Control: tags -1 + unreproducible Hi,
On Sat, Nov 13, 2021 at 11:09:33AM +0100, Salvatore Bonaccorso wrote: > 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? furthermore, can you add the reports 'reportbug kernel' will accordingly add to a bugreport. This helps to get a better overview. Still i would like to know if you were able to test the above, as we have not seen any other related reports so far. Regards, Salvatore