Tejun Heo wrote:
Mark Lord wrote:
Mmm.. I just plugged the same PM + drives into my sata_sil24 card here,
and that driver went bonkers when I did the same test.
Had to reboot eventually to recover.
Hmm... That can't be. Above all, although we do manual scheduling
around sil24, the controller does its own scheduling and will happily
issue command in the right order even if the software scheduler screws
up. Do you have the log?
..
Here's what was in /var/log/messages after I held the power button
for five seconds to force a poweroff and then rebooted. I didn't make much
effort to learn more, as I'm already busy enough testing/debugging sata_mv.
[ 7815.289014] pciehp: Card present on Slot(0013_0005)
[ 7816.290936] program_fw_provided_values: Could not get hotplug parameters
[ 7816.291117] PCI: Enabling device 0000:0d:00.0 (0000 -> 0003)
[ 7816.291127] ACPI: PCI Interrupt 0000:0d:00.0[A] -> GSI 19 (level, low) -> IRQ 18
[ 7816.291221] PCI: Setting latency timer of device 0000:0d:00.0 to 64
[ 7816.292463] scsi11 : sata_sil24
[ 7816.295726] scsi12 : sata_sil24
[ 7816.295799] ata5: SATA max UDMA/100 host m128@0xefa04000 port 0xefa00000 irq 18
[ 7816.295805] ata6: SATA max UDMA/100 host m128@0xefa04000 port 0xefa02000 irq 18
[ 7818.371127] ata5: SATA link down (SStatus 0 SControl 0)
[ 7820.446489] ata6: SATA link down (SStatus 0 SControl 0)
[ 7902.071861] ata6: exception Emask 0x10 SAct 0x0 SErr 0x0 action 0xa frozen
[ 7902.071871] ata6: irq_stat 0x00a40080, device exchanged
[ 7902.071888] ata6: hard resetting link
[ 7904.266154] ata6: SATA link up 3.0 Gbps (SStatus 123 SControl 0)
[ 7904.266672] ata6.15: Port Multiplier 1.1, 0x11ab:0x4140 r192, 4 ports, feat 0x1/0x1f
[ 7904.267112] ata6.00: hard resetting link
[ 7904.601801] ata6.00: SATA link up 3.0 Gbps (SStatus 123 SControl 320)
[ 7904.601874] ata6.01: hard resetting link
[ 7904.937053] ata6.01: SATA link up 1.5 Gbps (SStatus 113 SControl 320)
[ 7904.937125] ata6.02: hard resetting link
[ 7905.352127] ata6.02: SATA link up 3.0 Gbps (SStatus 123 SControl 320)
[ 7905.352199] ata6.03: hard resetting link
[ 7905.703339] ata6.03: SATA link up 3.0 Gbps (SStatus 123 SControl 320)
[ 7905.745912] ata6.00: ATA-7: ST3750640NS, 3.BAF, max UDMA/133
[ 7905.745920] ata6.00: 1465149168 sectors, multi 0: LBA48 NCQ (depth 31/32)
[ 7905.804131] ata6.00: configured for UDMA/100
[ 7905.806327] ata6.01: ATA-7: Maxtor 7B320S0, BANC1WK0, max UDMA/133
[ 7905.806334] ata6.01: 625142448 sectors, multi 0: LBA48 NCQ (not used)
[ 7905.809473] ata6.01: configured for UDMA/100
[ 7905.810377] ata6.02: ATA-8: Hitachi HDP725050GLA360, GM4OA50E, max UDMA/133
[ 7905.810383] ata6.02: 976773168 sectors, multi 0: LBA48 NCQ (depth 31/32)
[ 7905.811551] ata6.02: configured for UDMA/100
[ 7905.812511] ata6.03: ATA-7: Hitachi HUA721075KLA330, GK8OA70M, max UDMA/133
[ 7905.812517] ata6.03: 1465149168 sectors, multi 0: LBA48 NCQ (depth 31/32)
[ 7905.813721] ata6.03: configured for UDMA/100
[ 7905.813848] ata6: EH complete
[ 7905.814017] scsi 12:0:0:0: Direct-Access ATA ST3750640NS 3.BA PQ: 0 ANSI: 5
[ 7905.814689] sd 12:0:0:0: [sdb] 1465149168 512-byte hardware sectors (750156 MB)
[ 7905.814743] sd 12:0:0:0: [sdb] Write Protect is off
[ 7905.814749] sd 12:0:0:0: [sdb] Mode Sense: 00 3a 00 00
[ 7905.814778] sd 12:0:0:0: [sdb] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[ 7905.815460] sd 12:0:0:0: [sdb] 1465149168 512-byte hardware sectors (750156 MB)
[ 7905.815480] sd 12:0:0:0: [sdb] Write Protect is off
[ 7905.815485] sd 12:0:0:0: [sdb] Mode Sense: 00 3a 00 00
[ 7905.815515] sd 12:0:0:0: [sdb] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[ 7905.815520] sdb: sdb1
[ 7905.843863] sd 12:0:0:0: [sdb] Attached SCSI disk
[ 7905.843948] sd 12:0:0:0: Attached scsi generic sg2 type 0
[ 7905.844114] scsi 12:1:0:0: Direct-Access ATA Maxtor 7B320S0 BANC PQ: 0 ANSI: 5
[ 7905.844236] sd 12:1:0:0: [sdc] 625142448 512-byte hardware sectors (320073 MB)
[ 7905.844254] sd 12:1:0:0: [sdc] Write Protect is off
[ 7905.844258] sd 12:1:0:0: [sdc] Mode Sense: 00 3a 00 00
[ 7905.844285] sd 12:1:0:0: [sdc] Write cache: disabled, read cache: enabled, doesn't support DPO or FUA
[ 7905.844356] sd 12:1:0:0: [sdc] 625142448 512-byte hardware sectors (320073 MB)
[ 7905.844372] sd 12:1:0:0: [sdc] Write Protect is off
[ 7905.844377] sd 12:1:0:0: [sdc] Mode Sense: 00 3a 00 00
[ 7905.844403] sd 12:1:0:0: [sdc] Write cache: disabled, read cache: enabled, doesn't support DPO or FUA
[ 7905.844408] sdc: sdc1 sdc2 sdc3
[ 7905.864183] sd 12:1:0:0: [sdc] Attached SCSI disk
[ 7905.864261] sd 12:1:0:0: Attached scsi generic sg3 type 0
[ 7905.864418] scsi 12:2:0:0: Direct-Access ATA Hitachi HDP72505 GM4O PQ: 0 ANSI: 5
[ 7905.864542] sd 12:2:0:0: [sdd] 976773168 512-byte hardware sectors (500108 MB)
[ 7905.864560] sd 12:2:0:0: [sdd] Write Protect is off
[ 7905.864566] sd 12:2:0:0: [sdd] Mode Sense: 00 3a 00 00
[ 7905.864593] sd 12:2:0:0: [sdd] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[ 7905.864662] sd 12:2:0:0: [sdd] 976773168 512-byte hardware sectors (500108 MB)
[ 7905.864678] sd 12:2:0:0: [sdd] Write Protect is off
[ 7905.864683] sd 12:2:0:0: [sdd] Mode Sense: 00 3a 00 00
[ 7905.864709] sd 12:2:0:0: [sdd] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[ 7905.864714] sdd: sdd1
[ 7905.888043] sd 12:2:0:0: [sdd] Attached SCSI disk
[ 7905.888116] sd 12:2:0:0: Attached scsi generic sg4 type 0
[ 7905.888272] scsi 12:3:0:0: Direct-Access ATA Hitachi HUA72107 GK8O PQ: 0 ANSI: 5
[ 7905.888394] sd 12:3:0:0: [sde] 1465149168 512-byte hardware sectors (750156 MB)
[ 7905.888411] sd 12:3:0:0: [sde] Write Protect is off
[ 7905.888415] sd 12:3:0:0: [sde] Mode Sense: 00 3a 00 00
[ 7905.888441] sd 12:3:0:0: [sde] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[ 7905.888506] sd 12:3:0:0: [sde] 1465149168 512-byte hardware sectors (750156 MB)
[ 7905.888522] sd 12:3:0:0: [sde] Write Protect is off
[ 7905.888525] sd 12:3:0:0: [sde] Mode Sense: 00 3a 00 00
[ 7905.888551] sd 12:3:0:0: [sde] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[ 7905.888555] sde: sde1
[ 7905.898762] sd 12:3:0:0: [sde] Attached SCSI disk
[ 7905.898833] sd 12:3:0:0: Attached scsi generic sg5 type 0
for d in /dev/sd? ; do bash -c "hdparm -t $d &" ; done
[ 7936.193491] ata6.00: failed to read SCR 1 (Emask=0x40)
[ 7936.193502] ata6.01: failed to read SCR 1 (Emask=0x40)
[ 7936.193506] ata6.02: failed to read SCR 1 (Emask=0x40)
[ 7936.193512] ata6.03: failed to read SCR 1 (Emask=0x40)
[ 7936.193522] ata6.15: exception Emask 0x100 SAct 0x0 SErr 0x0 action 0x6 frozen
[ 7936.193528] ata6.15: irq_stat 0x00060002, PMP DMA CS errata
[ 7936.193539] ata6.00: exception Emask 0x100 SAct 0x6 SErr 0x0 action 0x6 frozen
[ 7936.193551] ata6.00: cmd 60/08:08:00:1f:00/00:00:00:00:00/40 tag 1 ncq 4096 in
[ 7936.193553] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x100 (unknown error)
[ 7936.193559] ata6.00: status: { DRDY }
[ 7936.193568] ata6.00: cmd 60/f8:10:08:1f:00/00:00:00:00:00/40 tag 2 ncq 126976 in
[ 7936.193570] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x100 (unknown error)
[ 7936.193576] ata6.00: status: { DRDY }
[ 7936.193586] ata6.01: exception Emask 0x100 SAct 0x0 SErr 0x0 action 0x6 frozen
[ 7936.193596] ata6.01: cmd c8/00:00:00:18:00/00:00:00:00:00/e0 tag 0 dma 131072 in
[ 7936.193598] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x100 (unknown error)
[ 7936.193604] ata6.01: status: { DRDY }
[ 7936.193614] ata6.02: exception Emask 0x2 SAct 0x800 SErr 0x0 action 0x6 frozen
[ 7936.193619] ata6.02: irq_stat 0x00060002, data directon mismatch
[ 7936.193631] ata6.02: cmd 60/f8:58:08:16:00/00:00:00:00:00/40 tag 11 ncq 126976 in
[ 7936.193633] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x2 (HSM violation)
[ 7936.193638] ata6.02: status: { DRDY }
[ 7936.193647] ata6.03: exception Emask 0x100 SAct 0x1008 SErr 0x0 action 0x6 frozen
[ 7936.193657] ata6.03: cmd 60/08:18:00:19:00/00:00:00:00:00/40 tag 3 ncq 4096 in
[ 7936.193659] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x100 (unknown error)
[ 7936.193664] ata6.03: status: { DRDY }
[ 7936.193675] ata6.03: cmd 60/f8:60:08:19:00/00:00:00:00:00/40 tag 12 ncq 126976 in
[ 7936.193677] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x100 (unknown error)
[ 7936.193683] ata6.03: status: { DRDY }
[ 7936.193693] ata6.15: hard resetting link
[ 7936.193697] ata6: controller in dubious state, performing PORT_RST
[ 7938.417807] ata6.15: SATA link up 3.0 Gbps (SStatus 123 SControl 0)
[ 7938.418267] ata6.00: hard resetting link
[ 7938.769221] ata6.00: SATA link up 3.0 Gbps (SStatus 123 SControl 320)
[ 7938.769268] ata6.01: hard resetting link
[ 7948.746735] ata6.01: softreset failed (timeout)
[ 7948.746746] ata6.01: hard resetting link
[ 7958.733406] ata6.01: softreset failed (timeout)
[ 7958.733417] ata6.01: hard resetting link
[ 7989.698590] ata6.01: failed to read SCR 0 (Emask=0x40)
[ 7989.698599] ata6.01: failed to read SCR 0 (Emask=0x40)
Taking too long to recover (I needed the machine for other work),
so here I unplugged the PCIe controller card.
[ 7989.698603] pciehp: Card not present on Slot(0013_0005)
[ 7989.698610] ata6.01: failed to read SCR 1 (Emask=0x40)
[ 7989.698614] ata6.01: failed to read SCR 0 (Emask=0x40)
[ 7989.698619] ata6.02: failed to read SCR 2 (Emask=0x40)
[ 7989.698623] sata_sil24: IRQ status == 0xffffffff, PCI fault or device removal?
[ 7989.698630] ata6.02: hard resetting link
[ 7989.807925] ata6.02: hardreset failed (port not ready)
[ 7989.807935] ata6.02: reset failed (errno=-5), retrying in 10 secs
[ 7999.673872] ata6.02: hard resetting link
[ 7999.785623] ata6.02: hardreset failed (port not ready)
[ 7999.785633] ata6.02: reset failed (errno=-5), retrying in 10 secs
[ 8009.651570] ata6.02: hard resetting link
[ 8009.763321] ata6.02: hardreset failed (port not ready)
[ 8009.763331] ata6.02: reset failed (errno=-5), retrying in 35 secs
Mmmm.. libata refusing to give up on a non-present card,
so just for fun I plugged it back in again:
[ 8037.211419] pciehp: Card present on Slot(0013_0005)
[ 8037.211447] sata_sil24: IRQ status == 0xffffffff, PCI fault or device removal?
[ 8041.397700] pciehp: Card not present on Slot(0013_0005)
[ 8041.397723] sata_sil24: IRQ status == 0xffffffff, PCI fault or device removal?
[ 8044.573516] ata6.02: failed to read SCR 0 (Emask=0x40)
[ 8044.573526] ata6.02: limiting SATA link speed to 1.5 Gbps
[ 8044.573530] ata6.02: hard resetting link
[ 8044.685264] ata6.02: hardreset failed (port not ready)
[ 8044.685275] ata6.02: reset failed, giving up
[ 8044.685286] ata6.15: hard resetting link
[ 8044.685290] ata6: controller in dubious state, performing PORT_RST
[ 8046.888352] ata6.15: SATA link down (SStatus FFFFFFFF SControl FFFFFFFF)
[ 8047.139783] ata6.15: qc timeout (cmd 0xe4)
[ 8047.251534] ata6.15: failed to read PMP GSCR[0] (Emask=0x4)
[ 8047.251543] ata6.15: PMP revalidation failed (errno=-5)
[ 8047.251546] ata6.15: retrying hardreset in 5 secs
[ 8047.920143] sata_sil24: IRQ status == 0xffffffff, PCI fault or device removal?
[ 8052.244373] ata6.15: hard resetting link
[ 8052.244382] ata6: controller in dubious state, performing PORT_RST
[ 8054.447456] ata6.15: SATA link down (SStatus FFFFFFFF SControl FFFFFFFF)
[ 8054.698886] ata6.15: qc timeout (cmd 0xe4)
[ 8054.810638] ata6.15: failed to read PMP GSCR[0] (Emask=0x4)
[ 8054.810647] ata6.15: PMP revalidation failed (errno=-5)
[ 8054.810655] ata6.15: limiting SATA link speed to <unknown>
[ 8054.810659] ata6.15: retrying hardreset in 5 secs
[ 8059.803478] ata6.15: hard resetting link
[ 8059.803487] ata6: controller in dubious state, performing PORT_RST
[ 8062.006561] ata6.15: SATA link down (SStatus FFFFFFFF SControl FFFFFFFF)
[ 8062.257992] ata6.15: qc timeout (cmd 0xe4)
[ 8062.369727] ata6.15: failed to read PMP GSCR[0] (Emask=0x4)
[ 8062.369736] ata6.15: PMP revalidation failed (errno=-5)
[ 8062.369743] ata6.15: limiting SATA link speed to <unknown>
[ 8062.369747] ata6.15: retrying hardreset in 5 secs
[ 8067.362548] ata6.15: hard resetting link
[ 8067.362557] ata6: controller in dubious state, performing PORT_RST
[ 8069.573606] ata6.15: SATA link down (SStatus FFFFFFFF SControl FFFFFFFF)
[ 8069.825030] ata6.15: qc timeout (cmd 0xe4)
[ 8069.936939] ata6.15: failed to read PMP GSCR[0] (Emask=0x4)
[ 8069.936949] ata6.15: PMP revalidation failed (errno=-5)
[ 8069.936955] ata6.15: limiting SATA link speed to <unknown>
[ 8069.936959] ata6.15: retrying hardreset in 5 secs
[ 8074.929619] ata6.15: hard resetting link
[ 8074.929627] ata6: controller in dubious state, performing PORT_RST
[ 8077.132724] ata6.15: SATA link down (SStatus FFFFFFFF SControl FFFFFFFF)
[ 8077.384147] ata6.15: qc timeout (cmd 0xe4)
[ 8077.495881] ata6.15: failed to read PMP GSCR[0] (Emask=0x4)
[ 8077.495889] ata6.15: PMP revalidation failed (errno=-5)
[ 8077.495894] ata6.15: failed to recover PMP after 5 tries, giving up
[ 8077.495897] ata6.15: Port Multiplier detaching
[ 8077.607655] ata6.00: disabled
[ 8077.607663] ata6.01: disabled
[ 8077.607667] ata6.02: disabled
[ 8077.607670] ata6.03: disabled
[ 8077.607677] ata6.00: disabled
[ 8077.607706] sd 12:1:0:0: [sdc] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE,SUGGEST_OK
[ 8077.607713] sd 12:1:0:0: [sdc] Sense Key : Aborted Command [current] [descriptor]
[ 8077.607720] Descriptor sense data with sense descriptors (in hex):
[ 8077.607724] 72 0b 00 00 00 00 00 0c 00 0a 80 00 00 00 00 00
[ 8077.607737] 00 00 00 00
[ 8077.607742] sd 12:1:0:0: [sdc] Add. Sense: No additional sense information
[ 8077.607750] end_request: I/O error, dev sdc, sector 6144
[ 8077.607755] Buffer I/O error on device sdc, logical block 768
[ 8077.607764] Buffer I/O error on device sdc, logical block 769
[ 8077.607769] Buffer I/O error on device sdc, logical block 770
[ 8077.607773] Buffer I/O error on device sdc, logical block 771
[ 8077.607778] Buffer I/O error on device sdc, logical block 772
[ 8077.607783] Buffer I/O error on device sdc, logical block 773
[ 8077.607787] Buffer I/O error on device sdc, logical block 774
[ 8077.607792] Buffer I/O error on device sdc, logical block 775
[ 8077.607796] Buffer I/O error on device sdc, logical block 776
[ 8077.607801] Buffer I/O error on device sdc, logical block 777
[ 8077.607845] sd 12:1:0:0: rejecting I/O to offline device
[ 8077.607855] sd 12:1:0:0: rejecting I/O to offline device
[ 8077.607906] sd 12:1:0:0: rejecting I/O to offline device
[ 8077.607919] sd 12:0:0:0: [sdb] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE,SUGGEST_OK
[ 8077.607927] sd 12:0:0:0: [sdb] Sense Key : Aborted Command [current] [descriptor]
[ 8077.607936] Descriptor sense data with sense descriptors (in hex):
[ 8077.607940] 72 0b 00 00 00 00 00 0c 00 0a 80 00 00 00 00 00
[ 8077.607960] 00 00 00 00
[ 8077.607968] sd 12:0:0:0: [sdb] Add. Sense: No additional sense information
[ 8077.607977] end_request: I/O error, dev sdb, sector 7936
[ 8077.607986] sd 12:0:0:0: rejecting I/O to offline device
[ 8077.607992] sd 12:0:0:0: rejecting I/O to offline device
[ 8077.608045] sd 12:0:0:0: [sdb] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE,SUGGEST_OK
[ 8077.608053] sd 12:0:0:0: [sdb] Sense Key : Aborted Command [current] [descriptor]
[ 8077.608062] Descriptor sense data with sense descriptors (in hex):
[ 8077.608066] 72 0b 00 00 00 00 00 0c 00 0a 80 00 00 00 00 00
[ 8077.608085] 00 00 00 00
[ 8077.608092] sd 12:0:0:0: [sdb] Add. Sense: No additional sense information
[ 8077.608101] end_request: I/O error, dev sdb, sector 7944
[ 8077.608146] sd 12:3:0:0: [sde] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE,SUGGEST_OK
[ 8077.608153] sd 12:3:0:0: [sde] Sense Key : Aborted Command [current] [descriptor]
[ 8077.608162] Descriptor sense data with sense descriptors (in hex):
[ 8077.608166] 72 0b 00 00 00 00 00 0c 00 0a 80 00 00 00 00 00
[ 8077.608187] 00 00 00 00
[ 8077.608194] sd 12:3:0:0: [sde] Add. Sense: No additional sense information
[ 8077.608203] end_request: I/O error, dev sde, sector 6400
[ 8077.608213] sd 12:3:0:0: rejecting I/O to offline device
[ 8077.608224] sd 12:2:0:0: [sdd] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE,SUGGEST_OK
[ 8077.608231] sd 12:2:0:0: [sdd] Sense Key : Aborted Command [current] [descriptor]
[ 8077.608240] Descriptor sense data with sense descriptors (in hex):
[ 8077.608244] 72 0b 00 00 00 00 00 0c 00 0a 80 00 00 00 00 00
[ 8077.608263] 00 00 00 00
[ 8077.608270] sd 12:2:0:0: [sdd] Add. Sense: No additional sense information
[ 8077.608279] end_request: I/O error, dev sdd, sector 5640
[ 8077.608324] sd 12:2:0:0: rejecting I/O to offline device
[ 8077.608334] sd 12:3:0:0: [sde] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE,SUGGEST_OK
[ 8077.608340] sd 12:3:0:0: [sde] Sense Key : Aborted Command [current] [descriptor]
[ 8077.608349] Descriptor sense data with sense descriptors (in hex):
[ 8077.608354] 72 0b 00 00 00 00 00 0c 00 0a 80 00 00 00 00 00
[ 8077.608374] 00 00 00 00
[ 8077.608381] sd 12:3:0:0: [sde] Add. Sense: No additional sense information
[ 8077.608390] end_request: I/O error, dev sde, sector 6408
[ 8077.608434] ata6: EH complete
[ 8077.608448] sd 12:1:0:0: [sdc] Result: hostbyte=DID_NO_CONNECT driverbyte=DRIVER_OK,SUGGEST_OK
[ 8077.608455] end_request: I/O error, dev sdc, sector 6400
[ 8077.608462] sd 12:0:0:0: [sdb] Result: hostbyte=DID_NO_CONNECT driverbyte=DRIVER_OK,SUGGEST_OK
[ 8077.608469] end_request: I/O error, dev sdb, sector 8192
[ 8077.608479] sd 12:3:0:0: [sde] Result: hostbyte=DID_NO_CONNECT driverbyte=DRIVER_OK,SUGGEST_OK
[ 8077.608486] end_request: I/O error, dev sde, sector 6656
[ 8077.608530] sd 12:2:0:0: [sdd] Result: hostbyte=DID_NO_CONNECT driverbyte=DRIVER_OK,SUGGEST_OK
[ 8077.608538] end_request: I/O error, dev sdd, sector 5888
[ 8077.610463] sd 12:0:0:0: [sdb] Synchronizing SCSI cache
[ 8077.610504] sd 12:0:0:0: [sdb] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK,SUGGEST_OK
[ 8077.610511] sd 12:0:0:0: [sdb] Stopping disk
[ 8077.610523] sd 12:0:0:0: [sdb] START_STOP FAILED
[ 8077.610527] sd 12:0:0:0: [sdb] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK,SUGGEST_OK
[ 8077.612167] sd 12:1:0:0: [sdc] Stopping disk
[ 8077.612187] sd 12:1:0:0: [sdc] START_STOP FAILED
[ 8077.612191] sd 12:1:0:0: [sdc] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK,SUGGEST_OK
[ 8077.613666] sd 12:2:0:0: [sdd] Synchronizing SCSI cache
[ 8077.613701] sd 12:2:0:0: [sdd] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK,SUGGEST_OK
[ 8077.613708] sd 12:2:0:0: [sdd] Stopping disk
[ 8077.613721] sd 12:2:0:0: [sdd] START_STOP FAILED
[ 8077.613725] sd 12:2:0:0: [sdd] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK,SUGGEST_OK
[ 8077.615310] sd 12:3:0:0: [sde] Synchronizing SCSI cache
[ 8077.615344] sd 12:3:0:0: [sde] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK,SUGGEST_OK
[ 8077.615352] sd 12:3:0:0: [sde] Stopping disk
[ 8077.615365] sd 12:3:0:0: [sde] START_STOP FAILED
[ 8077.615368] sd 12:3:0:0: [sde] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK,SUGGEST_OK
[ 8077.615525] ACPI: PCI interrupt for device 0000:0d:00.0 disabled
System now dead. No alt-sysrq, no nothing.
At one point there was a kernel Ooops on the screen, with libata-eh clearly
in the traceback. But this didn't make it into /var/log/messages, so.. oh well.
Like I said, I need this machine for other work (it's my main machine).
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