Date: Sat, 20 Oct 2007 17:09:39 +1300 From: Philip Murray <pmurray@nevada.net.nz> To: Jeremy Chadwick <koitsu@FreeBSD.org> Cc: freebsd-stable@freebsd.org Subject: Re: em 6.6.6 - watchdog timeout Message-ID: <CF4DAE68-30B2-4865-B2F5-C2196DA61F49@nevada.net.nz> In-Reply-To: <20071020040347.GA71660@eos.sc1.parodius.com> References: <DF00B541F0F46F5A6BE2414E@viglaf> <5CCABF9E-80DD-4E46-80AA-6E3E1F156645@nevada.net.nz> <20071020040347.GA71660@eos.sc1.parodius.com>
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On 20/10/2007, at 5:03 PM, Jeremy Chadwick wrote: > On Sat, Oct 20, 2007 at 11:21:10AM +1300, Philip Murray wrote: >> "me too" on a Supermicro 5015MT+, although I notice my em0 is also >> sharing >> an interrupt with USB (uhci3)... not sure if that's the culprit. > > I'm not aware of a 5015MT+ model. Maybe you mean 5015M-MT+ or > 5015M-T+? > > We have two 5015M-T+ boxes, one running RELENG_7 and one running > RELENG_6, and neither exhibit this problem. Here's relevant em(4) > information from both boxes; I do find the vmstat -i IRQ on the 2nd > box a little odd, but operationally it seems fine. > > box1 (RELENG_6) > =============== > em0: <Intel(R) PRO/1000 Network Connection Version - 6.2.9> port > 0x4000-0x401f mem 0xe0200000-0xe021ffff irq 16 at device 0.0 on pci13 > em1: <Intel(R) PRO/1000 Network Connection Version - 6.2.9> port > 0x5000-0x501f mem 0xe0300000-0xe031ffff irq 17 at device 0.0 on pci14 > > irq16: em0 uhci3 117371806 11 > irq17: em1 49605005 4 > > > box2 (RELENG_7) > =============== > em0: <Intel(R) PRO/1000 Network Connection Version - 6.5.3> port > 0x4000-0x401f mem 0xe8000000-0xe801ffff irq 16 at device 0.0 on pci13 > em1: <Intel(R) PRO/1000 Network Connection Version - 6.5.3> port > 0x5000-0x501f mem 0xe8200000-0xe821ffff irq 17 at device 0.0 on pci14 > > irq256: em0 502854 4 > irq257: em1 5438 0 > > > On box2, IRQ 16 is also shared with uhci3 and vgapci0, but vmstat > doesn't seem to show that. > > uhci3: <UHCI (generic) USB controller> port 0x3060-0x307f irq 16 at > device 29.3 on pci0 > vgapci0: <VGA-compatible display> port 0x6000-0x60ff mem > 0xe0000000-0xe7ffffff,0xe8300000-0xe830ffff irq 16 at device 0.0 on > pci15 > Hi Jeremy You don't seem to be running the 6.6.6 driver, which is when the watchdog timeouts started occurring. Had no problems with 6.2.9. Cheers Phil
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