: [13279.290851] <IRQ> [13279.292902] tick_do_broadcast+0xa1/0xd0 [13279.296894] tick_handle_oneshot_broadcast+0x14d/0x200 [13279.302107] timer_interrupt+0x18/0x30 [13279.305914] __handle_irq_event_percpu+0x42/0x170 [13279.310689] ? timekeeping_advance+0x32a/0x470 [13279.315194] handle_irq_event+0x59/0xb0 [13279.319086] handle_edge_irq+0x8c/0x230 [13279.322976] __common_interrupt+0x52/0xe0 [13279.327045] common_interrupt+0x89/0xa0 [13279.330941] </IRQ> [13279.333079] <TASK> [13279.335211] asm_common_interrupt+0x27/0x40 [13279.339461] RIP: 0010:cpuidle_enter_state+0xd9/0x620 [13279.344501] Code: 3d e4 e1 d8 4a e8 77 cb 67 ff 49 89 c7 0f 1f 44 00 00 31 ff e8 b8 d8 67 ff 80 7d d0 00 0f 85 61 01 00 00 fb 66 0f 1f 44 00 00 <45> 85 f6 0f 88 6d 01 00 00 4d 63 ee 49 83 fd 09 0f 87 e7 03 00 00 [13279.363476] RSP: 0018:ffffffffb6603db8 EFLAGS: 00000246 [13279.368768] RAX: 0000000000000000 RBX: ffff8bfef763b900 RCX: 0000000000000000 [13279.375984] RDX: ffff8bfdc01863c0 RSI: 0000000000000002 RDI: 0000000000000000 [13279.383203] RBP: ffffffffb6603e08 R08: 00000c13cc9b2925 R09: 00000000000c3500 [13279.390423] R10: 0000000000000005 R11: 071c71c71c71c71c R12: ffffffffb68d4b20 [13279.397646] R13: 0000000000000004 R14: 0000000000000004 R15: 00000c13cc9b2925 [13279.404883] ? cpuidle_enter_state+0x24a/0x620 [13279.409389] cpuidle_enter+0x2e/0x50 [13279.413019] cpuidle_idle_call+0x142/0x1e0 [13279.417176] do_idle+0x83/0xf0 [13279.422843] cpu_startup_entry+0x20/0x30 [13279.429360] rest_init+0xd3/0x100 [13279.435396] ? acpi_enable_subsystem+0x21d/0x229 [13279.442594] arch_call_rest_init+0xe/0x23 [13279.449114] start_kernel+0x4a9/0x4ca [13279.455389] x86_64_start_reservations+0x24/0x2a [13279.462619] x86_64_start_kernel+0xfb/0x106 [13279.469328] secondary_startup_64_no_verify+0xc2/0xcb [13279.476844] </TASK> [13279.481553] Modules linked in: br_netfilter tls act_mirred cls_matchall ip6_gre gre ip6_tunnel tunnel6 sch_ingress dummy ip6t_rpfilter mpls_gso mpls_iptunnel mpls_router ip_tunnel esp6 esp4 xfrm_user xfrm_algo l2tp_ip6 l2tp_eth l2tp_ip l2tp_netlink l2tp_core 8021q garp mrp ip6t_REJECT nf_reject_ipv6 ipt_REJECT nf_reject_ipv4 xt_tcpudp sch_etf sch_fq dccp_ipv6 dccp_ipv4 dccp vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf nft_counter nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nft_compat nf_tables nfnetlink algif_hash af_alg veth ipmi_ssif intel_powerclamp coretemp kvm_intel kvm ipmi_si ipmi_devintf binfmt_misc intel_cstate ipmi_msghandler dcdbas acpi_power_meter i7core_edac mac_hid sch_fq_codel dm_multipath scsi_dh_rdac scsi_dh_emc scsi_dh_alua ramoops reed_solomon pstore_blk pstore_zone efi_pstore ip_tables x_tables autofs4 btrfs blake2b_generic zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c [13279.481743] raid1 raid0 multipath linear mgag200 i2c_algo_bit drm_kms_helper gpio_ich syscopyarea sysfillrect sysimgblt fb_sys_fops mpt3sas cec rc_core raid_class drm bnx2 lpc_ich pata_acpi scsi_transport_sas wmi [last unloaded: br_netfilter] [13279.619551] CR2: 0000000000000000 [13279.626035] ---[ end trace f8201db10668ab38 ]--- [13279.665976] RIP: 0010:0x0 [13279.671856] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [13279.681978] RSP: 0018:ffff9a1f80003e90 EFLAGS: 00010097 [13279.690380] RAX: 0000000000000000 RBX: 00000000000231f0 RCX: 0000000000000004 [13279.700720] RDX: 0000000000000000 RSI: 0000000000000020 RDI: ffff8bfdc0074280 [13279.711050] RBP: ffff9a1f80003eb8 R08: ffff8bfdc0074280 R09: 0000000000000001 [13279.721394] R10: 0000000000000020 R11: ffffffffffffffff R12: ffff8bfdc0074280 [13279.731930] R13: 00000c13a1cab100 R14: 0000000000000004 R15: 0000000000000000 [13279.742503] FS: 0000000000000000(0000) GS:ffff8bfef7600000(0000) knlGS:0000000000000000 [13279.753902] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [13279.763030] CR2: ffffffffffffffd6 CR3: 000000004a010000 CR4: 00000000000006f0 [13279.773701] Kernel panic - not syncing: Fatal exception in interrupt [13279.783722] Kernel Offset: 0x33800000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) [13279.819653] ---[ end Kernel panic - not syncing: Fatal exception in interrupt ]---
2023-05-24 02:39:36 Po-Hsu Lin tags 5.15 jammy sru-20230417 ubuntu-kernel-selftests
2023-05-29 09:17:04 Po-Hsu Lin attachment added j-ibm-console.log https://bugs.launchpad.net/ubuntu-kernel-tests/+bug/2020607/+attachment/5676265/+files/j-ibm-console.log
2023-05-29 09:17:25 Po-Hsu Lin tags 5.15 jammy sru-20230417 ubuntu-kernel-selftests 5.15 jammy sru-20230417 sru-20230515 ubuntu-kernel-selftests
2023-06-02 04:04:40 Po-Hsu Lin attachment added j-realtime-ftrace-rizzo.log https://bugs.launchpad.net/ubuntu-kernel-tests/+bug/2020607/+attachment/5677329/+files/j-realtime-ftrace-rizzo.log