Added 2 more screenshots, too, to show that the bug appears on any kind of non-transparent block.
Connor Griggs you can capture the box when making several screenshots very quickly, see my report for the screenshots: https://bugs.mojang.com/browse/MC-48095
AfterI realised what I wrote in the EDIT, I posted a new screenshot.
Well, the missing texture is not actually appearing only when the torch is placed on the bottom of a block, see more on my bug report: https://bugs.mojang.com/browse/MC-48095
I also have no resourcepack installed and my environment is:
Windows 8 (not 8.1), Java 7 Update 51
(if you wanted to know what version of Java I got or what RP i was using / if I did change my RP before the bug)
If you want to know what exactly was built on my map, it is:
A machine made of redstone & command blocks that automatically kills all chickens spawned
Another redstone & command block machine that creates primed TNTs in the air and teleports them to XPorbs in 200 blocks range (see sethbling`s video "Explosive Projectiles -- Minecraft Mapmaking Trick" at http://www.youtube.com/watch?v=vxDi41dmgMc
A sandstone cuboid with a capacity of 3192 blocks, used for the explosive projectiles
Two command blocks that resets the cuboid and removes dropped items
However, turning all the machines off does not change or remove the bug, it`s still there.
Still in 14w06b. Looks like its a pretty hard bug to be fixed.
Kumasasa you took down my bug report, too, because it was a duplicate of the bug report you just mentioned. But I searched for "torch" and "torch ceiling" and nothing simmilar to this bug showed up! How should I know If a report of the bug already exists, then?