Comment 67 for bug 194214

I've run a git-bisect against upstream xserver, results here:
The bug is introduced somewhere in the following commits

a53172827c69a88155a088843c9a3e8a7a7a0463
b76b1d51fe3053fa2a60b64de9ac93f50ef252f5
83e76fb3f7a89a237893c2b7df450d4f90eab52d
b600e7c123ce637359a75c43bf67b3462eadb37e
15117d47bf883f3eefc57404f1dfc0c933ab054a

I can't do better than that, since all these revisions fail to build.
The git bisect log is:
git-bisect start
# bad: [0050d7e78d990fa945bd808554b0a86721262786] DIX: XKB: Set xkbInfo to NULL as well as freeing it (bug #10639)
git-bisect bad 0050d7e78d990fa945bd808554b0a86721262786
# good: [99dd8b9414d1eb7aabc682be0b9cfd7a27eb2a6b] Bump version to 1.4.0.
git-bisect good 99dd8b9414d1eb7aabc682be0b9cfd7a27eb2a6b
# bad: [15117d47bf883f3eefc57404f1dfc0c933ab054a] xkb: enable XI event processing for xkb.
git-bisect bad 15117d47bf883f3eefc57404f1dfc0c933ab054a
# good: [bd779f8cde1c71a0db8470b8c993504da7c1104e] configure.ac/XFree86: Only build XF86Misc and XF86VidMode when appropriate
git-bisect good bd779f8cde1c71a0db8470b8c993504da7c1104e
# skip: [b76b1d51fe3053fa2a60b64de9ac93f50ef252f5] XFree86: Remove ridiculous SIGIO debugging
git-bisect skip b76b1d51fe3053fa2a60b64de9ac93f50ef252f5
# skip: [a53172827c69a88155a088843c9a3e8a7a7a0463] xkb: Store the action filters per device in the XkbSrvInfoRec.
git-bisect skip a53172827c69a88155a088843c9a3e8a7a7a0463
# skip: [b600e7c123ce637359a75c43bf67b3462eadb37e] XKB: Add more bits to xkbsrv.h
git-bisect skip b600e7c123ce637359a75c43bf67b3462eadb37e
# good: [63c6d9d622a10303f594a07bd86dda8e5f894ca7] Xi: Include XI protocol header in exevents.h
git-bisect good 63c6d9d622a10303f594a07bd86dda8e5f894ca7
# skip: [83e76fb3f7a89a237893c2b7df450d4f90eab52d] Save processInputProc before wrapping it and restore it later, instead of using a hardcoded ProcessKeyboardEvent. Otherwise we lose the ability to process DeviceKeyEvents after the first key press.
git-bisect skip 83e76fb3f7a89a237893c2b7df450d4f90eab52d

I'll try to build upstream git head, and verify that the bug is still reproducible in there.