https://bugzilla.kernel.org/show_bug.cgi?id=189431
Bug ID: 189431 Summary: s3 second suspend - "Warning boot script table is modified!!! Please contact your vendor." - Cold boot. Product: ACPI Version: 2.5 Kernel Version: from 3.17 up to current 4.8.11 Hardware: x86-64 OS: Linux Tree: Mainline Status: NEW Severity: normal Priority: P1 Component: Power-Sleep-Wake Assignee: acpi_power-sleep-w...@kernel-bugs.osdl.org Reporter: tem_...@o2.pl Regression: No Created attachment 246551 --> https://bugzilla.kernel.org/attachment.cgi?id=246551&action=edit second suspend log (after cold boot journalctl -b -1) Suspending the laptop into ram on second attempt cousing hard reset (cold boot) with the message from uefi firmwre : Warning!!! Boot script table is modified!!! Please contact your vendor." Arch Linux installed on Lenovo G50-45 (AMD A6 6310 APU with R4 Beema/Mullins) Booting in UEFI mode (but trying boot in Legacy with UEFI and Secure Boot turned off and there is the same reaction - cold boot on second attempt to suspend with warning from BIOS). I tried many Linux disrtibutions with kernels below 3.16 and above (Debian, Slackware, Fedora, OpenSUSE). Probem occurs if you try to use kernel from 3.17 up to current -> 4.8.10. Now I'am using 3.16lts from AUR and suspend to ram works. Problem was posted on Arch Linux Forum : https://bbs.archlinux.org/viewtopic.php?id=218645 and is affecting not only Lenovo laptops as you may think) : https://bugs.launchpad.net/ubuntu/+source/pm-utils/+bug/1528735 Sometimes other laptops just hangs or there is no message from UEFI firmware - just cold boot. >From information I have found in internet it is related to security fix issue of S3 mode : https://support.lenovo.com/br/en/product_security/s3_boot_protect Vulnerability Note VU#976132 http://www.kb.cert.org/vuls/id/976132 UEFI implementations do not properly secure the EFI S3 Resume Boot Path boot script. >From dmidecode: BIOS Information Vendor: LENOVO Version: A2CN40WW(V2.08) Release Date: 08/21/2015 Attached log fom second suspend. Steps to reproduce: Install Arch Linux (or any other distro I've tried) with kernel above 3.16 on Lenovo G50-45 (or other Laptop affected by bios S3 security issue fix) and suspend to ram twice time in a row. -- You are receiving this mail because: You are watching the assignee of the bug. ------------------------------------------------------------------------------ _______________________________________________ acpi-bugzilla mailing list acpi-bugzilla@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/acpi-bugzilla