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From:   Geert Uytterhoeven <geert@linux-m68k.org>
Date:   Wed, 25 Oct 2023 14:35:04 +0200
Message-ID: <CAMuHMdWZvTGrFgx_o3g3usOwkDvD2rw5QH9_ibo=OKdw17sAzg@mail.gmail.com>
Subject: Re: renesas_sdhi problems in 5.10-stable was Re: [PATCH 5.10 000/226]
 5.10.198-rc1 review
To:     Pavel Machek <pavel@denx.de>
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Wolfram Sang <wsa+renesas@sang-engineering.com>,
        niklas.soderlund+renesas@ragnatech.se,
        yoshihiro.shimoda.uh@renesas.com, geert+renesas@glider.be,
        biju.das.jz@bp.renesas.com, Chris.Paterson2@renesas.com,
        stable@vger.kernel.org, patches@lists.linux.dev,
        linux-kernel@vger.kernel.org, torvalds@linux-foundation.org,
        akpm@linux-foundation.org, linux@roeck-us.net, shuah@kernel.org,
        patches@kernelci.org, lkft-triage@lists.linaro.org,
        jonathanh@nvidia.com, f.fainelli@gmail.com,
        sudipm.mukherjee@gmail.com, srw@sladewatkins.net, rwarsow@gmx.de,
        conor@kernel.org
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Hi Pavel,

On Wed, Oct 25, 2023 at 12:53 PM Geert Uytterhoeven
<geert@linux-m68k.org> wrote:
> On Wed, Oct 25, 2023 at 12:47 PM Geert Uytterhoeven
> <geert@linux-m68k.org> wrote:
> > On Tue, Oct 24, 2023 at 9:22 PM Pavel Machek <pavel@denx.de> wrote:
> > > But we still have failures on Renesas with 5.10.199-rc2:
> > >
> > > https://gitlab.com/cip-project/cip-testing/linux-stable-rc-ci/-/pipelines/1047368849
> > >
> > > And they still happed during MMC init:
> > >
> > >     2.638013] renesas_sdhi_internal_dmac ee100000.mmc: Got CD GPIO
> > > [    2.638846] INFO: trying to register non-static key.
> > > [    2.644192] ledtrig-cpu: registered to indicate activity on CPUs
> > > [    2.649066] The code is fine but needs lockdep annotation, or maybe
> > > [    2.649069] you didn't initialize this object before use?
> > > [    2.649071] turning off the locking correctness validator.
> > > [    2.649080] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.199-rc2-arm64-renesas-ge31b6513c43d #1
> > > [    2.649082] Hardware name: HopeRun HiHope RZ/G2M with sub board (DT)
> > > [    2.649086] Call trace:
> > > [    2.655106] SMCCC: SOC_ID: ARCH_SOC_ID not implemented, skipping ....
> > > [    2.661354]  dump_backtrace+0x0/0x194
> > > [    2.661361]  show_stack+0x14/0x20
> > > [    2.667430] usbcore: registered new interface driver usbhid
> > > [    2.672230]  dump_stack+0xe8/0x130
> > > [    2.672238]  register_lock_class+0x480/0x514
> > > [    2.672244]  __lock_acquire+0x74/0x20ec
> > > [    2.681113] usbhid: USB HID core driver
> > > [    2.687450]  lock_acquire+0x218/0x350
> > > [    2.687456]  _raw_spin_lock+0x58/0x80
> > > [    2.687464]  tmio_mmc_irq+0x410/0x9ac
> > > [    2.688556] renesas_sdhi_internal_dmac ee160000.mmc: mmc0 base at 0x00000000ee160000, max clock rate 200 MHz
> > > [    2.744936]  __handle_irq_event_percpu+0xbc/0x340
> > > [    2.749635]  handle_irq_event+0x60/0x100
> > > [    2.753553]  handle_fasteoi_irq+0xa0/0x1ec
> > > [    2.757644]  __handle_domain_irq+0x7c/0xdc
> > > [    2.761736]  efi_header_end+0x4c/0xd0
> > > [    2.765393]  el1_irq+0xcc/0x180
> > > [    2.768530]  arch_cpu_idle+0x14/0x2c
> > > [    2.772100]  default_idle_call+0x58/0xe4
> > > [    2.776019]  do_idle+0x244/0x2c0
> > > [    2.779242]  cpu_startup_entry+0x20/0x6c
> > > [    2.783160]  rest_init+0x164/0x28c
> > > [    2.786561]  arch_call_rest_init+0xc/0x14
> > > [    2.790565]  start_kernel+0x4c4/0x4f8
> > > [    2.794233] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000014
> > > [    2.803011] Mem abort info:
> > >
> > > from https://lava.ciplatform.org/scheduler/job/1025535
> > > from
> > > https://gitlab.com/cip-project/cip-testing/linux-stable-rc-ci/-/jobs/5360973735 .
> > >
> > > Is there something else missing?
> >
> > I don't have a HopeRun HiHope RZ/G2M, but both v5.10.198 and v5.10.199
> > seem to work fine on Salvator-XS with R-Car H3 ES2.0 and Salvator-X
> > with R-Car M3-W ES1.0, using a config based on latest renesas_defconfig.
>
> Sorry, I looked at the wrong log on R-Car M3-W.
> I do see the issue with v5.10.198, but not with v5.10.199.

It seems to be an intermittent issue. Investigating...

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds