NAN pixel not in LOG

[Anonymous]

random nan pixels in render,
the only mention of nan in log is below, but they dont reference the actual maya error pixels i can see.
ignoring infinity/NaN image sample in pixel (1152,1731), rgba=(-nan(ind),-nan(ind),-nan(ind),1)
ignoring infinity/NaN image sample in pixel (1879,936), rgba=(-nan(ind),-nan(ind),-nan(ind),1)

no errors in log but warnings as follow. do any of these seem like a likely cause?

number of warnings, warning type: 00:42:52 52406MB | 1: [disp] %s: padded bounds could be %.3gx more efficient. given disp_padding: %.9g, recommended: %.9g 00:42:52 52406MB | 1: [disp] %s: padding is at least %.3gx smaller than it should be! given disp_padding: %.9g, recommended: %.9g 00:42:52 52406MB | 1: [ginstance] %s: %s needs to reference an object 00:42:52 52406MB | 1: [image] %s: invalid tag found 00:42:52 52406MB | 126: [mtoa.ext] %s Found no translator named "%s" 00:42:52 52406MB | 5: [mtoa.translator] %s: Maya node %s(%s) does not have attribute %s to match parameter %s on Arnold node %s(%s). 00:42:52 52406MB | 1: [rlm] lost connection to license server 00:42:52 52406MB | 930: cannot declare %s %s on %s - name already in use 00:42:52 52406MB | 2: ignoring infinity/NaN image sample in pixel (%d,%d), rgba=(%.9g,%.9g,%.9g,%.9g) 00:42:52 52406MB | 117: node "%s" is already installed

i've already fixed most of the bounds issues, but i assume this wont be a fix for the random arnold error pixels im getting.

is there something buggy about cylindrical area lights perhaps?

[Stephen.Blair]

Blue is the NaN error color. Check your logs, there probably be some messages about that...

[Anonymous]

Would area lights intersecting with geo cause problems in arnold? I've reduced the error pixels but not eliminated them, by moving area lights(cylinder) around in my scene. I can't see anything in the logs mentioning the area light or the geo in question.. excepet for bounding box inefficiencies. (verbosity debug)

[xtvjxk123456]

same error happen today, i can not figure out what's happened.