Hi Andrey, I have found the problem with INT 13h 48h function. The number sectors was wrongly updated. Now Linux Fedora 17 is booting fine.
Thanks for the help Andrey. On Tue, Jun 4, 2013 at 11:55 AM, vinayak holikatti <[email protected]>wrote: > Hi Andrey, > > I will check the INT13h 48h function, Where it is going wrong. Thanks for > the help. > > > > On Mon, Jun 3, 2013 at 6:43 PM, Andrey Borzenkov <[email protected]>wrote: > >> В Mon, 3 Jun 2013 17:26:04 +0530 >> vinayak holikatti <[email protected]> пишет: >> >> > Hi All, >> > >> > I am developing an Legacy Option ROM for our controller. We are facing >> > issue in loading FC 17 installed on our device. Windows 8 Installs and >> > boots fine. But for FC 17 32-bit we find an error message during >> booting as >> > below >> > >> > *"error: attempt to read or write outside of disk 'hd0' >> > * >> > *Entering rescue mode... >> > * >> > *grub_rescue>* >> > >> > >> > I am suspecting that INT13 routine with function 48h ( Get Extended >> Drive >> > parameters). If we disable extended functions then FC 17 boots. >> > >> > >> > I would like to know in what circumstances we get the error message. >> >> a) attempt to read or write outside of disk :) >> b) attempt to read or write past 8MB in on BIOS in CHS mode >> >> You probably hit the latter. Apparently, grub does not like what you >> return from INT13 48h and falls back to CHS. >> >> > If >> it >> > needs to be corrected then what should it be. >> > >> >> See grub-core/disk/i386/pc/biosdisk.c, specifically function >> grub_biosdisk_get_diskinfo_real(). >> >> > Thanks in Advance. >> > >> >> > > > -- > Regards, > Vinayak Holikatti > > -- Regards, Vinayak Holikatti
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