Date: Tue, 18 Sep 2012 11:27:16 +0200 From: =?UTF-8?Q?G=C3=B6ran_L=C3=B6wkrantz?= <goran.lowkrantz@ismobile.com> To: Jamie Paul Griffin <jamie@kode5.net> Cc: freebsd-questions@freebsd.org Subject: Re: exclude device from bus probe? Message-ID: <5743624DC37EDC50BA1A91AE@Gorans-MacBook-Pro.local> In-Reply-To: <20120918090420.GD5486@kontrol.kode5.net> References: <84002D87687695781C9FBC88@Gorans-MacBook-Pro.local> <20120918090420.GD5486@kontrol.kode5.net>
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No, that won't work. This is the NIC we have traffic over:
em1@pci0:3:0:0: class=0x020000 card=0x10d315d9 chip=0x10d38086 rev=0x00
hdr=0x00
vendor = 'Intel Corporation'
device = '82574L Gigabit Network Connection'
class = network
subclass = ethernet
So to be exact, I need em0 to not be probed while em1 is probed and
attached.
/glz
--On September 18, 2012 10:04:21 +0100 Jamie Paul Griffin <jamie@kode5.net>
wrote:
>
>> We have a system based on Supermicro X7SPA-HF with IPMI connected via a
>> shared 82574L NIC. We are not using this NIC for anything from the OS
>> but the probing and device attach breaks the IPMI connection so bad
>> FBSD don't see any screen during boot. There is no BIOS flag that
>> disables the NIC from the OS, only a HW strap but that dsables the IPMI
>> also.
>>
>> Is it possible to disable the probe of the NIC using hists to the PCI
>> bus driver? I have addded hint.em.0.disable=1 but it does not help.
>>
>> em0@pci0:2:0:0: class=0x020000 card=0x10d315d9 chip=0x10d38086 rev=0x00
>> hdr=0x00
>> vendor = 'Intel Corporation'
>> device = '82574L Gigabit Network Connection'
>> class = network
>> subclass = ethernet
>>
>> Any other suggestions appreciated.
>
> You could remove it from the Kernel config file and build a custom Kernel.
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