Hi, On Sun, Oct 31, 2021 at 09:19:05AM +0100, Salvatore Bonaccorso wrote: > Control: tags -1 + moreinfo > > Hi > > On Fri, Oct 15, 2021 at 02:52:17PM +0200, Jiri Palecek wrote: > > Package: src:linux > > Version: 5.14.12-1 > > Severity: serious > > X-Debbugs-Cc: Jiri Palecek <jpale...@web.de> > > > > Dear Maintainer, > > > > when I booted my system with the latest kernel from unstable, many of > > the applications didn't work. That includes plasmashell (so I couldn't > > log in into plasma) and chromium. > > > > I ran xterm (which worked) and some of these failing programs under gdb > > and found they all tripped on some sse2 instructions with a > > SIGFPE. However, all the programs work under the kernel from > > linux-image-5.14.0-2-xxxx. > > This is interesting as looking at the commits between 5.14.9 and > 5.14.12 there does not seem to be much related. As pointed out by Ben > offlist, the only plausible commit in this area might be 0723d4f8b179d > "x86/fpu: Restore the masking out of reserved MXCSR bits". > > Can you thus please: Verify the issue is still present in 5.14.15 and > furthermore try to bisect the commit which introduces the problem for > you. In particular check if the 0723d4f8b179d commit is the culprit.
Were you able to bisect the issue? Regards, Salvatore
