On 11/16/21 13:59, Scott Bruce wrote: > On 11/16/21 07:01, Greg Kroah-Hartman wrote: >> This is the start of the stable review cycle for the 5.15.3 release. >> There are 927 patches in this series, all will be posted as a response >> to this one. If anyone has any issues with these being applied, please >> let me know. >> >> Responses should be made by Thu, 18 Nov 2021 14:24:22 +0000. >> Anything received after that time might be too late. >> >> The whole patch series can be found in one patch at: >> https://www.kernel.org/pub/linux/kernel/v5.x/stable-review/patch-5.15.3-rc2.gz >> >> or in the git tree and branch at: >> git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git >> linux-5.15.y >> and the diffstat can be found below. >> >> thanks, >> >> greg k-h >> > > Regression found on x86-64 AMD (ASUS GA503QR, Cezanne platform) > somewhere between 7f9a9d5d9983 and 5.15.3-rc1. The very early -rc1 tag > from a day and a half ago boots fine, -rc1 final and -rc2 boot into a > kernel panic during init. > > Unfortunately I can't gather any useful debug info from the panic as the > relevant bits are instantly pushed off the screen by rest of the dump. > > Here's what I'm left with on screen after the panic, hopefully someone > can get something useful out of it: > https://photos.app.goo.gl/6FrYPfZCY6YdnPDz6 > > I'll bisect and try to narrow this down some today but I'm running > builds on my laptop while I work so it won't be super quick. > > Scott Reverting c3fc9d9e8f2dc518a8ce3c77f833a11b47865944 "x86: Fix __get_wchan() for !STACKTRACE" resolves this issue. With this revert in place 5.15.3-rc2 boots successfully with no dmesg regressions on my AMD Cezanne laptop, I'll wait for actual use tomorrow to leave a proper tested by. Scott
