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From: Bjorn Helgaas <bjorn.helgaas@gmail.com>
To: Carlo Pisani <carlojpisani@gmail.com>
Cc: Bjorn Helgaas <bjorn@helgaas.com>,
	Bjorn Helgaas <helgaas@kernel.org>,
	linux-pci@vger.kernel.org
Subject: Re: Oxford Semiconductor Ltd OX16PCI954 - weird dmesg
Date: Mon, 28 Oct 2019 14:43:59 -0500	[thread overview]
Message-ID: <CABhMZUWdeOQ_M0x8UwzmjGRj8Mrwfc49CqEdL_Tuejmrso8CAg@mail.gmail.com> (raw)
In-Reply-To: <CA+QBN9Aj2he3RQMGaz21HD24gPk0R=bSX0cqVLj5PU4jK5Qrcg@mail.gmail.com>

On Mon, Oct 28, 2019 at 2:06 PM Carlo Pisani <carlojpisani@gmail.com> wrote:
>
> > What's your .config file?  The knowledge about the host bridge windows
> > must be compiled in somewhere.
>
> here it is
>
> http://www.downthebunker.com/chunk_of/stuff/public/projects/sonoko-x11/router-board/kernel/k4.4.197-rb532.config
>
> too long to be attached to this email
>
> > The UARTs do not have DMA enabled (BusMaster-) in the lspci output, so
> > they shouldn't be able to corrupt memory.  The NICs *do* have DMA
> > enabled.  Does the problem still happen if you turn off the NIC
> > drivers (via-rhine and ath9k, it looks like)?
>
> I will recompile the kernel and re-test the router. It's a 48 hours burn-in test

It looks like you're using a v4.4-based kernel, which is 3 1/2 years
old.  In general people are not very interested in debugging kernels
that old.  It's better if you can reproduce the problem on a current
kernel, then backport the fix if you need it in an older kernel.

Bjorn

  reply	other threads:[~2019-10-28 19:44 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CA+QBN9C_o8HanAzXpDUN410g2o5+xfx64pbX3_VHVDKcj5N3kA@mail.gmail.com>
2019-10-28 17:13 ` Oxford Semiconductor Ltd OX16PCI954 - weird dmesg Bjorn Helgaas
2019-10-28 16:37   ` Carlo Pisani
2019-10-28 18:48     ` Bjorn Helgaas
2019-10-28 18:06       ` Carlo Pisani
2019-10-28 19:43         ` Bjorn Helgaas [this message]
2019-10-28 18:49           ` Carlo Pisani
2019-11-04 14:59             ` Bjorn Helgaas
2019-10-28 16:46   ` Carlo Pisani
     [not found] <CA+QBN9D4bckEZmNhLJPBmr92St1W2GGyazLGR9kANFk2cfV8Pg@mail.gmail.com>
2019-11-04 16:30 ` Bjorn Helgaas
     [not found] <CA+QBN9B4qfxpEa69TB=+MngG9bN0puwByAeGCMxk_Y7fgaKhpQ@mail.gmail.com>
2019-11-04 16:07 ` Bjorn Helgaas
     [not found] <CA+QBN9AzXHifP4=F1O1jjbGP0yNxBZeTPgPJvpcKFb9Z4f30KA@mail.gmail.com>
2019-11-04 15:58 ` Bjorn Helgaas
2019-10-24 17:11 [PATCH v6 00/30] PCI: Allow BAR movement during hotplug Sergey Miroshnichenko
2019-10-24 17:11 ` [PATCH v6 01/30] PCI: Fix race condition in pci_enable/disable_device() Sergey Miroshnichenko
2019-10-25 14:33   ` Oxford Semiconductor Ltd OX16PCI954 - weird dmesg Carlo Pisani
2019-10-25 16:37     ` Bjorn Helgaas

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