Messages in this thread Patch in this message | | | Subject | [RFQ] aic7xxx driver panics under heavy swap. | From | "Bulent Abali" <> | Date | Tue, 19 Jun 2001 11:46:02 -0400 |
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Justin, When free memory is low, I get a series of aic7xxx messages followed by panic. It appears to be a race condition in the code. Should you panic? I tried the following patch to not panic. But I am not sure if it is functionally correct. Bulent
scsi0: Temporary Resource Shortage scsi0: Temporary Resource Shortage scsi0: Temporary Resource Shortage scsi0: Temporary Resource Shortage scsi0: Temporary Resource Shortage Kernel panic: running device on run list
--- aic7xxx_linux.c.save Mon Jun 18 20:25:35 2001 +++ aic7xxx_linux.c Mon Jun 18 20:26:29 2001 @@ -1552,12 +1552,14 @@ * Get an scb to use. */ if ((scb = ahc_get_scb(ahc)) == NULL) { + ahc->flags |= AHC_RESOURCE_SHORTAGE; if ((dev->flags & AHC_DEV_ON_RUN_LIST) != 0) - panic("running device on run list"); + return; + // panic("running device on run list"); LIST_INSERT_HEAD(&ahc->platform_data->device_runq, dev, links); dev->flags |= AHC_DEV_ON_RUN_LIST; - ahc->flags |= AHC_RESOURCE_SHORTAGE; + // ahc->flags |= AHC_RESOURCE_SHORTAGE; printf("%s: Temporary Resource Shortage\n", ahc_name(ahc)); return;
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