On Thu, 09 Dec 2004 21:04:19 +0900, Rob <[EMAIL PROTECTED]> wrote: > Arjan Van Leeuwen wrote: > > > > On Thu, 09 Dec 2004 14:24:35 +0900, Rob <[EMAIL PROTECTED]> wrote: > > > >>Hi, > >> > >>In /boot/loader.conf, I have > >> hw.ata.ata_dma="0" > >>to prevent a WRITE_DMA failure crash at bootup. > >>Unfortunately, this forces my UDMA100 harddisk to operate > >>at PIO4 speed. > >> > >>There are patches flying around on this mailing list that might > >>solve the problem. I'm very keen on testing such patches, but I > >>should remove the line in loader.conf. However, if the patch does > >>not work, I end up with an unbootable disk. > >> > >>It would be nice if I can set hw.ata.ata_dma="0" at the loader > >>prompt during bootup, so that the system at least will boot from > >>harddisk. Is that possible? > >> > > > > > > I'm not sure if I understand what you want, but you can use eg > > 'atacontrol mode <channel> udma33 udma33' to set your hard drive to > > UDMA-33 after the system has booted. > > No, that's no option. The situation is this: I have a harddisk with FreeBSD > 5.3, which fails to boot. It would boot if I had hw.ata.ata_dma="0" in > /boot/loader.conf; however, that file is empty, so the bootup crashes > with a WRITE_DMA failure when the kernel loads. > > I can get at the bootloader prompt during the boot. What I want to know is: > can I type something here that has the same effect as hw.ata.ata_dma="0" in > /boot/loader.conf? Then I can continue loading the kernel.
Ah, ok, now I understand. > set hw.ata.ata_dma=0 > boot Arjan > > > > Thanks, > Rob. > _______________________________________________ > [EMAIL PROTECTED] mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-stable > To unsubscribe, send any mail to "[EMAIL PROTECTED]" > _______________________________________________ [EMAIL PROTECTED] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "[EMAIL PROTECTED]"
