On Tue, Jun 02, 2020 at 01:04:26PM -0700, Brian Norris wrote: > On Tue, Jun 2, 2020 at 12:40 PM John Stultz <john.stu...@linaro.org> wrote: > > On Tue, Jun 2, 2020 at 12:16 PM Brian Norris <briannor...@chromium.org> > > wrote: > > > On Mon, Jun 1, 2020 at 10:25 PM John Stultz <john.stu...@linaro.org> > > > wrote: > > > > > > > > Ever since 5.7-rc1, if we call > > > > ath10k_qmi_remove_msa_permission(), the db845c hard crashes on > > > > reboot, resulting in the device getting stuck in the usb crash > > > > debug mode and not coming back up wihthout a hard power off. > > > > > > > > This hack avoids the issue by returning early in > > > > ath10k_qmi_event_server_exit(). > > > > > > > > A better solution is very much desired! > > > > > > Any chance you can bisect what caused this? There are a lot of > > > non-ath10k pieces involved in this stuff. > > > > Amit had spent some work on chasing it down to the in kernel qrtr-ns > > work, and reported it here: > > https://lists.infradead.org/pipermail/ath10k/2020-April/014970.html > > > > But that discussion seemingly stalled out, so I came up with this hack > > to workaround it for us. > > If I'm reading it right, then that means we should revert this stuff > from v5.7-rc1: > > 0c2204a4ad71 net: qrtr: Migrate nameservice to kernel from userspace > > At least, until people can resolve the tail end of that thread. New > features (ath11k, etc.) are not a reason to break existing features > (ath10k/wcn3990).
I don't agree with this. If you read through the replies to the bug report, it is clear that NS migration uncovered a corner case or even a bug. So we should try to fix that indeed. Govind: Did you get chance to work on fixing this issue? Thanks, Mani > > Brian
