Hello, Actually the FPU emulator is already enabled in that kernel. And I can confirm the bug persist using a kernel I compiled myself with these options enabled.
Best Regards, Guillaume Perréal. Le 13/10/2017 à 21:41, Guillaume Perréal a écrit : > Hello, >> [...] >>>> Kernel: Linux 4.4.52-gnu (SMP w/4 CPU cores) >>> Where is this kernel from? I note the CPU you are using does not >>> have an >>> FPU, so this could be a bug in the kernel FPU emulator. I can't >>> remember >>> what fixes have gone in since 4.4 though. >> This kernel is provided by the manufacturer of the board. I used this >> binary to update the firmware : >> https://github.com/gnubee-git/gnubee-git.github.io/blob/master/debian/librecmc-ramips-mt7621-gb-pc1-squashfs-sysupgrade_2017-07-22.bin. >> In normal operation, only the bootloader, kernel and initramfs are >> used. The initramfs pivots to a GNUBEE-ROOT partition if it finds >> one. The LibreCMC distribution is only used as a fallback. >> >> cat /proc/version >> Linux version 4.4.52-gnu (dgazineu@olimpo) (gcc version 5.4.0 (LEDE >> GCC 5.4.0 r20-646beea) ) #0 SMP Wed Jul 5 16:50:03 2017 > According to > https://wiki.openwrt.org/doc/howto/building_kernels_for_debian_binaries, > it is quite possible that this kernel was not compiled with the FPU > emulator at all. I will try to recompile the kernel with the FPU > emulation and keep you informed. > > Best regards, > Guillaume Perréal.

