Re: qemu-arm-static under amd64: example of stuck looping atomic_cmpset_int while building graphics/poppler-qt5 [a tested fix included]

2019-01-02 Thread Mark Millard via freebsd-ports
On 2019-Jan-2, at 17:41, Kyle Evans wrote: > On Wed, Jan 2, 2019 at 3:38 AM Mark Millard via freebsd-ports > wrote: >> >>> . . . >> >> So (without old line numbers): >> >>} else if (TARGET_URWLOCK_READER_COUNT(state) != 0) { >>/* decrement reader count */ >>for (;;) { >>

Re: qemu-arm-static under amd64: example of stuck looping atomic_cmpset_int while building graphics/poppler-qt5 [a tested fix included]

2019-01-02 Thread Kyle Evans
On Wed, Jan 2, 2019 at 3:38 AM Mark Millard via freebsd-ports wrote: > > On 2019-Jan-1, at 18:43, Mark Millard wrote: > > > The below showed up for poudiere-devel bulk getting stuck using one FreeBSD > > cpu while building graphics/poppler-qt5 . This is not a kevent hang-up, > > unlike > > the l

Re: qemu-arm-static under amd64: example of stuck looping atomic_cmpset_int while building graphics/poppler-qt5 [a tested fix included]

2019-01-02 Thread Mark Millard via freebsd-ports
On 2019-Jan-1, at 18:43, Mark Millard wrote: > The below showed up for poudiere-devel bulk getting stuck using one FreeBSD > cpu while building graphics/poppler-qt5 . This is not a kevent hang-up, unlike > the last hang-up that I analyzed. I do not yet know how repeatable this is > but the origin