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    SubjectRe: What breaks aic7xxx in post 2.6.12-rc2 ?
    Dinakar Guniguntala <dino@in.ibm.com> wrote:
    >
    >
    > Here's a me too report.

    Better cc linux-scsi.

    Are these bugs also present in 2.6.12-rc4?

    > This is controller that I have
    >
    > 00:0e.0 SCSI storage controller: Adaptec AIC-7896U2/7897U2
    >
    > I never used to get warning such as "refuses WIDE negotiation"
    > in kernels prior to 2.6.12-rc3-mm3.
    > The machine (x86) boots up fine though.
    >
    > Here's the relevant dmesg output from 2.6.12-rc4-mm1
    >
    > ======================================================================
    >
    > scsi0 : Adaptec AIC7XXX EISA/VLB/PCI SCSI HBA DRIVER, Rev 6.2.36
    > <Adaptec aic7896/97 Ultra2 SCSI adapter>
    > aic7896/97: Ultra2 Wide Channel B, SCSI Id=7, 32/253 SCBs
    >
    > Vendor: IBM-PSG Model: ST39103LC !# Rev: B227
    > Type: Direct-Access ANSI SCSI revision: 02
    > scsi0:A:0:0: Tagged Queuing enabled. Depth 32
    > target0:0:0: Beginning Domain Validation
    > WIDTH IS 1
    > (scsi0:A:0): 6.600MB/s transfers (16bit)
    > target0:0:0: Domain Validation skipping write tests
    > (scsi0:A:0): 80.000MB/s transfers (40.000MHz, offset 15, 16bit)
    > target0:0:0: Ending Domain Validation
    > Vendor: IBM-PSG Model: ST39103LC !# Rev: B227
    > Type: Direct-Access ANSI SCSI revision: 02
    > scsi0:A:1:0: Tagged Queuing enabled. Depth 32
    > target0:0:1: Beginning Domain Validation
    > WIDTH IS 1
    > (scsi0:A:1): 6.600MB/s transfers (16bit)
    > target0:0:1: Domain Validation skipping write tests
    > (scsi0:A:1): 80.000MB/s transfers (40.000MHz, offset 15, 16bit)
    > target0:0:1: Ending Domain Validation
    > (scsi0:A:15:0): refuses WIDE negotiation. Using 8bit transfers <============
    > scsi0:0:15:0: Attempting to queue an ABORT message
    > CDB: 0x12 0x0 0x0 0x0 0x36 0x0
    > scsi0: At time of recovery, card was not paused
    > >>>>>>>>>>>>>>>>>> Dump Card State Begins <<<<<<<<<<<<<<<<<
    > scsi0: Dumping Card State in Data-in phase, at SEQADDR 0x85
    > Card was paused
    > ACCUM = 0x40, SINDEX = 0xa, DINDEX = 0xe4, ARG_2 = 0x0
    > HCNT = 0x36 SCBPTR = 0x0
    > SCSISIGI[0x46] ERROR[0x0] SCSIBUSL[0x3] LASTPHASE[0x40]
    > SCSISEQ[0x12] SBLKCTL[0xa] SCSIRATE[0x0] SEQCTL[0x10]
    > SEQ_FLAGS[0x20] SSTAT0[0x0] SSTAT1[0x2] SSTAT2[0x40]
    > SSTAT3[0x0] SIMODE0[0x8] SIMODE1[0xac] SXFRCTL0[0x80]
    > DFCNTRL[0x28] DFSTATUS[0x80]
    > STACK: 0x0 0x160 0x176 0x83
    > SCB count = 4
    > Kernel NEXTQSCB = 3
    > Card NEXTQSCB = 3
    > QINFIFO entries:
    > Waiting Queue entries:
    > Disconnected Queue entries:
    > QOUTFIFO entries:
    > Sequencer Free SCB List: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
    > Sequencer SCB Info:
    > 0 SCB_CONTROL[0x40] SCB_SCSIID[0xf7] SCB_LUN[0x0] SCB_TAG[0x2]
    > 1 SCB_CONTROL[0x0] SCB_SCSIID[0xff] SCB_LUN[0xff] SCB_TAG[0xff]
    > 2 SCB_CONTROL[0x0] SCB_SCSIID[0xff] SCB_LUN[0xff] SCB_TAG[0xff]
    > 3 SCB_CONTROL[0x0] SCB_SCSIID[0xff] SCB_LUN[0xff] SCB_TAG[0xff]
    > 4 SCB_CONTROL[0x0] SCB_SCSIID[0xff] SCB_LUN[0xff] SCB_TAG[0xff]
    > 5 SCB_CONTROL[0x0] SCB_SCSIID[0xff] SCB_LUN[0xff] SCB_TAG[0xff]
    > 6 SCB_CONTROL[0x0] SCB_SCSIID[0xff] SCB_LUN[0xff] SCB_TAG[0xff]
    > 7 SCB_CONTROL[0x0] SCB_SCSIID[0xff] SCB_LUN[0xff] SCB_TAG[0xff]
    > 8 SCB_CONTROL[0x0] SCB_SCSIID[0xff] SCB_LUN[0xff] SCB_TAG[0xff]
    > 9 SCB_CONTROL[0x0] SCB_SCSIID[0xff] SCB_LUN[0xff] SCB_TAG[0xff]
    > 10 SCB_CONTROL[0x0] SCB_SCSIID[0xff] SCB_LUN[0xff] SCB_TAG[0xff]
    > 11 SCB_CONTROL[0x0] SCB_SCSIID[0xff] SCB_LUN[0xff] SCB_TAG[0xff]
    > 12 SCB_CONTROL[0x0] SCB_SCSIID[0xff] SCB_LUN[0xff] SCB_TAG[0xff]
    > 13 SCB_CONTROL[0x0] SCB_SCSIID[0xff] SCB_LUN[0xff] SCB_TAG[0xff]
    > 14 SCB_CONTROL[0x0] SCB_SCSIID[0xff] SCB_LUN[0xff] SCB_TAG[0xff]
    > 15 SCB_CONTROL[0x0] SCB_SCSIID[0xff] SCB_LUN[0xff] SCB_TAG[0xff]
    > 16 SCB_CONTROL[0x0] SCB_SCSIID[0xff] SCB_LUN[0xff] SCB_TAG[0xff]
    > 17 SCB_CONTROL[0x0] SCB_SCSIID[0xff] SCB_LUN[0xff] SCB_TAG[0xff]
    > 18 SCB_CONTROL[0x0] SCB_SCSIID[0xff] SCB_LUN[0xff] SCB_TAG[0xff]
    > 19 SCB_CONTROL[0x0] SCB_SCSIID[0xff] SCB_LUN[0xff] SCB_TAG[0xff]
    > 20 SCB_CONTROL[0x0] SCB_SCSIID[0xff] SCB_LUN[0xff] SCB_TAG[0xff]
    > 21 SCB_CONTROL[0x0] SCB_SCSIID[0xff] SCB_LUN[0xff] SCB_TAG[0xff]
    > 22 SCB_CONTROL[0x0] SCB_SCSIID[0xff] SCB_LUN[0xff] SCB_TAG[0xff]
    > 23 SCB_CONTROL[0x0] SCB_SCSIID[0xff] SCB_LUN[0xff] SCB_TAG[0xff]
    > 24 SCB_CONTROL[0x0] SCB_SCSIID[0xff] SCB_LUN[0xff] SCB_TAG[0xff]
    > 25 SCB_CONTROL[0x0] SCB_SCSIID[0xff] SCB_LUN[0xff] SCB_TAG[0xff]
    > 26 SCB_CONTROL[0x0] SCB_SCSIID[0xff] SCB_LUN[0xff] SCB_TAG[0xff]
    > 27 SCB_CONTROL[0x0] SCB_SCSIID[0xff] SCB_LUN[0xff] SCB_TAG[0xff]
    > 28 SCB_CONTROL[0x0] SCB_SCSIID[0xff] SCB_LUN[0xff] SCB_TAG[0xff]
    > 29 SCB_CONTROL[0x0] SCB_SCSIID[0xff] SCB_LUN[0xff] SCB_TAG[0xff]
    > 30 SCB_CONTROL[0x0] SCB_SCSIID[0xff] SCB_LUN[0xff] SCB_TAG[0xff]
    > 31 SCB_CONTROL[0x0] SCB_SCSIID[0xff] SCB_LUN[0xff] SCB_TAG[0xff]
    > Pending list:
    > 2 SCB_CONTROL[0x40] SCB_SCSIID[0xf7] SCB_LUN[0x0]
    > Kernel Free SCB list: 1 0
    > Untagged Q(15): 2
    > DevQ(0:0:0): 0 waiting
    > DevQ(0:1:0): 0 waiting
    > DevQ(0:15:0): 0 waiting
    >
    > <<<<<<<<<<<<<<<<< Dump Card State Ends >>>>>>>>>>>>>>>>>>
    > scsi0:0:15:0: Device is active, asserting ATN
    > Recovery code sleeping
    > Recovery code awake
    > Timer Expired
    > aic7xxx_abort returns 0x2003
    > scsi0:0:15:0: Attempting to queue a TARGET RESET message
    > CDB: 0x12 0x0 0x0 0x0 0x36 0x0
    > aic7xxx_dev_reset returns 0x2003
    > Recovery SCB completes
    > (scsi0:A:15:0): refuses WIDE negotiation. Using 8bit transfers
    > (scsi0:A:15:0): refuses WIDE negotiation. Using 8bit transfers
    > scsi0:0:15:0: Attempting to queue an ABORT message
    > CDB: 0x12 0x0 0x0 0x0 0x36 0x0
    > scsi0: At time of recovery, card was not paused
    >
    >
    > ======================================================================
    >
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