Hello every My name is Wang. I need help. Hello i have troubles with my disc , error dma. Who can tell me the causes of the error dma. Where can find the status list . Thank you very much. Best regards os redhat linux 7.3 Jan 13 12:15:55 xt kernel: hda: dma_timer_expiry: dma status == 0x20 Jan 13 12:15:55 xt kernel: hda: timeout waiting for DMA Jan 13 12:15:55 xt kernel: hda: timeout waiting for DMA Jan 13 12:15:55 xt kernel: hda: (__ide_dma_test_irq) called while not waiting Jan 13 12:15:55 xt kernel: hda: status timeout: status=0xd0 { Busy } Jan 13 12:15:55 xt kernel: Jan 13 12:15:55 xt kernel: hda: drive not ready for command 〜〜〜〜〜〜〜〜〜〜〜〜〜〜〜〜〜〜〜〜〜〜〜〜〜〜〜〜〜〜〜〜〜〜〜〜〜〜〜〜〜〜 Jan 13 12:28:55 xt kernel: hda: dma_timer_expiry: dma status == 0x21 Jan 13 12:29:05 xt kernel: hda: error waiting for DMA Jan 13 12:29:05 xt kernel: hda: dma timeout retry: status=0xd0 { Busy } Jan 13 12:29:05 xt kernel: Jan 13 12:29:05 xt kernel: hda: DMA disabled 〜〜〜〜〜〜〜〜〜〜〜〜〜〜〜〜〜〜〜〜〜〜〜〜〜〜〜〜〜〜〜〜〜〜〜〜〜〜〜〜〜〜 Jan 13 12:30:25 xt kernel: hda: dma timeout retry: status=0x58 { DriveReady SeekComplete DataRequest } Jan 13 12:30:25 xt kernel: Jan 13 12:30:25 xt kernel: hda: status error: status=0x58 { DriveReady SeekComplete DataRequest } Jan 13 12:30:25 xt kernel: Jan 13 12:30:25 xt kernel: hda: drive not ready for command Jan 13 12:30:25 xt kernel: hda: status error: status=0x58 { DriveReady SeekComplete DataRequest } Jan 13 12:30:25 xt kernel: Jan 13 12:30:25 xt kernel: hda: drive not ready for command Jan 13 12:30:25 xt kernel: hda: status error: status=0x58 { DriveReady SeekComplete DataRequest } Jan 13 12:30:25 xt kernel: -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe https://www.redhat.com/mailman/listinfo/redhat-list