On Saturday 06 February 2016 16:09:53 Johan Huldtgren wrote: > > Not sure. Perhaps these drives don't have good meta data due to the > > crash? > > Can you set sr_debug = SR_D_STATE | SR_D_META and see if that prints > > anything informative? > > well we now get lots more: > > softraid0 at root > scsibus5 at softraid0: 256 targets > softraid0: sr_boot_assembly > softraid0: sr_meta_native_bootprobe [snip] > softraid0: assembling volume 05a4f9a1-e533-4e6b-ad0c-7051a541c881 volid > 0 with 8 chunks > softraid0: using ondisk metadata version 64 for chunk 0 > softraid0: using ondisk metadata version 64 for chunk 1 > softraid0: using ondisk metadata version 63 for chunk 2 > softraid0: using ondisk metadata version 63 for chunk 3 > softraid0: using ondisk metadata version 63 for chunk 4 > softraid0: using ondisk metadata version 63 for chunk 5 > softraid0: using ondisk metadata version 63 for chunk 6 > softraid0: using ondisk metadata version 63 for chunk 7
This is the reason that the volume will not reassemble - two of your chunks have metadata with version 64, while the rest have version 63. As such, only chunks 0 and 1 are considered to be online - all others have old metadata and are marked offline. This most likely occurred due to the original panic (from another mail in the same thread): panic: Non dma-reachable buffer at curaddr 0xffffffff81115888(raw) Stopped at Debugger+0x9: leave TID PID UID PRFLAGS PFLAGS CPU COMMAND *25637 25637 0 0x14000 0x200 1 srdis Debugger() at Debugger+0x9 panic() at panic+0xfe _bus_dmamap_load_buffer() at _bus_dmamap_load_buffer+0x1b6 _bus_dmamap_load() at _bus_dmamap_load+0x7f ahci_load_prdt() at ahci_load_prdt+0x97 ahci_ata_cmd() at ahci_ata_cmd+0x69 atascsi_disk_cmd() at atascsis_disk_cmd+0x1b1 scsi_xs_exec() scsi_xs_exec+0x35 sdstart() at sdstart+0x16f scsi_iopool_run() at scsi_iopool_run+0x5d scsi_xsh_runqueue() at scsi_xsh_runqueue+0x13d scsi_xsh_add() at scsi_xsh_add+0x98 sdstrategy() at sdstrategy+0x10f spec_strategy() at spec_strategy+0x53 My guess is that it was in the process of writing out new metadata (version 64) when it paniced due to the AHCI driver being passed a non dma-reachable buffer. This is most likely due to a bug in the softraid code - we're likely using a malloc'd buffer in a place where we need to use a dma_alloc'd one.
