Re: Unable to boot UEFI laptop from Debian 11 Live USB stick
Thank you! I was using the 32-bit image! Duh!!! I retried with the 64-bit image and it is all good! On Fri, Feb 11, 2022 at 11:16 AM Andrew M.A. Cater wrote: > On Thu, Feb 10, 2022 at 07:43:56PM -0600, Flacusbigotis wrote: > > Thomas and Andrew, thanks for your reply. > > > > > > The laptop is no more than two years old and it has an Intel Core > i3-1005G1 > > processor. > > Also, I checked the USB stick and it only has the 32-bit EFI program in > the > > EFI boot folder. > > > > I assume based on what Andrew said that maybe the UEFI needs to be > 64-bit. > > I guess I will take the thread to the debian-live mailing list and ask > why > > there is no 64-bit UEFI program and their plans to add one. > > > > On Tue, Feb 8, 2022 at 5:18 AM Thomas Schmitt wrote: > > > > > Hi, > > > > > > Andrew M.A. Cater wrote: > > > > I had a similar issue the other day with an old Intel Baytrail > > > > notebook where the UEFI is 32 bit and the processor is 64 bit - > using a > > > > Debian multi-arch installer worked. I used the one with firmware. > > > > > > This would match the observation that Knoppix 9.1 works. > > > I have Knoppix 9.0 and 9.2 ISOs. On both the EFI partition has start > > > programs for 64 bit and for 32 bit: > > > /mnt/fat/efi/boot/BOOTIA32.efi > > > /mnt/fat/efi/boot/BOOTX64.efi > > > > > > > > > Have a nice day :) > > > > > > Thomas > > > > > > > > Check which Debian live image you downloaded - I think there are two > versions > -- one 32 bit, one 64 bit. > > To be honest, I'd be tempted to just use a standard Debian installer. > > If you have a machine which only has UEFI and refuses to boot a 64 bit > Debian live at any point - at that point, you can look to say whether it's > one of the outliers with a 32 bit BIOS and 64 bit CPU. > > There was a rash of netbooks a few years ago with 2GB RAM for just this > reason > they were sold with cut down 32 bit Windows versions. > > Hope this helps, all the very best, as ever, > > Andy C. > >
Re: Unable to boot UEFI laptop from Debian 11 Live USB stick
On Thu, Feb 10, 2022 at 07:43:56PM -0600, Flacusbigotis wrote: > Thomas and Andrew, thanks for your reply. > > > The laptop is no more than two years old and it has an Intel Core i3-1005G1 > processor. > Also, I checked the USB stick and it only has the 32-bit EFI program in the > EFI boot folder. > > I assume based on what Andrew said that maybe the UEFI needs to be 64-bit. > I guess I will take the thread to the debian-live mailing list and ask why > there is no 64-bit UEFI program and their plans to add one. > > On Tue, Feb 8, 2022 at 5:18 AM Thomas Schmitt wrote: > > > Hi, > > > > Andrew M.A. Cater wrote: > > > I had a similar issue the other day with an old Intel Baytrail > > > notebook where the UEFI is 32 bit and the processor is 64 bit - using a > > > Debian multi-arch installer worked. I used the one with firmware. > > > > This would match the observation that Knoppix 9.1 works. > > I have Knoppix 9.0 and 9.2 ISOs. On both the EFI partition has start > > programs for 64 bit and for 32 bit: > > /mnt/fat/efi/boot/BOOTIA32.efi > > /mnt/fat/efi/boot/BOOTX64.efi > > > > > > Have a nice day :) > > > > Thomas > > > > Check which Debian live image you downloaded - I think there are two versions -- one 32 bit, one 64 bit. To be honest, I'd be tempted to just use a standard Debian installer. If you have a machine which only has UEFI and refuses to boot a 64 bit Debian live at any point - at that point, you can look to say whether it's one of the outliers with a 32 bit BIOS and 64 bit CPU. There was a rash of netbooks a few years ago with 2GB RAM for just this reason they were sold with cut down 32 bit Windows versions. Hope this helps, all the very best, as ever, Andy C.
Re: Unable to boot UEFI laptop from Debian 11 Live USB stick
Hi, Flacusbigotis wrote: > The laptop is no more than two years old and it has an Intel Core i3-1005G1 > processor. > Also, I checked the USB stick and it only has the 32-bit EFI program in the > EFI boot folder. In this case you probably got an "i386" ISO image for 32-bit systems. Try one of the "amd64" ISOs at https://cdimage.debian.org/debian-cd/current-live/amd64/iso-hybrid/ Their EFI partition is supposed to contain /efi/boot/bootx64.efi (I have debian-live-11.1.0-amd64-xfce.iso here and expect no change in the newer 11.2.0 ISO.) Have a nice day :) Thomas
Re: Unable to boot UEFI laptop from Debian 11 Live USB stick
Thomas and Andrew, thanks for your reply. The laptop is no more than two years old and it has an Intel Core i3-1005G1 processor. Also, I checked the USB stick and it only has the 32-bit EFI program in the EFI boot folder. I assume based on what Andrew said that maybe the UEFI needs to be 64-bit. I guess I will take the thread to the debian-live mailing list and ask why there is no 64-bit UEFI program and their plans to add one. On Tue, Feb 8, 2022 at 5:18 AM Thomas Schmitt wrote: > Hi, > > Andrew M.A. Cater wrote: > > I had a similar issue the other day with an old Intel Baytrail > > notebook where the UEFI is 32 bit and the processor is 64 bit - using a > > Debian multi-arch installer worked. I used the one with firmware. > > This would match the observation that Knoppix 9.1 works. > I have Knoppix 9.0 and 9.2 ISOs. On both the EFI partition has start > programs for 64 bit and for 32 bit: > /mnt/fat/efi/boot/BOOTIA32.efi > /mnt/fat/efi/boot/BOOTX64.efi > > > Have a nice day :) > > Thomas > >
Re: Unable to boot UEFI laptop from Debian 11 Live USB stick
Hi, Andrew M.A. Cater wrote: > I had a similar issue the other day with an old Intel Baytrail > notebook where the UEFI is 32 bit and the processor is 64 bit - using a > Debian multi-arch installer worked. I used the one with firmware. This would match the observation that Knoppix 9.1 works. I have Knoppix 9.0 and 9.2 ISOs. On both the EFI partition has start programs for 64 bit and for 32 bit: /mnt/fat/efi/boot/BOOTIA32.efi /mnt/fat/efi/boot/BOOTX64.efi Have a nice day :) Thomas
Re: Unable to boot UEFI laptop from Debian 11 Live USB stick
On Mon, Feb 07, 2022 at 08:47:16PM -0600, Flacusbigotis wrote: > I have followed Debian's instructions ( > https://wiki.debian.org/DebianInstall#Creating_a_Bootable_Debian_USB_Flashdrive) > for creating a bootable USB stick but it fails to boot on my UEFI laptop. > In contrast, I am able to create the same for Knoppix 9.1 following their > instructions. So not sure why the debian one doesn't work. > > The debian instructions basically say to do a normal cp of the hybrid iso > unto the raw USB device as follows (assume USB stick is on /dev/sdf): > > cp debian11_hybrid.iso /dev/sdf > > However, although the USB stick ends up with the 2 corresponding > partitions, and I can mount/see the content of those, my laptop refuses to > recognize the USB stick during boot and so it won't boot off it. > > I have tried the Debian 10 and Debian 11 hybrid images on 2 different USB > sticks and I get the same result. > > According to [this](https://wiki.debian.org/UEFI#UEFI_support_in_live_images) > page the debian live images should boot on UEFI-based systems when USB > sticks are prepared as described above... > > I have inspected the boot options of the laptop in is setup screen, with > the USB stick plugged-in, but the USB stick is not listed as a possible > target. > > BTW, in that laptop setup screen I see a note that says that Legacy Boot > mode is not supported on the laptop. What model of laptop? What's the processor? I ask because I had a similar issue the other day with an old Intel Baytrail notebook where the UEFI is 32 bit and the processor is 64 bit - using a Debian multi-arch installer worked. I used the one with firmware. Happy to help on a reply All the very best, as ever, Andy Cater
Re: Unable to boot UEFI laptop from Debian 11 Live USB stick
Hi, this problem is probably better served on debian-l...@lists.debian.org (or on debian...@lists.debian.org if you tried also a Debian installation ISO). Whatever: Flacusbigotis wrote: > The debian instructions basically say to do a normal cp of the hybrid iso > unto the raw USB device as follows (assume USB stick is on /dev/sdf): > cp debian11_hybrid.iso /dev/sdf This is the currently advised method, indeed. > In contrast, I am able to create the same for > Knoppix 9.1 following their instructions. Did you do the same as with the Debian ISO or did you use "flash-knoppix" to install the ISO onto the stick ? > BTW, in that laptop setup screen I see a note that says that Legacy Boot > mode is not supported on the laptop. Does this note appear unconditionally or does it show up only if the Debian USB stick is present ? -- Far fetched idea: What happens if you replace the partition table on the USB stick by a GPT which marks only the small EFI partition ? I.e. print the partition table of the USB stick, delete it, create a new partition table as GPT and add a partition of the type for EFI with start and size as printed from the original table. (The way to express the EFI partition type differs from partition editor to partition editor. See for example https://wiki.archlinux.org/title/EFI_system_partition#GPT_partitioned_disks ) The big partition of Debian ISOs encloses the small one, which is not allowed in GPT. But the big one exists only to protect the ISO 9660 filesystem from partition editors. It is not needed for booting. Have a nice day :) Thomas
Unable to boot UEFI laptop from Debian 11 Live USB stick
I have followed Debian's instructions ( https://wiki.debian.org/DebianInstall#Creating_a_Bootable_Debian_USB_Flashdrive) for creating a bootable USB stick but it fails to boot on my UEFI laptop. In contrast, I am able to create the same for Knoppix 9.1 following their instructions. So not sure why the debian one doesn't work. The debian instructions basically say to do a normal cp of the hybrid iso unto the raw USB device as follows (assume USB stick is on /dev/sdf): cp debian11_hybrid.iso /dev/sdf However, although the USB stick ends up with the 2 corresponding partitions, and I can mount/see the content of those, my laptop refuses to recognize the USB stick during boot and so it won't boot off it. I have tried the Debian 10 and Debian 11 hybrid images on 2 different USB sticks and I get the same result. According to [this](https://wiki.debian.org/UEFI#UEFI_support_in_live_images) page the debian live images should boot on UEFI-based systems when USB sticks are prepared as described above... I have inspected the boot options of the laptop in is setup screen, with the USB stick plugged-in, but the USB stick is not listed as a possible target. BTW, in that laptop setup screen I see a note that says that Legacy Boot mode is not supported on the laptop.
