On Wed, Aug 14, 2019 at 04:50:33PM +0200, Corentin Labbe wrote: > Hello > > Since lot of release (at least since 4.19), I hit the following error message: > DMA-API: cacheline tracking ENOMEM, dma-debug disabled > > After hitting that, I try to check who is creating so many DMA mapping and see: > cat /sys/kernel/debug/dma-api/dump | cut -d' ' -f2 | sort | uniq -c > 6 ahci > 257 e1000e > 6 ehci-pci > 5891 nouveau > 24 uhci_hcd > > Does nouveau having this high number of DMA mapping is normal ? Yeah seems perfectly fine for a gpu. -Daniel -- Daniel Vetter Software Engineer, Intel Corporation http://blog.ffwll.ch _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
