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path: root/drivers/block/cciss.c
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-rw-r--r--drivers/block/cciss.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index 31064df..ce1a75d 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -4519,6 +4519,12 @@ static __devinit int cciss_kdump_hard_reset_controller(struct pci_dev *pdev)
misc_fw_support = readl(&cfgtable->misc_fw_support);
use_doorbell = misc_fw_support & MISC_FW_DOORBELL_RESET;
+ /* The doorbell reset seems to cause lockups on some Smart
+ * Arrays (e.g. P410, P410i, maybe others). Until this is
+ * fixed or at least isolated, avoid the doorbell reset.
+ */
+ use_doorbell = 0;
+
rc = cciss_controller_hard_reset(pdev, vaddr, use_doorbell);
if (rc)
goto unmap_cfgtable;