On Thu, Jun 6, 2019 at 5:17 PM Alistair Popple <alist...@popple.id.au> wrote: > > I have been hitting EEH address errors testing this with some network > cards which map/unmap DMA addresses more frequently. For example: > > PHB4 PHB#5 Diag-data (Version: 1) > brdgCtl: 00000002 > RootSts: 00060020 00402000 a0220008 00100107 00000800 > PhbSts: 0000001c00000000 0000001c00000000 > Lem: 0000000100000080 0000000000000000 0000000000000080 > PhbErr: 0000028000000000 0000020000000000 2148000098000240 > a008400000000000 > RxeTceErr: 2000000000000000 2000000000000000 c000000000000000 > 0000000000000000 > PblErr: 0000000000020000 0000000000020000 0000000000000000 > 0000000000000000 > RegbErr: 0000004000000000 0000004000000000 61000c4800000000 > 0000000000000000 > PE[000] A/B: 8300b03800000000 8000000000000000 > > Interestingly the PE[000] A/B data is the same across different cards > and drivers.
TCE page fault due to permissions so odds are the DMA address was unmapped. What cards did you get this with? I tried with one of the common BCM5719 NICs and generated network traffic by using rsync to copy a linux git tree to the system and it worked fine.
