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09efa62f68
Fixes #4947 It turns out there's something related to boot process in BIOS mode which leads to initramfs corruption on later `kexec`. Booting via GRUB is always successful. Problem with kexec was confirmed with: * direct boot via QEMU * QEMU boot via iPXE (bundled with QEMU) The root cause is not known, but the only visible difference is the placement of RAMDISK with UEFI and BIOS boots: ``` [ 0.005508] RAMDISK: [mem 0x312dd000-0x34965fff] ``` or: ``` [ 0.003821] RAMDISK: [mem 0x711aa000-0x747a7fff] ``` Signed-off-by: Andrey Smirnov <andrey.smirnov@talos-systems.com>