Messages in this thread | | | Date | Fri, 6 Apr 2018 20:10:57 +0200 (CEST) | From | Sebastian Ott <> | Subject | Re: [bisected] 3c8ba0d61d04ced9f8d9ff93977995a9e4e96e91 oopses on s390 |
| |
On Fri, 6 Apr 2018, Kees Cook wrote: > On Fri, Apr 6, 2018 at 9:47 AM, Kees Cook <keescook@chromium.org> wrote: > > On Fri, Apr 6, 2018 at 2:47 AM, Sebastian Ott <sebott@linux.vnet.ibm.com> wrote: > >> Today's kernel oopsed on s390. Bisect points to: > >> 3c8ba0d61d04 ("kernel.h: Retain constant expression output for max()/min()") > >> > >> [ 1.898277] dasd-eckd 0.0.3304: DASD with 4 KB/block, 21636720 KB total size, 48 KB/track, compatible disk layout > >> [ 1.898308] ------------[ cut here ]------------ > >> [ 1.898310] kernel BUG at block/bio.c:1798! > > > > Well that's extremely bad. :( > > > >> Bisect log and config attached. I'll look at min/max users in the affected > >> areas later today. > > > > Seems like a comparison of objdump output with/without the patch may > > be needed. And why is this s390 only? Ugh. > > I did a objdump diff with your .config and it's rather large -- mostly > seems to be register swaps, so it's not easy to browse.
Yes, I'm looking at that too.
> BTW, what version of gcc did you use? I built using:
gcc version 7.2.0 (GCC)
| |