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). Brian
