Sounds like the same issue I'm having here with my Radeon Mobility 4500 series. The X window screen never comes back after hibernation, but is perfectly fine with resuming from suspend.
Jul 13 00:58:46 mike-laptop kernel: [ 4601.291348] [drm:radeon_fence_wait] *ERROR* fence(ffff88003700d640:0x00080E12) 7650ms timeout going to reset GPU Jul 13 00:58:46 mike-laptop kernel: [ 4601.291360] radeon 0000:01:00.0: GPU softreset Jul 13 00:58:46 mike-laptop kernel: [ 4601.291366] radeon 0000:01:00.0: R_008010_GRBM_STATUS=0xA27034A4 Jul 13 00:58:46 mike-laptop kernel: [ 4601.291373] radeon 0000:01:00.0: R_008014_GRBM_STATUS2=0x00000102 Jul 13 00:58:46 mike-laptop kernel: [ 4601.291379] radeon 0000:01:00.0: R_000E50_SRBM_STATUS=0x200000C0 Jul 13 00:58:46 mike-laptop kernel: [ 4601.291391] radeon 0000:01:00.0: R_008020_GRBM_SOFT_RESET=0x00007FEE Jul 13 00:58:46 mike-laptop kernel: [ 4601.291449] radeon 0000:01:00.0: R_008020_GRBM_SOFT_RESET=0x00000001 Jul 13 00:58:46 mike-laptop kernel: [ 4601.291513] radeon 0000:01:00.0: R_000E60_SRBM_SOFT_RESET=0x00000402 Jul 13 00:58:46 mike-laptop kernel: [ 4601.315757] radeon 0000:01:00.0: R_008010_GRBM_STATUS=0xFFFFFFFF Jul 13 00:58:46 mike-laptop kernel: [ 4601.315762] radeon 0000:01:00.0: R_008014_GRBM_STATUS2=0xFFFFFFFF Jul 13 00:58:46 mike-laptop kernel: [ 4601.315768] radeon 0000:01:00.0: R_000E50_SRBM_STATUS=0xFFFFFFFF Jul 13 00:58:46 mike-laptop kernel: [ 4601.330146] [drm:radeon_fence_wait] *ERROR* fence(ffff88003700d640:0x00080E12) 7690ms timeout Jul 13 00:58:46 mike-laptop kernel: [ 4601.330149] [drm:radeon_fence_wait] *ERROR* last signaled fence(0x00080E12) Jul 13 00:58:47 mike-laptop kernel: [ 4602.541342] [drm:radeon_fence_wait] *ERROR* fence(ffff88003736bc40:0x00080E17) 4150ms timeout going to reset GPU Jul 13 00:58:47 mike-laptop kernel: [ 4602.541354] radeon 0000:01:00.0: GPU softreset Jul 13 00:58:47 mike-laptop kernel: [ 4602.541360] radeon 0000:01:00.0: R_008010_GRBM_STATUS=0xA0003028 ..... -- ATI radeon KMS driver - gpu lockup https://bugs.launchpad.net/bugs/568605 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
