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Red Hat Bugzilla – Attachment 314213 Details for
Bug 458620
Problem with aic79xx
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[patch]
patch to reset HBA
aic.patch (text/plain), 809 bytes, created by
Neil Horman
on 2008-08-13 15:14:42 UTC
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Description:
patch to reset HBA
Filename:
MIME Type:
Creator:
Neil Horman
Created:
2008-08-13 15:14:42 UTC
Size:
809 bytes
patch
obsolete
>--- linux-2.6.18.noarch/drivers/scsi/aic7xxx/aic79xx_pci.c.orig 2008-08-13 08:01:58.000000000 -0400 >+++ linux-2.6.18.noarch/drivers/scsi/aic7xxx/aic79xx_pci.c 2008-08-13 08:10:50.000000000 -0400 >@@ -385,6 +385,18 @@ > error = ahd_pci_map_int(ahd); > if (!error) > ahd->init_level++; >+ >+ /* >+ * If we are a kdump kernel rebooting the box, this controller was not >+ * shut down properly, and as a result its possible for I/O operations >+ * to be left in flight that can cause the device to stop responding >+ * specifically the card can be in a paused state, and requests can >+ * be queued to it prior to it being unpaused in ahd_resume, leading to >+ * panic. Handle this by resetting the card here, as we do in shutdown >+ */ >+ if (reset_devices) >+ error = ahd_reset(ahd, TRUE); >+ > return error; > } >
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