On 07/03/2015 10:15 AM, Hannes Reinecke wrote: > > After some _very_ tedious debugging I've found this to be an issue > with the ahci driver in qemu; ATAPI PIO transfers seem to be > slightly buggy. Enabling 'atapi_dma' transfers in atapi driver (even > for PIO mode) makes everything work again.
PIO again! Alright, fun. Try a git bisect, except cheat and try before and after 1cbdd96813474de4191b0b37b859a5460373093b -- That's my wild guess. Will check it out Monday, otherwise. Thanks, --John