Bug 22624

Summary:	Interrupt conflict btw. vga and Ethernet
Product:	Base System	Reporter:	Archie Cobbs <archie>
Component:	kern	Assignee:	Ceri Davies <ceri>
Status:	Closed FIXED
Severity:	Affects Only Me
Priority:	Normal
Version:	4.1.1-RELEASE
Hardware:	Any
OS:	Any

Description Archie Cobbs 2000-11-05 20:50:00 UTC

	See email below sent to freebsd-stable..

	> From owner-freebsd-stable@FreeBSD.ORG Tue Oct 31 16:49:45 2000
	> From: Archie Cobbs <archie@dellroad.org>
	> Message-Id: <200011010048.eA10mIK51824@curve.dellroad.org>
	> Subject: Interrupt conflict btw. vga and Ethernet
	> To: freebsd-stable@FreeBSD.ORG
	> Date: Tue, 31 Oct 2000 16:48:17 -0800 (PST)
	> X-Mailer: ELM [version 2.4ME+ PL82 (25)]
	> MIME-Version: 1.0
	> Content-Transfer-Encoding: 7bit
	> Content-Type: text/plain; charset=US-ASCII
	> Sender: owner-freebsd-stable@FreeBSD.ORG
	> X-Loop: FreeBSD.ORG
	> Precedence: bulk
	> Status: OR
	> 
	> Hi,
	> 
	> I've noticed a wierd problem on 4.1.1-stable (as of a week or two ago).
	> I have this hardware:
	> 
	> > ...
	> > pci1: <Matrox MGA G400 AGP graphics accelerator> at 0.0 irq 11
	> > ...
	> > sf2: <Adaptec ANA-62044 10/100BaseTX> port 0xd800-0xd8ff mem 0xdc000000-0xdc07ffff irq 11 at device 6.0 on pci2
	> > sf2: Ethernet address: 00:00:d1:ed:b1:9f
	> > ...
	> 
	> This machine also has sf0, sf1, and sf3 (on a four-controller card).
	> 
	> When running X, everything is fine until sf2 is accessed. Then the
	> X display gets *really* slow.. like it takes four seconds or so
	> to scroll a page of xterm text. This persists even after restarting
	> the X server.
	> 
	> Obviously, this has something to do with the fact that the Matrox
	> card and the sf2 interface are both on irq 11 -- the other three
	> interfaces are on different irq's and don't show the same problem.
	> 
	> Any ideas? The sf driver looks like it's correctly written to share
	> interrupts.. so maybe this is an XFree86 bug?
	> 
	> Details below.
	> 
	> Thanks,
	> -Archie
	> 
	> __________________________________________________________________________
	> Archie Cobbs     *     Packet Design     *     http://www.packetdesign.com
	> 
	> =============== dmesg ==================
	> 
	> Copyright (c) 1992-2000 The FreeBSD Project.
	> Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
	> 	The Regents of the University of California. All rights reserved.
	> FreeBSD 4.1.1-STABLE #1: Thu Oct 26 17:26:09 PDT 2000
	>     root@bubba.packetdesign.com:/usr/src/sys/compile/BUBBA
	> Timecounter "i8254"  frequency 1193182 Hz
	> CPU: Pentium III/Pentium III Xeon/Celeron (664.97-MHz 686-class CPU)
	>   Origin = "GenuineIntel"  Id = 0x683  Stepping = 3
	>   Features=0x387f9ff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,PN,MMX,FXSR,SSE>
	> real memory  = 134152192 (131008K bytes)
	> avail memory = 127840256 (124844K bytes)
	> Preloaded elf kernel "kernel" at 0xc02c6000.
	> Pentium Pro MTRR support enabled
	> npx0: <math processor> on motherboard
	> npx0: INT 16 interface
	> pcib0: <Host to PCI bridge> on motherboard
	> pci0: <PCI bus> on pcib0
	> pcib2: <VIA 82C598MVP (Apollo MVP3) PCI-PCI (AGP) bridge> at device 1.0 on pci0
	> pci1: <PCI bus> on pcib2
	> pci1: <Matrox MGA G400 AGP graphics accelerator> at 0.0 irq 11
	> isab0: <VIA 82C596B PCI-ISA bridge> at device 7.0 on pci0
	> isa0: <ISA bus> on isab0
	> atapci0: <VIA 82C596 ATA66 controller> port 0xe400-0xe40f at device 7.1 on pci0
	> ata0: at 0x1f0 irq 14 on atapci0
	> ata1: at 0x170 irq 15 on atapci0
	> pci0: <VIA 83C572 USB controller> at 7.2 irq 10
	> pcib3: <DEC 21154 PCI-PCI bridge> at device 11.0 on pci0
	> pci2: <PCI bus> on pcib3
	> sf0: <Adaptec ANA-62044 10/100BaseTX> port 0xd000-0xd0ff mem 0xdc180000-0xdc1fffff irq 5 at device 4.0 on pci2
	> sf0: Ethernet address: 00:00:d1:ed:b1:9d
	> miibus0: <MII bus> on sf0
	> ukphy0: <Generic IEEE 802.3u media interface> on miibus0
	> ukphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
	> sf1: <Adaptec ANA-62044 10/100BaseTX> port 0xd400-0xd4ff mem 0xdc080000-0xdc0fffff irq 10 at device 5.0 on pci2
	> sf1: Ethernet address: 00:00:d1:ed:b1:9e
	> miibus1: <MII bus> on sf1
	> ukphy1: <Generic IEEE 802.3u media interface> on miibus1
	> ukphy1:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
	> sf2: <Adaptec ANA-62044 10/100BaseTX> port 0xd800-0xd8ff mem 0xdc000000-0xdc07ffff irq 11 at device 6.0 on pci2
	> sf2: Ethernet address: 00:00:d1:ed:b1:9f
	> miibus2: <MII bus> on sf2
	> ukphy2: <Generic IEEE 802.3u media interface> on miibus2
	> ukphy2:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
	> sf3: <Adaptec ANA-62044 10/100BaseTX> port 0xdc00-0xdcff mem 0xdc100000-0xdc17ffff irq 9 at device 7.0 on pci2
	> sf3: Ethernet address: 00:00:d1:ed:b1:a0
	> miibus3: <MII bus> on sf3
	> ukphy3: <Generic IEEE 802.3u media interface> on miibus3
	> ukphy3:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
	> pcib1: <Host to PCI bridge> on motherboard
	> pci3: <PCI bus> on pcib1
	> fdc0: <NEC 72065B or clone> at port 0x3f0-0x3f5,0x3f7 irq 6 drq 2 on isa0
	> fdc0: FIFO enabled, 8 bytes threshold
	> fd0: <1440-KB 3.5" drive> on fdc0 drive 0
	> atkbdc0: <Keyboard controller (i8042)> at port 0x60,0x64 on isa0
	> atkbd0: <AT Keyboard> irq 1 on atkbdc0
	> psm0: <PS/2 Mouse> irq 12 on atkbdc0
	> psm0: model IntelliMouse, device ID 3
	> vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
	> sc0: <System console> on isa0
	> sc0: VGA <16 virtual consoles, flags=0x200>
	> sio0 at port 0x3f8-0x3ff irq 4 flags 0x10 on isa0
	> sio0: type 16550A
	> sio1 at port 0x2f8-0x2ff irq 3 on isa0
	> sio1: type 16550A
	> ppc0: <Parallel port> at port 0x378-0x37f irq 7 on isa0
	> ppc0: Generic chipset (NIBBLE-only) in COMPATIBLE mode
	> ppi0: <Parallel I/O> on ppbus0
	> IP packet filtering initialized, divert enabled, rule-based forwarding disabled, default to accept, logging limited to 100 packets/entry by default
	> ata1-slave: ata_command: timeout waiting for intr
	> ata1-slave: identify failed
	> ad0: 9773MB <FUJITSU MPF3102AT> [19857/16/63] at ata0-master using UDMA66
	> acd0: CDROM <CD-ROM 50X L> at ata1-master using PIO4
	> Mounting root from ufs:/dev/ad0s1a
	> 
	> ===================== xinit output =====================
	> 
	> XFree86 Version 3.3.6 / X Window System
	> (protocol Version 11, revision 0, vendor release 6300)
	> Release Date: January 8 1999
	> 	If the server is older than 6-12 months, or if your card is newer
	> 	than the above date, look for a newer version before reporting
	> 	problems.  (see http://www.XFree86.Org/FAQ)
	> Operating System: FreeBSD 3.3-RELEASE i386 [ELF] 
	> Configured drivers:
	>   SVGA: server for SVGA graphics adaptors (Patchlevel 0):
	>       NV1, STG2000, RIVA 128, RIVA TNT, RIVA TNT2, RIVA ULTRA TNT2,
	>       RIVA VANTA, RIVA ULTRA VANTA, RIVA INTEGRATED, GeForce 256,
	>       GeForce DDR, Quadro, ET4000, ET4000W32, ET4000W32i, ET4000W32i_rev_b,
	>       ET4000W32i_rev_c, ET4000W32p, ET4000W32p_rev_a, ET4000W32p_rev_b,
	>       ET4000W32p_rev_c, ET4000W32p_rev_d, ET6000, ET6100, et3000, pvga1,
	>       wd90c00, wd90c10, wd90c30, wd90c24, wd90c31, wd90c33, gvga, r128, ati,
	>       sis86c201, sis86c202, sis86c205, sis86c215, sis86c225, sis5597,
	>       sis5598, sis6326, sis530, sis620, sis300, sis630, sis540, tvga8200lx,
	>       tvga8800cs, tvga8900b, tvga8900c, tvga8900cl, tvga8900d, tvga9000,
	>       tvga9000i, tvga9100b, tvga9200cxr, tgui9400cxi, tgui9420, tgui9420dgi,
	>       tgui9430dgi, tgui9440agi, cyber9320, tgui9660, tgui9680, tgui9682,
	>       tgui9685, cyber9382, cyber9385, cyber9388, cyber9397, cyber9520,
	>       cyber9525, 3dimage975, 3dimage985, cyber9397dvd, blade3d, cyberblade,
	>       clgd5420, clgd5422, clgd5424, clgd5426, clgd5428, clgd5429, clgd5430,
	>       clgd5434, clgd5436, clgd5446, clgd5480, clgd5462, clgd5464, clgd5465,
	>       clgd6205, clgd6215, clgd6225, clgd6235, clgd7541, clgd7542, clgd7543,
	>       clgd7548, clgd7555, clgd7556, ncr77c22, ncr77c22e, cpq_avga, mga2064w,
	>       mga1064sg, mga2164w, mga2164w AGP, mgag200, mgag100, mgag400, oti067,
	>       oti077, oti087, oti037c, al2101, ali2228, ali2301, ali2302, ali2308,
	>       ali2401, cl6410, cl6412, cl6420, cl6440, video7, ark1000vl, ark1000pv,
	>       ark2000pv, ark2000mt, mx, realtek, s3_virge, AP6422, AT24, AT3D,
	>       s3_svga, NM2070, NM2090, NM2093, NM2097, NM2160, NM2200, ct65520,
	>       ct65525, ct65530, ct65535, ct65540, ct65545, ct65546, ct65548,
	>       ct65550, ct65554, ct65555, ct68554, ct69000, ct64200, ct64300,
	>       mediagx, V1000, V2100, V2200, p9100, spc8110, i740, i740_pci,
	>       Voodoo Banshee, Voodoo3, smi, generic
	> Using syscons driver with X support (version 2.0)
	> (using VT number 9)
	> 
	> XF86Config: /etc/XF86Config
	> (**) stands for supplied, (--) stands for probed/default values
	> (**) XKB: keycodes: "xfree86"
	> (**) XKB: types: "default"
	> (**) XKB: compat: "default"
	> (**) XKB: symbols: "us(pc101)"
	> (**) XKB: geometry: "pc"
	> (**) XKB: keymap: "xfree86(us)" (overrides other XKB settings)
	> (**) XKB: rules: "xfree86"
	> (**) XKB: model: "pc101"
	> (**) XKB: layout: "us"
	> (**) Mouse: type: PS/2, device: /dev/mouse, buttons: 5
	> (**) Mouse: zaxismapping: (-)4 (+)5
	> (**) SVGA: Graphics device ID: "Matrox G400"
	> (**) SVGA: Monitor ID: "KDS VS-190"
	> (**) SVGA: Graphics device ID: "Diamond SpeedStar A50"
	> (**) SVGA: Monitor ID: "KDS VS-190"
	> (**) FontPath set to "/usr/X11R6/lib/X11/fonts/misc/,/usr/X11R6/lib/X11/fonts/75dpi/:unscaled,/usr/X11R6/lib/X11/fonts/75dpi/"
	> (--) SVGA: PCI: Matrox MGA G400 AGP rev 4, Memory @ 0xe8000000, 0xe0000000
	> (--) SVGA: Linear framebuffer at 0xE8000000
	> (--) SVGA: MMIO registers at 0xE0000000
	> (--) SVGA: Video BIOS info block at 0x000c7a60
	> (--) SVGA: Video BIOS info block not detected!
	> (!!) SVGA: Unable to probe for video memory size.  Assuming 16 Meg.	Please specify the correct amount in the XF86Config file.	See the file README.MGA for details.
	> (--) SVGA: detected an SGRAM card
	> (--) SVGA: chipset:  mgag400
	> (--) SVGA: videoram: 16384k
	> (**) SVGA: Option "dac_8_bit"
	> (**) SVGA: Using 8 bits per color component
	> (**) SVGA: Using 8 bpp, Depth 8, Color weight: 888
	> (--) SVGA: Maximum allowed dot-clock: 300.000 MHz
	> (**) SVGA: Mode "1600x1200": mode clock = 202.500
	> (**) SVGA: Mode "1280x1024": mode clock = 157.500
	> (--) SVGA: Virtual resolution set to 1600x1200
	> (--) SVGA: SpeedUp code selection modified because virtualX != 1024
	> (--) SVGA: Using hardware cursor
	> (--) SVGA: PLL reference freq: 27.050 MHz
	> (--) SVGA: Read OPTION 0x50044120
	> (--) SVGA: Using XAA (XFree86 Acceleration Architecture)
	> (--) SVGA: XAA: Solid filled rectangles
	> (--) SVGA: XAA: Screen-to-screen copy
	> (--) SVGA: XAA: 8x8 color expand pattern fill
	> (--) SVGA: XAA: CPU to screen color expansion (TE/NonTE imagetext, TE/NonTE polytext)
	> (--) SVGA: XAA: Using 12 128x128 areas for pixmap caching
	> (--) SVGA: XAA: Caching tiles and stipples
	> (--) SVGA: XAA: General lines and segments
	> (--) SVGA: XAA: Dashed lines and segments
	> Detected mode 1600 by 1200
	> *FvwmTaskBar: cannot open console

How-To-Repeat: 
	Boot system.
	Start X.
	Access interface sf2.

Comment 1 Archie Cobbs 2001-01-25 18:14:43 UTC

Same problem happened with 4.2-REL on another machine, except it
was a different port and it didn't seem like there was any interrupt
conflict. Now I'm thinking it's just a bug in the driver.

At least one other person has seen the same problem:

http://www.FreeBSD.org/cgi/getmsg.cgi?fetch=777342+779066+/usr/local/www/db/text/2000/freebsd-questions/20000521.freebsd-questions

-Archie

__________________________________________________________________________
Archie Cobbs     *     Packet Design     *     http://www.packetdesign.com

Comment 2 iedowse freebsd_committer

2002-08-11 22:35:02 UTC

State Changed
From-To: open->feedback


Does this problem still occur?

Comment 3 Ceri Davies freebsd_committer

2003-06-08 19:01:01 UTC

State Changed
From-To: feedback->closed

Feedback timeout (6 months or more). 
I will handle any feedback that this closure generates.

Comment 4 Ceri Davies freebsd_committer

2003-06-08 19:01:01 UTC

Responsible Changed
From-To: freebsd-bugs->ceri

Feedback timeout (6 months or more). 
I will handle any feedback that this closure generates.