Comment 4 for bug 1788630

My problem is with the wireless card QCA9377. It has a 50% boot success rate. One time it boots, the next time it fails. On my case, I'm able to, say, install Ubuntu successfully, but after shutting the computer down and booting it again it would fail, so there is a window to act.

Unfortunately I have found no way to work around this issue, the only solution being to install the mainline kernel. I have helped to investigate, even bisected the kernel, but the patch alone was not enough, as it seems the problem is complex and correctable only with many patches.

After the r8169 bug I reported that was fixed to me but create an enormous regression to other users, I feel uneasy of asking to fix bugs I'm having, as they could introduce serious regressions to other users.

I already use many boot parameters, mainly to enable functionalities I desire, not to work around bugs, fortunately. I use:

quiet kvm.ignore_msrs=1 kvm.halt_poll_ns=0 kvm.halt_poll_ns_grow=0 intel_iommu=on iommu=pt i915.enable_gvt=1 resume=UUID=0946602f-3ca2-4379-9012-7a5171928de7 ro mtrr_gran_size=2M mtrr_chunk_size=64M cgroup_enable=memory swapaccount=1

As I want to use Intel GVT-g, cgroups and hibernation. There are options to ath10k, but found none that worked to me.