Hi Jordy, Thank you for your fast reply. Your links were very helpful. As per the bugzilla report https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=231760, during the kernel load screen I dropped to shell prompt and changed the boot params with command 'set hw.pci.mcfg="0"
I was successful booting and installing FreeBSD from there. Hope it works for you too! Kind regards, Cristian On Sat, Jul 20, 2019 at 12:35 AM Jordy van Wolferen <jo...@jvwdev.nl> wrote: > Hi, > > I have the Thinkpad E485 and I'm also unable to boot FreeBSD on it. > It has some UEFI firmware issues, for linux it needs some kernel arguments > to get it to boot: > "ivrs_ioapic[32]=00:14.0 ivrs_ioapic[33]=00:00.0 iommu=pt" > > https://forums.lenovo.com/t5/Other-Linux-Discussions/ThinkPad-E485-E585-Firmware-bug-ACPI-IVRS-table/td-p/4191484 > . > On linux I have to add the following kernel arguments: > "ivrs_ioapic[32]=00:14.0 ivrs_ioapic[33]=00:00.0 iommu=pt", I would like to > know what the equivalent for FreeBSD arguments are. > > There is also an open bug for Ryzen mobile on FreeBSD: > https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=231760 > > Hope this helps a bit. > > Best regards, > Jordy > > On Sat, Jul 20, 2019 at 12:15 AM Cristian Pogolsha <cpogol...@gmail.com> > wrote: > >> Hi, >> >> I tried recently to boot FreeBSD current r350103 on a Thinkpad A485. It's >> the AMD Ryzen equivalent of the T480. During the boot I encountered this >> ACPI related error >> https://drive.google.com/file/d/1dzgSonn6Cuc1YrDeAUYSqHZlcmzaDY2Y/view >> Sorry that I'm posting images instead of plain text. I have no idea how to >> do kernel dumps during the bootload of a live image. I would be happy to >> post more information if required, let me know how I can do it. >> >> Thank you, >> Cristian >> _______________________________________________ >> freebsd-current@freebsd.org mailing list >> https://lists.freebsd.org/mailman/listinfo/freebsd-current >> To unsubscribe, send any mail to "freebsd-current-unsubscr...@freebsd.org >> " >> > _______________________________________________ freebsd-current@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-current To unsubscribe, send any mail to "freebsd-current-unsubscr...@freebsd.org"