> Please find attached a debug log generated with your patch. > > I used the sata disk and two em28xx dvb sticks, no other usb devices, > no ethernet cable connected, tuners on saa716x-based card not used. > > What I can see in the log: a lot of coherent mappings from sata_mv > and orion_ehci, a few from mv643xx_eth, no other coherent mappings. > All coherent mappings are page aligned, some of them (from orion_ehci) > are not really small (as claimed in __alloc_from_pool). > > I don't believe in a memory leak. When I restart vdr (the application > utilizing the dvb sticks) then there is enough dma memory available > again.
Hi Soeren We should be able to rule out a leak. Mount debugfg and then: while [ /bin/true ] ; do cat /debug/dma-api/num_free_entries ; sleep 60 ; done while you are capturing. See if the number goes down. Andrew -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/