X server does not start with Mesa 19.2.0
Hi,
Using mesa-19.2.0 on a Slackware64 multilib system, X server fails to start. Get the following error:
[ 1127.985] (II) Initializing extension GLX
[ 1127.992] (EE)
[ 1127.992] (EE) Backtrace:
[ 1127.992] (EE) 0: /usr/libexec/Xorg (OsLookupColor+0x138) [0x58add8]
[ 1127.992] (EE) 1: /lib64/libpthread.so.0 (funlockfile+0x50) [0x7f80c89536df]
[ 1127.992] (EE) 2: /usr/lib64/xorg/modules/dri/i965_dri.so (__driDriverGetExtensions_nouveau_vieux+0x49b49d) [0x7f80c6eda1bd]
[ 1127.992] (EE) 3: /usr/lib64/xorg/modules/dri/i965_dri.so (__driDriverGetExtensions_nouveau_vieux+0x49e8bc) [0x7f80c6ee096c]
[ 1127.993] (EE) 4: /usr/lib64/xorg/modules/dri/i965_dri.so (__driDriverGetExtensions_i915+0x4d1e3) [0x7f80c659c103]
[ 1127.993] (EE) 5: /usr/lib64/xorg/modules/dri/i965_dri.so (__driDriverGetExtensions_nouveau_vieux+0x18315) [0x7f80c65d3ef5]
[ 1127.993] (EE) unw_get_proc_name failed: no unwind info found [-10]
[ 1127.993] (EE) 6: /usr/lib64/xorg/modules/extensions/libglx.so (?+0x0) [0x7f80c7ed5ee0]
[ 1127.993] (EE) unw_get_proc_name failed: no unwind info found [-10]
[ 1127.993] (EE) 7: /usr/lib64/xorg/modules/extensions/libglx.so (?+0x0) [0x7f80c7ece570]
[ 1127.993] (EE) 8: /usr/libexec/Xorg (_CallCallbacks+0x34) [0x444434]
[ 1127.994] (EE) 9: /usr/libexec/Xorg (dri3_send_open_reply+0xf5f) [0x55cf9f]
[ 1127.994] (EE) 10: /usr/libexec/Xorg (InitExtensions+0x89) [0x4a89b9]
[ 1127.994] (EE) 11: /usr/libexec/Xorg (InitFonts+0x1de) [0x442fae]
[ 1127.994] (EE) 12: /lib64/libc.so.6 (__libc_start_main+0xeb) [0x7f80c877ee5b]
[ 1127.994] (EE) 13: /usr/libexec/Xorg (_start+0x2a) [0x42deea]
[ 1127.994] (EE)
[ 1127.994] (EE) Floating point exception at address 0x7f80c6a3ef7d
[ 1127.994] (EE)
Fatal server error:
[ 1127.994] (EE) Caught signal 8 (Floating point exception). Server aborting
[ 1127.994] (EE)
[ 1127.994] (EE)On reverting to mesa 19.1.6, X starts again.
My system is a laptop with integrated Intel Broadwell graphics, running Linux 4.19.75.