Date: Wed, 8 Sep 2010 09:41:51 -0700 From: Jack Vogel <jfvogel@gmail.com> To: Gareth de Vaux <bsd@lordcow.org> Cc: stable@freebsd.org Subject: Re: MSIX failure Message-ID: <AANLkTikvd09fw3fUhxsXDhMoWE-kvMoPjXPSTfzYY73T@mail.gmail.com> In-Reply-To: <20100908094050.GA73841@lordcow.org> References: <20100906155350.GA50151@lordcow.org> <AANLkTinOxtfJ_BhJape3LDowynx1eOpOW7zCPTime%2BYi@mail.gmail.com> <AANLkTik1WUDxOR2g6TMDx1NrrniJr_qULMJxzVVe90Ur@mail.gmail.com> <AANLkTikdGGgpGhy4MJF_K-ttLvjQOBj%2BAb5r-a2uhJ_Y@mail.gmail.com> <20100908094050.GA73841@lordcow.org>
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This is what'd I'd expect, the onboard is PCH chipset, support was not in 8.0, but as I said, in 8.1 (and hence stable/8) it is supported, and it should work. I do not know why you don't have MSI support, but it should still work with Legacy interrupts. Jack On Wed, Sep 8, 2010 at 2:40 AM, Gareth de Vaux <bsd@lordcow.org> wrote: > On Tue 2010-09-07 (13:25), Jack Vogel wrote: > > I've looked at the code, this message was misleading, what really happens > > is that the driver fails to be able to setup either MSIX OR MSI, when > this > > happens it will fall back and use a Legacy interrupt, so its non-fatal > and > > the device should work anyway. > > > > The only real reason you should see this is a) you used sysctl and turned > > msi and msix off, or b) a real hardware problem in the chipset has caused > > the failure. All devices em drives (as opposed to lem) are PCI Express > and > > so by definition they have MSI and MSIX available. > > Ok I think I got my cards mixed up - in my original mail em1 is the PCI > card and em0 is the onboard, sorry. I guessed the numbering may not have > been as expected while trying to fix the issue, but I might not have fully > tested this at the time. > > So here's the situation after looking through older kernel logs: > > I installed 8.0-RELEASE, the onboard card didn't work - the kernel didn't > even pick it up, and ifconfig only showed the lo0 device. > > I added the PCI Intel(R) PRO/1000 GT card (Gigabit Ethernet Controller > (Copper) rev 5 (82541PI)) - this worked and came up as em0. > > Last week I moved to -STABLE, GENERIC kernel. The kernel now detects both > cards, with the kernel messages in my original mail. Whether either works > I'm not completely sure, I'll need to get to the machine physically and > switch cables/cards/configurations first. > > I didn't turn off msi/msix with sysctl (except when debugging in my > original > mail). > _______________________________________________ > freebsd-stable@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-stable > To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org" >
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