Re: PCI range checking under qemu-system-sparc64
Mark Cave-Ayland <[email protected]>
| Newsgroups | gmane.os.freebsd.devel.sparc |
|---|---|
| Message-ID | <[email protected]> |
On 17/09/15 09:28, Alexey Dokuchaev wrote: > On Wed, Sep 16, 2015 at 11:19:15PM +0200, Marius Strobl wrote: >> [...] >> Which suggest that the next thing to investigate is the CMD646 >> emulation. Is there a particular reason why QEMU emulates a >> CMD646U rather than a plain CMD646 as found in the real sun4u >> machines of the USIIe/i era? >> >> Alexey, does building the port with CDROM_DMA disabled make >> a difference? > > Ironically I had it already disabled prior to your question; but I've > rebuilt the port enabling it for completeness' sake. It did not make > a difference. > > Then I've disabled all CAM/ATA stuff (scbus, ata, umass, etc.) in the > kernel config and that's what I see now (this is with CDROM_DMA=on): What does the CAM/ATA stuff do here? Does this mean it may not necessarily be an interrupt issue if you can get to mounting the root fs with CDROM_DMA=on? ATB, Mark. _______________________________________________ [email protected] mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-sparc64 To unsubscribe, send any mail to "[email protected]"