Date: Mon, 16 Apr 2001 12:43:51 -0700 From: Matthew Reimer <mreimer@vpop.net> To: scsi@freebsd.org Subject: Errors: no active SCB for reconnecting target Message-ID: <3ADB4B77.B0F21EA0@vpop.net>
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What do these errors mean? Apr 15 07:33:00 ring /kernel: ahc0:A:13: no active SCB for reconnecting target - issuing BUS DEVICE RESET Apr 15 07:33:00 ring /kernel: SAVED_SCSIID == 0xd7, SAVED_LUN == 0x0, ARG_1 == 0x2a ACCUM = 0x17 Apr 15 07:33:00 ring /kernel: SEQ_FLAGS == 0x0, SCBPTR == 0x1, BTT == 0xff, SINDEX == 0x31 Apr 15 07:33:00 ring /kernel: SCSIID == 0x0, SCB_SCSIID == 0x17, SCB_LUN == 0x0, SCB_TAG == 0x2a, SCB_CONTROL == 0x64 Apr 15 07:33:00 ring /kernel: SCSIBUSL == 0x2a, SCSISIGI == 0xe6 Apr 15 07:33:00 ring /kernel: SXFRCTL0 == 0x88 Apr 15 07:33:00 ring /kernel: SEQCTL == 0x10 Apr 15 07:33:00 ring /kernel: ahc0: Dumping Card State at SEQADDR 0x1a7 Apr 15 07:33:00 ring /kernel: SCSISEQ = 0x12, SBLKCTL = 0xa, SSTAT0 0x2 Apr 15 07:33:00 ring /kernel: SCB count = 130 Apr 15 07:33:00 ring /kernel: Kernel NEXTQSCB = 35 Apr 15 07:33:00 ring /kernel: Card NEXTQSCB = 35 Apr 15 07:33:00 ring /kernel: QINFIFO entries: Apr 15 07:33:00 ring /kernel: Waiting Queue entries: Apr 15 07:33:00 ring /kernel: Disconnected Queue entries: 1:42 10:98 2:97 28:4 30:37 Apr 15 07:33:00 ring /kernel: QOUTFIFO entries: Apr 15 07:33:00 ring /kernel: Sequencer Free SCB List: 22 25 19 20 12 21 27 8 15 4 23 5 14 18 17 0 16 7 31 26 24 29 11 6 3 9 13 Apr 15 07:33:00 ring /kernel: Pending list: 98 97 4 37 42 Apr 15 07:33:00 ring /kernel: Kernel Free SCB list: 49 70 39 1 31 92 54 111 18 55 47 2 116 112 106 82 61 46 34 24 26 52 76 32 118 123 95 58 84 62 41 115 117 60 110 8 23 103 43 89 13 86 100 119 30 20 27 68 57 128 74 5 81 94 83 44 45 22 102 16 50 19 48 114 80 69 38 21 126 12 7 101 78 113 17 28 56 75 53 109 10 87 107 59 99 125 72 129 127 25 64 63 66 15 108 67 88 11 90 29 65 36 40 14 9 73 104 77 85 3 79 91 33 96 124 93 6 71 51 0 105 122 121 120 Apr 15 07:33:00 ring /kernel: ahc0: Bus Device Reset on A:13. 0 SCBs aborted Apr 15 07:34:00 ring /kernel: (da1:ahc0:0:1:0): SCB 0x2a - timed out while idle, SEQADDR == 0x8 Apr 15 07:34:00 ring /kernel: STACK == 0x3, 0x110, 0x166, 0xef Apr 15 07:34:00 ring /kernel: SXFRCTL0 == 0x80 Apr 15 07:34:00 ring /kernel: ahc0: Dumping Card State at SEQADDR 0x8 Apr 15 07:34:01 ring /kernel: SCSISEQ = 0x12, SBLKCTL = 0xa, SSTAT0 0x0 Apr 15 07:34:01 ring /kernel: SCB count = 130 Apr 15 07:34:01 ring /kernel: Kernel NEXTQSCB = 54 Apr 15 07:34:01 ring /kernel: Card NEXTQSCB = 54 Apr 15 07:34:01 ring /kernel: QINFIFO entries: Apr 15 07:34:01 ring /kernel: Waiting Queue entries: Apr 15 07:34:01 ring /kernel: Disconnected Queue entries: 1:42 10:98 2:97 Apr 15 07:34:01 ring /kernel: QOUTFIFO entries: Apr 15 07:34:01 ring /kernel: Sequencer Free SCB List: 8 30 6 14 4 17 12 7 31 15 21 3 26 13 0 29 22 18 11 23 9 19 24 20 16 27 28 25 5 Apr 15 07:34:01 ring /kernel: Pending list: 98 97 42 Apr 15 07:34:01 ring /kernel: Kernel Free SCB list: 26 61 112 92 39 58 76 31 123 46 70 35 32 115 84 34 110 41 62 8 82 23 95 60 52 116 117 47 55 118 37 24 106 49 1 4 2 111 18 103 43 89 13 86 100 119 30 20 27 68 57 128 74 5 81 94 83 44 45 22 102 16 50 19 48 114 80 69 38 21 126 12 7 101 78 113 17 28 56 75 53 109 10 87 107 59 99 125 72 129 127 25 64 63 66 15 108 67 88 11 90 29 65 36 40 14 9 73 104 77 85 3 79 91 33 96 124 93 6 71 51 0 105 122 121 120 Apr 15 07:34:01 ring /kernel: sg[0] - Addr 0xd637000 : Length 4096 Apr 15 07:34:01 ring /kernel: sg[1] - Addr 0x878000 : Length 4096 Apr 15 07:34:01 ring /kernel: (da1:ahc0:0:1:0): Queuing a BDR SCB Apr 15 07:34:01 ring /kernel: (da1:ahc0:0:1:0): Bus Device Reset Message Sent Apr 15 07:34:01 ring /kernel: (da1:ahc0:0:1:0): no longer in timeout, status = 34b Apr 15 07:34:01 ring /kernel: ahc0: Bus Device Reset on A:1. 3 SCBs aborted Apr 15 10:15:22 ring /kernel: ahc0:A:12: no active SCB for reconnecting target - issuing BUS DEVICE RESET Apr 15 10:15:22 ring /kernel: SAVED_SCSIID == 0xc7, SAVED_LUN == 0x0, ARG_1 == 0x46 ACCUM = 0x7 Apr 15 10:15:22 ring /kernel: SEQ_FLAGS == 0x0, SCBPTR == 0x1e, BTT == 0xff, SINDEX == 0x31 Apr 15 10:15:22 ring /kernel: SCSIID == 0x0, SCB_SCSIID == 0x7, SCB_LUN == 0x0, SCB_TAG == 0x46, SCB_CONTROL == 0x64 Apr 15 10:15:22 ring /kernel: SCSIBUSL == 0x46, SCSISIGI == 0xe6 Apr 15 10:15:22 ring /kernel: SXFRCTL0 == 0x88 Apr 15 10:15:22 ring /kernel: SEQCTL == 0x10 Apr 15 10:15:22 ring /kernel: ahc0: Dumping Card State at SEQADDR 0x1a7 Apr 15 10:15:22 ring /kernel: SCSISEQ = 0x12, SBLKCTL = 0xa, SSTAT0 0x2 Apr 15 10:15:22 ring /kernel: SCB count = 130 Apr 15 10:15:22 ring /kernel: Kernel NEXTQSCB = 48 Apr 15 10:15:22 ring /kernel: Card NEXTQSCB = 48 Apr 15 10:15:22 ring /kernel: QINFIFO entries: Apr 15 10:15:22 ring /kernel: Waiting Queue entries: Apr 15 10:15:22 ring /kernel: Disconnected Queue entries: 30:70 12:11 14:15 13:107 23:20 0:23 25:16 9:27 28:31 5:5 4:4 Apr 15 10:15:22 ring /kernel: QOUTFIFO entries: Apr 15 10:15:22 ring /kernel: Sequencer Free SCB List: 6 18 16 21 26 17 3 29 1 19 20 22 24 8 27 7 2 31 15 10 11 Apr 15 10:15:22 ring /kernel: Pending list: 15 11 107 20 23 16 27 31 5 70 4 Apr 15 10:15:22 ring /kernel: Kernel Free SCB list: 46 10 102 45 36 38 66 65 118 54 39 64 104 99 87 41 119 30 49 69 116 129 88 76 62 83 40 127 123 128 61 35 115 25 47 18 111 126 14 53 17 68 19 110 98 50 94 37 22 82 63 109 117 57 24 52 114 100 92 75 32 29 42 60 90 103 78 84 89 112 55 9 26 74 34 125 97 43 56 8 73 106 1 21 12 108 101 58 2 67 13 81 95 86 80 113 72 7 44 59 28 77 85 3 79 91 33 96 124 93 6 71 51 0 105 122 121 120 Apr 15 10:15:22 ring /kernel: ahc0: Bus Device Reset on A:12. 0 SCBs aborted Apr 15 10:16:23 ring /kernel: (da0:ahc0:0:0:0): SCB 0x4 - timed out while idle, SEQADDR == 0x8 Apr 15 10:16:23 ring /kernel: STACK == 0x3, 0x17c, 0x166, 0xef Apr 15 10:16:23 ring /kernel: SXFRCTL0 == 0x80 Apr 15 10:16:23 ring /kernel: ahc0: Dumping Card State at SEQADDR 0x8 Apr 15 10:16:24 ring /kernel: SCSISEQ = 0x12, SBLKCTL = 0xa, SSTAT0 0x20 Apr 15 10:16:24 ring /kernel: SCB count = 130 Apr 15 10:16:24 ring /kernel: Kernel NEXTQSCB = 82 Apr 15 10:16:24 ring /kernel: Card NEXTQSCB = 82 Apr 15 10:16:24 ring /kernel: QINFIFO entries: Apr 15 10:16:24 ring /kernel: Waiting Queue entries: Apr 15 10:16:24 ring /kernel: Disconnected Queue entries: 26:88 30:70 5:5 4:4 Apr 15 10:16:24 ring /kernel: QOUTFIFO entries: Apr 15 10:16:24 ring /kernel: Sequencer Free SCB List: 10 7 13 25 15 31 23 9 12 18 1 24 17 3 14 20 8 16 6 28 0 2 19 22 21 29 27 11 Apr 15 10:16:24 ring /kernel: Pending list: 88 5 70 4 Apr 15 10:16:24 ring /kernel: Kernel Free SCB list: 62 111 16 126 46 83 57 27 49 94 30 25 87 127 118 110 50 41 40 37 17 69 47 53 76 52 22 117 98 11 63 107 39 23 104 18 119 61 116 64 45 129 38 99 20 36 68 48 10 102 15 109 128 54 123 14 115 31 35 65 66 114 24 19 100 92 75 32 29 42 60 90 103 78 84 89 112 55 9 26 74 34 125 97 43 56 8 73 106 1 21 12 108 101 58 2 67 13 81 95 86 80 113 72 7 44 59 28 77 85 3 79 91 33 96 124 93 6 71 51 0 105 122 121 120 Apr 15 10:16:24 ring /kernel: sg[0] - Addr 0xc7e4000 : Length 4096 Apr 15 10:16:24 ring /kernel: sg[1] - Addr 0x3725000 : Length 4096 Apr 15 10:16:25 ring /kernel: sg[2] - Addr 0xa0c6000 : Length 4096 Apr 15 10:16:25 ring /kernel: sg[3] - Addr 0xe4a7000 : Length 4096 Apr 15 10:16:25 ring /kernel: (da0:ahc0:0:0:0): Queuing a BDR SCB Apr 15 10:16:25 ring /kernel: (da0:ahc0:0:0:0): Bus Device Reset Message Sent Apr 15 10:16:25 ring /kernel: (da0:ahc0:0:0:0): no longer in timeout, status = 34b Apr 15 10:16:25 ring /kernel: ahc0: Bus Device Reset on A:0. 3 SCBs aborted This machine has an L440GX motherboard with onboard Ultra2 adapter, plus another PCI 2940: ahc0: <Adaptec aic7896/97 Ultra2 SCSI adapter> port 0x1400-0x14ff mem 0xf4100000-0xf4100fff irq 11 at device 12.0 on pci0 aic7896/97: Wide Channel A, SCSI Id=7, 32/255 SCBs ahc1: <Adaptec aic7896/97 Ultra2 SCSI adapter> port 0x1800-0x18ff mem 0xf4101000-0xf4101fff irq 11 at device 12.1 on pci0 aic7896/97: Wide Channel B, SCSI Id=7, 32/255 SCBs ahc2: <Adaptec 2940 SCSI adapter> port 0x2000-0x20ff mem 0xf4103000-0xf4103fff irq 5 at device 16.0 on pci0 aic7870: Wide Channel A, SCSI Id=7, 16/255 SCBs SCSI devices: sa0 at ahc2 bus 0 target 0 lun 0 sa0: <Quantum DLT4000 D069> Removable Sequential Access SCSI-2 device sa0: 10.000MB/s transfers (10.000MHz, offset 15) da1 at ahc0 bus 0 target 1 lun 0 da1: <IBM DMVS36V 0100> Fixed Direct Access SCSI-3 device da1: 40.000MB/s transfers (20.000MHz, offset 31, 16bit), Tagged Queueing Enabled da1: 35003MB (71687340 512 byte sectors: 255H 63S/T 4462C) da0 at ahc0 bus 0 target 0 lun 0 da0: <IBM DNES-309170W SA30> Fixed Direct Access SCSI-3 device da0: 80.000MB/s transfers (40.000MHz, offset 31, 16bit), Tagged Queueing Enabled da0: 8748MB (17916240 512 byte sectors: 255H 63S/T 1115C) ch0 at ahc2 bus 0 target 1 lun 0 ch0: <HP C6280-4000 2.04> Removable Changer SCSI-2 device ch0: 3.300MB/s transfers ch0: 8 slots, 1 drive, 1 picker, 0 portals da2 at ahc1 bus 0 target 2 lun 0 da2: <IBM DDYS-T36950N S93E> Fixed Direct Access SCSI-3 device da2: 40.000MB/s transfers (20.000MHz, offset 63, 16bit), Tagged Queueing Enabled da2: 35003MB (71687340 512 byte sectors: 255H 63S/T 4462C) The disks are all connected with Adaptec LVD cables. The machine hasn't hung since these errors were reported, but we were having problems earlier in the month. Thanks in advance for your help. Matt To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message
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