> Greetings, > > When box is earning its keep, nouveau/swiotlb grumble.. a LOT. The > below is from master.today. > > [12594.640959] nouveau 0000:01:00.0: swiotlb buffer is full (sz: 2097152 > bytes) > [12594.693000] nouveau 0000:01:00.0: swiotlb buffer is full (sz: 2097152 > bytes) > [12594.713787] nouveau 0000:01:00.0: swiotlb buffer is full (sz: 2097152 > bytes) > [12594.743413] nouveau 0000:01:00.0: swiotlb buffer is full (sz: 2097152 > bytes) > [12594.796740] nouveau 0000:01:00.0: swiotlb buffer is full (sz: 2097152 > bytes) > [12607.000774] swiotlb_tbl_map_single: 54 callbacks suppressed > [12607.000776] nouveau 0000:01:00.0: swiotlb buffer is full (sz: 2097152 > bytes) > [12607.347941] nouveau 0000:01:00.0: swiotlb buffer is full (sz: 2097152 > bytes) > [12608.677038] nouveau 0000:01:00.0: swiotlb buffer is full (sz: 2097152 > bytes) > homer:/novell/ssh # dmesg|grep 'swiotlb buffer is full'|wc -l > 2052 > homer:/novell/ssh # dmesg|grep 'callbacks suppressed'|wc -l > 171 > > lib/swiotlb.c: > 573 not_found: > 574 spin_unlock_irqrestore(&io_tlb_lock, flags); > 575 if (!(attrs & DMA_ATTR_NO_WARN) && printk_ratelimit()) > 576 dev_warn(hwdev, "swiotlb buffer is full (sz: %zd > bytes)\n", size); > > Does nouveau perhaps want one of those DMA_ATTR_NO_WARN thingies? >
Could you bisect ? I would love to point finger upstream to the DMA folk who made changes to that API without testing with GPU. Cheers, Jérôme _______________________________________________ Nouveau mailing list Nouveau@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/nouveau
