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Date: Fri, 14 Jan 2005 05:01:36 +0200
From: Sami Farin <7atbggg02@sneakemail.com>
To: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: Linux 2.6.10-ac9
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On Thu, Jan 13, 2005 at 05:23:29PM +0000, Alan Cox wrote:
> Arjan van de Ven is now building RPMS of the kernel and those can be found
> in the RPM subdirectory and should be yum-able. Expect the RPMS to lag the
> diff a little as the RPM builds and tests do take time.
> 
> 
> Key:	o	- only in -ac
> 	*	- already fixed upstream
> 	X	- discarded later as wrong
> 	+	- ac specific (fix not relevant to non -ac)
> 
> 2.6.10-ac9
> *	2.6.10 variant of the stack race fix		(Alan Cox)
> 	| Found by Paul Staretz
> *	Stronger ELF validity checks			(Solar Designer)
> *	Add ATI SATA identifiers			(Frederick Li)
> o	Update ATI PATA/SATA support			(Frederick Li)
> *	Audit fixups				(Steve Grubb, Roger Luethi)
> *	FPU/signal handling fix				(Bodo Stroesser)
> *	nForce2 APIC/LAPIC errata fixup			(Prakash Punnoor)
> *	Swap aacraid fix in -ac with 2.6.11rc base fix	(Tom Coughlan)
> *	Connnection track/rst fix			(Martin Josefsson)
> o	Format ide printk's more nicely			(Gunther Mayer)
> o	Stallion serial resurrection (part one)		(Wayne Meissner)
> *	Fix nls_ascii					(Ogawa Hirofumi)
> *	Count writeback pages in nr_scanned		(Rik van Riel)
> 	| OOM fixing
> o	Revert ac97_patch changes			(Jules Villard)
> 	| with this change many users get no sound out
> o	Correct handling of some module parameter	(Rusty Russell)
> 	errors

with 2.6.10-ac7/ac8 I did not have problems with sound,
but with ac9 I got these problems:

at boot, sometimes /dev/dsp and /dev/snd/pcm* do not get created,
despite modules are loaded and /proc/interrupts shows IRQ 5 for
Ensoniq AudioPCI (but count stays at 0).
(I just upgraded to udev-0.50, too...)

first, full lspci output:

00:00.0 Host bridge: Intel Corp. 440BX/ZX/DX - 82443BX/ZX/DX Host bridge (rev 03)
	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 0: Memory at e0000000 (32-bit, prefetchable) [size=64M]
	Capabilities: [a0] AGP version 1.0
		Status: RQ=32 Iso- ArqSz=0 Cal=0 SBA+ ITACoh- GART64- HTrans- 64bit- FW- AGP3- Rate=x1,x2
		Command: RQ=1 ArqSz=0 Cal=0 SBA- AGP- GART64- 64bit- FW- Rate=<none>
00: 86 80 90 71 06 00 10 22 03 00 00 06 00 40 00 00
10: 08 00 00 e0 00 00 00 00 00 00 00 00 00 00 00 00
20: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
30: 00 00 00 00 a0 00 00 00 00 00 00 00 00 00 00 00

00:01.0 PCI bridge: Intel Corp. 440BX/ZX/DX - 82443BX/ZX/DX AGP bridge (rev 03) (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: 64
	Bus: primary=00, secondary=01, subordinate=01, sec-latency=64
	I/O behind bridge: 0000d000-0000dfff
	Memory behind bridge: e4000000-e7ffffff
	Prefetchable memory behind bridge: e8000000-e8ffffff
	Secondary status: 66Mhz+ FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort+ <SERR- <PERR-
	BridgeCtl: Parity- SERR- NoISA- VGA+ MAbort- >Reset- FastB2B+
00: 86 80 91 71 07 01 20 02 03 00 04 06 00 40 01 00
10: 00 00 00 00 00 00 00 00 00 01 01 40 d0 d0 a0 22
20: 00 e4 f0 e7 00 e8 f0 e8 00 00 00 00 00 00 00 00
30: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 88 00

00:07.0 ISA bridge: Intel Corp. 82371AB/EB/MB PIIX4 ISA (rev 02)
	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: 86 80 10 71 0f 00 80 02 02 00 01 06 00 00 80 00
10: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
20: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
30: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

00:07.1 IDE interface: Intel Corp. 82371AB/EB/MB PIIX4 IDE (rev 01) (prog-if 80 [Master])
	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 f000 [size=16]
00: 86 80 11 71 05 00 80 02 01 80 01 01 00 40 00 00
10: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
20: 01 f0 00 00 00 00 00 00 00 00 00 00 00 00 00 00
30: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

00:07.2 USB Controller: Intel Corp. 82371AB/EB/MB PIIX4 USB (rev 01) (prog-if 00 [UHCI])
	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
	Interrupt: pin D routed to IRQ 11
	Region 4: I/O ports at e000 [size=32]
00: 86 80 12 71 05 00 80 02 01 00 03 0c 00 40 00 00
10: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
20: 01 e0 00 00 00 00 00 00 00 00 00 00 00 00 00 00
30: 00 00 00 00 00 00 00 00 00 00 00 00 0b 04 00 00

00:07.3 Bridge: Intel Corp. 82371AB/EB/MB PIIX4 ACPI (rev 02)
	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 ? routed to IRQ 9
00: 86 80 13 71 03 00 80 02 02 00 80 06 00 00 00 00
10: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
20: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
30: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

00:09.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8139/8139C/8139C+ (rev 10)
	Subsystem: Surecom Technology EP-320X-R
	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 (8000ns min, 16000ns max)
	Interrupt: pin A routed to IRQ 11
	Region 0: I/O ports at e400 [size=256]
	Region 1: Memory at e9000000 (32-bit, non-prefetchable) [size=256]
	Capabilities: [50] 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: ec 10 39 81 07 00 90 02 10 00 00 02 00 40 00 00
10: 01 e4 00 00 00 00 00 e9 00 00 00 00 00 00 00 00
20: 00 00 00 00 00 00 00 00 00 00 00 00 bd 10 20 03
30: 00 00 00 00 50 00 00 00 00 00 00 00 0b 01 20 40

00:0b.0 Multimedia video controller: Brooktree Corporation Bt878 Video Capture (rev 02)
	Subsystem: Hauppauge computer works Inc. WinTV Series
	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 (4000ns min, 10000ns max)
	Interrupt: pin A routed to IRQ 9
	Region 0: Memory at e9001000 (32-bit, prefetchable) [size=4K]
00: 9e 10 6e 03 06 00 80 02 02 00 00 04 00 40 80 00
10: 08 10 00 e9 00 00 00 00 00 00 00 00 00 00 00 00
20: 00 00 00 00 00 00 00 00 00 00 00 00 70 00 eb 13
30: 00 00 00 00 00 00 00 00 00 00 00 00 09 01 10 28

00:0b.1 Multimedia controller: Brooktree Corporation Bt878 Audio Capture (rev 02)
	Subsystem: Hauppauge computer works Inc. WinTV Series
	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)
	Interrupt: pin A routed to IRQ 9
	Region 0: Memory at e9002000 (32-bit, prefetchable) [size=4K]
00: 9e 10 78 08 06 00 80 02 02 00 80 04 00 40 80 00
10: 08 20 00 e9 00 00 00 00 00 00 00 00 00 00 00 00
20: 00 00 00 00 00 00 00 00 00 00 00 00 70 00 eb 13
30: 00 00 00 00 00 00 00 00 00 00 00 00 09 01 04 ff

00:0d.0 Multimedia audio controller: Ensoniq ES1371 [AudioPCI-97] (rev 06)
	Subsystem: Ensoniq Creative Sound Blaster AudioPCI64V, AudioPCI128
	Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
	Status: Cap+ 66Mhz- UDF- FastB2B- ParErr- DEVSEL=slow >TAbort- <TAbort- <MAbort- >SERR- <PERR-
	Latency: 64 (3000ns min, 32000ns max)
	Interrupt: pin A routed to IRQ 5
	Region 0: I/O ports at e800 [size=64]
	Capabilities: [dc] Power Management version 1
		Flags: PMEClk- DSI+ D1- D2+ AuxCurrent=0mA PME(D0+,D1-,D2+,D3hot+,D3cold-)
		Status: D0 PME-Enable- DSel=0 DScale=0 PME-
00: 74 12 71 13 05 00 10 04 06 00 01 04 00 40 00 00
10: 01 e8 00 00 00 00 00 00 00 00 00 00 00 00 00 00
20: 00 00 00 00 00 00 00 00 00 00 00 00 74 12 71 13
30: 00 00 00 00 dc 00 00 00 00 00 00 00 05 01 0c 80

00:0f.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8139/8139C/8139C+ (rev 10)
	Subsystem: Realtek Semiconductor Co., Ltd. RT8139
	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 (8000ns min, 16000ns max)
	Interrupt: pin A routed to IRQ 10
	Region 0: I/O ports at ec00 [size=256]
	Region 1: Memory at e9003000 (32-bit, non-prefetchable) [size=256]
	Capabilities: [50] 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: ec 10 39 81 07 00 90 02 10 00 00 02 00 40 00 00
10: 01 ec 00 00 00 30 00 e9 00 00 00 00 00 00 00 00
20: 00 00 00 00 00 00 00 00 00 00 00 00 ec 10 39 81
30: 00 00 00 00 50 00 00 00 00 00 00 00 0a 01 20 40

01:00.0 VGA compatible controller: Matrox Graphics, Inc. MGA G200 AGP (rev 01) (prog-if 00 [VGA])
	Subsystem: Matrox Graphics, Inc. Millennium G200 AGP
	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 (4000ns min, 8000ns max), Cache Line Size 08
	Interrupt: pin A routed to IRQ 0
	Region 0: Memory at e8000000 (32-bit, prefetchable) [size=16M]
	Region 1: Memory at e4000000 (32-bit, non-prefetchable) [size=16K]
	Region 2: Memory at e5000000 (32-bit, non-prefetchable) [size=8M]
	Capabilities: [dc] Power Management version 1
		Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
		Status: D0 PME-Enable- DSel=0 DScale=0 PME-
	Capabilities: [f0] AGP version 1.0
		Status: RQ=32 Iso- ArqSz=0 Cal=0 SBA+ ITACoh- GART64- HTrans- 64bit- FW- AGP3- Rate=x1,x2
		Command: RQ=32 ArqSz=0 Cal=0 SBA+ AGP+ GART64- 64bit- FW- Rate=x2
00: 2b 10 21 05 07 00 90 02 01 00 00 03 08 40 00 00
10: 08 00 00 e8 00 00 00 e4 00 00 00 e5 00 00 00 00
20: 00 00 00 00 00 00 00 00 00 00 00 00 2b 10 03 ff
30: 00 00 00 00 dc 00 00 00 00 00 00 00 ff 01 10 20


at this spot I have no /dev/dsp etc.
then I reload snd_ens1371:

 00:0d.0 Multimedia audio controller: Ensoniq ES1371 [AudioPCI-97] (rev 06)
        Subsystem: Ensoniq Creative Sound Blaster AudioPCI64V, AudioPCI128
        Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
-       Status: Cap+ 66Mhz- UDF- FastB2B- ParErr- DEVSEL=slow >TAbort- <TAbort- <MAbort- >SERR- <PERR-
+       Status: Cap+ 66Mhz- UDF- FastB2B- ParErr- DEVSEL=slow >TAbort- <TAbort+ <MAbort- >SERR- <PERR-
        Latency: 64 (3000ns min, 32000ns max)
        Interrupt: pin A routed to IRQ 5
        Region 0: I/O ports at e800 [size=64]
        Capabilities: [dc] Power Management version 1
                Flags: PMEClk- DSI+ D1- D2+ AuxCurrent=0mA PME(D0+,D1-,D2+,D3hot+,D3cold-)
                Status: D0 PME-Enable- DSel=0 DScale=0 PME-
-00: 74 12 71 13 05 00 10 04 06 00 01 04 00 40 00 00
+00: 74 12 71 13 05 00 10 14 06 00 01 04 00 40 00 00
 10: 01 e8 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 20: 00 00 00 00 00 00 00 00 00 00 00 00 74 12 71 13
 30: 00 00 00 00 dc 00 00 00 00 00 00 00 05 01 0c 80

I have /dev/dsp but no /dev/snd/control* so no sound.

then I remove every module related to sound.

 
 00:0d.0 Multimedia audio controller: Ensoniq ES1371 [AudioPCI-97] (rev 06)
        Subsystem: Ensoniq Creative Sound Blaster AudioPCI64V, AudioPCI128
-       Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
-       Status: Cap+ 66Mhz- UDF- FastB2B- ParErr- DEVSEL=slow >TAbort- <TAbort+ <MAbort- >SERR- <PERR-
-       Latency: 64 (3000ns min, 32000ns max)
+       Control: I/O+ Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
+       Status: Cap+ 66Mhz- UDF- FastB2B- ParErr- DEVSEL=slow >TAbort- <TAbort+ <MAbort+ >SERR- <PERR-
        Interrupt: pin A routed to IRQ 5
        Region 0: I/O ports at e800 [size=64]
        Capabilities: [dc] Power Management version 1
                Flags: PMEClk- DSI+ D1- D2+ AuxCurrent=0mA PME(D0+,D1-,D2+,D3hot+,D3cold-)
-               Status: D0 PME-Enable- DSel=0 DScale=0 PME-
-00: 74 12 71 13 05 00 10 14 06 00 01 04 00 40 00 00
+               Status: D3 PME-Enable- DSel=0 DScale=0 PME-
+00: 74 12 71 13 01 00 10 34 06 00 01 04 00 40 00 00
 10: 01 e8 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 20: 00 00 00 00 00 00 00 00 00 00 00 00 74 12 71 13
 30: 00 00 00 00 dc 00 00 00 00 00 00 00 05 01 0c 80


then I run "modprobe snd_ens1371".
I now get dsp and control, all works.

 
 00:0d.0 Multimedia audio controller: Ensoniq ES1371 [AudioPCI-97] (rev 06)
        Subsystem: Ensoniq Creative Sound Blaster AudioPCI64V, AudioPCI128
-       Control: I/O+ Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
+       Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
        Status: Cap+ 66Mhz- UDF- FastB2B- ParErr- DEVSEL=slow >TAbort- <TAbort+ <MAbort+ >SERR- <PERR-
+       Latency: 64 (3000ns min, 32000ns max)
        Interrupt: pin A routed to IRQ 5
        Region 0: I/O ports at e800 [size=64]
        Capabilities: [dc] Power Management version 1
                Flags: PMEClk- DSI+ D1- D2+ AuxCurrent=0mA PME(D0+,D1-,D2+,D3hot+,D3cold-)
-               Status: D3 PME-Enable- DSel=0 DScale=0 PME-
-00: 74 12 71 13 01 00 10 34 06 00 01 04 00 40 00 00
+               Status: D0 PME-Enable- DSel=0 DScale=0 PME-
+00: 74 12 71 13 05 00 10 34 06 00 01 04 00 40 00 00
 10: 01 e8 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 20: 00 00 00 00 00 00 00 00 00 00 00 00 74 12 71 13
 30: 00 00 00 00 dc 00 00 00 00 00 00 00 05 01 0c 80



also, with 2.6.10 I can't disable write cache...
I could do it in 2.6.9.

# hdparm -I /dev/hda | grep "Write cache" ; hdparm -W0 /dev/hda ; hdparm -I /dev/hda | grep "Write cache" 
           *    Write cache

/dev/hda:
 setting drive write-caching to 0 (off)
           *    Write cache


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