On Wed, Sep 08, 2021 at 10:33:26PM -0500, Jeremy Linton wrote: > +DPAA2, netdev maintainers > Hi, > > On 5/18/21 7:54 AM, Hamza Mahfooz wrote: > > Since, overlapping mappings are not supported by the DMA API we should > > report an error if active_cacheline_insert returns -EEXIST. > > It seems this patch found a victim. I was trying to run iperf3 on a > honeycomb (5.14.0, fedora 35) and the console is blasting this error message > at 100% cpu. So, I changed it to a WARN_ONCE() to get the call trace, which > is attached below. >
Thanks for the report. I don't have access to hardware at the moment to actually see what's happening since I'm on vacation. I'll work on it in a few days. Ioana _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu
