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] <NMI> [ 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] </NMI> [ 320.186407] <TASK> [ 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] </TASK> [ 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- <TAbort- <MAbort- >SERR- <PERR- INTx- Latency: 0 Interrupt: pin B routed to IRQ 17 NUMA node: 0 Region 0: Memory at 92900000 (64-bit, prefetchable) [size=64K] Region 2: Memory at 92910000 (64-bit, prefetchable) [size=64K] Region 4: Memory at 92920000 (64-bit, prefetchable) [size=64K] Expansion ROM at 90040000 [disabled] [size=256K] Capabilities: [48] Power Management version 3 Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0+,D1-,D2-,D3hot+,D3cold+) Status: D0 NoSoftRst+ PME-Enable- DSel=0 DScale=1 PME- Capabilities: [50] Vital Product Data Product Name: Broadcom NetXtreme Gigabit Ethernet Read-only fields: [PN] Part number: BCM95720 [MN] Manufacture ID: 1028 [V0] Vendor specific: FFV22.61.8 [V1] Vendor specific: DSV1028VPDR.VER1.0 [V2] Vendor specific: NPY2 [V3] Vendor specific: PMT1 [V4] Vendor specific: NMVBroadcom Corp [V5] Vendor specific: DTINIC [V6] Vendor specific: DCM3001008d454101008d45 [RV] Reserved: checksum good, 233 byte(s) reserved End Capabilities: [58] MSI: Enable- Count=1/8 Maskable- 64bit+ Address: 0000000000000000 Data: 0000 Capabilities: [a0] MSI-X: Enable+ Count=17 Masked- Vector table: BAR=4 offset=00000000 PBA: BAR=4 offset=00001000 Capabilities: [ac] Express (v2) Endpoint, MSI 00 DevCap: MaxPayload 256 bytes, PhantFunc 0, Latency L0s <4us, L1 <64us ExtTag- AttnBtn- AttnInd- PwrInd- RBE+ FLReset+ SlotPowerLimit 25.000W DevCtl: CorrErr- NonFatalErr+ FatalErr+ UnsupReq+ RlxdOrd- ExtTag- PhantFunc- AuxPwr+ NoSnoop- FLReset- MaxPayload 128 bytes, MaxReadReq 512 bytes DevSta: CorrErr- NonFatalErr- FatalErr- UnsupReq- AuxPwr+ TransPend- LnkCap: Port #0, Speed 5GT/s, Width x2, ASPM not supported ClockPM+ Surprise- LLActRep- BwNot- ASPMOptComp- LnkCtl: ASPM Disabled; RCB 64 bytes, Disabled- CommClk+ ExtSynch- ClockPM+ AutWidDis- BWInt- AutBWInt- LnkSta: Speed 5GT/s (ok), Width x2 (ok) TrErr- Train- SlotClk+ DLActive- BWMgmt- ABWMgmt- DevCap2: Completion Timeout: Range ABCD, TimeoutDis+ NROPrPrP- LTR- 10BitTagComp- 10BitTagReq- OBFF Not Supported, ExtFmt- EETLPPrefix- EmergencyPowerReduction Not Supported, EmergencyPowerReductionInit- FRS- TPHComp- ExtTPHComp- AtomicOpsCap: 32bit- 64bit- 128bitCAS- DevCtl2: Completion Timeout: 65ms to 210ms, TimeoutDis- LTR- OBFF Disabled, AtomicOpsCtl: ReqEn- LnkSta2: Current De-emphasis Level: -6dB, EqualizationComplete- EqualizationPhase1- EqualizationPhase2- EqualizationPhase3- LinkEqualizationRequest- Retimer- 2Retimers- CrosslinkRes: unsupported Capabilities: [100 v1] Advanced Error Reporting UESta: DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- RxOF- MalfTLP- ECRC- UnsupReq- ACSViol- UEMsk: DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt+ RxOF- MalfTLP- ECRC- UnsupReq- ACSViol- UESvrt: DLP+ SDES+ TLP+ FCP+ CmpltTO+ CmpltAbrt+ UnxCmplt- RxOF+ MalfTLP+ ECRC+ UnsupReq- ACSViol- CESta: RxErr- BadTLP- BadDLLP- Rollover- Timeout- AdvNonFatalErr+ CEMsk: RxErr- BadTLP+ BadDLLP+ Rollover+ Timeout+ AdvNonFatalErr+ AERCap: First Error Pointer: 00, ECRCGenCap+ ECRCGenEn- ECRCChkCap+ ECRCChkEn- MultHdrRecCap- MultHdrRecEn- TLPPfxPres- HdrLogCap- HeaderLog: 40000001 0000020f 90028090 00000000 Capabilities: [13c v1] Device Serial Number 00-00-e4-3d-1a-3c-8b-bb Capabilities: [150 v1] Power Budgeting <?> 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,