diff options
| -rw-r--r-- | drivers/iommu/arm-smmu.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c index b989b025e0a5..f9da1c283b45 100644 --- a/drivers/iommu/arm-smmu.c +++ b/drivers/iommu/arm-smmu.c @@ -1256,6 +1256,10 @@ static irqreturn_t arm_smmu_context_fault(int irq, void *dev) (fsr & 0x80000000) ? "MULTI " : ""); dev_err(smmu->dev, "soft iova-to-phys=%pa\n", &phys_soft); + if (!phys_soft) + dev_err(smmu->dev, + "SOFTWARE TABLE WALK FAILED! Looks like %s accessed an unmapped address!\n", + dev_name(smmu->dev)); dev_err(smmu->dev, "hard iova-to-phys (ATOS)=%pa\n", &phys_atos); dev_err(smmu->dev, "SID=0x%x\n", frsynra & 0xffff); |