Quoting Tvrtko Ursulin (2019-10-07 17:56:20)
>
> On 07/10/2019 09:27, Chris Wilson wrote:
> > We are still hitting the occasional stall upon submission, so be extra
> > caution and leave one more spare.
> >
> > Signed-off-by: Chris Wilson <[email protected]>
> > ---
> > lib/i915/gem_ring.c | 4 ++--
> > 1 file changed, 2 insertions(+), 2 deletions(-)
> >
> > diff --git a/lib/i915/gem_ring.c b/lib/i915/gem_ring.c
> > index 272264659..9f099edff 100644
> > --- a/lib/i915/gem_ring.c
> > +++ b/lib/i915/gem_ring.c
> > @@ -104,7 +104,7 @@ __gem_measure_ring_inflight(int fd, unsigned int
> > engine, enum measure_ring_flags
> > } while (1);
> >
> > igt_assert_eq(__execbuf(fd, &execbuf), -EINTR);
> > - igt_assert(count > 1);
> > + igt_assert(count > 2);
> >
> > memset(&itv, 0, sizeof(itv));
> > setitimer(ITIMER_REAL, &itv, NULL);
> > @@ -120,7 +120,7 @@ __gem_measure_ring_inflight(int fd, unsigned int
> > engine, enum measure_ring_flags
> > gem_quiescent_gpu(fd);
> >
> > /* Be conservative in case we must wrap later */
> > - return count - 1;
> > + return count - 2;
> > }
> >
> > /**
> >
>
> Will one make a difference?
I'm willing to find out!
All I am going on is
rcs0
*** WEDGED ***
Awake? 66
Hangcheck: 11959 ms ago
Reset count: 0 (global 8)
Requests:
MMIO base: 0x00002000
CCID: 0x00000000
RING_START: 0x00000000
RING_HEAD: 0x00000000
RING_TAIL: 0x00000000
RING_CTL: 0x00000000
RING_MODE: 0x00000200 [idle]
RING_IMR: ffffffff
ACTHD: 0x00000000_00000000
BBADDR: 0x00000000_00000000
DMA_FADDR: 0x00000000_00000000
IPEIR: 0x00000000
IPEHR: 0x00000000
E 3:139cd! @ 12914ms: gem_eio[1345]
E 3:139ce! @ 12914ms: gem_eio[1345]
E 3:139cf! @ 12914ms: gem_eio[1345]
E 3:139d0! @ 12914ms: gem_eio[1345]
E 3:139d1! @ 12914ms: gem_eio[1345]
E 3:139d2! @ 12913ms: gem_eio[1345]
E 3:139d3! @ 12913ms: gem_eio[1345]
...skipping 25 executing requests...
E 3:139ed! @ 0ms: gem_eio[1345]
which tells me it was blocked in submission until hangcheck kicked in
and declared the system wedged.
-Chris
_______________________________________________
Intel-gfx mailing list
[email protected]
https://lists.freedesktop.org/mailman/listinfo/intel-gfx
