zhoucm1 <zhoucm1@xxxxxxx> writes:
> On 2018年11月09日 00:52, Christian König wrote:
>> Am 08.11.18 um 17:07 schrieb Koenig, Christian:
>>> Am 08.11.18 um 17:04 schrieb Eric Anholt:
>>>> Daniel suggested I submit this, since we're still seeing regressions
>>>> from it. This is a revert to before 48197bc564c7 ("drm: add syncobj
>>>> timeline support v9") and its followon fixes.
>>> This is a harmless false positive from lockdep, Chouming and I are
>>> already working on a fix.
>>
>> On the other hand we had enough trouble with that patch, so if it
>> really bothers you feel free to add my Acked-by: Christian König
>> <christian.koenig@xxxxxxx> and push it.
> NAK, please no, I don't think this needed, the Warning totally isn't
> related to syncobj timeline, but fence-array implementation flaw, just
> exposed by syncobj.
> In addition, Christian already has a fix for this Warning, I've tested.
> Please Christian send to public review.
I backed out my revert of #2 (#1 still necessary) after adding the
lockdep regression fix, and now my CTS run got oomkilled after just a
few hours, with these notable lines in the unreclaimable slab info list:
[ 6314.373099] drm_sched_fence 69095KB 69095KB
[ 6314.373653] kmemleak_object 428249KB 428384KB
[ 6314.373736] kmalloc-262144 256KB 256KB
[ 6314.373743] kmalloc-131072 128KB 128KB
[ 6314.373750] kmalloc-65536 64KB 64KB
[ 6314.373756] kmalloc-32768 1472KB 1728KB
[ 6314.373763] kmalloc-16384 64KB 64KB
[ 6314.373770] kmalloc-8192 208KB 208KB
[ 6314.373778] kmalloc-4096 2408KB 2408KB
[ 6314.373784] kmalloc-2048 288KB 336KB
[ 6314.373792] kmalloc-1024 1457KB 1512KB
[ 6314.373800] kmalloc-512 854KB 1048KB
[ 6314.373808] kmalloc-256 188KB 268KB
[ 6314.373817] kmalloc-192 69141KB 69142KB
[ 6314.373824] kmalloc-64 47703KB 47704KB
[ 6314.373886] kmalloc-128 46396KB 46396KB
[ 6314.373894] kmem_cache 31KB 35KB
No results from kmemleak, though.
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