On Wed, Dec 21, 2016 at 5:57 AM, Pavel Dovgalyuk <dovga...@ispras.ru> wrote: >> -----Original Message----- >> From: Stefan Hajnoczi [mailto:stefa...@gmail.com] >> On Tue, Dec 20, 2016 at 11:10 AM, Pavel Dovgalyuk <dovga...@ispras.ru> wrote: >> >> From: Stefan Hajnoczi [mailto:stefa...@gmail.com] >> >> On Tue, Dec 20, 2016 at 10:45:44AM +0300, Pavel Dovgalyuk wrote: >> >> > It also fails much earlier when I enable logs with "-d int -D log". >> >> > >> >> Looks like a heap corruption bug since free() is failing. >> > >> > Seems to be a race condition. >> > When I add logs into invalidate_page_bitmap, the bug disappears. >> > It seems that someone tries to free the same page bitmap twice and >> > simultaneously. >> >> Does the following workaround prevent the crashes? >> >> -global apic-common.vapic=off > > Yes, this option helps. > Thank you.
Good news. This can be fixed in 2.8.1 once someone finds a solution. Stefan