Scribbling feverishly on January 14, Jim Conner managed to emit: > Found another wrinkle on my system. This may affect some and not others > depending on hardware and such. If you have DMA turned on when you compiled > the kernel, it will enable DMA for the cdrom and cdrw. This will cause a > kernel oops when you mount the cd and the only way out is the reset button.
Well, possibly. The two kernel configuration directives that affect this are CONFIG_IDEDMA_PCI_AUTO and CONFIG_BLK_DEV_IDEDMA_PCI. If you said yes to the first, so no, recompile, and see if the workaround below is still necessary. > I got around it by doing this. I put these two lines in /etc/rc.d/rc.local: > > hdparm -d0 /dev/hdd > hdparm -d0 /dev/hde This will work, of course, but may not be necessary. > Please change this to reflect your appropriate drives. It turns off DMA for > the two drives and every thing works just perfect. Well, almost, cd audio > doesn't work no matter what I try. Although I haven't tried the obligatory > sacrificial chicken on the keyboard. :) Well, as the old timers on this list and its predecessor (RIP) know, chicken feet boast heap big mojo... Kurt -- Never reveal your best argument. _______________________________________________ Linux-users mailing list Archives, Digests, etc at http://linux.nf/mailman/listinfo/linux-users
