On Mon, 14 May 2018 20:02:05 +0200 Michael Büsch <m@xxxxxxx> wrote: > On Mon, 14 May 2018 19:55:39 +0200 > Michael Büsch <m@xxxxxxx> wrote: > > > On Mon, 14 May 2018 18:49:53 +0100 > > Chris Vine <vine35792468@xxxxxxxxx> wrote: > > > > > I have an old netbook with a Broadcom bcm4312 802.11b/g lp-phy > > > [14e4:4315] (rev 01) wifi device. This works up to and including the > > > 4.16 kernel, but not with 4.17-rc5. > > > > > > The b43, mac80211, cfg80211, ssb and mmc_core modules are loaded OK, as > > > is the firmware, and the wlan0 interface will come up, but any attempt > > > to use the interface fails and it cannot (for example) scan. > > > > > > No useful error messages are given. The interface (wlan0) is just > > > reported as not being ready. > > > > Hi, > > > > thanks for your report. > > > > Can you please provide all kernel log messages anyway? > > And what does "not ready" mean exactly? > > > > It would be extremely helpful if you'd do a git bisect to find the > > commit that broke it. > > > > Ok, I just noticed that mainline still contains the ssb breakage. > > So you are most likely hitting this: > https://patchwork.kernel.org/patch/10393729/ Yes thanks, applying that patch resolves the issue fine. There was a similar problem with disabled PCI support for b43 which found its way into the 4.15.0/4.15.1 kernels: https://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers.git/commit/?id=a9e6d44ddeccd3522670e641f1ed9b068e746ff7 At least this bug should avoid getting into the mainline release. Chris
