Hi Sui, Am Montag, dem 07.10.2024 um 12:20 +0200 schrieb Lucas Stach: > Am Samstag, dem 05.10.2024 um 03:42 +0800 schrieb Sui Jingfeng: > > Print an error message to help debug when such an issue happen, since it's > > not so obvious. > > > > Signed-off-by: Sui Jingfeng <sui.jingfeng@xxxxxxxxx> > > Reviewed-by: Lucas Stach <l.stach@xxxxxxxxxxxxxx> > What happened to this patch? It's not part of the updated series anymore. Even though the problem at hand is solved right now, I still think this patch is useful to have. Regards, Lucas > > --- > > v0 -> v1: Use dev_err_ratelimited() to prevent spamming the logs > > > > v0 is at https://lore.kernel.org/dri-devel/20240930221706.399139-1-sui.jingfeng@xxxxxxxxx/ > > --- > > drivers/gpu/drm/etnaviv/etnaviv_mmu.c | 6 +++++- > > 1 file changed, 5 insertions(+), 1 deletion(-) > > > > diff --git a/drivers/gpu/drm/etnaviv/etnaviv_mmu.c b/drivers/gpu/drm/etnaviv/etnaviv_mmu.c > > index a52ec5eb0e3d..37866ed05c13 100644 > > --- a/drivers/gpu/drm/etnaviv/etnaviv_mmu.c > > +++ b/drivers/gpu/drm/etnaviv/etnaviv_mmu.c > > @@ -300,8 +300,12 @@ int etnaviv_iommu_map_gem(struct etnaviv_iommu_context *context, > > ret = etnaviv_iommu_insert_exact(context, node, user_size, va); > > else > > ret = etnaviv_iommu_find_iova(context, node, user_size); > > - if (ret < 0) > > + if (ret < 0) { > > + dev_err_ratelimited(context->global->dev, > > + "Insert iova failed: 0x%llx(0x%x)\n", > > + va, user_size); > > goto unlock; > > + } > > > > mapping->iova = node->start; > > ret = etnaviv_iommu_map(context, node->start, user_size, sgt, >