Re: [PATCH] nve(4) locking cleanup

From: John Baldwin (jhb_at_freebsd.org)
Date: 11/17/05

  • Next message: John Baldwin: "Re: [PATCH] nve(4) locking cleanup" 
    To: Mike Tancsa <mike@sentex.net>
Date: Thu, 17 Nov 2005 12:56:01 -0500

    On Thursday 17 November 2005 12:08 pm, Mike Tancsa wrote:
    > At 11:35 AM 17/11/2005, John Baldwin wrote:
    > >Hmm, there are a couple of changes such as calling pfnInit() in attach()
    > > and calling pfnClearTXDesc() in nve_stop() that might be interesting.
    > > I've stuck those in my work tree and have made a seperate patch relative
    > > to HEAD if folks want to try them out:
    > >
    > >http://www.FreeBSD.org/~jhb/patches/nve_dffixes.patch
    >
    > On a RELENG_6 kernel with the drivers from HEAD with the above patch
    > applied, driver loaded as kld,
    >
    > the box does not seem to crash, but the nic does wedge
    >
    > nve0: link state changed to DOWN
    > nve0: link state changed to UP
    > nve0: link state changed to DOWN
    > nve0: link state changed to UP
    > nve0: device timeout (64)
    > nve0: link state changed to DOWN
    > nve0: link state changed to UP
    > nve0: link state changed to DOWN
    > nve0: link state changed to UP
    >
    > while generating a lot of 2 way traffic.
    >
    > This is a Tyan 939 board.
    >
    > Trying to mount root from ufs:/dev/da0s1a
    > nve0: <NVIDIA nForce MCP9 Networking Adapter> port 0xe400-0xe407 mem
    > 0xfebfc000-0xfebfcfff irq 23 at device 10.0 on pci0
    > nve0: Ethernet address 00:e0:81:58:91:fa
    > miibus2: <MII bus> on nve0
    > ukphy0: <Generic IEEE 802.3u media interface> on miibus2
    > ukphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseT,
    > 1000baseT-FDX, auto
    > nve0: Ethernet address: 00:e0:81:58:91:fa
    > nve0: [GIANT-LOCKED]

    Did it work before? Is the new behavior better or worse than the unpatched
    driver? 

    -- 
John Baldwin <jhb@FreeBSD.org>  <><  http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve"  =  http://www.FreeBSD.org
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  • Next message: John Baldwin: "Re: [PATCH] nve(4) locking cleanup"

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