tag -1 +pending On Mon, Jun 22, 2015 at 03:59:48PM +0100, Pete wrote: >Package: cdimage.debian.org >Severity: important >Tags: newcomer > >Dear Maintainers, > >It appears that the Debian 8.0 "Jessie" ISO release uses a GRUB binary that >doesn't embed the 'part_gpt' GRUB module. > >Because of this, if you happen to copy the "Jessie" ISO content onto a FAT32 >drive (eg: USB Flash Drive) that was partitioned using GPT, you will end up >with the GRUB rescue prompt when booting on a UEFI system, as GRUB will not be >able to locate the installation files on the GPT drive. > >Note that this is only an issue if you copy content into an installation media >that is GPT: If you use 'dd' to create the installation media from the >ISOHybrid, or copy the content to a FAT32 drive that uses the MBR partition >scheme, then the problem does not occur. > > >Looking at the GRUB EFI binary's strings from the ISO, it seems that 'part_gpt' >was not embedded, which in turn prevents the embedded 'grub.cfg' from locating >the '/.disk/info' marker during the search for the root media, as it cannot >access GPT volumes.
ACK. I've just added part_gpt to the script which generates the EFI images in d-i for unstable/testing releases and I'll see about getting the change backported too. -- Steve McIntyre, Cambridge, UK. [email protected] You lock the door And throw away the key There's someone in my head but it's not me

