Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx> writes: > On Thu, May 20, 2021 at 11:04:05AM -0700, Bhaumik Bhatt wrote: >> On 2021-05-20 10:58 AM, Greg KH wrote: >> > On Thu, May 20, 2021 at 10:38:12AM -0700, Bhaumik Bhatt wrote: >> > > On 2021-05-20 05:36 AM, Kalle Valo wrote: >> > > > Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx> writes: >> > > > >> > > > > On Thu, May 20, 2021 at 12:02:40PM +0200, Greg KH wrote: >> > > > > > On Thu, May 20, 2021 at 12:47:53PM +0300, Kalle Valo wrote: >> > > > > > > Hi, >> > > > > > > >> > > > > > > I got several reports that this mhi commit broke ath11k in v5.12.3: >> > > > > > > >> > > > > > > commit 29b9829718c5e9bd68fc1c652f5e0ba9b9a64fed >> > > > > > > Author: Bhaumik Bhatt <bbhatt@xxxxxxxxxxxxxx> >> > > > > > > Date: Wed Feb 24 15:23:04 2021 -0800 >> > > > > > > >> > > > > > > bus: mhi: core: Process execution environment changes serially >> > > > > > > >> > > > > > > [ Upstream commit ef2126c4e2ea2b92f543fae00a2a0332e4573c48 ] >> > > > > > > >> > > > > > > Here are the reports: >> > > > > > > >> > > > > > > https://bugzilla.kernel.org/show_bug.cgi?id=213055 >> > > > > > > >> > > > > > > https://bugzilla.kernel.org/show_bug.cgi?id=212187 >> > > > > > > >> > > > > > > https://bugs.archlinux.org/task/70849?project=1&string=linux >> > > > > > > >> > > > > > > Interestingly v5.13-rc1 seems to work fine, at least for me, though I >> > > > > > > have not tested v5.12.3 myself. Can someone revert this commit in the >> > > > > > > stable release so that people get their wifi working again, please? >> > > > > > >> > > > > > How does the mhi bus code relate to a ath11k driver? What bus >> > > > > > is that >> > > > > > on? >> > > > > > >> > > > > >> > > > > MHI is the transport used by the ath11k driver to work with the WLAN >> > > > > devices >> > > > > over PCIe. >> > > > > >> > > > > Regarding the bug, I'd suggest to wait for Bhaumik (the author of >> > > > > 29b9829718c5) >> > > > > to comment on the possible commit which needs backporting from >> > > > > mainline. >> > > > >> > > > Ok, but if a quick fix is not available I think we should just revert >> > > > this in the stable releases. I also got a report that v5.11.21 is >> > > > broken: >> > > > >> > > > https://bugzilla.kernel.org/show_bug.cgi?id=213055#c11 >> > > >> > > Please pick [1] as the dependency to [ Upstream commit >> > > ef2126c4e2ea2b92f543fae00a2a0332e4573c48 ]. >> > >> > what is [1]??? >> > >> > What commit do I need to backport, a commit id would be nice... >> > >> > thanks, >> > >> > greg k-h >> Sure Greg. Commit id is: 4884362f6977fc05cbec736625665241c0e0732f >> >> Title of patch: >> bus: mhi: core: Download AMSS image from appropriate function >> >> It was supposed to be a link but not sure why it's not seen. > > Text email doesn't have links :) > > Anyway, thanks, now queued up. I'm now getting confirmations that this issue is fixed in v5.12.6. Thanks for the quick fix and the quick new release! -- https://patchwork.kernel.org/project/linux-wireless/list/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches