From: Yinghai Lu <yinghai@kernel.org>
To: Kallol Biswas <kallol@nucleodyne.com>
Cc: "linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>
Subject: Re: No bus number available for hot-added bridge
Date: Fri, 22 Jul 2016 14:17:39 -0700 [thread overview]
Message-ID: <CAE9FiQXQNZPiWzL=hMsnQjkR7HSfbOxptFeLXWoEj30ucLSBMA@mail.gmail.com> (raw)
In-Reply-To: <CAH=XD5-6QXxA42ukxJ40sOzGXqScS7u3QZAwCaCYT2r3pJxdCA@mail.gmail.com>
On Fri, Jul 15, 2016 at 1:33 PM, Kallol Biswas <kallol@nucleodyne.com> wrote:
> Hi,
> I have been trying to hot-add a PCIe bridge and getting the
> following message in dmesg:
>
> No bus number available for hot-added bridge 0000:06:00.
>
> The kernel is 4.4. Do we have any patch for this? I tried Yinghai's
> for-pci-busn-alloc patch. Did not work. Not sure I picked up the right
> changes.
>
> Any input...
>
> [ 794.085909] pci 0000:06:00.0: [10b5:9797] type 01 class 0x060400
> [ 794.086232] pci 0000:06:00.0: Max Payload Size set to 256 (was 128, max 512)
> [ 794.086563] pci 0000:06:00.0: PME# supported from D0 D3hot D3cold
> [ 794.086884] iommu: Adding device 0000:06:00.0 to group 47
> [ 794.093797] No bus number available for hot-added bridge 0000:06:00.0
Can you please send out the whole boot log with
CONFIG_PCI_DEBUG=y ?
also output for lspci -tv and lspci -vvxxx.
Thanks
Yinghai
next prev parent reply other threads:[~2016-07-22 21:17 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-15 20:33 No bus number available for hot-added bridge Kallol Biswas
2016-07-15 21:51 ` Bjorn Helgaas
2016-07-22 21:17 ` Yinghai Lu [this message]
2016-07-22 22:01 ` Kallol Biswas
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