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Freeze the simq, not the devq, if we run out of command slots. This fixes

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the last round of reported instability in the rev 13/14 driver.

Approved by: Erich Chen
This commit is contained in:
Scott Long 2007-04-02 03:31:37 +00:00
parent a9be51acfe
commit 15735bec61
1 changed files with 4 additions and 5 deletions
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9
sys/dev/arcmsr/arcmsr.c
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@ -1270,8 +1270,7 @@ static void arcmsr_executesrb(void *arg, bus_dma_segment_t *dm_segs, int nseg, i
, acb->pci_unit, error);
}
if((pccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INPROG) {
xpt_freeze_devq(pccb->ccb_h.path, /*count*/1);
pccb->ccb_h.status |= (CAM_REQ_TOO_BIG|CAM_DEV_QFRZN);
pccb->ccb_h.status |= CAM_REQ_TOO_BIG;
}
arcmsr_srb_complete(srb, 0);
return;
@ -1307,14 +1306,14 @@ static void arcmsr_executesrb(void *arg, bus_dma_segment_t *dm_segs, int nseg, i
arcmsr_srb_complete(srb, 0);
return;
}
pccb->ccb_h.status |= CAM_SIM_QUEUED;
if(acb->srboutstandingcount >= ARCMSR_MAX_OUTSTANDING_CMD) {
pccb->ccb_h.status &= ~CAM_STATUS_MASK;
pccb->ccb_h.status |= (CAM_REQUEUE_REQ|CAM_DEV_QFRZN);
xpt_freeze_simq(acb->psim, 1);
pccb->ccb_h.status = CAM_REQUEUE_REQ;
acb->acb_flags |= ACB_F_CAM_DEV_QFRZN;
arcmsr_srb_complete(srb, 0);
return;
}
pccb->ccb_h.status |= CAM_SIM_QUEUED;
arcmsr_build_srb(srb, dm_segs, nseg);
arcmsr_post_srb(acb, srb);
return;