On Wed, Dec 20, 2017 at 02:13:25PM +0800, Jason Yan wrote: > Hi, Tejun, > > We often see this warning when using sata disks with libsas: > > [26705.760518] WARNING: CPU: 1 PID: 6796 at > drivers/ata/libata-eh.c:4037 ata_eh_finish+0xb4/0xcc > > [26706.350156] [<ffff0000088baf70>] ata_eh_finish+0xb4/0xcc > [26706.364260] [<ffff0000088bb764>] ata_do_eh+0x68/0xd8 > [26706.377497] [<ffff0000088bb818>] ata_std_error_handler+0x44/0x8c > [26706.393406] [<ffff0000088bb408>] ata_scsi_port_error_handler+0x480/0x694 > [26706.411352] [<ffff000008879364>] async_sas_ata_eh+0x4c/0x80 > [26706.426133] [<ffff0000080f6be8>] async_run_entry_fn+0x4c/0x170 > [26706.441841] [<ffff0000080ebd70>] process_one_work+0x144/0x390 > [26706.457057] [<ffff0000080ec100>] worker_thread+0x144/0x418 > [26706.471610] [<ffff0000080f2c98>] kthread+0x10c/0x138 > [26706.484991] [<ffff0000080855dc>] ret_from_fork+0x10/0x18 > > This seems implies that ap->nr_active_links is wrong and should be zero. > But I didn't see any other errors. The disks work well. Which kernel version are you running on what sort of device? Can you post the full log? Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
