Date: Tue, 12 Sep 2006 16:27:38 +0200 From: Ollivier Robert <roberto@keltia.freenix.fr> To: src-committers@freebsd.org, cvs-src@freebsd.org Subject: Re: cvs commit: src/sys/dev/em if_em.c Message-ID: <20060912142738.GA62913@keltia.freenix.fr> In-Reply-To: <F1B78FCF-7C22-436E-BAAE-57F2ACA45994@lassitu.de> References: <200608220232.k7M2WmCr080275@repoman.freebsd.org> <20060822152333.GV96644@FreeBSD.org> <44EB220A.5000709@centtech.com> <20060822153210.GW96644@FreeBSD.org> <44EB2437.5070206@centtech.com> <20060822185313.GX96644@FreeBSD.org> <20060822190223.GB89314@hugo10.ka.punkt.de> <F1B78FCF-7C22-436E-BAAE-57F2ACA45994@lassitu.de>
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[old thread but I'm trying to reduce my backlog]
According to Stefan Bethke:
> I have no idea whether the effect I'm seeing is related at all, but
> the description fits. If I load the CPU (make world -j4 or gzip -9 </
> dev/random >/dev/null), traffic over re0 stops and I get
On my old 2x PIII/800 machine, I get watchdog timeouts on an 3C905C card
(xl0) and a similar card generates the same problem here when the traffic
is high but I never get it on em0 even though xl0 is only the connection to
the DSL modem:
FreeBSD 6.1-STABLE #0: Tue Jun 27 19:43:32 CEST 2006
root@ns0.keltia.net:/data/work/obj/data/work/HG/src6-gjournal/sys/KELTIA
Timecounter "i8254" frequency 1193182 Hz quality 0
CPU: Intel(R) Pentium(R) D CPU 2.80GHz (2793.09-MHz 686-class CPU)
Origin = "GenuineIntel" Id = 0xf47 Stepping = 7
Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
Features2=0x641d<SSE3,RSVD2,MON,DS_CPL,CNTX-ID,CX16,<b14>>
AMD Features=0x20100000<NX,LM>
AMD Features2=0x1<LAHF>
Cores per package: 2
real memory = 535347200 (510 MB)
avail memory = 518574080 (494 MB)
FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs
cpu0 (BSP): APIC ID: 0
cpu1 (AP): APIC ID: 1
em0: <Intel(R) PRO/1000 Network Connection Version - 3.2.18> port 0xcce0-0xccff mem 0xfe3e0000-0xfe3fffff,0xfe400000-0xfe7fffff irq 17 at device 0.0 on pci4
em0: Ethernet address: 00:13:72:15:0f:44
xl0: <3Com 3c905-TX Fast Etherlink XL> port 0xbcc0-0xbcff irq 18 at device 2.0 on pci5
miibus0: <MII bus> on xl0
nsphy0: <DP83840 10/100 media interface> on miibus0
nsphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
xl0: Ethernet address: 00:60:97:11:e8:f8
em0@pci4:0:0: class=0x020000 card=0x01d11028 chip=0x109a8086 rev=0x01 hdr=0x00
vendor = 'Intel Corporation'
class = network
subclass = ethernet
xl0@pci5:2:0: class=0x020000 card=0x00000000 chip=0x905010b7 rev=0x00 hdr=0x00
vendor = '3COM Corp, Networking Division'
device = '3C905-TX Fast Etherlink XL PCI 10/100'
class = network
subclass = ethernet
--
Ollivier ROBERT -=- FreeBSD: The Power to Serve! -=- roberto@keltia.freenix.fr
Darwin snuadh.freenix.org Kernel Version 7.9.0: Wed Mar 30 20:11:17 PST 2005
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