Right now its difficult to see which device is running out of iommu space:
iommu_alloc failed, tbl c00000076e096660 vaddr c000000768806600 npages 1 Use dev_info() so we get the device name and location: ipr 0000:00:01.0: iommu_alloc failed, tbl c00000076e096660 vaddr c000000768806600 npages 1 Signed-off-by: Anton Blanchard <[email protected]> --- Index: powerpc.git/arch/powerpc/kernel/iommu.c =================================================================== --- powerpc.git.orig/arch/powerpc/kernel/iommu.c 2010-12-08 11:28:39.055483332 +1100 +++ powerpc.git/arch/powerpc/kernel/iommu.c 2010-12-08 11:30:54.569176185 +1100 @@ -311,8 +311,9 @@ int iommu_map_sg(struct device *dev, str /* Handle failure */ if (unlikely(entry == DMA_ERROR_CODE)) { if (printk_ratelimit()) - printk(KERN_INFO "iommu_alloc failed, tbl %p vaddr %lx" - " npages %lx\n", tbl, vaddr, npages); + dev_info(dev, "iommu_alloc failed, tbl %p " + "vaddr %lx npages %lu\n", tbl, vaddr, + npages); goto failure; } @@ -579,9 +580,9 @@ dma_addr_t iommu_map_page(struct device attrs); if (dma_handle == DMA_ERROR_CODE) { if (printk_ratelimit()) { - printk(KERN_INFO "iommu_alloc failed, " - "tbl %p vaddr %p npages %d\n", - tbl, vaddr, npages); + dev_info(dev, "iommu_alloc failed, tbl %p " + "vaddr %p npages %d\n", tbl, vaddr, + npages); } } else dma_handle |= (uaddr & ~IOMMU_PAGE_MASK); @@ -627,7 +628,8 @@ void *iommu_alloc_coherent(struct device * the tce tables. */ if (order >= IOMAP_MAX_ORDER) { - printk("iommu_alloc_consistent size too large: 0x%lx\n", size); + dev_info(dev, "iommu_alloc_consistent size too large: 0x%lx\n", + size); return NULL; } _______________________________________________ Linuxppc-dev mailing list [email protected] https://lists.ozlabs.org/listinfo/linuxppc-dev
