Looks like someone had a look on the bug tracker (https://bugzilla.kernel.org/show_bug.cgi?id=206275#c6) and they figure it's definitely a regression in the kernel and should be reverted or rectified. They advised me to come ping here once more. - Alex On Sat, Feb 1, 2020 at 4:19 PM Alex Guzman <alex@xxxxxxxxx> wrote: > > Hey there! I reported a bug on the bug tracker a bit ago but haven't > seen any movement, so I figured I'd drop in here. My XPS 9560 has been > having issues with its TPM, and all commands will fail with error 1 > when operating on the TPM device. I managed to bisect it back to > commit 4d6ebc4c4950595414722dfadd0b361f5a05d37e (tpm: fix invalid > locking in NONBLOCKING mode) though it began failing with error 14 > (bad address) at that point. > > I reported the bug at > https://bugzilla.kernel.org/show_bug.cgi?id=206275 and attached some > dmesg logs from boot there. Does anyone have any suggestions for > additional debugging or such to figure out what's happening here? > > - Alex
