Hello!
On 16.02.2019 6:42, Jason Yan wrote:
For internal cmds, we will unmap DMA memory associated with the cmd
before we abort the cmd. If DMA transfering data before the aborting,
Transferring.
bus error will occured.
Occur.
ata_exec_internal_sg
->ata_port_freeze if timeout
->ata_qc_complete
->ata_sg_clean
dma transfering data = bus error
->ap->ops->post_internal_cmd
->sas_ata_post_internal
->sas_ata_internal_abort
->abort the cmd
Fix this by move post_internal_cmd() before unmapping the DMA memory
Moving.
when time out. Notice that we have to set ATA_QCFLAG_FAILED flag before
calling post_internal_cmd() so that the aborting will work.
Reported-by: luojian <luojian5@xxxxxxxxxx>
Signed-off-by: Jason Yan <yanaijie@xxxxxxxxxx>
[...]
MBR, Sergei
