From c379c1c47f2e6aee1e7d7cc9eee8c929d52f6e3e Mon Sep 17 00:00:00 2001 From: Fedja Beader Date: Fri, 26 Oct 2018 15:34:53 +0200 Subject: Add information about panics/freezes on some *00 laptops. --- www/faq.md | 15 +++++++++++++++ 1 file changed, 15 insertions(+) (limited to 'www') diff --git a/www/faq.md b/www/faq.md index 7fcc8ddd..272283e4 100644 --- a/www/faq.md +++ b/www/faq.md @@ -214,6 +214,21 @@ the target (`target$`): 6. Try to reproduce the kernel panic. +Machine check exceptions on some Montevina (Penryn CPU) laptops +--------------------------------------------------------------- + +Some GM45 laptops have been freezing or experiencing a kernel panic +(blinking caps lock LED and totaly unresponsive machine, sometimes followed +by an automatic reboot within 30 seconds). +We do not know what the problem(s) is(are), but a CPU microcode +update in some cases prevents this from happening again. +See the following bug reports for more info: + +- [T400 Machine check: Processor context corrupt](https://notabug.org/libreboot/libreboot/issues/493) +- [X200 Machine check: Processor context corrupt](https://notabug.org/libreboot/libreboot/issues/289) + +- [Unrelated, RAM incompatibility and suspend-to-ram issues on X200](https://libreboot.org/docs/hardware/x200.html#ram_s3_microcode) + Hardware compatibility ====================== -- cgit v1.2.3-70-g09d2