Path: csiph.com!weretis.net!feeder8.news.weretis.net!fu-berlin.de!bofh.it!news.nic.it!robomod From: =?UTF-8?Q?Uwe_Kleine-K=C3=B6nig?= Newsgroups: linux.debian.bugs.dist,linux.debian.kernel Subject: Bug#1128632: linux-image-6.12.73+deb13-amd64: boot failures, ACPI errors, and sleep issues on ASUS Sabertooth Z77 (i7-3770K) Date: Wed, 04 Mar 2026 18:40:01 +0100 Message-ID: References: X-Mailbox-Line: From debian-bugs-dist-request@lists.debian.org Wed Mar 4 17:31:09 2026 Old-Return-Path: X-Spam-Flag: NO X-Spam-Score: -1.699 Reply-To: Uwe =?UTF-8?Q?Kleine-K=C3=B6nig?= , 1128632@bugs.debian.org Resent-To: debian-bugs-dist@lists.debian.org Resent-Cc: debian-kernel@lists.debian.org X-Debian-Pr-Message: followup 1128632 X-Debian-Pr-Package: src:linux X-Debian-Pr-Keywords: moreinfo X-Debian-Pr-Source: linux MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Content-Language: en-US, de-DE Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="------------pLJJ0ViKBoBTwZYu7HnG5eHv" X-Debian-User: ukleinek X-Debian-Message: from BTS X-Mailing-List: archive/latest/1956437 List-ID: List-URL: Approved: robomod@news.nic.it Lines: 214 Organization: linux.* mail to news gateway Sender: robomod@news.nic.it X-Original-Cc: dgering@tutanota.com X-Original-Date: Wed, 4 Mar 2026 18:28:35 +0100 X-Original-Message-ID: X-Original-References: Xref: csiph.com linux.debian.bugs.dist:1284621 linux.debian.kernel:91523 This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --------------pLJJ0ViKBoBTwZYu7HnG5eHv Content-Type: multipart/mixed; boundary="------------ilALb0NE2G3ZP2QdLJIJjoba"; protected-headers="v1" From: =?UTF-8?Q?Uwe_Kleine-K=C3=B6nig?= To: 1128632@bugs.debian.org Cc: dgering@tutanota.com Message-ID: Subject: Re: Bug#1128632: linux-image-6.12.73+deb13-amd64: boot failures, ACPI errors, and sleep issues on ASUS Sabertooth Z77 (i7-3770K) References: In-Reply-To: --------------ilALb0NE2G3ZP2QdLJIJjoba Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Hello, Forwarding to the bug address to have this info in the buglog. Please alw= ays keep the bug address on Cc: to increase the bus factor. Best regards Uwe On 2/28/26 16:19, dgering@tutanota.com wrote: > Dear Uwe, >=20 > Thank you for the informative response. >=20 > Yes, the boot failure occurred more than once and was primarily observe= d with 6.12.73+deb13-amd64. Earlier kernels such as 6.12.69+deb13-amd64 h= ave booted more reliably on this system. >=20 > The failure happens very early in the boot process, typically after: >=20 > "Loading Linux" > "Loading initial ramdisk" >=20 > and occasionally produces EFI stub errors related to kernel decompressi= on. The issue appears somewhat non deterministic, which may align with yo= ur suggestion regarding EFI stub memory randomization or firmware memory = reservation behavior.=C2=A0 >=20 > * I would also like to note that the system had previously been overclo= cked. The RAM was undervolted and the CPU slightly overvolted. I have sin= ce reverted BIOS settings to defaults while continuing testing to rule ou= t hardware instability. >=20 > After reverting the BIOS configuration to optimized defaults, overall s= ystem stability has improved significantly. Boot reliability has increase= d and the frequency of early boot failures appears reduced. I am continui= ng testing under default settings to determine whether the remaining beha= vior is reproducible independent of the previous overclock configuration.= >=20 >=20 > Hardware information: >=20 > * >=20 > Motherboard: ASUS Sabertooth Z77 >=20 > * >=20 > CPU: Intel Core i7-3770K (Ivy Bridge) >=20 > * >=20 > Firmware: UEFI >=20 > * >=20 > RAM: PNY DDR3 1866Mhz (testing currently underway due to suspected = instability) >=20 > * >=20 > GPU: NVIDIA 3060 OC (proprietary driver) >=20 >=20 > I have attached kernel logs collected from successful boots of both ker= nels as requested. >=20 > I will also review the power management debugging documentation you had= referenced and report back if additional findings appear. >=20 > Please let me know if further diagnostics=C2=A0 would be helpful. >=20 >=20 > Best regards, > Donovan >=20 >=20 >=20 > -- > Secured with Tuta Mail: > https://tuta.com/free-email >=20 >=20 > Feb 27, 2026, 16:56 by ukleinek@debian.org: >=20 > Control: tag -1 + moreinfo >=20 > Hello, >=20 > On Sun, Feb 22, 2026 at 03:18:02AM +0100, dgering@tutanota.com wrot= e: >=20 > Package: linux-image-6.12.73+deb13-amd64 > Version: 6.12.73+deb13-amd64 > Severity: important >=20 >=20 >=20 > Dear Debian Kernel Team, >=20 >=20 > I would like to report several boot and power-management issues= observed after installing kernel version 6.12.73+deb13-amd64 on older Iv= y Bridge hardware. >=20 > System Information >=20 >=20 > 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) >=20 >=20 > Problem Description >=20 > After upgrading to kernel 6.12.73+deb13-amd64, the system exhib= its multiple boot and runtime problems: >=20 >=20 > Boot failures occur intermittently with the following messages:= >=20 >=20 >=20 > EFI stub: ERROR: Failed to decompress kernel > EFI stub: ERROR: efi_stub_entry() failed >=20 >=20 > That is really surprising. This happens very early in the boot proc= ess > 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 on= ly > 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? >=20 > During successful boots, ACPI-related errors appear in dmesg in= volving unresolved symbols and SATA controller initialization (_GTF/DSSP = related messages). >=20 >=20 > That is unfortunately normal and most of the time no problem. I wou= ld > expect you have these with earlier kernels, too. >=20 > System suspend behavior is unreliable: > *When placing the system into sleep mode, the computer immediat= ely wakes without user interaction. >=20 >=20 > https://www.kernel.org/doc/html/latest/power/basic-pm-debugging.htm= l#a-test-modes-of-hibernation > contains some debug ideas. I'm not sure how up-to-date this documen= t is, > but it is worth a try. >=20 > Please let me know if additional logs, dmesg output, or hardwar= e information would be helpful for debugging. >=20 >=20 > Can you please provide a kernel log for both 6.12.69+deb13-amd64 an= d > 6.12.73+deb13-amd64? >=20 > Best regards > Uwe >=20 >=20 --------------ilALb0NE2G3ZP2QdLJIJjoba-- --------------pLJJ0ViKBoBTwZYu7HnG5eHv Content-Type: application/pgp-signature; name="OpenPGP_signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="OpenPGP_signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAEBCgAdFiEEP4GsaTp6HlmJrf7Tj4D7WH0S/k4FAmmoa8MACgkQj4D7WH0S /k7tuwf/RK3/UmgB8OCYwZKxGPHPhOHE3aSFKfpQuiOub8n/t+dV4GnyfSmZhq9T V/kiUydU1YqiBrdUUBbUa3hjWiklyNZF+TUjyoo7pDqJ4kt98JBzY9k0RsaazgfS oUcXOc98UoKcJM+YIfK4ZQebNsfSRIxsO6cdy+g1l68Wcllz6P+t+mPCmixYqOsT ZpLoKvr+m2taTydVY8fS+vcrxL+Kcp35qdp+xZkxQbxhmInJaC5BQXXF4I0ZxmBR P9Ymo0YCH14jYsUYzSCZt32iO765Bq6RK6/VnhbI1/WfeCyv5apKAF0U4FYJypPj TgtwU8IZCuO2MvYkHPLFkd4QTuWbEQ== =Zj5m -----END PGP SIGNATURE----- --------------pLJJ0ViKBoBTwZYu7HnG5eHv--