Date: Tue, 11 Nov 2008 08:25:10 +0100 From: Christer Solskogen <solskogen@carebears.mine.nu> To: freebsd-questions@freebsd.org Subject: Re: High load - lost network Message-ID: <gfbc0n$rqh$1@ger.gmane.org> In-Reply-To: <20081110191004.E98114@wojtek.tensor.gdynia.pl> References: <gf9ado$n70$1@ger.gmane.org> <18712.12773.515079.902143@jerusalem.litteratus.org> <gf9fs0$bir$1@ger.gmane.org> <200811101529.57983.fbsd.questions@rachie.is-a-geek.net> <gf9hdb$hmn$1@ger.gmane.org> <20081110191004.E98114@wojtek.tensor.gdynia.pl>
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Wojciech Puchar wrote:
> i don't think it's interrupt sharing problems.
>
> anyway - turn on MSI interrupts if your hardware can.
>
I dont seem so (unless i interpret the output of pciconf wrong:
[root@caius ~]# pciconf -lc
hostb0@pci0:0:0:0: class=0x060000 card=0x342f8086 chip=0x25788086
rev=0x02 hdr=0x00
cap 09[e4] = vendor (length 6) Intel cap 3 version 1
pcib1@pci0:0:3:0: class=0x060400 card=0x00000000 chip=0x257b8086
rev=0x02 hdr=0x01
pcib2@pci0:0:28:0: class=0x060400 card=0x00000000 chip=0x25ae8086
rev=0x02 hdr=0x01
cap 07[50] = PCI-X 64-bit bridge supports
uhci0@pci0:0:29:0: class=0x0c0300 card=0x342f8086 chip=0x25a98086
rev=0x02 hdr=0x00
uhci1@pci0:0:29:1: class=0x0c0300 card=0x342f8086 chip=0x25aa8086
rev=0x02 hdr=0x00
none0@pci0:0:29:4: class=0x088000 card=0x342f8086 chip=0x25ab8086
rev=0x02 hdr=0x00
ioapic0@pci0:0:29:5: class=0x080020 card=0x342f8086 chip=0x25ac8086
rev=0x02 hdr=0x00
cap 07[50] = PCI-X 64-bit supports 512 burst read, 1 split transaction
ehci0@pci0:0:29:7: class=0x0c0320 card=0x342f8086 chip=0x25ad8086
rev=0x02 hdr=0x00
cap 01[50] = powerspec 2 supports D0 D3 current D0
cap 0a[58] = EHCI Debug Port at offset 0x80 in map 0x14
pcib3@pci0:0:30:0: class=0x060400 card=0x00000000 chip=0x244e8086
rev=0x0a hdr=0x01
isab0@pci0:0:31:0: class=0x060100 card=0x00000000 chip=0x25a18086
rev=0x02 hdr=0x00
atapci0@pci0:0:31:1: class=0x01018a card=0x342f8086 chip=0x25a28086
rev=0x02 hdr=0x00
atapci1@pci0:0:31:2: class=0x01048f card=0x34308086 chip=0x25b08086
rev=0x02 hdr=0x00
none1@pci0:0:31:3: class=0x0c0500 card=0x342f8086 chip=0x25a48086
rev=0x02 hdr=0x00
em0@pci0:1:1:0: class=0x020000 card=0x342f8086 chip=0x10758086 rev=0x00
hdr=0x00
cap 01[dc] = powerspec 2 supports D0 D3 current D0
vgapci0@pci0:3:0:0: class=0x030000 card=0x342f8086 chip=0x47521002
rev=0x27 hdr=0x00
cap 01[5c] = powerspec 2 supports D0 D1 D2 D3 current D0
fxp0@pci0:3:1:0: class=0x020000 card=0x342f8086 chip=0x12298086
rev=0x10 hdr=0x00
cap 01[dc] = powerspec 2 supports D0 D1 D2 D3 current D0
> check if producing high load on atapci1 make problem worse or not.
>
During "dd if=/dev/random of=bigfile bs=500k count=50000" (about 200
seconds) made the network unresponsive again. Same symptom as I got when
running make buildworld.
--
chs
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