On Mon, Jul 18, 2011 at 2:32 PM, Yinghai Lu <yinghai@xxxxxxxxxx> wrote:
> On Mon, Jul 18, 2011 at 2:16 PM, Andrew Vasquez
> <andrew.vasquez@xxxxxxxxxx> wrote:
>> Suresh,
>>
>> Any thoughts/ideas on this? Could you help with the INTR-REMAP
>> messages?
>>
>> Thanks,
>> Andrew Vasquez
>>
>> ----
>>
>> All,
>>
>> We've seen a few reports logged with upstream kernels where qla2xxx is
>> unable to initialize HW due to what appears to be a lack of
>> interrupt routing:
>>
>> [ 1137.271156] qla2xxx 0000:18:00.0: Found an ISP2532, irq 52, iobase 0xffffc90000028000
>> [ 1137.271438] qla2xxx 0000:18:00.0: irq 96 for MSI/MSI-X
>> [ 1137.271447] qla2xxx 0000:18:00.0: irq 97 for MSI/MSI-X
>> [ 1137.271706] qla2xxx 0000:18:00.0: Configuring PCI space...
>> [ 1137.271725] qla2xxx 0000:18:00.0: setting latency timer to 64
>> [ 1137.271732] qla2xxx 0000:18:00.0: enabling Mem-Wr-Inval
>> [ 1137.278705] DRHD: handling fault status reg 2
>> [ 1137.278715] INTR-REMAP: Request device [[18:00.0] fault index 20
>> [ 1137.278717] INTR-REMAP:[fault reason 34] Present field in the IRTE entry is clear
>> [ 1159.389099] qla2xxx 0000:0c:07.0: Cable is unplugged...
>> [ 1167.218478] qla2xxx 0000:18:00.0: Mailbox command timeout occurred. Scheduling ISP abort. eeh_busy: 0x0
>> [ 1167.218490] qla2xxx 0000:18:00.0: Unable to burst-read optrom segment (100/7ff50400/18389b000).
>> [ 1167.218496] qla2xxx 0000:18:00.0: Reverting to slow-read.
>> [ 1197.174623] qla2xxx 0000:18:00.0: Unable to burst-read optrom segment (100/7ff50000/18389b000).
>> [ 1197.174632] qla2xxx 0000:18:00.0: Reverting to slow-read.
>> [ 1197.190613] qla2xxx 0000:18:00.0: Configure NVRAM parameters...
>> [ 1197.198582] qla2xxx 0000:18:00.0: Verifying loaded RISC code...
>> [ 1227.142951] qla2xxx 0000:18:00.0: Failed mailbox send register test
>> [ 1227.142959] qla2xxx 0000:18:00.0: Failed to initialize adapter
please check attached patch, it should fix that configuration.
Thanks
Yinghai
---
drivers/iommu/dmar.c | 11 +++++++++++
include/linux/dmar.h | 4 +---
2 files changed, 12 insertions(+), 3 deletions(-)
Index: linux-2.6/include/linux/dmar.h
===================================================================
--- linux-2.6.orig/include/linux/dmar.h
+++ linux-2.6/include/linux/dmar.h
@@ -232,9 +232,7 @@ struct dmar_atsr_unit {
#define for_each_atsr_unit(atsr) \
list_for_each_entry(atsr, &dmar_atsr_units, list)
-extern int intel_iommu_init(void);
-#else /* !CONFIG_DMAR: */
-static inline int intel_iommu_init(void) { return -ENODEV; }
#endif /* CONFIG_DMAR */
+extern int intel_iommu_init(void);
#endif /* __DMAR_H__ */
Index: linux-2.6/drivers/iommu/dmar.c
===================================================================
--- linux-2.6.orig/drivers/iommu/dmar.c
+++ linux-2.6/drivers/iommu/dmar.c
@@ -722,6 +722,17 @@ int __init detect_intel_iommu(void)
return ret ? 1 : -ENODEV;
}
+#ifndef CONFIG_DMAR
+int __init intel_iommu_init(void)
+{
+ if (dmar_table_init()) {
+ return -ENODEV;
+ }
+
+ dmar_dev_scope_init();
+ return -ENODEV;
+}
+#endif
int alloc_iommu(struct dmar_drhd_unit *drhd)
{
