Date: Fri, 13 Jul 2007 09:29:55 -0500 From: "Li-Lun \"Leland\" Wang" <llwang@infor.org> To: "John Baldwin" <jhb@freebsd.org> Cc: pyunyh@gmail.com, freebsd-current@freebsd.org Subject: Re: msk watchdog timeout Message-ID: <b680ed60707130729g4226565as10968339034814@mail.gmail.com> In-Reply-To: <200707130836.58062.jhb@freebsd.org> References: <20070520174124.GA14987@Athena.infor.org> <20070521040808.GD36838@cdnetworks.co.kr> <b680ed60705202145n5fb29021x3ef68a93ac61fe1@mail.gmail.com> <200707130836.58062.jhb@freebsd.org>
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On 7/13/07, John Baldwin <jhb@freebsd.org> wrote:
> On Monday 21 May 2007 12:45:39 am Li-Lun "Leland" Wang wrote:
> > On 5/20/07, Pyun YongHyeon <pyunyh@gmail.com> wrote:
> > > On Sun, May 20, 2007 at 09:39:54PM -0500, Li-Lun Leland Wang wrote:
> > > > On 5/20/07, Pyun YongHyeon <pyunyh@gmail.com> wrote:
> > > > >On Mon, May 21, 2007 at 01:41:24AM +0800, Li-Lun Wang (Leland Wang)
> wrote:
> > > > > > I just installed 7.0-current as of May 3 on my new computer that
> comes
> > > > > > with an on-board Marvell Yukon Gigabit Ethernet. Every now and
> then
> > > > > > if the network throughput comes near several hundred kbytes, I get
> the
> > > > > > msk0 watchdog timeout messages:
> > > > > >
> > > > > > kernel: msk0: watchdog timeout
> > > > > > msk0: watchdog timeout (missed Tx interrupts) -- recovering
> > > > > >
> > > > > > Although it says recovering, the interface never comes back alive.
> > > > >
> > > > >The above message indicates the driver sent all pending transmission
> > > > >requests but the driver didn't receive corresponding Tx completion
> > > > >interrupts. Not recovering from the watchdog timeout means there are
> > > > >another issues on the driver. However as disabling MSI fixed the
> > > > >issue, I guess it's not fault of msk(4) and it comes from bad/broken
> > > > >MSI implementation of your system. I guess it's time to add your
> > > > >chipset to a PCI quirk table in order to blacklist it.
> > > >
> > > > I do reckon that MSI doesn't work on earlier Intel chipsets. Mine is
> > > > P965 (on a gigabyte GA-965P-DS3 rev 1.3), which I suppose is recent
> > > > enough to support MSI, isn't it? Or could there be other problems
> > >
> > > Using latest chipsets does not necessarily guarantee working MSI.
> >
> > I see. I think we should maybe add P965 to the PCI quirk list for
> > broken MSI, then?
>
> Possibly.
>
> > > > possible?
> > > >
> > >
> > > Yes. But I couldn't find possible issue on msk(4) yet.
> >
> > Maybe I was not clear enough. Could there be something else that
> > causes MSI to not working correctly other than the chipset? I was
> > just wondering why I didn't see too many broken MSI reports if most
> > Intel chipsets are broken.
>
> If it's not the driver it would be the chipset. We already don't use MSI on
> systems that don't support either PCI-X or PCI-express, so that implicitly
> blacklists most older Intel chipsets. Do you have any other devices in your
> system that support MSI? pciconf -lc output would be useful to look at.
Here is the output of pciconf -lc:
hostb0@pci0:0:0: class=0x060000 card=0x50001458 chip=0x29a08086
rev=0x02 hdr=0x00
cap 09[e0] = vendor (length 9) Intel cap 0 version 1
pcib1@pci0:1:0: class=0x060400 card=0x50001458 chip=0x29a18086 rev=0x02 hdr=0x01
cap 0d[88] = PCI Bridge card=0x50001458
cap 01[80] = powerspec 3 supports D0 D3 current D0
cap 05[90] = MSI supports 1 message
cap 10[a0] = PCI-Express 1 root port
none0@pci0:3:0: class=0x078000 card=0x29a41458 chip=0x29a48086 rev=0x02 hdr=0x00
cap 01[50] = powerspec 3 supports D0 D3 current D0
cap 05[8c] = MSI supports 1 message, 64 bit
uhci0@pci0:26:0: class=0x0c0300 card=0x50041458 chip=0x28348086
rev=0x02 hdr=0x00
uhci1@pci0:26:1: class=0x0c0300 card=0x50041458 chip=0x28358086
rev=0x02 hdr=0x00
ehci0@pci0:26:7: class=0x0c0320 card=0x50061458 chip=0x283a8086
rev=0x02 hdr=0x00
cap 01[50] = powerspec 2 supports D0 D3 current D0
pcm0@pci0:27:0: class=0x040300 card=0xa0021458 chip=0x284b8086 rev=0x02 hdr=0x00
cap 01[50] = powerspec 2 supports D0 D3 current D0
cap 05[60] = MSI supports 1 message, 64 bit
cap 10[70] = PCI-Express 1 type 0
pcib2@pci0:28:0: class=0x060400 card=0x50011458 chip=0x283f8086
rev=0x02 hdr=0x01
cap 10[40] = PCI-Express 1 root port
cap 05[80] = MSI supports 1 message
cap 0d[90] = PCI Bridge card=0x50011458
cap 01[a0] = powerspec 2 supports D0 D3 current D0
pcib3@pci0:28:3: class=0x060400 card=0x50011458 chip=0x28458086
rev=0x02 hdr=0x01
cap 10[40] = PCI-Express 1 root port
cap 05[80] = MSI supports 1 message
cap 0d[90] = PCI Bridge card=0x50011458
cap 01[a0] = powerspec 2 supports D0 D3 current D0
pcib4@pci0:28:4: class=0x060400 card=0x50011458 chip=0x28478086
rev=0x02 hdr=0x01
cap 10[40] = PCI-Express 1 root port
cap 05[80] = MSI supports 1 message
cap 0d[90] = PCI Bridge card=0x50011458
cap 01[a0] = powerspec 2 supports D0 D3 current D0
uhci2@pci0:29:0: class=0x0c0300 card=0x50041458 chip=0x28308086
rev=0x02 hdr=0x00
uhci3@pci0:29:1: class=0x0c0300 card=0x50041458 chip=0x28318086
rev=0x02 hdr=0x00
uhci4@pci0:29:2: class=0x0c0300 card=0x50041458 chip=0x28328086
rev=0x02 hdr=0x00
ehci1@pci0:29:7: class=0x0c0320 card=0x50061458 chip=0x28368086
rev=0x02 hdr=0x00
cap 01[50] = powerspec 2 supports D0 D3 current D0
pcib5@pci0:30:0: class=0x060401 card=0x50001458 chip=0x244e8086
rev=0xf2 hdr=0x01
cap 0d[50] = PCI Bridge card=0x50001458
isab0@pci0:31:0: class=0x060100 card=0x50011458 chip=0x28108086
rev=0x02 hdr=0x00
cap 09[e0] = vendor (length 12) Intel cap 1 version 0
features: SATA RAID-5, 4 PCI-e x1 slots, SATA RAID-0/1/10
atapci1@pci0:31:2: class=0x010601 card=0xb0051458 chip=0x28248086
rev=0x02 hdr=0x00
cap 05[80] = MSI supports 16 messages
cap 01[70] = powerspec 3 supports D0 D3 current D0
cap 12[a8] = unknown
ichsmb0@pci0:31:3: class=0x0c0500 card=0x50011458 chip=0x283e8086
rev=0x02 hdr=0x00
vgapci0@pci1:0:0: class=0x030000 card=0x34451458 chip=0x042110de
rev=0xa1 hdr=0x00
cap 01[60] = powerspec 2 supports D0 D3 current D0
cap 05[68] = MSI supports 1 message, 64 bit
cap 10[78] = PCI-Express 1 endpoint
atapci0@pci3:0:0: class=0x010185 card=0xb0001458 chip=0x2363197b
rev=0x02 hdr=0x00
cap 01[68] = powerspec 2 supports D0 D3 current D0
cap 10[50] = PCI-Express 1 legacy endpoint IRQ 0
mskc0@pci4:0:0: class=0x020000 card=0xe0001458 chip=0x436211ab rev=0x22 hdr=0x00
cap 01[48] = powerspec 2 supports D0 D1 D2 D3 current D0
cap 03[50] = VPD
cap 05[5c] = MSI supports 2 messages, 64 bit
cap 10[e0] = PCI-Express 1 legacy endpoint
Thanks.
-- llwang
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