Control: tag -1 + moreinfo Hello,
On Sun, Feb 22, 2026 at 03:18:02AM +0100, [email protected] wrote: > Package: linux-image-6.12.73+deb13-amd64 > Version: 6.12.73+deb13-amd64 > Severity: important > > > > Dear Debian Kernel Team, > > > I would like to report several boot and power-management issues observed > after installing kernel version 6.12.73+deb13-amd64 on older Ivy Bridge > hardware. > > System Information > > > Motherboard: ASUS Sabertooth Z77 > CPU: Intel Core i7-3770K (Ivy Bridge) > Firmware: UEFI (legacy-compatible board) > Distribution: Debian (stable branch) > Architecture: amd64 > GPU: NVIDIA (proprietary driver installed) > > > Problem Description > > After upgrading to kernel 6.12.73+deb13-amd64, the system exhibits multiple > boot and runtime problems: > > > Boot failures occur intermittently with the following messages: > > > > EFI stub: ERROR: Failed to decompress kernel > EFI stub: ERROR: efi_stub_entry() failed That is really surprising. This happens very early in the boot process and if there was a problem in that code, this wouldn't be the only report. The efi stub randomizes the memory location, that is the only non-deterministic thing I'm aware of that could explain that (maybe in combination with a BIOS issue where a memory area isn't marked as reserved). Did that happen more than once and only with 6.12.73+deb13-amd64? > During successful boots, ACPI-related errors appear in dmesg involving > unresolved symbols and SATA controller initialization (_GTF/DSSP related > messages). That is unfortunately normal and most of the time no problem. I would expect you have these with earlier kernels, too. > System suspend behavior is unreliable: > *When placing the system into sleep mode, the computer immediately wakes > without user interaction. https://www.kernel.org/doc/html/latest/power/basic-pm-debugging.html#a-test-modes-of-hibernation contains some debug ideas. I'm not sure how up-to-date this document is, but it is worth a try. > Please let me know if additional logs, dmesg output, or hardware information > would be helpful for debugging. Can you please provide a kernel log for both 6.12.69+deb13-amd64 and 6.12.73+deb13-amd64? Best regards Uwe
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