Public bug reported: About once every month the system halts and has to be power cycled. When looking at the previous boot log, it shows some references to btcoexist right before crashing, consistently every time. ubuntu-bug is not picking up the previous boot log showing the problem so here is the last bit of log written from when the problem happens:
Feb 08 10:30:09 msi kernel: ------------[ cut here ]------------ Feb 08 10:30:09 msi kernel: UBSAN: array-index-out-of-bounds in /build/linux-dLQ24T/linux-6.8.0/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a2ant.c:3968:36 Feb 08 10:30:09 msi kernel: index 10 is out of range for type 'u8 [10]' Feb 08 10:30:09 msi kernel: CPU: 3 PID: 921974 Comm: kworker/3:1 Not tainted 6.8.0-52-generic #53-Ubuntu Feb 08 10:30:09 msi kernel: Hardware name: MICRO-STAR INTERNATIONAL CO., LTD MS-7469/MS-7469, BIOS A7469IMS.110 03/15/2010 Feb 08 10:30:09 msi kernel: Workqueue: rtl8821ae_pci rtl_c2hcmd_wq_callback [rtlwifi] Feb 08 10:30:09 msi kernel: Call Trace: Feb 08 10:30:09 msi kernel: <TASK> Feb 08 10:30:09 msi kernel: dump_stack_lvl+0x76/0xa0 Feb 08 10:30:09 msi kernel: dump_stack+0x10/0x20 Feb 08 10:30:09 msi kernel: __ubsan_handle_out_of_bounds+0xc6/0x110 Feb 08 10:30:09 msi kernel: ex_btc8821a2ant_bt_info_notify+0x458/0x520 [btcoexist] Feb 08 10:30:09 msi kernel: exhalbtc_bt_info_notify+0xc8/0xe0 [btcoexist] Feb 08 10:30:09 msi kernel: rtl_btc_btinfo_notify+0x1d/0x40 [btcoexist] Feb 08 10:30:09 msi kernel: rtl_c2h_content_parsing.isra.0+0x63/0x100 [rtlwifi] Feb 08 10:30:09 msi kernel: rtl_c2hcmd_wq_callback+0x3c/0x80 [rtlwifi] Feb 08 10:30:09 msi kernel: process_one_work+0x175/0x350 Feb 08 10:30:09 msi kernel: worker_thread+0x306/0x440 Feb 08 10:30:09 msi kernel: ? _raw_spin_lock_irqsave+0xe/0x20 Feb 08 10:30:09 msi kernel: ? __pfx_worker_thread+0x10/0x10 Feb 08 10:30:09 msi kernel: kthread+0xef/0x120 Feb 08 10:30:09 msi kernel: ? __pfx_kthread+0x10/0x10 Feb 08 10:30:09 msi kernel: ret_from_fork+0x44/0x70 Feb 08 10:30:09 msi kernel: ? __pfx_kthread+0x10/0x10 Feb 08 10:30:09 msi kernel: ret_from_fork_asm+0x1b/0x30 Feb 08 10:30:09 msi kernel: </TASK> Feb 08 10:30:09 msi kernel: ---[ end trace ]--- Feb 08 10:30:09 msi kernel: ------------[ cut here ]------------ Feb 08 10:30:09 msi kernel: UBSAN: invalid-load in /build/linux-dLQ24T/linux-6.8.0/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a2ant.c:1150:11 Feb 08 10:30:09 msi kernel: load of value 137 is not a valid value for type '_Bool' Feb 08 10:30:09 msi kernel: CPU: 3 PID: 921974 Comm: kworker/3:1 Not tainted 6.8.0-52-generic #53-Ubuntu Feb 08 10:30:09 msi kernel: Hardware name: MICRO-STAR INTERNATIONAL CO., LTD MS-7469/MS-7469, BIOS A7469IMS.110 03/15/2010 Feb 08 10:30:09 msi kernel: Workqueue: rtl8821ae_pci rtl_c2hcmd_wq_callback [rtlwifi] Feb 08 10:30:09 msi kernel: Call Trace: Feb 08 10:30:09 msi kernel: <TASK> Feb 08 10:30:09 msi kernel: dump_stack_lvl+0x76/0xa0 Feb 08 10:30:09 msi kernel: dump_stack+0x10/0x20 Feb 08 10:30:09 msi kernel: __ubsan_handle_load_invalid_value+0xce/0x120 Feb 08 10:30:09 msi kernel: BUG: unable to handle page fault for address: 00000000a76becce Feb 08 10:30:09 msi kernel: #PF: supervisor read access in kernel mode Feb 08 10:30:09 msi kernel: #PF: error_code(0x0000) - not-present page Feb 08 10:30:09 msi kernel: PGD 0 P4D 0 Feb 08 10:30:09 msi kernel: Oops: 0000 [#1] PREEMPT SMP NOPTI Feb 08 10:30:09 msi kernel: CPU: 3 PID: 921974 Comm: kworker/3:1 Not tainted 6.8.0-52-generic #53-Ubuntu Feb 08 10:30:09 msi kernel: Hardware name: MICRO-STAR INTERNATIONAL CO., LTD MS-7469/MS-7469, BIOS A7469IMS.110 03/15/2010 Feb 08 10:30:09 msi kernel: Workqueue: rtl8821ae_pci rtl_c2hcmd_wq_callback [rtlwifi] Feb 08 10:30:09 msi kernel: RIP: 0010:find_kallsyms_symbol+0x13f/0x220 Feb 08 10:30:09 msi kernel: Code: 72 41 49 39 da 73 3c 49 89 da 41 89 d3 83 c2 01 48 83 c0 18 41 39 d1 74 47 66 83 78 06 00 48 8b 58 08 74 e9 8b 08 49 03 4d 10 <0f> b6 31 40 84 f6 74 db 40 80 fe 2e 75 b5 80 79 01 4c 74 cf 49 39 Feb 08 10:30:09 msi kernel: RSP: 0000:ffffa7a74bc3b488 EFLAGS: 00010003 Feb 08 10:30:09 msi kernel: RAX: ffffffffc09f2498 RBX: 8b1bfb5221ba836d RCX: 00000000a76becce Feb 08 10:30:09 msi kernel: RDX: 0000000000000001 RSI: 0000000000000006 RDI: ffffffffc09e8000 Feb 08 10:30:09 msi kernel: RBP: ffffa7a74bc3b4d0 R08: ffffa7a74bc3b570 R09: 000000000000037f Feb 08 10:30:09 msi kernel: R10: 399152eef2f4579d R11: 0000000000000000 R12: ffffffffc09f1d78 Feb 08 10:30:09 msi kernel: R13: ffffffffc09f1da8 R14: ffffffffc09e719b R15: ffffa7a74bc3b578 Feb 08 10:30:09 msi kernel: FS: 0000000000000000(0000) GS:ffff90e2fdd80000(0000) knlGS:0000000000000000 Feb 08 10:30:09 msi kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Feb 08 10:30:09 msi kernel: CR2: 00000000a76becce CR3: 000000001b202000 CR4: 00000000000006f0 Feb 08 10:30:09 msi kernel: Call Trace: Feb 08 10:30:09 msi kernel: <TASK> Feb 08 10:30:09 msi kernel: ? show_regs+0x6d/0x80 Feb 08 10:30:09 msi kernel: ? __die+0x24/0x80 Feb 08 10:30:09 msi kernel: ? page_fault_oops+0x99/0x1b0 Feb 08 10:30:09 msi kernel: ? kernelmode_fixup_or_oops.isra.0+0x69/0x90 Feb 08 10:30:09 msi kernel: ? __bad_area_nosemaphore+0x19d/0x2c0 Feb 08 10:30:09 msi kernel: ? bad_area_nosemaphore+0x16/0x30 Feb 08 10:30:09 msi kernel: ? do_user_addr_fault+0x29c/0x670 Feb 08 10:30:09 msi kernel: ? exc_page_fault+0x83/0x1b0 Feb 08 10:30:09 msi kernel: ? asm_exc_page_fault+0x27/0x30 Feb 08 10:30:09 msi kernel: BUG: unable to handle page fault for address: 00000000a76becce Feb 08 10:30:09 msi kernel: #PF: supervisor read access in kernel mode Feb 08 10:30:09 msi kernel: #PF: error_code(0x0000) - not-present page Feb 08 10:30:09 msi kernel: PGD 0 P4D 0 Feb 08 10:30:09 msi kernel: Oops: 0000 [#2] PREEMPT SMP NOPTI Feb 08 10:30:09 msi kernel: CPU: 3 PID: 921974 Comm: kworker/3:1 Not tainted 6.8.0-52-generic #53-Ubuntu Feb 08 10:30:09 msi kernel: Hardware name: MICRO-STAR INTERNATIONAL CO., LTD MS-7469/MS-7469, BIOS A7469IMS.110 03/15/2010 Feb 08 10:30:09 msi kernel: Workqueue: rtl8821ae_pci rtl_c2hcmd_wq_callback [rtlwifi] Feb 08 10:30:09 msi kernel: RIP: 0010:find_kallsyms_symbol+0x13f/0x220 Feb 08 10:30:09 msi kernel: Code: 72 41 49 39 da 73 3c 49 89 da 41 89 d3 83 c2 01 48 83 c0 18 41 39 d1 74 47 66 83 78 06 00 48 8b 58 08 74 e9 8b 08 49 03 4d 10 <0f> b6 31 40 84 f6 74 db 40 80 fe 2e 75 b5 80 79 01 4c 74 cf 49 39 Feb 08 10:30:09 msi kernel: RSP: 0000:ffffa7a74bc3aab8 EFLAGS: 00010003 Feb 08 10:30:09 msi kernel: RAX: ffffffffc09f2498 RBX: 8b1bfb5221ba836d RCX: 00000000a76becce Feb 08 10:30:09 msi kernel: RDX: 0000000000000001 RSI: 0000000000000006 RDI: ffffffffc09e8000 Feb 08 10:30:09 msi kernel: RBP: ffffa7a74bc3ab00 R08: ffffa7a74bc3aba0 R09: 000000000000037f Feb 08 10:30:09 msi kernel: R10: 399152eef2f4579d R11: 0000000000000000 R12: ffffffffc09f1d78 Feb 08 10:30:09 msi kernel: R13: ffffffffc09f1da8 R14: ffffffffc09e719a R15: ffffa7a74bc3aba8 Feb 08 10:30:09 msi kernel: FS: 0000000000000000(0000) GS:ffff90e2fdd80000(0000) knlGS:0000000000000000 Feb 08 10:30:09 msi kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Feb 08 10:30:09 msi kernel: CR2: 00000000a76becce CR3: 000000001b202000 CR4: 00000000000006f0 Feb 08 10:30:09 msi kernel: Call Trace: Feb 08 10:30:09 msi kernel: <TASK> Feb 08 10:30:09 msi kernel: ? show_regs+0x6d/0x80 Feb 08 10:30:09 msi kernel: ? __die+0x24/0x80 Feb 08 10:30:09 msi kernel: ? page_fault_oops+0x99/0x1b0 Feb 08 10:30:09 msi kernel: ? kernelmode_fixup_or_oops.isra.0+0x69/0x90 Feb 08 10:30:09 msi kernel: ? __bad_area_nosemaphore+0x19d/0x2c0 Feb 08 10:30:09 msi kernel: ? bad_area_nosemaphore+0x16/0x30 Feb 08 10:30:09 msi kernel: ? do_user_addr_fault+0x29c/0x670 Feb 08 10:30:09 msi kernel: ? exc_page_fault+0x83/0x1b0 Feb 08 10:30:09 msi kernel: ? asm_exc_page_fault+0x27/0x30 Feb 08 10:30:09 msi kernel: BUG: unable to handle page fault for address: 00000000a76becce Feb 08 10:30:09 msi kernel: #PF: supervisor read access in kernel mode Feb 08 10:30:09 msi kernel: #PF: error_code(0x0000) - not-present page Feb 08 10:30:09 msi kernel: PGD 0 P4D 0 Feb 08 10:30:09 msi kernel: Oops: 0000 [#3] PREEMPT SMP NOPTI Feb 08 10:30:09 msi kernel: CPU: 3 PID: 921974 Comm: kworker/3:1 Not tainted 6.8.0-52-generic #53-Ubuntu Feb 08 10:30:09 msi kernel: Hardware name: MICRO-STAR INTERNATIONAL CO., LTD MS-7469/MS-7469, BIOS A7469IMS.110 03/15/2010 Feb 08 10:30:09 msi kernel: Workqueue: rtl8821ae_pci rtl_c2hcmd_wq_callback [rtlwifi] Feb 08 10:30:09 msi kernel: RIP: 0010:find_kallsyms_symbol+0x13f/0x220 Feb 08 10:30:09 msi kernel: Code: 72 41 49 39 da 73 3c 49 89 da 41 89 d3 83 c2 01 48 83 c0 18 41 39 d1 74 47 66 83 78 06 00 48 8b 58 08 74 e9 8b 08 49 03 4d 10 <0f> b6 31 40 84 f6 74 db 40 80 fe 2e 75 b5 80 79 01 4c 74 cf 49 39 Feb 08 10:30:09 msi kernel: RSP: 0000:ffffa7a74bc3a0e8 EFLAGS: 00010003 Feb 08 10:30:09 msi kernel: RAX: ffffffffc09f2498 RBX: 8b1bfb5221ba836d RCX: 00000000a76becce Feb 08 10:30:09 msi kernel: RDX: 0000000000000001 RSI: 0000000000000006 RDI: ffffffffc09e8000 Feb 08 10:30:09 msi kernel: RBP: ffffa7a74bc3a130 R08: ffffa7a74bc3a1d0 R09: 000000000000037f Feb 08 10:30:09 msi kernel: R10: 399152eef2f4579d R11: 0000000000000000 R12: ffffffffc09f1d78 Feb 08 10:30:09 msi kernel: R13: ffffffffc09f1da8 R14: ffffffffc09e7199 R15: ffffa7a74bc3a1d8 Feb 08 10:30:09 msi kernel: FS: 0000000000000000(0000) GS:ffff90e2fdd80000(0000) knlGS:0000000000000000 Feb 08 10:30:09 msi kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Feb 08 10:30:09 msi kernel: CR2: 00000000a76becce CR3: 000000001b202000 CR4: 00000000000006f0 Feb 08 10:30:09 msi kernel: Call Trace: Feb 08 10:30:09 msi kernel: <TASK> Feb 08 10:30:09 msi kernel: ? show_regs+0x6d/0x80 Feb 08 10:30:09 msi kernel: ? __die+0x24/0x80 Feb 08 10:30:09 msi kernel: ? page_fault_oops+0x99/0x1b0 Feb 08 10:30:09 msi kernel: ? kernelmode_fixup_or_oops.isra.0+0x69/0x90 Feb 08 10:30:09 msi kernel: ? __bad_area_nosemaphore+0x19d/0x2c0 Feb 08 10:30:09 msi kernel: ? bad_area_nosemaphore+0x16/0x30 Feb 08 10:30:09 msi kernel: ? do_user_addr_fault+0x29c/0x670 Feb 08 10:30:09 msi kernel: ? exc_page_fault+0x83/0x1b0 Feb 08 10:30:09 msi kernel: ? asm_exc_page_fault+0x27/0x30 Feb 08 10:30:10 msi kernel: ------------[ cut here ]------------ Feb 08 10:30:10 msi kernel: UBSAN: invalid-load in /build/linux-dLQ24T/linux-6.8.0/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a2ant.c:4202:14 Feb 08 10:30:10 msi kernel: load of value 165 is not a valid value for type '_Bool' ProblemType: Bug DistroRelease: Ubuntu 24.04 Package: linux-image-6.8.0-52-generic 6.8.0-52.53 ProcVersionSignature: Ubuntu 6.8.0-52.53-generic 6.8.12 Uname: Linux 6.8.0-52-generic x86_64 ApportVersion: 2.28.1-0ubuntu3.3 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/seq: angelo 1515 F.... pipewire /dev/snd/controlC1: angelo 1518 F.... wireplumber /dev/snd/controlC0: angelo 1518 F.... wireplumber CasperMD5CheckResult: unknown Date: Sat Feb 8 21:04:05 2025 HibernationDevice: RESUME=UUID=04d519f0-04a6-420c-8152-c5bf1cd48cb7 InstallationDate: Installed on 2018-01-14 (2582 days ago) InstallationMedia: Xubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1) MachineType: MICRO-STAR INTERNATIONAL CO., LTD MS-7469 ProcEnviron: LANG=en_US.UTF-8 PATH=(custom, no user) SHELL=/bin/bash TERM=xterm-256color ProcFB: 0 radeondrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-6.8.0-52-generic root=UUID=77f3a8c7-a239-43e3-8d83-ecb50ae12b16 ro noquiet nosplash fsck.mode=force fsck.repair=yes net.ifnames=0 biosdevname=0 fsck.mode=force fsck.repair=yes PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon. RelatedPackageVersions: linux-restricted-modules-6.8.0-52-generic N/A linux-backports-modules-6.8.0-52-generic N/A linux-firmware 20240318.git3b128b60-0ubuntu2.7 SourcePackage: linux UpgradeStatus: Upgraded to noble on 2024-08-31 (162 days ago) dmi.bios.date: 03/15/2010 dmi.bios.release: 8.15 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: A7469IMS.110 dmi.board.name: MS-7469 dmi.board.vendor: MICRO-STAR INTERNATIONAL CO., LTD dmi.board.version: 100 dmi.chassis.type: 3 dmi.chassis.vendor: MICRO-STAR INTERNATIONAL CO., LTD dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrA7469IMS.110:bd03/15/2010:br8.15:svnMICRO-STARINTERNATIONALCO.,LTD:pnMS-7469:pvr:rvnMICRO-STARINTERNATIONALCO.,LTD:rnMS-7469:rvr100:cvnMICRO-STARINTERNATIONALCO.,LTD:ct3:cvr:sku: dmi.product.name: MS-7469 dmi.sys.vendor: MICRO-STAR INTERNATIONAL CO., LTD ** Affects: linux (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug noble -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2097693 Title: Occasional crashes referencing btcoexist To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2097693/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs