Re: Old PowerMac G5 2-socket/2-cores-each: head -r368820 kernel reports: bus_dmamem_alloc failed to align memory properly
Dennis Clarke via freebsd-ppc <[email protected]>
| Newsgroups | gmane.os.freebsd.devel.ppc |
|---|---|
| Message-ID | <[email protected]> |
>> >> Try the following in openfirmware before booting: >> >> dev /memory@0 100000 1000 do-unmap >> Getting to the OpenFirmware prompt is a real pain with a PC keyboard but I will see if I can figure out the Vulkan salute finger combination. >> There are certain versions of OpenFirmware that leave a page mapped >> with the wrong protections erroneously and this smells like that bug to >> me. > > In fact, given the srr0 value in the fault, I am *certain* this is your problem. > Lovely. > You can use nvedit to make this bugfix permanent for a given machine (We don't have our own guide, but the NetBSD guide @ https://www.netbsd.org/ports/macppc/nvedit.html is usable to apply this patch.) > I assure you that I have no idea at all what you are talking about. Dennis _______________________________________________ [email protected] mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-ppc To unsubscribe, send any mail to "[email protected]"