Fedora 25+Mesa+AMD: GPU App Produces Copius Kernel Errors, Fills /var in minutes

After upgrading to F25, I cannot run E@H GPU Apps since the kernel produces copious errors and fills /var in minutes.  See below for an example.

Dec 07 21:42:42 wrangler kernel: [drm:si_vm_reg_valid.part.24 [radeon]] *ERROR* Invalid register 0x950c in CS
Dec 07 21:42:42 wrangler kernel:         0xc0012800
Dec 07 21:42:42 wrangler kernel:         0x80000000
Dec 07 21:42:42 wrangler kernel:         0x80000000
Dec 07 21:42:42 wrangler kernel:         0xc0026900
Dec 07 21:42:42 wrangler kernel:         0x00000286
Dec 07 21:42:42 wrangler kernel:         0x42800000
Dec 07 21:42:42 wrangler kernel:         0x00000000
Dec 07 21:42:42 wrangler kernel:         0xc0036900
Dec 07 21:42:42 wrangler kernel:         0x00000295
Dec 07 21:42:42 wrangler kernel:         0x00000080
Dec 07 21:42:42 wrangler kernel:         0x00000040
Dec 07 21:42:42 wrangler kernel:         0x00000002
Dec 07 21:42:42 wrangler kernel:         0xc0016900
Dec 07 21:42:42 wrangler kernel:         0x000002a3
Dec 07 21:42:42 wrangler kernel:         0x00000000
Dec 07 21:42:42 wrangler kernel:         0xc0016900
Dec 07 21:42:42 wrangler kernel:         0x000002ca
Dec 07 21:42:42 wrangler kernel:         0x00000000
Dec 07 21:42:42 wrangler kernel:         0xc0016900
Dec 07 21:42:42 wrangler kernel:         0x000002e6
Dec 07 21:42:42 wrangler kernel:         0x00000000
Dec 07 21:42:42 wrangler kernel:         0xc0016900
Dec 07 21:42:42 wrangler kernel:         0x000002ae
Dec 07 21:42:42 wrangler kernel:         0x00000000
Dec 07 21:42:42 wrangler kernel:         0xc0016800
Dec 07 21:42:42 wrangler kernel:         0x00000285
Dec 07 21:42:42 wrangler kernel:         0x00000007
Dec 07 21:42:42 wrangler kernel:         0xc0026900
Dec 07 21:42:42 wrangler kernel:         0x000002f5
Dec 07 21:42:42 wrangler kernel:         0x76543210
Dec 07 21:42:42 wrangler kernel:         0xfedcba98
Dec 07 21:42:42 wrangler kernel:         0xc0016900
Dec 07 21:42:42 wrangler kernel:         0x0000020b
Dec 07 21:42:42 wrangler kernel:         0x00000000
Dec 07 21:42:42 wrangler kernel:         0xc0216900
Dec 07 21:42:42 wrangler kernel:         0x000000b4
Dec 07 21:42:42 wrangler kernel:         0x00000000
Dec 07 21:42:42 wrangler kernel:         0x3f800000
Dec 07 21:42:42 wrangler kernel:         0x00000000
Dec 07 21:42:42 wrangler kernel:         0x3f800000
Dec 07 21:42:42 wrangler kernel:         0x00000000
Dec 07 21:42:42 wrangler kernel:         0x3f800000
Dec 07 21:42:42 wrangler kernel:         0x00000000
Dec 07 21:42:42 wrangler kernel:         0x3f800000
Dec 07 21:42:42 wrangler kernel:         0x00000000
Dec 07 21:42:42 wrangler kernel:         0x3f800000
Dec 07 21:42:42 wrangler kernel:         0x00000000
Dec 07 21:42:42 wrangler kernel:         0x3f800000
Dec 07 21:42:42 wrangler kernel:         0x00000000
Dec 07 21:42:42 wrangler kernel:         0x3f800000
Dec 07 21:42:42 wrangler kernel:         0x00000000
Dec 07 21:42:42 wrangler kernel:         0x3f800000
Dec 07 21:42:42 wrangler kernel:         0x00000000
Dec 07 21:42:42 wrangler kernel:         0x3f800000
Dec 07 21:42:42 wrangler kernel:         0x00000000
Dec 07 21:42:42 wrangler kernel:         0x3f800000
Dec 07 21:42:42 wrangler kernel:         0x00000000
Dec 07 21:42:42 wrangler kernel:         0x3f800000
Dec 07 21:42:42 wrangler kernel:         0x00000000
Dec 07 21:42:42 wrangler kernel:         0x3f800000
Dec 07 21:42:42 wrangler kernel:         0x00000000
Dec 07 21:42:42 wrangler kernel:         0x3f800000
Dec 07 21:42:42 wrangler kernel:         0x00000000
Dec 07 21:42:42 wrangler kernel:         0x3f800000
Dec 07 21:42:42 wrangler kernel:         0x00000000
Dec 07 21:42:42 wrangler kernel:         0x3f800000
Dec 07 21:42:42 wrangler kernel:         0x00000000
Dec 07 21:42:42 wrangler kernel:         0x3f800000
Dec 07 21:42:42 wrangler kernel:         0x2a00126a
Dec 07 21:42:42 wrangler kernel:         0xc0016900
Dec 07 21:42:42 wrangler kernel:         0x00000081
Dec 07 21:42:42 wrangler kernel:         0x80000000
Dec 07 21:42:42 wrangler kernel:         0xc0026900
Dec 07 21:42:42 wrangler kernel:         0x00000090
Dec 07 21:42:42 wrangler kernel:         0x80000000
Dec 07 21:42:42 wrangler kernel:         0x40004000
Dec 07 21:42:42 wrangler kernel:         0xc0026900
Dec 07 21:42:42 wrangler kernel:         0x0000000c
Dec 07 21:42:42 wrangler kernel:         0x00000000
Dec 07 21:42:42 wrangler kernel:         0x40004000
Dec 07 21:42:42 wrangler kernel:         0xc0016900
Dec 07 21:42:42 wrangler kernel:         0x00000083
Dec 07 21:42:42 wrangler kernel:         0x0000ffff
Dec 07 21:42:42 wrangler kernel:         0xc0026900
Dec 07 21:42:42 wrangler kernel:         0x0000008c
Dec 07 21:42:42 wrangler kernel:         0xaaaaaaaa
Dec 07 21:42:42 wrangler kernel:         0x00000000
Dec 07 21:42:42 wrangler kernel:         0xc0016900
Dec 07 21:42:42 wrangler kernel:         0x00000208
Dec 07 21:42:42 wrangler kernel:         0x00000000
Dec 07 21:42:42 wrangler kernel:         0xc0036900
Dec 07 21:42:42 wrangler kernel:         0x000002b0
Dec 07 21:42:42 wrangler kernel:         0x00000000
Dec 07 21:42:42 wrangler kernel:         0x00000000
Dec 07 21:42:42 wrangler kernel:         0x00000000
Dec 07 21:42:42 wrangler kernel:         0xc0016900
Dec 07 21:42:42 wrangler kernel:         0x00000003
Dec 07 21:42:42 wrangler kernel:         0x00000028
Dec 07 21:42:42 wrangler kernel:         0xc0036900
Dec 07 21:42:42 wrangler kernel:         0x00000100
Dec 07 21:42:42 wrangler kernel:         0xffffffff
Dec 07 21:42:42 wrangler kernel:         0x00000000
Dec 07 21:42:42 wrangler kernel:         0x00000000
Dec 07 21:42:42 wrangler kernel:         0xc0016900
Dec 07 21:42:42 wrangler kernel:         0x00000020
Dec 07 21:42:42 wrangler kernel:         0x00008100
Dec 07 21:42:42 wrangler kernel:         0xc0037600
Dec 07 21:42:42 wrangler kernel:         0x00000204
Dec 07 21:42:42 wrangler kernel:         0x00000000
Dec 07 21:42:42 wrangler kernel:         0x00000000
Dec 07 21:42:42 wrangler kernel:         0x00000000
Dec 07 21:42:42 wrangler kernel:         0xc0037600
Dec 07 21:42:42 wrangler kernel:         0x00000215
Dec 07 21:42:42 wrangler kernel:         0x00000000
Dec 07 21:42:42 wrangler kernel:         0xffffffff
Dec 07 21:42:42 wrangler kernel:         0xffffffff
Dec 07 21:42:42 wrangler kernel:         0xc0017600
Dec 07 21:42:42 wrangler kernel:         0x0000020b
Dec 07 21:42:42 wrangler kernel:         0x00000190
Dec 07 21:42:42 wrangler kernel:         0xc0016800
Dec 07 21:42:42 wrangler kernel:         0x00000543
Dec 07 21:42:42 wrangler kernel:         0x00008100
Dec 07 21:42:42 wrangler kernel:         0xc0004600 <---
Dec 07 21:42:42 wrangler kernel:         0x00000019
Dec 07 21:42:42 wrangler kernel:         0xc0027600
Dec 07 21:42:42 wrangler kernel:         0x0000020c
Dec 07 21:42:42 wrangler kernel:         0x00162b02
Dec 07 21:42:42 wrangler kernel:         0x00000000
Dec 07 21:42:42 wrangler kernel:         0xc0027600
Dec 07 21:42:42 wrangler kernel:         0x00000212
Dec 07 21:42:42 wrangler kernel:         0x000c0040
Dec 07 21:42:42 wrangler kernel:         0x00000084
Dec 07 21:42:42 wrangler kernel:         0xc0017600
Dec 07 21:42:42 wrangler kernel:         0x00000218
Dec 07 21:42:42 wrangler kernel:         0x00000280
Dec 07 21:42:42 wrangler kernel:         0xc0027600
Dec 07 21:42:42 wrangler kernel:         0x00000242
Dec 07 21:42:42 wrangler kernel:         0x08828000
Dec 07 21:42:42 wrangler kernel:         0x00000000
Dec 07 21:42:42 wrangler kernel:         0xc0027600
Dec 07 21:42:42 wrangler kernel:         0x00000248
Dec 07 21:42:42 wrangler kernel:         0x08828100
Dec 07 21:42:42 wrangler kernel:         0x00000000
Dec 07 21:42:42 wrangler kernel:         0xc0027600
Dec 07 21:42:42 wrangler kernel:         0x00000244
Dec 07 21:42:42 wrangler kernel:         0x08828200
Dec 07 21:42:42 wrangler kernel:         0x00000000
Dec 07 21:42:42 wrangler kernel:         0xc0027600
Dec 07 21:42:42 wrangler kernel:         0x00000246
Dec 07 21:42:42 wrangler kernel:         0x08828a00
Dec 07 21:42:42 wrangler kernel:         0x00000000
Dec 07 21:42:42 wrangler kernel:         0xc0027600
Dec 07 21:42:42 wrangler kernel:         0x00000240
Dec 07 21:42:42 wrangler kernel:         0x16ced700
Dec 07 21:42:42 wrangler kernel:         0x00000000
Dec 07 21:42:42 wrangler kernel:         0xc0037600
Dec 07 21:42:42 wrangler kernel:         0x00000207
Dec 07 21:42:42 wrangler kernel:         0x00000100
Dec 07 21:42:42 wrangler kernel:         0x00000001
Dec 07 21:42:42 wrangler kernel:         0x00000001
Dec 07 21:42:42 wrangler kernel:         0xc0031502
Dec 07 21:42:42 wrangler kernel:         0x00000508
Dec 07 21:42:42 wrangler kernel:         0x00000001
Dec 07 21:42:42 wrangler kernel:         0x00000001
Dec 07 21:42:42 wrangler kernel:         0x00000001
Dec 07 21:42:42 wrangler kernel:         0xc0004600
Dec 07 21:42:42 wrangler kernel:         0x00000410
Dec 07 21:42:42 wrangler kernel:         0xc0004600
Dec 07 21:42:42 wrangler kernel:         0x00000407
Dec 07 21:42:42 wrangler kernel:         0xc0004200
Dec 07 21:42:42 wrangler kernel:         0x00000000
Dec 07 21:42:42 wrangler kernel:         0xc0034300
Dec 07 21:42:42 wrangler kernel:         0x00400000
Dec 07 21:42:42 wrangler kernel:         0xffffffff
Dec 07 21:42:42 wrangler kernel:         0x00000000
Dec 07 21:42:42 wrangler kernel:         0x0000000a
Dec 07 21:42:42 wrangler kernel:         0xc0027600
Dec 07 21:42:42 wrangler kernel:         0x00000240
Dec 07 21:42:42 wrangler kernel:         0x16ced800
Dec 07 21:42:42 wrangler kernel:         0x00000000
Dec 07 21:42:42 wrangler kernel:         0xc0037600
Dec 07 21:42:42 wrangler kernel:         0x00000207
Dec 07 21:42:42 wrangler kernel:         0x00000100
Dec 07 21:42:42 wrangler kernel:         0x00000001
Dec 07 21:42:42 wrangler kernel:         0x00000001
Dec 07 21:42:42 wrangler kernel:         0xc0031502
Dec 07 21:42:42 wrangler kernel:         0x00000508
Dec 07 21:42:42 wrangler kernel:         0x00000001
Dec 07 21:42:42 wrangler kernel:         0x00000001
Dec 07 21:42:42 wrangler kernel:         0x00000001
Dec 07 21:42:42 wrangler kernel:         0xc0004600
Dec 07 21:42:42 wrangler kernel:         0x00000410
Dec 07 21:42:42 wrangler kernel:         0xc0004600
Dec 07 21:42:42 wrangler kernel:         0x00000407
Dec 07 21:42:42 wrangler kernel:         0xc0004200
Dec 07 21:42:42 wrangler kernel:         0x00000000
Dec 07 21:42:42 wrangler kernel:         0xc0034300
Dec 07 21:42:42 wrangler kernel:         0x00400000
Dec 07 21:42:42 wrangler kernel:         0xffffffff
Dec 07 21:42:42 wrangler kernel:         0x00000000
Dec 07 21:42:42 wrangler kernel:         0x0000000a
Dec 07 21:42:42 wrangler kernel:         0xc0027600
Dec 07 21:42:42 wrangler kernel:         0x00000240
Dec 07 21:42:42 wrangler kernel:         0x16ced900
Dec 07 21:42:42 wrangler kernel:         0x00000000
Dec 07 21:42:42 wrangler kernel:         0xc0037600
Dec 07 21:42:42 wrangler kernel:         0x00000207
Dec 07 21:42:42 wrangler kernel:         0x00000100
Dec 07 21:42:42 wrangler kernel:         0x00000001
Dec 07 21:42:42 wrangler kernel:         0x00000001
Dec 07 21:42:42 wrangler kernel:         0xc0031502
Dec 07 21:42:42 wrangler kernel:         0x00000508
Dec 07 21:42:42 wrangler kernel:         0x00000001
Dec 07 21:42:42 wrangler kernel:         0x00000001
Dec 07 21:42:42 wrangler kernel:         0x00000001
Dec 07 21:42:42 wrangler kernel:         0xc0004600
Dec 07 21:42:42 wrangler kernel:         0x00000410
Dec 07 21:42:42 wrangler kernel:         0xc0004600
Dec 07 21:42:42 wrangler kernel:         0x00000407
Dec 07 21:42:42 wrangler kernel:         0xc0004200
Dec 07 21:42:42 wrangler kernel:         0x00000000
Dec 07 21:42:42 wrangler kernel:         0xc0034300
Dec 07 21:42:42 wrangler kernel:         0x00400000
Dec 07 21:42:42 wrangler kernel:         0xffffffff
Dec 07 21:42:42 wrangler kernel:         0x00000000
Dec 07 21:42:42 wrangler kernel:         0x0000000a
Dec 07 21:42:42 wrangler kernel:         0xc0027600
Dec 07 21:42:42 wrangler kernel:         0x00000240
Dec 07 21:42:42 wrangler kernel:         0x16ceda00
Dec 07 21:42:42 wrangler kernel:         0x00000000
Dec 07 21:42:42 wrangler kernel:         0xc0037600
Dec 07 21:42:42 wrangler kernel:         0x00000207
Dec 07 21:42:42 wrangler kernel:         0x00000100
Dec 07 21:42:42 wrangler kernel:         0x00000001
Dec 07 21:42:42 wrangler kernel:         0x00000001
Dec 07 21:42:42 wrangler kernel:         0xc0031502
Dec 07 21:42:42 wrangler kernel:         0x00000508
Dec 07 21:42:42 wrangler kernel:         0x00000001
Dec 07 21:42:42 wrangler kernel:         0x00000001
Dec 07 21:42:42 wrangler kernel:         0x00000001
Dec 07 21:42:42 wrangler kernel:         0xc0004600
Dec 07 21:42:42 wrangler kernel:         0x00000410
Dec 07 21:42:42 wrangler kernel:         0xc0004600
Dec 07 21:42:42 wrangler kernel:         0x00000407
Dec 07 21:42:42 wrangler kernel:         0xc0004200
Dec 07 21:42:42 wrangler kernel:         0x00000000
Dec 07 21:42:42 wrangler kernel:         0xc0034300
Dec 07 21:42:42 wrangler kernel:         0x00400000
Dec 07 21:42:42 wrangler kernel:         0xffffffff
Dec 07 21:42:42 wrangler kernel:         0x00000000
Dec 07 21:42:42 wrangler kernel:         0x0000000a
Dec 07 21:42:42 wrangler kernel:         0xc0027600
Dec 07 21:42:42 wrangler kernel:         0x0000020c
Dec 07 21:42:42 wrangler kernel:         0x001667b3
Dec 07 21:42:42 wrangler kernel:         0x00000000
Dec 07 21:42:42 wrangler kernel:         0xc0027600
Dec 07 21:42:42 wrangler kernel:         0x00000212
Dec 07 21:42:42 wrangler kernel:         0x000c0040
Dec 07 21:42:42 wrangler kernel:         0x00000084
Dec 07 21:42:42 wrangler kernel:         0xc0017600
Dec 07 21:42:42 wrangler kernel:         0x00000218
Dec 07 21:42:42 wrangler kernel:         0x00000280
Dec 07 21:42:42 wrangler kernel:         0xc0027600
Dec 07 21:42:42 wrangler kernel:         0x00000240
Dec 07 21:42:42 wrangler kernel:         0x16cedb00
Dec 07 21:42:42 wrangler kernel:         0x00000000
Dec 07 21:42:42 wrangler kernel:         0xc0037600
Dec 07 21:42:42 wrangler kernel:         0x00000207
Dec 07 21:42:42 wrangler kernel:         0x00000100
Dec 07 21:42:42 wrangler kernel:         0x00000001
Dec 07 21:42:42 wrangler kernel:         0x00000001
Dec 07 21:42:42 wrangler kernel:         0xc0031502
Dec 07 21:42:42 wrangler kernel:         0x00000008
Dec 07 21:42:42 wrangler kernel:         0x00000001
Dec 07 21:42:42 wrangler kernel:         0x00000001
Dec 07 21:42:42 wrangler kernel:         0x00000001
Dec 07 21:42:42 wrangler kernel:         0xc0004600
Dec 07 21:42:42 wrangler kernel:         0x00000410
Dec 07 21:42:42 wrangler kernel:         0xc0004600
Dec 07 21:42:42 wrangler kernel:         0x00000407
Dec 07 21:42:42 wrangler kernel:         0xc0004200
Dec 07 21:42:42 wrangler kernel:         0x00000000
Dec 07 21:42:42 wrangler kernel:         0xc0034300
Dec 07 21:42:42 wrangler kernel:         0x00400000
Dec 07 21:42:42 wrangler kernel:         0xffffffff
Dec 07 21:42:42 wrangler kernel:         0x00000000
Dec 07 21:42:42 wrangler kernel:         0x0000000a
Dec 07 21:42:42 wrangler kernel:         0x80000000
D