Created attachment 307248 [details] v6.12.rc7 Processor : Intel(R) Xeon(R) Silver 4314 CPU @ 2.40GHz OS : SLE-15-SP7-Full-x86_64-Beta1-202410-Media1 / RHEL-10.0-20241104.0-x86_64-dvd1 / latest upstream kernel (6.11.x and 6.12-rc) The intel_th_pci driver hooks with the Intel Corporation Ice Lake NorthPeak device and causes the problems. The older version kernel doesn't hooked with the Intel_th_pci driver. [ 24.202199] intel_th_pci 0000:00:02.4: enabling device (0140 -> 0142) [ 24.202369] intel_th_pci 0000:00:02.4: can't derive routing for PCI INT A [ 24.202371] intel_th_pci 0000:00:02.4: PCI INT A: not connected [ 24.202441] intel_th_pci: probe of 0000:00:02.4 failed with error -107 [ 24.203214] intel_th_pci 0000:80:02.4: enabling device (0140 -> 0142) [ 24.203315] intel_th_pci 0000:80:02.4: can't derive routing for PCI INT A [ 24.203317] intel_th_pci 0000:80:02.4: PCI INT A: not connected [ 24.203371] intel_th_pci: probe of 0000:80:02.4 failed with error -107
Created attachment 307249 [details] v6.11.7
Created attachment 307250 [details] RHEL9.5 dmesg
Created attachment 307251 [details] Intel Corporation Ice Lake NorthPeak device
Created attachment 307252 [details] S15SP6 Dmesg
Created attachment 307253 [details] S15SP7 dmesg
Alexander, could you check it? It's about intel-th stuff. It might be a BIOS problem or somewhere in PCI core, but it needs to be verified.
Myron Stowe from RHEL has feedback below. 1. The device id 0x3456 in the latest intel_th driver. pci 0000:00:02.4: [8086:3456] type 00 class 0x130000 conventional PCI endpoint. https://elixir.bootlin.com/linux/v6.12/source/drivers/hwtracing/intel_th/pci.c#L324 2. The BIOS sets up the IRQ as "IRQ_NOTCONNECTED" intel_th_pci 0000:00:02.4: enabling device (0140 -> 0142) intel_th_pci 0000:00:02.4: can't derive routing for PCI INT A intel_th_pci 0000:00:02.4: PCI INT A: not connected intel_th_pci 0000:00:02.4: probe with driver intel_th_pci failed w/ errno -107 https://elixir.bootlin.com/linux/v6.12/source/kernel/irq/manage.c#L2157 https://elixir.bootlin.com/linux/v6.12/source/include/uapi/asm-generic/errno.h#L90 3. The driver doesn't support the unconnected irq mode. Interrupt: pin A routed to IRQ -2147483648 # 0xffffffff80000000 https://elixir.bootlin.com/linux/v6.12/source/drivers/acpi/pci_irq.c#L373