On 2/13/19 3:46 AM, Laurent Vivier wrote: > On 13/02/2019 14:09, Laurent Vivier wrote: >> Hi, >> >> this one is really a cut'n'paste but it introduces a problem with >> qemu-alpha, I don't know how/why: >> >> $ sudo unshare --ipc --uts --pid --fork --kill-child --mount chroot >> chroot/alpha/sid/ >> Unsupported ioctl: cmd=0x80047476 >> >> And then it hangs. >> >> I'll try to debug. > > In fact it happens with sid, with ppc64 too, but not with m68k and sh4. > > And only with "unshare --pid --fork". > > Without "unshare", the result is: > > Unsupported ioctl: cmd=0x80047476 > bash: cannot set terminal process group (11507): Function not implemented > bash: no job control in this shell > Unsupported ioctl: cmd=0x80087467 > Unsupported ioctl: cmd=0x80087467 > Unsupported ioctl: cmd=0x802c7415
I'm just now getting back to this, and cannot replicate the issue, at least rebased onto master. With or without unshare, I see your "without unshare" results. The rebase onto master is at https://github.com/rth7680/qemu.git lu-split-6 r~
