On Tue, Oct 26, 2021 at 2:20 PM Milan P. Stanić <mps@xxxxxxxxxxx> wrote: > On Tue, 2021-10-26 at 13:55, Brian Norris wrote: > > On Fri, Oct 22, 2021 at 4:20 AM Milan P. Stanić <mps@xxxxxxxxxxx> wrote: > > > On my chromebook samsung peach pi (exynos-5800) wifi driver stops to > > > work at random time, sometimes after few hours and sometimes after day > > > or two. > > > > I don't have official recommendations, nor HW to test at the moment, > > but for the record, Peach Pi should have Marvell SD 8797. You can see > > what firmware Chrome OS used to ship for those devices here: > > > > https://chromium.googlesource.com/chromiumos/third_party/marvell/+/HEAD/sd8797_uapsta.bin > > https://chromium.googlesource.com/chromiumos/third_party/marvell/+log/HEAD/sd8797_uapsta.bin > > On these urls I can't find actual file to download, or I'm blind (or > don't understand how this site 'works'). > Whatever I click I get new url and not binary file to download. Ack, I forgot Gitiles is not super friendly for downloading binaries directly: https://github.com/google/gitiles/issues/106 > Could you give url for binary file that I could download, please? This should do it: curl https://chromium.googlesource.com/chromiumos/third_party/marvell/+/HEAD/sd8797_uapsta.bin?format=TEXT | base64 -d > sd8797_uapsta.bin Or some similar invocation if you have to use the browser (click on the "txt" link, then base64-decode the result). > > > kernel is mainline 5.14.4 without patches, but I recall that I noticed > > > this crashes on older ones but can't remember exact version. > > > > Did it ever work well? I'm curious if this was a kernel regression, or > > perhaps just a long-standing firmware issue. > > Yes, it worked for few years but started to crash about few months ago > and that happened when I upgraded complete root filesystem, so it could > be related to upgraded firmware. Thank you for hint what to try to test. Could be. It does look like mainline linux-firmware got an update for this file in 2019, so it's possible your distro (or whatever provides your rootfs) only semi-recently got the update. Brian
