Bug#1051304: error: out of memory

[Julian Andres Klode]

On Tue, Sep 05, 2023 at 09:10:06PM -0400, Daniel Richard G. wrote:
> Package: grub-efi-amd64
> Version: 2.06-13
> Severity: important
> 
> I have encountered a situation where grub-efi-amd64 reports
> 
>     error: out of memory
> 
> in the pre-boot environment despite the system having an adequate amount
> of RAM (8 GB). This occurs when attempting to load an ISO9660 image file
> via loopback, e.g.

You have at most 4 GB of usable memory, high memory is not used here,
and hardware can fail to DMA if you try to use it, it's all very hard.

> 
>     loopback loop /path/to/debian-live-11.2.0-amd64-standard.iso
> 
>     (note that this ISO file is ~1 GB in size)
> 
> This issue is easily reproducible in VirtualBox with an EFI-based VM. I
> do notice that a somewhat smaller ISO (systemrescue-10.01-amd64.iso,
> ~740 MB) is able to be loaded via loopback and booted. Also, this issue
> does NOT occur on grub-pc with an equally-spec'ed BIOS-based VM; that
> one can boot the same ISO file just fine.
> 
> This issue appears to match the following one from the Ubuntu side:
> 
>     https://bugs.launchpad.net/bugs/1842320
> 
> That one revolved more around loading larger initrd files, which
> prevented some users' installed systems from booting. The issue was
> resolved earlier this year, so assuming it is the same as this one, a
> fix should be readily available.

Yes, so please just try the 2.12~rc1-9 in unstable and see if it
fixes your issue.

-- 
debian developer - deb.li/jak | jak-linux.org - free software dev
ubuntu core developer                              i speak de, en