Hi, Maybe you can try this: http://patchwork.linux-mips.org/patch/6506/ http://patchwork.linux-mips.org/patch/6507/ On Sat, Feb 8, 2014 at 11:39 AM, Guenter Roeck <linux@xxxxxxxxxxxx> wrote: > > Hi all, > > in 3.14-rc1, my mips64 qemu test fails. The image boots and then hangs. > Bisect points to commit 597ce1723 (MIPS: Support for 64-bit FP with O32 > binaries). > Reverting this commit fixes the problem. Disabling MIPS_O32_FP64_SUPPORT > in my test image does _not_ solve the problem. The qemu version does not > seem > to make a difference; I tested with qemu 1.6.0 and 1.7.0. > > Console log output is available in > http://server.roeck-us.net:8010/builders/qemu-mips64-master/builds/34/steps/buildcommand/logs/stdio > > When the problem is seen, the emulation hangs as can be seen in the log, > and the qemu process consumes 100% CPU until it is killed. > > qemu command line is > > qemu-system-mips64 -kernel vmlinux -M malta -hda > core-image-minimal-qemumips64.ext3 \ > -vga cirrus -usb -usbdevice wacom-tablet -no-reboot -m 128 --append > "root=/dev/hda \ > rw mem=128M console=ttyS0 console=tty" -nographic > > The same configuration works fine with earlier kernels. I'll be happy to > provide > the detailed configuration as well as the root file system for testing if > needed. > > Obviously I have no idea if this is a problem with the patch or with qemu. > If there is anything I can do to help tracking down the problem further, > please let me know. > > Thanks, > Guenter >
