I tried growisofs and it worked just fine, would be nice to know what was the whole issue here.
% growisofs -dvd-compat -Z /dev/sr0=7601.17514.101119-1850_x64fre_server_eval_en-us-GRMSXEVAL_EN_DVD.iso Executing 'builtin_dd if=7601.17514.101119-1850_x64fre_server_eval_en-us-GRMSXEVAL_EN_DVD.iso of=/dev/sr0 obs=32k seek=0' :-? more than 50% of space will be *wasted*! /dev/sr0: splitting layers at 773168 blocks /dev/sr0: "Current Write Speed" is 8.2x1352KBps. 7766016/3166840832 ( 0.2%) @1.7x, remaining 33:53 RBU 100.0% UBU 2.9% 26214400/3166840832 ( 0.8%) @4.0x, remaining 17:58 RBU 100.0% UBU 100.0% 44695552/3166840832 ( 1.4%) @4.0x, remaining 13:58 RBU 100.0% UBU 100.0% 63143936/3166840832 ( 2.0%) @4.0x, remaining 12:17 RBU 100.0% UBU 100.0% 81625088/3166840832 ( 2.6%) @4.0x, remaining 11:58 RBU 99.9% UBU 100.0% 100073472/3166840832 ( 3.2%) @4.0x, remaining 11:14 RBU 100.0% UBU 100.0% 118554624/3166840832 ( 3.7%) @4.0x, remaining 10:42 RBU 99.9% UBU 100.0% 137003008/3166840832 ( 4.3%) @4.0x, remaining 10:41 RBU 100.0% UBU 100.0% 155484160/3166840832 ( 4.9%) @4.0x, remaining 10:19 RBU 99.9% UBU 100.0% 173932544/3166840832 ( 5.5%) @4.0x, remaining 10:02 RBU 100.0% UBU 100.0% 192413696/3166840832 ( 6.1%) @4.0x, remaining 10:02 RBU 100.0% UBU 100.0% 210862080/3166840832 ( 6.7%) @4.0x, remaining 9:48 RBU 100.0% UBU 100.0% 229343232/3166840832 ( 7.2%) @4.0x, remaining 9:36 RBU 100.0% UBU 100.0% 247791616/3166840832 ( 7.8%) @4.0x, remaining 9:37 RBU 100.0% UBU 100.0% 266272768/3166840832 ( 8.4%) @4.0x, remaining 9:26 RBU 100.0% UBU 100.0% 284753920/3166840832 ( 9.0%) @4.0x, remaining 9:16 RBU 100.0% UBU 100.0% 303202304/3166840832 ( 9.6%) @4.0x, remaining 9:17 RBU 100.0% UBU 100.0% 321683456/3166840832 (10.2%) @4.0x, remaining 9:08 RBU 100.0% UBU 100.0% 340164608/3166840832 (10.7%) @4.0x, remaining 9:00 RBU 100.0% UBU 100.0% 358612992/3166840832 (11.3%) @4.0x, remaining 9:00 RBU 100.0% UBU 100.0% 377094144/3166840832 (11.9%) @4.0x, remaining 8:52 RBU 100.0% UBU 100.0% 395575296/3166840832 (12.5%) @4.0x, remaining 8:45 RBU 100.0% UBU 100.0% 404291584/3166840832 (12.8%) @1.9x, remaining 8:59 RBU 100.0% UBU 100.0% 425459712/3166840832 (13.4%) @4.6x, remaining 8:48 RBU 99.9% UBU 100.0% 453345280/3166840832 (14.3%) @6.0x, remaining 8:28 RBU 100.0% UBU 100.0% 481230848/3166840832 (15.2%) @6.0x, remaining 8:16 RBU 100.0% UBU 100.0% 509149184/3166840832 (16.1%) @6.0x, remaining 8:00 RBU 100.0% UBU 100.0% 537034752/3166840832 (17.0%) @6.0x, remaining 7:45 RBU 100.0% UBU 100.0% 564953088/3166840832 (17.8%) @6.0x, remaining 7:35 RBU 100.0% UBU 100.0% 592871424/3166840832 (18.7%) @6.0x, remaining 7:22 RBU 99.9% UBU 100.0% 620756992/3166840832 (19.6%) @6.0x, remaining 7:10 RBU 100.0% UBU 100.0% 648708096/3166840832 (20.5%) @6.1x, remaining 7:03 RBU 99.9% UBU 100.0% 676626432/3166840832 (21.4%) @6.0x, remaining 6:52 RBU 99.9% UBU 100.0% 704544768/3166840832 (22.2%) @6.0x, remaining 6:41 RBU 100.0% UBU 100.0% 732463104/3166840832 (23.1%) @6.0x, remaining 6:35 RBU 100.0% UBU 100.0% 760414208/3166840832 (24.0%) @6.1x, remaining 6:26 RBU 100.0% UBU 100.0% 788332544/3166840832 (24.9%) @6.0x, remaining 6:17 RBU 100.0% UBU 100.0% 790921216/3166840832 (25.0%) @0.6x, remaining 6:27 RBU 99.9% UBU 100.0% 827949056/3166840832 (26.1%) @8.0x, remaining 6:12 RBU 99.9% UBU 100.0% 864944128/3166840832 (27.3%) @8.0x, remaining 5:59 RBU 100.0% UBU 100.0% 901971968/3166840832 (28.5%) @8.0x, remaining 5:49 RBU 100.0% UBU 100.0% 939032576/3166840832 (29.7%) @8.0x, remaining 5:36 RBU 99.8% UBU 100.0% 976060416/3166840832 (30.8%) @8.0x, remaining 5:25 RBU 99.9% UBU 100.0% 1013088256/3166840832 (32.0%) @8.0x, remaining 5:16 RBU 100.0% UBU 100.0% 1050116096/3166840832 (33.2%) @8.0x, remaining 5:06 RBU 100.0% UBU 100.0% 1078919168/3166840832 (34.1%) @6.2x, remaining 4:59 RBU 100.0% UBU 100.0% 1115947008/3166840832 (35.2%) @8.0x, remaining 4:52 RBU 100.0% UBU 100.0% 1152974848/3166840832 (36.4%) @8.0x, remaining 4:42 RBU 100.0% UBU 100.0% 1190002688/3166840832 (37.6%) @8.0x, remaining 4:34 RBU 100.0% UBU 100.0% 1227030528/3166840832 (38.7%) @8.0x, remaining 4:27 RBU 100.0% UBU 100.0% 1264058368/3166840832 (39.9%) @8.0x, remaining 4:18 RBU 100.0% UBU 100.0% 1301118976/3166840832 (41.1%) @8.0x, remaining 4:10 RBU 100.0% UBU 100.0% 1338146816/3166840832 (42.3%) @8.0x, remaining 4:04 RBU 100.0% UBU 100.0% 1375207424/3166840832 (43.4%) @8.0x, remaining 3:57 RBU 100.0% UBU 100.0% 1412235264/3166840832 (44.6%) @8.0x, remaining 3:49 RBU 100.0% UBU 100.0% 1449295872/3166840832 (45.8%) @8.0x, remaining 3:43 RBU 100.0% UBU 100.0% 1478361088/3166840832 (46.7%) @6.3x, remaining 3:39 RBU 100.0% UBU 100.0% 1515388928/3166840832 (47.9%) @8.0x, remaining 3:32 RBU 100.0% UBU 100.0% 1552416768/3166840832 (49.0%) @8.0x, remaining 3:26 RBU 100.0% UBU 100.0% 1584562176/3166840832 (50.0%) @7.0x, remaining 3:21 RBU 100.0% UBU 100.0% 1584562176/3166840832 (50.0%) @0.0x, remaining 3:24 RBU 100.0% UBU 100.0% 1609433088/3166840832 (50.8%) @5.4x, remaining 3:22 RBU 100.0% UBU 100.0% 1646460928/3166840832 (52.0%) @8.0x, remaining 3:15 RBU 99.9% UBU 100.0% 1683456000/3166840832 (53.2%) @8.0x, remaining 3:09 RBU 100.0% UBU 100.0% 1720451072/3166840832 (54.3%) @8.0x, remaining 3:04 RBU 100.0% UBU 100.0% 1757446144/3166840832 (55.5%) @8.0x, remaining 2:58 RBU 100.0% UBU 100.0% 1794441216/3166840832 (56.7%) @8.0x, remaining 2:52 RBU 100.0% UBU 100.0% 1831436288/3166840832 (57.8%) @8.0x, remaining 2:46 RBU 100.0% UBU 100.0% 1868431360/3166840832 (59.0%) @8.0x, remaining 2:41 RBU 100.0% UBU 100.0% 1905426432/3166840832 (60.2%) @8.0x, remaining 2:35 RBU 100.0% UBU 100.0% 1942388736/3166840832 (61.3%) @8.0x, remaining 2:30 RBU 100.0% UBU 100.0% 1979383808/3166840832 (62.5%) @8.0x, remaining 2:25 RBU 100.0% UBU 100.0% 2016346112/3166840832 (63.7%) @8.0x, remaining 2:19 RBU 100.0% UBU 100.0% 2053308416/3166840832 (64.8%) @8.0x, remaining 2:15 RBU 100.0% UBU 100.0% 2090270720/3166840832 (66.0%) @8.0x, remaining 2:09 RBU 99.9% UBU 100.0% 2127265792/3166840832 (67.2%) @8.0x, remaining 2:04 RBU 99.9% UBU 100.0% 2164228096/3166840832 (68.3%) @8.0x, remaining 1:59 RBU 99.9% UBU 100.0% 2201157632/3166840832 (69.5%) @8.0x, remaining 1:54 RBU 100.0% UBU 100.0% 2238119936/3166840832 (70.7%) @8.0x, remaining 1:49 RBU 99.9% UBU 100.0% 2275049472/3166840832 (71.8%) @8.0x, remaining 1:45 RBU 100.0% UBU 100.0% 2311979008/3166840832 (73.0%) @8.0x, remaining 1:40 RBU 100.0% UBU 100.0% 2348941312/3166840832 (74.2%) @8.0x, remaining 1:35 RBU 99.9% UBU 100.0% 2380005376/3166840832 (75.2%) @6.7x, remaining 1:32 RBU 100.0% UBU 100.0% 2392719360/3166840832 (75.6%) @2.8x, remaining 1:31 RBU 99.9% UBU 100.0% 2420572160/3166840832 (76.4%) @6.0x, remaining 1:27 RBU 100.0% UBU 100.0% 2448424960/3166840832 (77.3%) @6.0x, remaining 1:24 RBU 100.0% UBU 100.0% 2476277760/3166840832 (78.2%) @6.0x, remaining 1:21 RBU 99.9% UBU 100.0% 2504130560/3166840832 (79.1%) @6.0x, remaining 1:18 RBU 99.9% UBU 100.0% 2531950592/3166840832 (80.0%) @6.0x, remaining 1:14 RBU 100.0% UBU 100.0% 2559803392/3166840832 (80.8%) @6.0x, remaining 1:11 RBU 99.9% UBU 100.0% 2587623424/3166840832 (81.7%) @6.0x, remaining 1:08 RBU 100.0% UBU 100.0% 2615443456/3166840832 (82.6%) @6.0x, remaining 1:05 RBU 100.0% UBU 100.0% 2643263488/3166840832 (83.5%) @6.0x, remaining 1:01 RBU 100.0% UBU 100.0% 2671083520/3166840832 (84.3%) @6.0x, remaining 0:58 RBU 100.0% UBU 100.0% 2698903552/3166840832 (85.2%) @6.0x, remaining 0:55 RBU 100.0% UBU 100.0% 2726723584/3166840832 (86.1%) @6.0x, remaining 0:51 RBU 100.0% UBU 100.0% 2754543616/3166840832 (87.0%) @6.0x, remaining 0:48 RBU 100.0% UBU 100.0% 2765881344/3166840832 (87.3%) @2.5x, remaining 0:47 RBU 100.0% UBU 100.0% 2784067584/3166840832 (87.9%) @3.9x, remaining 0:45 RBU 100.0% UBU 100.0% 2802515968/3166840832 (88.5%) @4.0x, remaining 0:43 RBU 100.0% UBU 100.0% 2820997120/3166840832 (89.1%) @4.0x, remaining 0:41 RBU 100.0% UBU 100.0% 2839445504/3166840832 (89.7%) @4.0x, remaining 0:39 RBU 100.0% UBU 100.0% 2857893888/3166840832 (90.2%) @4.0x, remaining 0:37 RBU 100.0% UBU 100.0% 2876375040/3166840832 (90.8%) @4.0x, remaining 0:35 RBU 100.0% UBU 100.0% 2894823424/3166840832 (91.4%) @4.0x, remaining 0:33 RBU 100.0% UBU 100.0% 2913304576/3166840832 (92.0%) @4.0x, remaining 0:30 RBU 99.9% UBU 100.0% 2931752960/3166840832 (92.6%) @4.0x, remaining 0:28 RBU 100.0% UBU 100.0% 2950201344/3166840832 (93.2%) @4.0x, remaining 0:26 RBU 100.0% UBU 100.0% 2968649728/3166840832 (93.7%) @4.0x, remaining 0:24 RBU 100.0% UBU 100.0% 2987130880/3166840832 (94.3%) @4.0x, remaining 0:22 RBU 99.9% UBU 100.0% 3005579264/3166840832 (94.9%) @4.0x, remaining 0:19 RBU 100.0% UBU 100.0% 3024027648/3166840832 (95.5%) @4.0x, remaining 0:17 RBU 100.0% UBU 100.0% 3042476032/3166840832 (96.1%) @4.0x, remaining 0:15 RBU 100.0% UBU 100.0% 3060924416/3166840832 (96.7%) @4.0x, remaining 0:13 RBU 100.0% UBU 100.0% 3079405568/3166840832 (97.2%) @4.0x, remaining 0:10 RBU 99.9% UBU 100.0% 3097853952/3166840832 (97.8%) @4.0x, remaining 0:08 RBU 99.9% UBU 100.0% 3116302336/3166840832 (98.4%) @4.0x, remaining 0:06 RBU 100.0% UBU 100.0% 3134750720/3166840832 (99.0%) @4.0x, remaining 0:04 RBU 95.7% UBU 100.0% 3153199104/3166840832 (99.6%) @4.0x, remaining 0:01 RBU 40.7% UBU 100.0% builtin_dd: 1546320*2KB out @ average 5.7x1352KBps /dev/sr0: flushing cache /dev/sr0: closing track /dev/sr0: closing disc /dev/sr0: reloading tray