From: Steven Walter <srwalter@yahoo.com>
To: Tom Eastep <teastep@shorewall.net>
Cc: linux-kernel@vger.kernel.org
Subject: Re: VIA Northbridge Workaround in 2.4.18 Causing Video Problems
Date: Tue, 26 Feb 2002 20:27:17 -0600 [thread overview]
Message-ID: <20020226202717.A30609@hapablap.dyn.dhs.org> (raw)
In-Reply-To: <20020226195730.BD7691B93C@mail.shorewall.net>
In-Reply-To: <20020226195730.BD7691B93C@mail.shorewall.net>; from teastep@shorewall.net on Tue, Feb 26, 2002 at 11:57:30AM -0800
I second this. Experienced almost exactly the same thing with a
2.4.18-pre2 kernel. Removing my board from the
arch/i386/kernel/pci-pc.c file (I believe) fixed the problem.
On Tue, Feb 26, 2002 at 11:57:30AM -0800, Tom Eastep wrote:
>
>
> [1.] One line summary of the problem:
>
> The VIA Northbridge workaround in 2.4.18 (arch/i386/kernel/pci-pc.c:pci_fixup_via_northbridge_bug)
> is causing Video Problems on one of my systems.
>
> [2.] Full description of the problem/report:
>
> System is an Athlon 1.2GZ with VIA KT133 Northbridge and VT82C686 Southbridge. This is a
> Compaq Presario with onboard S3 Savage Video that uses 8 or 16mb of system RAM as Video
> RAM. Prior to my installing 2.4.18, I have experienced none of the Athlon/VIA problems
> that have plagued other users (including the one addressed by the workaround).
>
> With 2.4.18:
>
> a) VGA console goes berserk during boot (random fixed pattern appears and console is unusable).
> b) Vesafb console and X (XF86_FBDEV) -- Heavy memory access (either from CPU or disk activity)
> produces flicker and horizontal white "noise" on the Display. The amount of flicker and
> noise is proportional to memory activity.
>
> I have definitely determined that the problem is with the VIA Workaround as
> the symptoms are eliminated when I disable the workaround (see hack below).
>
> [3.] Keywords (i.e., modules, networking, kernel):
> Video VIA Workaround
> [4.] Kernel version (from /proc/version):
> Linux version 2.4.18 (teastep@ursa.shorewall.net) (gcc version 2.96 20000731 (Red Hat Linux 7.1 2.96-98)) #2 Tue Feb 26 07:24:29 PST 2002
>
> [5.] Output of Oops.. message (if applicable) with symbolic information
> resolved (see Documentation/oops-tracing.txt)
> N/A
> [6.] A small shell script or example program which triggers the
> problem (if possible)
> N/A
> [7.] Environment
> [7.1.] Software (add the output of the ver_linux script here)
>
> Linux ursa.shorewall.net 2.4.18 #2 Tue Feb 26 07:24:29 PST 2002 i686 unknown
>
> Gnu C 2.96
> Gnu make 3.79.1
> util-linux 2.11f
> mount 2.11g
> modutils 2.4.13
> e2fsprogs 1.23
> PPP 2.4.1
> isdn4k-utils 3.1pre1
> Linux C Library 2.2.4
> Dynamic linker (ldd) 2.2.4
> Procps 2.0.7
> Net-tools 1.60
> Console-tools 0.3.3
> Sh-utils 2.0.11
> Modules Loaded via82cxxx_audio ac97_codec uart401 sound parport_pc lp parport tulip usb-storage nls_iso8859-1 nls_cp437 vfat fat mousedev keybdev hid input usb-uhci usbcore
>
> [7.2.] Processor information (from /proc/cpuinfo):
> processor : 0
> vendor_id : AuthenticAMD
> cpu family : 6
> model : 4
> model name : AMD Athlon(tm) Processor
> stepping : 2
> cpu MHz : 1202.134
> cache size : 256 KB
> fdiv_bug : no
> hlt_bug : no
> f00f_bug : no
> coma_bug : no
> fpu : yes
> fpu_exception : yes
> cpuid level : 1
> wp : yes
> flags : fpu vme de pse tsc msr pae mce cx8 sep mtrr pge mca cmov
> pat pse36 mmx fxsr syscall mmxext 3dnowext 3dnow
> bogomips : 2398.61
> [7.3.] Module information (from /proc/modules):
> via82cxxx_audio 18048 8 (autoclean)
> ac97_codec 9440 0 (autoclean) [via82cxxx_audio]
> uart401 6368 0 (autoclean) [via82cxxx_audio]
> sound 55884 0 (autoclean) [via82cxxx_audio uart401]
> parport_pc 25896 1 (autoclean)
> lp 6240 0 (autoclean)
> parport 24576 1 (autoclean) [parport_pc lp]
> tulip 39680 1
> usb-storage 22140 0
> nls_iso8859-1 2816 1 (autoclean)
> nls_cp437 4320 1 (autoclean)
> vfat 9852 1 (autoclean)
> fat 31096 0 (autoclean) [vfat]
> mousedev 4128 1
> keybdev 1856 0 (unused)
> hid 12992 0 (unused)
> input 3264 0 [mousedev keybdev hid]
> usb-uhci 21316 0 (unused)
> usbcore 49472 1 [usb-storage hid usb-uhci]
> [7.4.] Loaded driver and hardware information (/proc/ioports, /proc/iomem)
> 0000-001f : dma1
> 0020-003f : pic1
> 0040-005f : timer
> 0060-006f : keyboard
> 0070-007f : rtc
> 0080-008f : dma page reg
> 00a0-00bf : pic2
> 00c0-00df : dma2
> 00f0-00ff : fpu
> 0170-0177 : ide1
> 01f0-01f7 : ide0
> 0376-0376 : ide1
> 0378-037a : parport0
> 03c0-03df : vesafb
> 03f6-03f6 : ide0
> 03f8-03ff : serial(auto)
> 0cf8-0cff : PCI conf1
> 1000-10ff : Lite-On Communications Inc LNE100TX
> 1000-10ff : tulip
> 1400-14ff : VIA Technologies, Inc. AC97 Audio Controller
> 1400-14ff : via82cxxx_audio
> 1800-183f : PCTel Inc HSP MicroModem 56
> 1840-185f : VIA Technologies, Inc. UHCI USB
> 1840-185f : usb-uhci
> 1860-187f : VIA Technologies, Inc. UHCI USB (#2)
> 1860-187f : usb-uhci
> 1880-188f : VIA Technologies, Inc. Bus Master IDE
> 1880-1887 : ide0
> 1888-188f : ide1
> 1890-1893 : VIA Technologies, Inc. AC97 Audio Controller
> 1890-1893 : via82cxxx_audio
> 1894-1897 : VIA Technologies, Inc. AC97 Audio Controller
> 1894-1897 : via82cxxx_audio
> ec00-ec0f : VIA Technologies, Inc. VT82C686 [Apollo Super ACPI]
> ee00-eeff : VIA Technologies, Inc. VT82C686 [Apollo Super ACPI]
> CPU0
> 0: 120510 XT-PIC timer
> 1: 6 XT-PIC keyboard
> 2: 0 XT-PIC cascade
> 5: 4826 XT-PIC eth0
> 8: 1 XT-PIC rtc
> 9: 2 XT-PIC acpi
> 10: 8473 XT-PIC via82cxxx
> 11: 10879 XT-PIC usb-uhci, usb-uhci
> 14: 12635 XT-PIC ide0
> 15: 10 XT-PIC ide1
> NMI: 0
> ERR:
> [7.5.] PCI information ('lspci -vvv' as root)
> 00:00.0 Host bridge: VIA Technologies, Inc. VT8363/8365 [KT133/KM133] (rev 81)
> Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
> Status: Cap+ 66Mhz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort+ >SERR- <PERR-
> Latency: 0
> Region 0: Memory at 90000000 (32-bit, prefetchable) [size=64M]
> Capabilities: [a0] AGP version 2.0
> Status: RQ=31 SBA+ 64bit- FW- Rate=x1,x2
> Command: RQ=0 SBA- AGP- 64bit- FW- Rate=<none>
> Capabilities: [c0] Power Management version 2
> Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
> Status: D0 PME-Enable- DSel=0 DScale=0 PME-
>
> 00:01.0 PCI bridge: VIA Technologies, Inc. VT8363/8365 [KT133/KM133 AGP] (prog-if 00 [Normal decode])
> Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
> Status: Cap+ 66Mhz+ UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort+ >SERR- <PERR+
> Latency: 0
> Bus: primary=00, secondary=01, subordinate=01, sec-latency=0
> Memory behind bridge: 80000000-800fffff
> Prefetchable memory behind bridge: 88000000-8fffffff
> BridgeCtl: Parity- SERR- NoISA+ VGA+ MAbort- >Reset- FastB2B-
> Capabilities: [80] Power Management version 2
> Flags: PMEClk- DSI- D1+ D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
> Status: D0 PME-Enable- DSel=0 DScale=0 PME-
>
> 00:04.0 Modem: PCTel Inc HSP MicroModem 56 (rev 02) (prog-if 01 [Hayes/16450])
> Subsystem: PCTel Inc: Unknown device 0001
> Control: I/O+ Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
> Status: Cap+ 66Mhz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
> Interrupt: pin A routed to IRQ 10
> Region 0: I/O ports at 1800 [size=64]
> Capabilities: [40] Power Management version 2
> Flags: PMEClk- DSI+ D1- D2+ AuxCurrent=55mA PME(D0+,D1-,D2+,D3hot+,D3cold+)
> Status: D0 PME-Enable- DSel=0 DScale=0 PME-
>
> 00:05.0 Ethernet controller: Lite-On Communications Inc LNE100TX (rev 20)
> Subsystem: Netgear FA310TX
> Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
> Status: Cap- 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
> Latency: 66
> Interrupt: pin A routed to IRQ 5
> Region 0: I/O ports at 1000 [size=256]
> Region 1: Memory at a0000000 (32-bit, non-prefetchable) [size=256]
> Expansion ROM at <unassigned> [disabled] [size=256K]
>
> 00:14.0 ISA bridge: VIA Technologies, Inc. VT82C686 [Apollo Super South] (rev 22)
> Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping+ SERR- FastB2B-
> Status: Cap+ 66Mhz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort+ >SERR- <PERR-
> Latency: 0
>
> 00:14.1 IDE interface: VIA Technologies, Inc. Bus Master IDE (rev 10) (prog-if 8a [Master SecP PriP])
> Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
> Status: Cap+ 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
> Latency: 64
> Region 4: I/O ports at 1880 [size=16]
> Capabilities: [c0] Power Management version 2
> Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
> Status: D0 PME-Enable- DSel=0 DScale=0 PME-
>
> 00:14.2 USB Controller: VIA Technologies, Inc. UHCI USB (rev 10) (prog-if 00 [UHCI])
> Subsystem: Unknown device 0925:1234
> Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
> Status: Cap+ 66Mhz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
> Latency: 66, cache line size 08
> Interrupt: pin D routed to IRQ 11
> Region 4: I/O ports at 1840 [size=32]
> Capabilities: [80] Power Management version 2
> Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
> Status: D0 PME-Enable- DSel=0 DScale=0 PME-
>
> 00:14.3 USB Controller: VIA Technologies, Inc. UHCI USB (rev 10) (prog-if 00 [UHCI])
> Subsystem: Unknown device 0925:1234
> Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
> Status: Cap+ 66Mhz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
> Latency: 66, cache line size 08
> Interrupt: pin D routed to IRQ 11
> Region 4: I/O ports at 1860 [size=32]
> Capabilities: [80] Power Management version 2
> Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
> Status: D0 PME-Enable- DSel=0 DScale=0 PME-
>
> 00:14.4 Bridge: VIA Technologies, Inc. VT82C686 [Apollo Super ACPI] (rev 30)
> Control: I/O- Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
> Status: Cap+ 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
> Capabilities: [68] Power Management version 2
> Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
> Status: D0 PME-Enable- DSel=0 DScale=0 PME-
>
> 00:14.5 Multimedia audio controller: VIA Technologies, Inc. AC97 Audio Controller (rev 20)
> Subsystem: Compaq Computer Corporation: Unknown device 003d
> Control: I/O+ Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
> Status: Cap+ 66Mhz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
> Interrupt: pin C routed to IRQ 10
> Region 0: I/O ports at 1400 [size=256]
> Region 1: I/O ports at 1890 [size=4]
> Region 2: I/O ports at 1894 [size=4]
> Capabilities: [c0] Power Management version 2
> Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
> Status: D0 PME-Enable- DSel=0 DScale=0 PME-
>
> 01:00.0 VGA compatible controller: S3 Inc.: Unknown device 8a26 (prog-if 00 [VGA])
> Subsystem: Compaq Computer Corporation: Unknown device 005b
> Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
> Status: Cap+ 66Mhz+ UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
> Latency: 64 (1000ns min, 63750ns max), cache line size 08
> Interrupt: pin A routed to IRQ 3
> Region 0: Memory at 80000000 (32-bit, non-prefetchable) [size=512K]
> Region 1: Memory at 88000000 (32-bit, prefetchable) [size=128M]
> Expansion ROM at <unassigned> [disabled] [size=64K]
> Capabilities: [dc] Power Management version 2
> Flags: PMEClk- DSI+ D1+ D2+ AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
> Status: D0 PME-Enable- DSel=0 DScale=0 PME-
> Capabilities: [80] AGP version 2.0
> Status: RQ=31 SBA- 64bit- FW- Rate=x1,x2
> Command: RQ=0 SBA- AGP- 64bit- FW- Rate=<none>
>
> [7.6.] SCSI information (from /proc/scsi/scsi)
> Attached devices:
> Host: scsi0 Channel: 00 Id: 00 Lun: 00
> Vendor: COMPAQ Model: DVD-ROM DRD8120B Rev: 1.10
> Type: CD-ROM ANSI SCSI revision: 02
> Host: scsi0 Channel: 00 Id: 01 Lun: 00
> Vendor: LG Model: CD-RW CED-8120B Rev: 1.09
> Type: CD-ROM ANSI SCSI revision: 02
> Host: scsi1 Channel: 00 Id: 00 Lun: 00
> Vendor: Photo Po Model: rt 7700# Rev:
> Type: Direct-Access ANSI SCSI revision: 02
> Host: scsi1 Channel: 00 Id: 00 Lun: 01
> Vendor: Photo Po Model: rt 7700# Rev:
> Type: Direct-Access ANSI SCSI revision: 02
> [7.7.] Other information that might be relevant to the problem
> (please look in /proc and include all information that you
> think to be relevant):
> [X.] Other notes, patches, fixes, workarounds:
> I'm currently getting around the problem with the following hack:
>
> diff -u arch/i386/kernel/pci-pc.orig arch/i386/kernel/pci-pc.c
> --- arch/i386/kernel/pci-pc.orig Tue Feb 26 07:12:50 2002
> +++ arch/i386/kernel/pci-pc.c Tue Feb 26 07:24:23 2002
> @@ -1144,7 +1144,7 @@
> { PCI_FIXUP_HEADER, PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_5597, pci_fixup_latency },
> { PCI_FIXUP_HEADER, PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_5598, pci_fixup_latency },
> { PCI_FIXUP_HEADER, PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82371AB_3, pci_fixup_piix4_acpi },
> - { PCI_FIXUP_HEADER, PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8363_0, pci_fixup_via_northbridge_bug },
> +/* { PCI_FIXUP_HEADER, PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8363_0, pci_fixup_via_northbridge_bug }, */
> { PCI_FIXUP_HEADER, PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8622, pci_fixup_via_northbridge_bug },
> { PCI_FIXUP_HEADER, PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8361, pci_fixup_via_northbridge_bug },
> { PCI_FIXUP_HEADER, PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8367_0, pci_fixup_via_northbridge_bug },
>
> -Tom
> --
> Tom Eastep \ Shorewall - iptables made easy
> AIM: tmeastep \ http://www.shorewall.net
> ICQ: #60745924 \ teastep@shorewall.net
> -
> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
> Please read the FAQ at http://www.tux.org/lkml/
--
-Steven
In a time of universal deceit, telling the truth is a revolutionary act.
-- George Orwell
He's alive. He's alive! Oh, that fellow at RadioShack said I was mad!
Well, who's mad now?
-- Montgomery C. Burns
next prev parent reply other threads:[~2002-02-27 2:28 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-02-26 19:57 VIA Northbridge Workaround in 2.4.18 Causing Video Problems Tom Eastep
2002-02-26 20:42 ` Vincent Bernat
2002-02-26 21:19 ` Mark Cooke
2002-02-27 15:12 ` Tom Eastep
2002-02-27 16:29 ` Vincent Bernat
2002-02-27 2:27 ` Steven Walter [this message]
2002-02-27 22:33 ` James Cassidy
2002-02-27 22:45 ` Tom Eastep
-- strict thread matches above, loose matches on Subject: below --
2002-02-27 18:01 Alex Davis
2002-02-27 21:26 ` Mark Cooke
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20020226202717.A30609@hapablap.dyn.dhs.org \
--to=srwalter@yahoo.com \
--cc=linux-kernel@vger.kernel.org \
--cc=teastep@shorewall.net \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.