Hello, Forwarding to the bug address to have this info in the buglog. Please always keep the bug address on Cc: to increase the bus factor.
Best regards Uwe On 2/28/26 16:19, [email protected] wrote: > Dear Uwe, > > Thank you for the informative response. > > Yes, the boot failure occurred more than once and was primarily observed with > 6.12.73+deb13-amd64. Earlier kernels such as 6.12.69+deb13-amd64 have booted > more reliably on this system. > > The failure happens very early in the boot process, typically after: > > "Loading Linux" > "Loading initial ramdisk" > > and occasionally produces EFI stub errors related to kernel decompression. > The issue appears somewhat non deterministic, which may align with your > suggestion regarding EFI stub memory randomization or firmware memory > reservation behavior. > > * I would also like to note that the system had previously been overclocked. > The RAM was undervolted and the CPU slightly overvolted. I have since > reverted BIOS settings to defaults while continuing testing to rule out > hardware instability. > > After reverting the BIOS configuration to optimized defaults, overall system > stability has improved significantly. Boot reliability has increased and the > frequency of early boot failures appears reduced. I am continuing testing > under default settings to determine whether the remaining behavior is > reproducible independent of the previous overclock configuration. > > > Hardware information: > > * > > Motherboard: ASUS Sabertooth Z77 > > * > > CPU: Intel Core i7-3770K (Ivy Bridge) > > * > > Firmware: UEFI > > * > > RAM: PNY DDR3 1866Mhz (testing currently underway due to suspected > instability) > > * > > GPU: NVIDIA 3060 OC (proprietary driver) > > > I have attached kernel logs collected from successful boots of both kernels > as requested. > > I will also review the power management debugging documentation you had > referenced and report back if additional findings appear. > > Please let me know if further diagnostics would be helpful. > > > Best regards, > Donovan > > > > -- > Secured with Tuta Mail: > https://tuta.com/free-email <https://tuta.com/free-email> > > > Feb 27, 2026, 16:56 by [email protected]: > > 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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