[Bug 207677] atrtc Warning: Couldn't map I/O on Skylake Supermicro X11SSH-LN4F
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Date: Sun, 03 Oct 2021 17:04:17 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=207677 Poul-Henning Kamp <phk@FreeBSD.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |phk@FreeBSD.org --- Comment #9 from Poul-Henning Kamp <phk@FreeBSD.org> --- pstef@ ping'ed me on this one. I have nothing much to add over the comment I put in atrtc_attach() in the original commit (294643529963), but which has subsequently been lost: /* * Not that we need them or anything, but grab our resources * so they show up, correctly attributed, in the big picture. */ I wanted to make the RTC resources show up in the accounting, for instance devinfo -rv For what it is worth, I get the warning also on my laptop (T480): atrtc0: <AT realtime clock> port 0x70-0x77 irq 8 on acpi0 atrtc0: Warning: Couldn't map I/O. atrtc0: registered as a time-of-day clock, resolution 1.000000s I suspect the reason for the message is that acpi0 already claimed some of those ports: acpi0 Interrupt request lines: 0x9 I/O ports: […] 0x70 0x72-0x77 […] I guess, if somebody want to fix this, the ATRTC needs to be picked up through ACPI rather than PNP ? -- You are receiving this mail because: You are on the CC list for the bug.