2013/2/21 Roy Tam <roy...@gmail.com>: > 2013/2/21 Paolo Bonzini <pbonz...@redhat.com>: >> Il 21/02/2013 01:35, Roy Tam ha scritto: >>>> > QEMU system emulation has been thread-safe for a long time, and >>>> > setting the CPU affinity is hurting performance badly. Remove >>>> > the bogus code. >>>> > >>>> > Jacob Kroon reports that the time to boot his VxWorks image goes from >>>> > "3 minutes passed and I still haven't made it that far" to ~140s. >>>> > >>> Yes it does work better for fdostest.img, but when I tried to boot >>> ttylinux-i686-14.0.iso, qemu freezes after showing "loading vmlinuz >>> ..." >>> >> >> Did it work without the patch? > > Yes, at least linux kernel starts but stalls when hitting IO-APIC > thingy, with noapic boot switch it stalls after detecting ttyS0 > > With patch, QEMU is unresponsive when loading vmlinuz (not even > showing "Decompressing Linux" message)
Clarify that it boots fine sometimes, but when QEMU freezes, there is a thread busy-waiting(seems so): http://i.imgur.com/LUJjd8r.png > >> >> Paolo
