Hello, Alex Gonzalez wrote: > :<6> sda:0:msdos_partition: sector_size=1 > 0:read_dev_sector: mapping = 87946cac > 0:__read_cache_page:cached_page=83a15580 > 0:read_cache_page: page=83a15580 > 0:lock_page > 0:sync_page on mm/filemap.c > 0:block_sync_page > 0:blk_run_backing_dev() > 0:blk_backing_dev_unplug() > 0:scsi_request_fn > 0:scsi_dispatch_cmd > 0:ata_scsi_queuecmd > 0:ata_scsi_translate > 0:***ata_qc_prep*** > 0:***ata_check_status*** > 0:***ata_std_dev_select*** > 0:***ata_check_status*** > 0:***ata_check_status*** > 0:***ata_tf_load > 0:***ata_bmdma_setup*** > 0:***ata_exec_command*** > 0:***ata_bmdma_start*** > 0:Dispatched cmd 8b64eba0 with rth 0 > > <PAUSE> > > 0:***sil_freeze()*** > 0:***ata_bmdma_error_handler*** This is libata error handling kicking in after detecting command timeout. > 0:***ata_bmdma_status*** > 0:***ata_bmdma_stop*** And EH tries to stop the bmdma engine. > ********************************************* > cpu_0 received a bus/cache error > ********************************************* > Bridge: Phys Addr = 0x0000000000, Device_AERR = 0x00000000 > Bridge: The devices reporting AERR are: > CPU: (XLR specific) Cache Error log = 0x0000007800004601, Phy Addr = > 0x00f0000088 > CPU: epc = 0x83435dfc, errorepc = 0x835bf054, cacheerr = 0x00000000 > Can not handle bus/cache error - Halting cpu Which triggers bus/cache error. Hmmm... When the booting works, does the drive keep working after boot? ie. if you put the drive under stress test, does the system survive. Also, error handling shouldn't trigger bus/cache error. Do you know what the bus/cache error means? 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