Date: Sun, 13 Nov 2011 19:22:07 +0100 From: Willem Jan Withagen <wjw@digiware.nl> To: Joshua Boyd <boydjd@jbip.net> Cc: "stable@freebsd.org" <stable@freebsd.org>, "Vogel, Jack" <jack.vogel@intel.com>, Jeremy Chadwick <freebsd@jdc.parodius.com> Subject: Re: em0 watchdog timeout Message-ID: <4EC00ACF.4050803@digiware.nl> In-Reply-To: <CAHcKe7kx1S=cR6S-14WGJXoL0S%2BRtTwuvmC6HYrgZ33FzxqtCg@mail.gmail.com> References: <4EBB97DF.3020803@digiware.nl> <20111110095041.GA73812@icarus.home.lan> <4EBBBACE.3020900@digiware.nl> <CAHcKe7kx1S=cR6S-14WGJXoL0S%2BRtTwuvmC6HYrgZ33FzxqtCg@mail.gmail.com>
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On 2011-11-10 23:25, Joshua Boyd wrote: > On Thu, Nov 10, 2011 at 6:51 AM, Willem Jan Withagen <wjw@digiware.nl > <mailto:wjw@digiware.nl>> wrote: > > em0@pci0:0:25:0: class=0x020000 card=0x10bd15d9 > chip=0x10bd8086 rev=0x02 hdr=0x00 > vendor = 'Intel Corporation' > device = 'Intel 82566DM Gigabit Ethernet Adapter (82566DM)' > class = network > subclass = ethernet > bar [10] = type Memory, range 32, base 0xdf900000, size > 131072, enabled > bar [14] = type Memory, range 32, base 0xdf924000, size 4096, > enabled > bar [18] = type I/O Port, range 32, base 0x1820, size 32, enabled > cap 01[c8] = powerspec 2 supports D0 D3 current D0 > cap 05[d0] = MSI supports 1 message, 64 bit enabled with 1 message > cap 13[e0] = PCI Advanced Features: FLR TP > > > And note that this problem only raises it nasty head very few weeks... > > > I have had the same problem, as shown here: > > http://lists.freebsd.org/pipermail/freebsd-stable/2011-June/063092.html > > According to your pciconf output, your card either doesn't support > MSI-X, or you have MSI-X disabled. > > Check the hw.pci.enable_msix sysctl and make sure that it is set to 1. > Also check to make sure there aren't any BIOS settings blocking MSI-X. > > Apparently the older Intel gigabit cards don't support MSI-X, and as > such get starved. Upgraded to a new bios, but that does not help either. Now the trick question will be: IF I get a new servertype PCI-E ethernet card, would that get me an MSI-X ethernet device. --WjW
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