Re: [Xen-devel] Problems with DMA in xen0

[Matthias Hofherr <matthias_hofherr@xxxxxxxx>]

On Thursday 21 October 2004 10:26, Christian Limpach wrote:
[...]
> Could you compare the relevant parts of Linux' dmesg output between a
> Xen boot and a non-Xen boot?

Here the relevant parts:

-------------------------------------
Linux version 2.6.8.1-xen0 (root@snortcentral6) (gcc version 3.3.3 (Debian 
20040401)) #1 Thu Oct 21 08:55:55 CEST 2004
Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2
ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
hda: IC35L120AVV207-0, ATA DISK drive
hdb: TOSHIBA ODD-DVD SD-M1802, ATAPI CD/DVD-ROM drive
ide1: I/O resource 0x170-0x177 not free.
ide1: ports already in use, skipping probe
ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
hda: max request size: 1024KiB
hda: 241254720 sectors (123522 MB) w/1821KiB Cache, CHS=16383/255/63
 hda: hda1 hda2 hda3 hda4
hdb: ATAPI 48X DVD-ROM drive, 256kB Cache
ata_piix version 1.02
ata_piix: combined mode detected
PCI: Obtained IRQ 18 for device 0000:00:1f.2
ata: 0x1f0 IDE port busy
PCI: Setting latency timer of device 0000:00:1f.2 to 64
scsi0 : ata_piix
-------------------------------------
Linux version 2.6.7 (root@snortcentral6) (gcc version 3.3.3 (Debian 20040401)) 
#1 SMP Mon Aug 30 17:26:05 CEST 2004
Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2
ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
ICH5-SATA: IDE controller at PCI slot 0000:00:1f.2
ICH5-SATA: chipset revision 2
ICH5-SATA: not 100% native mode: will probe irqs later
    ide0: BM-DMA at 0xfc00-0xfc07, BIOS settings: hda:DMA, hdb:DMA
    ide1: BM-DMA at 0xfc08-0xfc0f, BIOS settings: hdc:pio, hdd:pio
hda: IC35L120AVV207-0, ATA DISK drive
hdb: TOSHIBA ODD-DVD SD-M1802, ATAPI CD/DVD-ROM drive
ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
hda: max request size: 1024KiB
hda: 241254720 sectors (123522 MB) w/1821KiB Cache, CHS=16383/255/63, 
UDMA(100)
 hda: hda1 hda2 hda3 hda4
hdb: ATAPI 48X DVD-ROM drive, 256kB Cache, UDMA(33)
-------------------------------------


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