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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [IVB] CONFIG_PROVE_LOCKING=y causes igt/gem_exec/basic-wait-all (and possibly others) to fail"
href="https://bugs.freedesktop.org/show_bug.cgi?id=99130#c3">Comment # 3</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [IVB] CONFIG_PROVE_LOCKING=y causes igt/gem_exec/basic-wait-all (and possibly others) to fail"
href="https://bugs.freedesktop.org/show_bug.cgi?id=99130">bug 99130</a>
from <span class="vcard"><a class="email" href="mailto:chris@chris-wilson.co.uk" title="Chris Wilson <chris@chris-wilson.co.uk>"> <span class="fn">Chris Wilson</span></a>
</span></b>
<pre>Looks like the timeout value isn't being computed properly (possibly just that
too much time is unaccounted?). Can you apply:
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 1b2f18d0ca2b..dfe751b350ad 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -3019,6 +3019,7 @@ i915_gem_wait_ioctl(struct drm_device *dev, void *data,
struct drm_file *file)
{
struct drm_i915_gem_wait *args = data;
struct drm_i915_gem_object *obj;
+ u64 prev_timeout = args->timeout_ns;
ktime_t start;
long ret;
@@ -3042,6 +3043,12 @@ i915_gem_wait_ioctl(struct drm_device *dev, void *data,
struct drm_file *file)
args->timeout_ns = 0;
}
+ pr_info("%s: timeout %d.%09d -> %d.%09d\n", __func__,
+ prev_timeout < 0 ? -1 : ns_to_timespec(prev_timeout).tv_sec,
+ prev_timeout < 0 ? 0 : ns_to_timespec(prev_timeout).tv_nsec,
+ args->timeout_ns < 0 ? -1 :
ns_to_timespec(args->timeout_ns).tv_sec,
+ args->timeout_ns < 0 ? 0 :
ns_to_timespec(args->timeout_ns).tv_nsec);
+
i915_gem_object_put(obj);
return ret;
}
and get the output for a failure?</pre>
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