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Subject[2.4.21rc7] big problems with DMA on via KT333 board
Date
Hello all,

there are a lot of problems with this kernel on KT333 boards. This kernel
can't be called stable at all. Sorry.

The last problem I saw was this problem during writing datas to the hd
coming via nfs:

Jun 11 00:31:16 athlon kernel: hda: dma_timer_expiry: dma status == 0x61
Jun 11 00:31:30 athlon kernel: hda: timeout waiting for DMA
Jun 11 00:31:30 athlon kernel: hda: timeout waiting for DMA
Jun 11 00:31:30 athlon kernel: hda: (__ide_dma_test_irq) called while not
waiting
Jun 11 00:31:30 athlon kernel: hda: status error: status=0x51 { DriveReady
SeekComplete Error }
Jun 11 00:31:30 athlon kernel: hda: status error: error=0x04 {
DriveStatusError }
Jun 11 00:31:30 athlon kernel: hda: no DRQ after issuing MULTWRITE
Jun 11 00:31:30 athlon kernel: hda: status error: status=0x51 { DriveReady
SeekComplete Error }
Jun 11 00:31:30 athlon kernel: hda: status error: error=0x04 {
DriveStatusError }
Jun 11 00:31:30 athlon kernel: hda: no DRQ after issuing MULTWRITE
Jun 11 00:31:30 athlon kernel: via_audio: ignoring drain playback error -11
Jun 11 00:31:30 athlon kernel: hda: status error: status=0x51 { DriveReady
SeekComplete Error }
Jun 11 00:31:30 athlon kernel: hda: status error: error=0x04 {
DriveStatusError }
Jun 11 00:31:30 athlon kernel: hda: no DRQ after issuing MULTWRITE
Jun 11 00:31:30 athlon kernel: hda: status error: status=0x51 { DriveReady
SeekComplete Error }
Jun 11 00:31:30 athlon kernel: hda: status error: error=0x04 {
DriveStatusError }
Jun 11 00:31:30 athlon kernel: hdb: DMA disabled
Jun 11 00:31:30 athlon kernel: hda: no DRQ after issuing WRITE
Jun 11 00:31:30 athlon kernel: ide0: reset: success
Jun 11 00:31:30 athlon kernel: blk: queue c029e0e0, I/O limit 4095Mb (mask
0xffffffff)
Jun 11 00:31:50 athlon kernel: hda: dma_timer_expiry: dma status == 0x21
Jun 11 00:32:05 athlon kernel: hda: timeout waiting for DMA
Jun 11 00:32:05 athlon kernel: hda: timeout waiting for DMA
Jun 11 00:32:05 athlon kernel: hda: (__ide_dma_test_irq) called while not
waiting
Jun 11 00:32:05 athlon kernel: hda: status error: status=0x58 { DriveReady
SeekComplete DataRequest }
Jun 11 00:32:05 athlon kernel:
Jun 11 00:32:05 athlon kernel: hda: drive not ready for command
Jun 11 00:32:05 athlon kernel: hda: status timeout: status=0xd0 { Busy }
Jun 11 00:32:05 athlon kernel:
Jun 11 00:32:05 athlon kernel: hda: drive not ready for command
Jun 11 00:32:05 athlon kernel: ide0: reset: success
Jun 11 00:32:25 athlon kernel: hda: dma_timer_expiry: dma status == 0x21
Jun 11 00:32:40 athlon kernel: hda: timeout waiting for DMA
Jun 11 00:32:40 athlon kernel: hda: timeout waiting for DMA
Jun 11 00:32:40 athlon kernel: hda: (__ide_dma_test_irq) called while not
waiting
Jun 11 00:32:40 athlon kernel: hda: status error: status=0x58 { DriveReady
SeekComplete DataRequest }
Jun 11 00:32:40 athlon kernel:
Jun 11 00:32:40 athlon kernel: hda: drive not ready for command
Jun 11 00:32:40 athlon kernel: hda: status timeout: status=0xd0 { Busy }
Jun 11 00:32:40 athlon kernel:
Jun 11 00:32:40 athlon kernel: hda: drive not ready for command
Jun 11 00:32:40 athlon kernel: ide0: reset: success
Jun 11 00:33:00 athlon kernel: hda: dma_timer_expiry: dma status == 0x21
Jun 11 00:33:15 athlon kernel: hda: timeout waiting for DMA
Jun 11 00:33:15 athlon kernel: hda: timeout waiting for DMA
Jun 11 00:33:15 athlon kernel: hda: (__ide_dma_test_irq) called while not
waiting
Jun 11 00:33:15 athlon kernel: hda: status error: status=0x58 { DriveReady
SeekComplete DataRequest }
Jun 11 00:33:15 athlon kernel:
Jun 11 00:33:15 athlon kernel: hda: drive not ready for command
Jun 11 00:33:15 athlon kernel: hda: status timeout: status=0xd0 { Busy }
Jun 11 00:33:15 athlon kernel:
Jun 11 00:33:15 athlon kernel: hda: drive not ready for command
Jun 11 00:33:15 athlon kernel: ide0: reset: success

During this time, the machine seemed to be dead. It reacts to nothing.


Afterwards, the hd had the following config:
/dev/hda:
multcount = 0 (off)
I/O support = 0 (32-bit)
unmaskirq = 0 (on)
using_dma = 0 (on)
keepsettings = 0 (off)
nowerr = 0 (off)
readonly = 0 (off)
readahead = 8 (on)
geometry = 2494/255/63, sectors = 40079088, start = 0

The systemload was very high while copying after this great hang.
It took a long time too to get this information from hdparm - I really
thought, the machine would be dead again.


this should be:

/dev/hda:
multcount = 16 (on)
I/O support = 1 (32-bit)
unmaskirq = 1 (on)
using_dma = 1 (on)
keepsettings = 0 (off)
nowerr = 0 (off)
readonly = 0 (off)
readahead = 8 (on)
geometry = 2494/255/63, sectors = 40079088, start = 0

I had to reboot to get this config running again because reconfigure didn't
work at all.


The other problem I reported some days ago: APIC is unuseable too (sound is
broken).
I tested therefore 2.4.21rc7-ac1: this kernel is totally broken when using
sound. The module crashes and the screen doesn't stop with printing kernel
oops'es. One logentry I found was in /var/log/messages:
Jun 8 20:10:49 athlon kernel: Unable to handle kernel paging request at
virtual address 2deb2120
Jun 10 20:10:49 athlon kernel: printing eip:
Jun 10 20:10:49 athlon kernel: df3de02b
Jun 10 20:10:49 athlon kernel: *pde = 00000000
Jun 10 20:10:49 athlon kernel: Oops: 0000
Jun 10 20:10:49 athlon kernel: CPU: 0

The sound-modules (ac97_codec, via82cxxx_audio) crashed during initializing
no matter if APIC was activated or not.


00:00.0 Host bridge: VIA Technologies, Inc. VT8366/A/7 [Apollo KT266/A/333]
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 d0000000 (32-bit, prefetchable) [size=128M]
Capabilities: [a0] AGP version 2.0
Status: RQ=31 SBA+ 64bit- FW+ Rate=x1,x2,x4
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. VT8366/A/7 [Apollo KT266/A/333
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
I/O behind bridge: 0000c000-0000cfff
Memory behind bridge: dc000000-ddffffff
Prefetchable memory behind bridge: d8000000-dbffffff
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-

00:09.0 Ethernet controller: Silicon Integrated Systems [SiS] SiS900 10/100
Ethernet (rev 02)
Subsystem: Silicon Integrated Systems [SiS] SiS900 10/100 Ethernet
Adapter
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: 32 (13000ns min, 2750ns max)
Interrupt: pin A routed to IRQ 5
Region 0: I/O ports at d000 [size=256]
Region 1: Memory at df022000 (32-bit, non-prefetchable) [size=4K]
Expansion ROM at <unassigned> [disabled] [size=128K]
Capabilities: [40] 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-

00:0b.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: 32 (8000ns min, 16000ns max)
Interrupt: pin A routed to IRQ 10
Region 0: I/O ports at d400 [size=256]
Region 1: Memory at df020000 (32-bit, non-prefetchable) [size=256]
Expansion ROM at <unassigned> [disabled] [size=64K]

00:0c.0 Ethernet controller: Intel Corp. 82557/8/9 [Ethernet Pro 100] (rev
0c)
Subsystem: Intel Corp. EtherExpress PRO/100 S Desktop Adapter
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: 32 (2000ns min, 14000ns max), cache line size 08
Interrupt: pin A routed to IRQ 11
Region 0: Memory at df021000 (32-bit, non-prefetchable) [size=4K]
Region 1: I/O ports at d800 [size=64]
Region 2: Memory at df000000 (32-bit, non-prefetchable) [size=128K]
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=2 PME-

00:10.0 USB Controller: VIA Technologies, Inc. USB (rev 80) (prog-if 00
[UHCI])
Subsystem: VIA Technologies, Inc. USB
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: 32, cache line size 08
Interrupt: pin A routed to IRQ 11
Region 4: I/O ports at dc00 [size=32]
Capabilities: [80] Power Management version 2
Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=375mA
PME(D0+,D1+,D2+,D3hot+,D3cold+)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-

00:10.1 USB Controller: VIA Technologies, Inc. USB (rev 80) (prog-if 00
[UHCI])
Subsystem: VIA Technologies, Inc. USB
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: 32, cache line size 08
Interrupt: pin B routed to IRQ 5
Region 4: I/O ports at e000 [size=32]
Capabilities: [80] Power Management version 2
Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=375mA
PME(D0+,D1+,D2+,D3hot+,D3cold+)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-

00:10.2 USB Controller: VIA Technologies, Inc. USB (rev 80) (prog-if 00
[UHCI])
Subsystem: VIA Technologies, Inc. USB
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: 32, cache line size 08
Interrupt: pin C routed to IRQ 11
Region 4: I/O ports at e400 [size=32]
Capabilities: [80] Power Management version 2
Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=375mA
PME(D0+,D1+,D2+,D3hot+,D3cold+)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-

00:10.3 USB Controller: VIA Technologies, Inc. USB 2.0 (rev 82) (prog-if 20
[EHCI])
Subsystem: VIA Technologies, Inc. USB 2.0
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: 32, cache line size 08
Interrupt: pin D routed to IRQ 10
Region 0: Memory at df023000 (32-bit, non-prefetchable) [size=256]
Capabilities: [80] Power Management version 2
Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=375mA
PME(D0+,D1+,D2+,D3hot+,D3cold+)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-

00:11.0 ISA bridge: VIA Technologies, Inc. VT8235 ISA Bridge
Subsystem: VIA Technologies, Inc. VT8235 ISA Bridge
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
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-

00:11.1 IDE interface: VIA Technologies, Inc.
VT82C586A/B/VT82C686/A/B/VT8233/A/C/VT8235 PIPC Bus Master IDE (rev 06)
(prog-if 8a [Master SecP PriP])
Subsystem: VIA Technologies, Inc.
VT82C586/B/VT82C686/A/B/VT8233/A/C/VT8235 PIPC Bus Master IDE
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: 32
Interrupt: pin A routed to IRQ 0
Region 4: I/O ports at e800 [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-

00:11.5 Multimedia audio controller: VIA Technologies, Inc. VT8233/A/8235
AC97 Audio Controller (rev 50)
Subsystem: Unknown device 1695:3005
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 11
Region 0: I/O ports at ec00 [size=256]
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: ATI Technologies Inc Rage 128 PF/PRO AGP
4x TMDS (prog-if 00 [VGA])
Subsystem: ATI Technologies Inc Rage Fury Pro/Xpert 2000 Pro
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: 32 (2000ns min), cache line size 08
Interrupt: pin A routed to IRQ 11
Region 0: Memory at d8000000 (32-bit, prefetchable) [size=64M]
Region 1: I/O ports at c000 [size=256]
Region 2: Memory at dd000000 (32-bit, non-prefetchable) [size=16K]
Expansion ROM at <unassigned> [disabled] [size=128K]
Capabilities: [50] AGP version 2.0
Status: RQ=31 SBA+ 64bit- FW- Rate=x1,x2,x4
Command: RQ=0 SBA+ AGP- 64bit- FW- Rate=<none>
Capabilities: [5c] 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-



Kind regards,
Andreas Hartmann
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