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To: io-uring@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Hello, found a kernel panic issue after add io_uring parameters to kernel cmdline and then reboot, please help check, repo:https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git branch: master commit HEAD:f6cef5f8c37f58a3bc95b3754c3ae98e086631ca grubby --args='io_uring.enable=y' --update-kernel=/boot/vmlinuz-6.8.0+ grubby --args='sysctl.kernel.io_uring_disabled=0' --update-kernel=/boot/vmlinuz-6.8.0+ reboot dmesg log: Rebooting. [ 320.186317] {1}[Hardware Error]: Hardware error from APEI Generic Hardware Error Source: 5 [ 320.186321] {1}[Hardware Error]: event severity: fatal [ 320.186324] {1}[Hardware Error]: Error 0, type: fatal [ 320.186325] {1}[Hardware Error]: section_type: PCIe error [ 320.186326] {1}[Hardware Error]: port_type: 0, PCIe end point [ 320.186327] {1}[Hardware Error]: version: 3.0 [ 320.186328] {1}[Hardware Error]: command: 0x0002, status: 0x0010 [ 320.186330] {1}[Hardware Error]: device_id: 0000:01:00.1 [ 320.186331] {1}[Hardware Error]: slot: 0 [ 320.186331] {1}[Hardware Error]: secondary_bus: 0x00 [ 320.186332] {1}[Hardware Error]: vendor_id: 0x14e4, device_id: 0x165f [ 320.186333] {1}[Hardware Error]: class_code: 020000 [ 320.186334] {1}[Hardware Error]: aer_uncor_status: 0x00100000, aer_uncor_mask: 0x00010000 [ 320.186335] {1}[Hardware Error]: aer_uncor_severity: 0x000ef030 [ 320.186336] {1}[Hardware Error]: TLP Header: 40000001 0000030f 90028090 00000000 [ 320.186339] Kernel panic - not syncing: Fatal hardware error! [ 320.186340] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 6.8.0+ #1 [ 320.186343] Hardware name: Dell Inc. PowerEdge R640/0X45NX, BIOS 2.19.1 06/04/2023 [ 320.186343] Call Trace: [ 320.186345] [ 320.186347] panic+0x32b/0x350 [ 320.186355] __ghes_panic+0x69/0x70 [ 320.186360] ghes_in_nmi_queue_one_entry.constprop.0+0x1d9/0x2b0 [ 320.186364] ghes_notify_nmi+0x59/0xd0 [ 320.186367] nmi_handle+0x5b/0x150 [ 320.186373] default_do_nmi+0x40/0x100 [ 320.186379] exc_nmi+0x100/0x180 [ 320.186382] end_repeat_nmi+0xf/0x53 [ 320.186386] RIP: 0010:intel_idle+0x59/0xa0 [ 320.186389] Code: d2 48 89 d1 65 48 8b 05 55 41 f3 77 0f 01 c8 48 8b 00 a8 08 75 14 66 90 0f 00 2d ae 1f 43 00 b9 01 00 00 00 48 89 f0 0f 01 c9 <65> 48 8b 05 2f 41 f3 77 f0 80 60 02 df f0 83 44 24 fc 00 48 8b 00 [ 320.186391] RSP: 0018:ffffffff88c03e48 EFLAGS: 00000046 [ 320.186394] RAX: 0000000000000001 RBX: 0000000000000002 RCX: 0000000000000001 [ 320.186395] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff972cafa3ffa0 [ 320.186397] RBP: ffff972cafa3ffa0 R08: 0000000000000002 R09: 00000000fffffffd [ 320.186398] R10: 0000000000000001 R11: 0000000000000001 R12: ffffffff890bbee0 [ 320.186399] R13: ffffffff890bbfc8 R14: 0000000000000002 R15: 0000000000000000 [ 320.186401] ? intel_idle+0x59/0xa0 [ 320.186404] ? intel_idle+0x59/0xa0 [ 320.186407] [ 320.186407] [ 320.186408] cpuidle_enter_state+0x7d/0x410 [ 320.186411] cpuidle_enter+0x29/0x40 [ 320.186415] cpuidle_idle_call+0xf8/0x160 [ 320.186421] do_idle+0x7a/0xe0 [ 320.186423] cpu_startup_entry+0x25/0x30 [ 320.186426] rest_init+0xcc/0xd0 [ 320.186429] start_kernel+0x325/0x400 [ 320.186433] x86_64_start_reservations+0x14/0x30 [ 320.186437] x86_64_start_kernel+0xed/0xf0 [ 320.186440] common_startup_64+0x13e/0x141 [ 320.186445] [ 320.194588] Kernel Offset: 0x6400000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) # lspci -nn -s 01:00.1 01:00.1 Ethernet controller [0200]: Broadcom Inc. and subsidiaries NetXtreme BCM5720 Gigabit Ethernet PCIe [14e4:165f] # lspci -vvv -s 01:00.1 01:00.1 Ethernet controller: Broadcom Inc. and subsidiaries NetXtreme BCM5720 Gigabit Ethernet PCIe DeviceName: NIC4 Subsystem: Broadcom Inc. and subsidiaries Device 4160 Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+ Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- SERR- Capabilities: [160 v1] Virtual Channel Caps: LPEVC=0 RefClk=100ns PATEntryBits=1 Arb: Fixed- WRR32- WRR64- WRR128- Ctrl: ArbSelect=Fixed Status: InProgress- VC0: Caps: PATOffset=00 MaxTimeSlots=1 RejSnoopTrans- Arb: Fixed- WRR32- WRR64- WRR128- TWRR128- WRR256- Ctrl: Enable+ ID=0 ArbSelect=Fixed TC/VC=ff Status: NegoPending- InProgress- Kernel driver in use: tg3 Kernel modules: tg3 Thanks,