Comment 33 for bug 1784665

https://www.spinics.net/lists/linux-bcache/msg04869.html

https://www.spinics.net/lists/linux-bcache/msg05774.html
On Tue, Aug 28, 2018 at 2:30 PM Ryan Harper <email address hidden> wrote:
>
> It's always been a locking issue, so either misuse (or missing) locks
> in the bcache attach/detach path, or generic locking changes to block
> layer path I'd think.
>
> I'll see if I can find any hits on those oops tracebacks too
>
> On Tue, Aug 28, 2018 at 2:29 PM Ryan Harper <email address hidden> wrote:
> >
> > https://patchwork.kernel.org/patch/10094201/
> >
> > diff --git a/arch/arm64/boot/dts/rockchip/rk3328-rock64.dts
> > b/arch/arm64/boot/dts/rockchip/rk3328-rock64.dts
> > index d4f80786e7c2..3890468678ce 100644
> > --- a/arch/arm64/boot/dts/rockchip/rk3328-rock64.dts
> > +++ b/arch/arm64/boot/dts/rockchip/rk3328-rock64.dts
> > @@ -132,6 +132,8 @@
> > assigned-clocks = <&cru SCLK_MAC2IO>, <&cru SCLK_MAC2IO_EXT>;
> > assigned-clock-parents = <&gmac_clkin>, <&gmac_clkin>;
> > clock_in_out = "input";
> > + /* shows instability at 1GBit right now */
> > + max-speed = <100>;
> > phy-supply = <&vcc_io>;
> > phy-mode = "rgmii";
> > pinctrl-names = "default";
> >
> >
> > That can't be it, which means maybe some of the PASSED didn't pass; I
> > just didn't wait long enough?
> > On Tue, Aug 28, 2018 at 2:11 PM Joseph Salisbury
> > <email address hidden> wrote:
> > >
> > > The bisect reported the following commit as the first bad commit:
> > >
> > > bc631943faba ("arm64: dts: rockchip: limit rk3328-rock64 gmac speed to
> > > 100MBit for now")
> > >
> > > It's strange that this is an arm64 commit. I'll investigate a bit and
> > > see why the bisect came back with this result.
> > >
> > > --
> > > You received this bug notification because you are subscribed to the bug
> > > report.
> > > https://bugs.launchpad.net/bugs/1784665
> > >
> > > Title:
> > > mkfs.ext4 over /dev/bcache0 hangs
> > >
> > > To manage notifications about this bug go to:
> > > https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1784665/+subscriptions