From: Thomas Monjalon <thomas.monjalon@6wind.com>
To: Bruce Richardson <bruce.richardson@intel.com>
Cc: dev@dpdk.org
Subject: Re: [dpdk-dev] [PATCH] eal/bsdapp: fix device binding at boot
Date: Tue, 04 Apr 2017 12:27:05 +0200 [thread overview]
Message-ID: <3012960.JsXpb7kNfE@xps13> (raw)
In-Reply-To: <20170324143011.29279-1-bruce.richardson@intel.com>
2017-03-24 14:30, Bruce Richardson:
> When loading nic_uio from /boot/loader.conf as specified in the Getting
> Started Guide doc, the NIC devices were not bound at boot. Unloading the
> nic_uio driver and reloading it would cause them to be bound, however.
>
> The root cause appears to be the fact that when the module is loaded at
> boot, the call to find the pci device when parsing the b:d:f parameter
> fails to return the device. That means that later on when the device
> is probed as part of a PCI scan, no action is taken as it's not recorded
> as a device to be used.
>
> We fix this by having the b:d:f string parsed again on probe if the
> initial check to see if it's an already-known device fails. In my tests,
> this causes the NIC devices to be successfully bound at boot time, as
> well as leaving things working as before in the case the module is loaded
> post-boot.
>
> Fixes: 764bf26873b9 ("add FreeBSD support")
>
> Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
Cc: stable@dpdk.org
Applied, thanks
prev parent reply other threads:[~2017-04-04 10:27 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-24 14:30 Bruce Richardson
2017-04-04 10:27 ` Thomas Monjalon [this message]
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