[prev in list] [next in list] [prev in thread] [next in thread]
List: freebsd-hackers
Subject: Re: pci function level reset
From: Konstantin Belousov <kostikbel () gmail ! com>
Date: 2020-11-18 10:22:58
Message-ID: X7T2Asn79eKyHXSP () kib ! kiev ! ua
[Download RAW message or body]
On Wed, Nov 18, 2020 at 10:27:19AM +0100, Norbert Koch wrote:
> Hello.
>
> I am running 12.1 on an embedded board which is equipped with an
> intel gbit ethernet controller (Intel PRO/1000, em driver).
>
> Either the ethernet controller or the bios has a bug, which
> the board manufacturer confirmed.
>
> After soft reboot gbit ethernet sometimes stops working
> while 100/10mbit are ok.
> Only after power down gbit works again (mostly).
>
> As they only support windows and linux, their "fix" is writing
> a '1' to /sys/bus/pci/devices/$dev/reset.
> They say this is a "function level reset", whatever this means.
>
> Is there any way (e.g. using pciconf) to do this under FreeBSD?
devctl reset pci<d>:<b>:<s>:<f>
where d:b:s:f is the pci address of your device.
If device supports FLR, it should do exactly that.
_______________________________________________
freebsd-hackers@freebsd.org mailing list
https://lists.freebsd.org/mailman/listinfo/freebsd-hackers
To unsubscribe, send any mail to "freebsd-hackers-unsubscribe@freebsd.org"
[prev in list] [next in list] [prev in thread] [next in thread]
Configure |
About |
News |
Add a list |
Sponsored by KoreLogic