Не знаю куда эту тему вставить... то ли в оборудование, то ли в программирование.
На одной из машин с видео radeon 9200 ОС lubuntu 16.04. Давно не запускал на ней QtCreator (раньше нормально работало). При запуске происходит зависание Х-ов, лицо QtCreator так и не появляется. В логе ошибки драйвера radeon, типа
Jun 29 12:58:15 localhost kernel: [ 2889.220047] radeon 0000:01:00.0: ring 0 stalled for more than 10000msec
Jun 29 12:58:15 localhost kernel: [ 2889.220055] radeon 0000:01:00.0: GPU lockup (current fence id 0x000000000000b1a3 last fence id 0x000000000000b1a6 on ring 0)
Jun 29 12:58:15 localhost kernel: [ 2889.376145] radeon: wait for empty RBBM fifo failed ! Bad things might happen.
Jun 29 12:58:15 localhost kernel: [ 2889.529744] Failed to wait GUI idle while programming pipes. Bad things might happen.
Jun 29 12:58:15 localhost kernel: [ 2889.530771] radeon 0000:01:00.0: Saved 91 dwords of commands on ring 0.
Jun 29 12:58:15 localhost kernel: [ 2889.530782] radeon 0000:01:00.0: (r100_asic_reset:2570) RBBM_STATUS=0x8031C100
Jun 29 12:58:16 localhost kernel: [ 2890.031853] radeon 0000:01:00.0: (r100_asic_reset:2591) RBBM_STATUS=0x80010140
Jun 29 12:58:16 localhost kernel: [ 2890.528926] radeon 0000:01:00.0: (r100_asic_reset:2599) RBBM_STATUS=0x00000140
Jun 29 12:58:16 localhost kernel: [ 2890.528955] radeon 0000:01:00.0: GPU reset succeed
Jun 29 12:58:16 localhost kernel: [ 2890.528960] radeon 0000:01:00.0: GPU reset succeeded, trying to resume
Jun 29 12:58:16 localhost kernel: [ 2890.550469] radeon 0000:01:00.0: WB disabled
Jun 29 12:58:16 localhost kernel: [ 2890.550479] radeon 0000:01:00.0: fence driver on ring 0 use gpu addr 0x00000000f0000000 and cpu addr 0xf840a000
Jun 29 12:58:16 localhost kernel: [ 2890.550513] [drm] radeon: ring at 0x00000000F0001000
Jun 29 12:58:16 localhost kernel: [ 2890.550560] [drm] ring test succeeded in 0 usecs
Jun 29 12:58:16 localhost kernel: [ 2890.600995] [drm] ib test succeeded in 0 usecs
Jun 29 12:58:26 localhost kernel: [ 2900.720050] radeon 0000:01:00.0: ring 0 stalled for more than 10000msec
Jun 29 12:58:26 localhost kernel: [ 2900.720059] radeon 0000:01:00.0: GPU lockup (current fence id 0x000000000000b1a7 last fence id 0x000000000000b1aa on ring 0)
Заменил видео на NVIDIA GF6200 - заработало.
Получается QtCreator требует более современное видео... хотя это явный баг, зависать-то не должно.