On Tue, Sep 10, 2024 at 08:41:14PM +0200, Manuel Bouyer wrote: > Does it means that the fifo is full ? > Are interrupts comming in properly ?
Disk and network I/O are fine, hence it must be a serial port specific interrupt issue. The problem vanishes when booting with ACPI disabled, or by booting with ACPI but with com at acpi devices disabled in userconf. With ACPI: acpi0 at mainbus0: Intel ACPICA 20221020 acpi0: X/RSDT: OemId <SUPERM,SMCI--MB,01072009>, AslId <AMI ,00010013> acpi0: MCFG: segment 0, bus 0-63, address 0x00000000f8000000 ACPI: Dynamic OEM Table Load: ACPI: SSDT 0xFFFFB9E571AED808 0003D3 (v02 PmRef Cpu0Cst 00003001 INTL 20051117) ACPI: Dynamic OEM Table Load: ACPI: SSDT 0xFFFFB9E538F2A008 0005AA (v02 PmRef ApIst 00003000 INTL 20051117) ACPI: Dynamic OEM Table Load: ACPI: SSDT 0xFFFFB9E538E25D48 000119 (v02 PmRef ApCst 00003000 INTL 20051117) acpi0: SCI interrupting at int 9 acpi0: fixed power button present (...) com0 at acpi0 (UAR1, PNP0501-0): io 0x3f8-0x3ff irq 4 com0: ns16550a, 16-byte FIFO com0: console Without ACPI: ichlpcib0 at pci0 dev 31 function 0: Intel H81 LPC (rev. 0x05) isa0 at ichlpcib0 com0 at isa0 port 0x3f8-0x3ff irq 4: ns16550a, 16-byte FIFO com0: console There is the tentation to point finger at the machine's BIOS, but still, it worked fine on 9.3/amd64 and still works fine on 10.0/i386. -- Emmanuel Dreyfus m...@netbsd.org
