Re: OF: ERROR: Bad of_node_put() on /ocp/interconnect@4a000000/segment@0/target-module@8000/cm_core@0/l4per-cm@1700/l4per-clkctrl@28

[Tero Kristo]

On 24/04/2020 18:38, Tony Lindgren wrote:
> * Tero Kristo <t-kristo@xxxxxx> [200424 12:41]:
> > On 17/04/2020 18:29, Tony Lindgren wrote:
> > > * Naresh Kamboju <naresh.kamboju@xxxxxxxxxx> [200327 16:44]:
> > > > The reported problem still happening on arm beagle board x15 device
> > > > running Linux next kernel 20200327.
> > > ...
> > >
> > > > [    0.000000] OF: ERROR: Bad of_node_put() on
> > > > /ocp/interconnect@4a000000/segment@0/target-module@8000/cm_core@0/l4per-cm@1700/l4per-clkctrl@28
> > > > [    0.000000] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G        W
> > > >     5.6.0-rc7-next-20200327 #1
> > > > [    0.000000] Hardware name: Generic DRA74X (Flattened Device Tree)
> > > > [    0.000000] [<c0311810>] (unwind_backtrace) from [<c030ba14>]
> > > > (show_stack+0x10/0x14)
> > > > [    0.000000] [<c030ba14>] (show_stack) from [<c0fb6604>]
> > > > (dump_stack+0xbc/0xd0)
> > > > [    0.000000] [<c0fb6604>] (dump_stack) from [<c0fbb07c>]
> > > > (kobject_put+0xc0/0x104)
> > > > [    0.000000] [<c0fbb07c>] (kobject_put) from [<c1639e4c>]
> > > > (of_clk_init+0x18c/0x228)
> > > > [    0.000000] [<c1639e4c>] (of_clk_init) from [<c1611544>]
> > > > (omap_clk_init+0x3c/0x58)
> > > > [    0.000000] [<c1611544>] (omap_clk_init) from [<c1611ea8>]
> > > > (omap4_sync32k_timer_init+0x8/0x2c)
> > > > [    0.000000] [<c1611ea8>] (omap4_sync32k_timer_init) from
> > > > [<c161213c>] (omap5_realtime_timer_init+0x8/0x234)
> > > > [    0.000000] [<c161213c>] (omap5_realtime_timer_init) from
> > > > [<c1600c88>] (start_kernel+0x330/0x4b8)
> > >
> > > Just FYI, Tero is looking at the clock issues that seem to be
> > > causing these warnings.
> >
> > Haven't seen this before, but easily reproducible with multi_v7_defconfig. I
> > have a simple fix for it now, will post to lists soon.
>
> OK thanks for tracking it down.

No problem, sorry about the latency in my response though. I guess I got 
too many things on my plate. :)

-Tero

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