Bug#695500: got the same error "error: "prefix" is not set" with uefi boot
trying to boot the installer in efi mode I got the same error booting
from cd or from usb. after changing uefi to legacy in the uefi/bios
settings the error is not there. in uefi mode I have the same simptoms
as described in the first line
here:http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=700175
"When booting, GRUB complained "error: "prefix" is not set". Then the
display switched to distorted/repeated image of Tux, with both the image
and all text completely garbled. Tried "ESC" as suggested in section
5.1.7 of the Installation Guide (
http://www.debian.org/releases/testing/amd64/ch05s01.html.en ) as well
as H then Enter. Neither of these gave me a text prompt that I could
discern, and if I hit Enter at all, the image would change, then switch
to black with garbled white text, and then the Caps Lock light would
start to flash, and even Ctrl+Alt+Del did nothing. I was able to resolve
this issue by switching from UEFI to "Legacy Boot" in the Dell A05 BIOS
(rev 2012-08-13). "
lspci:
00:00.0 Host bridge: Intel Corporation Xeon E3-1200 v2/3rd Gen Core
processor DRAM Controller (rev 09)
00:02.0 VGA compatible controller: Intel Corporation Xeon E3-1200 v2/3rd
Gen Core processor Graphics Controller (rev 09)
00:1a.0 USB controller: Intel Corporation 6 Series/C200 Series Chipset
Family USB Enhanced Host Controller #2 (rev 04)
00:1b.0 Audio device: Intel Corporation 6 Series/C200 Series Chipset
Family High Definition Audio Controller (rev 04)
00:1c.0 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset
Family PCI Express Root Port 1 (rev b4)
00:1c.5 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset
Family PCI Express Root Port 6 (rev b4)
00:1d.0 USB controller: Intel Corporation 6 Series/C200 Series Chipset
Family USB Enhanced Host Controller #1 (rev 04)
00:1f.0 ISA bridge: Intel Corporation H61 Express Chipset Family LPC
Controller (rev 04)
00:1f.2 SATA controller: Intel Corporation 6 Series/C200 Series Chipset
Family SATA AHCI Controller (rev 04)
00:1f.3 SMBus: Intel Corporation 6 Series/C200 Series Chipset Family
SMBus Controller (rev 04)
02:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd.
RTL8111/8168B PCI Express Gigabit Ethernet controller (rev 07)
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