Re: 2.5.67-ac1 IDE trouble

[Maciej Soltysiak]

> Hi Alan,
>
> In recent 2.5. kernels I see a few messages like this during heavy I/O load:
I have been getting similar too on non -ac kernels.

Apr  9 18:59:05 pysiak kernel: hdb: dma_timer_expiry: dma status == 0x64
Apr  9 18:59:05 pysiak kernel: hdb: lost interrupt
Apr  9 18:59:05 pysiak kernel: hdb: dma_intr: bad DMA status (dma_stat=70)
Apr  9 18:59:05 pysiak kernel: hdb: dma_intr: status=0x50 { DriveReady SeekComplete }

Some more info:

Linux version 2.5.67 (root@pysiak) (gcc version 3.2.3 20030331 (Debian prerelease)) #4 Tue Apr 8 14:22:49 CEST 2003
Linux Plug and Play Support v0.96 (c) Adam Belay
PnPBIOS: Scanning system for PnP BIOS support...
PnPBIOS: Found PnP BIOS installation structure at 0xc00fbc10
PnPBIOS: PnP BIOS version 1.0, entry 0xf0000:0xbc40, dseg 0xf0000
PnPBIOS: 18 nodes reported by PnP BIOS; 18 recorded by driver
block request queues:
 128 requests per read queue
 128 requests per write queue
 8 requests per batch
 enter congestion at 15
 exit congestion at 17
PCI: Probing PCI hardware (bus 00)
Transparent bridge - Intel Corp. 82801BA/CA/DB PCI Br
PCI: Using IRQ router PIIX [8086/2440] at 00:1f.0
Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2
ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
ICH2: IDE controller at PCI slot 00:1f.1
ICH2: chipset revision 18
ICH2: not 100% native mode: will probe irqs later
    ide0: BM-DMA at 0xf000-0xf007, BIOS settings: hda:DMA, hdb:DMA
    ide1: BM-DMA at 0xf008-0xf00f, BIOS settings: hdc:DMA, hdd:pio
hda: IC35L020AVER07-0, ATA DISK drive
hdb: WDC WD200BB-00CLB0, ATA DISK drive
ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
hdc: CD-950E/TKU, ATAPI CD/DVD-ROM drive
ide1 at 0x170-0x177,0x376 on irq 15
hda: host protected area => 1
hda: 40188960 sectors (20577 MB) w/1916KiB Cache, CHS=39870/16/63, UDMA(100)
 hda: hda1 hda2 hda3
hdb: host protected area => 1
hdb: 39102336 sectors (20020 MB) w/2048KiB Cache, CHS=38792/16/63, UDMA(100)
 hdb: hdb1
hdc: ATAPI 50X CD-ROM drive, 128kB Cache, UDMA(33)
Uniform CD-ROM driver Revision: 3.12

00:00.0 Host bridge: Intel Corp. 82845 845 (Brookdale) Chipset Host Bridge (rev 03)
00:01.0 PCI bridge: Intel Corp. 82845 845 (Brookdale) Chipset AGP Bridge (rev 03)
00:1e.0 PCI bridge: Intel Corp. 82801BA/CA/DB PCI Bridge (rev 12)
00:1f.0 ISA bridge: Intel Corp. 82801BA ISA Bridge (LPC) (rev 12)
00:1f.1 IDE interface: Intel Corp. 82801BA IDE U100 (rev 12)
00:1f.2 USB Controller: Intel Corp. 82801BA/BAM USB (Hub #1) (rev 12)
00:1f.3 SMBus: Intel Corp. 82801BA/BAM SMBus (rev 12)
00:1f.4 USB Controller: Intel Corp. 82801BA/BAM USB (Hub #2) (rev 12)
00:1f.5 Multimedia audio controller: Intel Corp. 82801BA/BAM AC'97 Audio (rev 12)
01:00.0 VGA compatible controller: nVidia Corporation NV11 [GeForce2 MX/MX 400] (rev b2)
02:02.0 Ethernet controller: 3Com Corporation 3c905C-TX/TX-M [Tornado] (rev 74)
02:03.0 Ethernet controller: 3Com Corporation 3c905C-TX/TX-M [Tornado] (rev 74)

Regards,
Maciej