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From: YunQiang Su <syq@debian.org>
To: Aaro Koskinen <aaro.koskinen@iki.fi>
Cc: steven.hill@cavium.com, david.daney@cavium.com,
	linux-mips <linux-mips@vger.kernel.org>
Subject: Re: [BUG] Data Bus Erorr on Ubiquiti Networks - EdgeRouter™ Infinity
Date: Sat, 5 Jan 2019 08:26:37 +0800	[thread overview]
Message-ID: <CAKcpw6Uf=_f4T1ZBLnp9gWrp1rjwuLfpF0h865-U4BOpuFLiiw@mail.gmail.com> (raw)
In-Reply-To: <20190104194539.GJ27785@darkstar.musicnaut.iki.fi>

Aaro Koskinen <aaro.koskinen@iki.fi> 于2019年1月5日周六 上午3:45写道：
>
> Hi,
>
> On Tue, Jan 01, 2019 at 04:42:03PM +0800, YunQiang Su wrote:
> > I met a kernel problem for both 4.9 and 4.19 kernel
> >
> > This error happens in pci/pcie-octeon.c, in function
> >    __cvmx_pcie_rc_initialize_gen2
> >
> > ciu_soft_prst.u64 = cvmx_read_csr(CVMX_CIU_SOFT_PRST);
> >
> > When disabble CONFIG_PCI, it won't meet this problem.
>
> Is this CN78XX hardware? Also can you confirm the board does not have
> any PCI Express (check U-Boot and vendor kernel logs)?
>

it is 7360, and its u-boot disables PCI host.

> On EdgeRouter 4 (CN70XX) kernel misdetects PCIe ports, and there are
> error logs and delays during this, but the board still boots up.
>
> Probably nobody has any OCTEON III board with working PCIe running
> mainline kernel, so we should just make the setup fail early.
>
Sure, we should make it fail early.

> A.

      reply	other threads:[~2019-01-05  0:26 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-01-01  8:42 [BUG] Data Bus Erorr on Ubiquiti Networks - EdgeRouter™ Infinity YunQiang Su
2019-01-04 19:45 ` Aaro Koskinen
2019-01-05  0:26   ` YunQiang Su [this message]

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