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Bug#395031: marked as done (Kernel complains about DMA)



Your message dated Tue, 24 Oct 2006 18:12:50 +0200
with message-id <20061024161250.GC6713@baikonur.stro.at>
and subject line Bug#395031: Kernel complains about DMA
has caused the attached Bug report to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what I am
talking about this indicates a serious mail system misconfiguration
somewhere.  Please contact me immediately.)

Debian bug tracking system administrator
(administrator, Debian Bugs database)

--- Begin Message ---
Package: kernel-image-2.6.8-3-386
Version: 2.6.8-16sarge5

When booting the abovementioned kernel on a friends laptop, it shows errors when
trying to initialize the IDE controller. When showing the errors, it waits for
quite some time, increasing the boottime with about a minute (raw guestimate).

The laptop is a Dell Lattitude xpi cd p150st and it is running the current
Debian stable.

Oct 24 11:00:24 localhost kernel: Linux version 2.6.8-3-386 (root@lart) (gcc
version 3.3.5 (Debian 1:3.3.5-13)) #1 Sat Jul 15 09:26:40 UTC 2006
Oct 24 11:00:24 localhost kernel: BIOS-provided physical RAM map:
Oct 24 11:00:24 localhost kernel:  BIOS-e820: 0000000000000000 - 00000000000a0000 (usable)
Oct 24 11:00:24 localhost kernel:  BIOS-e820: 0000000000100000 - 0000000003000000 (usable)
Oct 24 11:00:24 localhost kernel: 48MB LOWMEM available.
Oct 24 11:00:24 localhost kernel: On node 0 totalpages: 12288
Oct 24 11:00:24 localhost kernel:   DMA zone: 4096 pages, LIFO batch:1
Oct 24 11:00:24 localhost kernel:   Normal zone: 8192 pages, LIFO batch:2
Oct 24 11:00:24 localhost kernel:   HighMem zone: 0 pages, LIFO batch:1
Oct 24 11:00:24 localhost kernel: DMI not present.
Oct 24 11:00:24 localhost kernel: ACPI: Unable to locate RSDP
Oct 24 11:00:24 localhost kernel: Built 1 zonelists
Oct 24 11:00:24 localhost kernel: Kernel command line: root=/dev/hda1 ro
Oct 24 11:00:24 localhost kernel: No local APIC present or hardware disabled
Oct 24 11:00:24 localhost kernel: Initializing CPU#0
Oct 24 11:00:24 localhost kernel: PID hash table entries: 256 (order 8: 2048 bytes)
Oct 24 11:00:24 localhost kernel: Detected 150.429 MHz processor.
Oct 24 11:00:24 localhost kernel: Using tsc for high-res timesource
...
Oct 24 11:00:25 localhost kernel: SCSI subsystem initialized
Oct 24 11:00:25 localhost kernel: libata version 1.02 loaded.
Oct 24 11:00:25 localhost kernel: Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2
Oct 24 11:00:25 localhost kernel: ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
Oct 24 11:00:25 localhost kernel: CMD643: IDE controller at PCI slot 0000:00:08.0
Oct 24 11:00:25 localhost kernel: CMD643: chipset revision 0
Oct 24 11:00:25 localhost kernel: CMD643: not 100%% native mode: will probe irqs later
Oct 24 11:00:25 localhost kernel: CMD643: simplex device: DMA forced
Oct 24 11:00:25 localhost kernel:     ide0: BM-DMA at 0xfe00-0xfe07, BIOS settings: hda:pio, hdb:pio
Oct 24 11:00:25 localhost kernel:     ide1: BM-DMA at 0xfe08-0xfe0f, BIOS settings: hdc:pio, hdd:pio
Oct 24 11:00:25 localhost kernel: hda: IBM-DCRA-22160, ATA DISK drive
Oct 24 11:00:25 localhost kernel: Using anticipatory io scheduler
Oct 24 11:00:25 localhost kernel: ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
Oct 24 11:00:25 localhost kernel: hda: max request size: 128KiB
Oct 24 11:00:25 localhost kernel: hda: 4233600 sectors (2167 MB) w/96KiB Cache, CHS=4200/16/63, DMA
Oct 24 11:00:25 localhost kernel:  /dev/ide/host0/bus0/target0/lun0:<4>hda: dma_timer_expiry: dma status == 0x24
Oct 24 11:00:25 localhost kernel: hda: DMA timeout error
Oct 24 11:00:25 localhost kernel: hda: dma timeout error: status=0x50 { DriveReady SeekComplete }
Oct 24 11:00:25 localhost kernel:
Oct 24 11:00:25 localhost kernel:  p1 p2 <<4>hda: dma_timer_expiry: dma status == 0x24
Oct 24 11:00:25 localhost kernel: hda: DMA timeout error
Oct 24 11:00:25 localhost kernel: hda: dma timeout error: status=0x50 { DriveReady SeekComplete }
Oct 24 11:00:25 localhost kernel:
Oct 24 11:00:25 localhost kernel:  p5 >
Oct 24 11:00:25 localhost kernel: hdc: CD-ROM CDR-N16D, ATAPI CD/DVD-ROM drive
Oct 24 11:00:25 localhost kernel: ide1 at 0x170-0x177,0x376 on irq 15
Oct 24 11:00:25 localhost kernel: ide2: I/O resource 0x3EE-0x3EE not free.
Oct 24 11:00:25 localhost kernel: ide2: ports already in use, skipping probe
Oct 24 11:00:25 localhost kernel: hda: dma_timer_expiry: dma status == 0x24
Oct 24 11:00:25 localhost kernel: hda: DMA timeout error
Oct 24 11:00:25 localhost kernel: hda: dma timeout error: status=0x50 { DriveReady SeekComplete }
Oct 24 11:00:25 localhost kernel:
Oct 24 11:00:25 localhost kernel: hda: dma_timer_expiry: dma status == 0x24
Oct 24 11:00:25 localhost kernel: hda: DMA timeout error
Oct 24 11:00:25 localhost kernel: hda: dma timeout error: status=0x50 { DriveReady SeekComplete }
Oct 24 11:00:25 localhost kernel:
Oct 24 11:00:25 localhost kernel: EXT3-fs: INFO: recovery required on readonly filesystem.
Oct 24 11:00:25 localhost kernel: EXT3-fs: write access will be enabled during recovery.
Oct 24 11:00:25 localhost kernel: kjournald starting.  Commit interval 5 seconds
...

For now, I've compiled a 2.6.19-rc3 kernel without DMA support which boots fine
(and fast). I'm about to test a 2.6.19-rc3 kernel _with_ DMA to see if the bug
has been fixed sometime after the 2.6.8 kernels.

With friendly regards,
Takis

-- 
vCard: http://www.issaris.be/pi.vcf
Public key: http://www.issaris.be/pi.key


--- End Message ---
--- Begin Message ---
On Tue, Oct 24, 2006 at 04:30:50PM +0200, Panagiotis Issaris wrote:
> When booting the abovementioned kernel on a friends laptop, it shows errors when
> trying to initialize the IDE controller. When showing the errors, it waits for
> quite some time, increasing the boottime with about a minute (raw guestimate).
> 
> The laptop is a Dell Lattitude xpi cd p150st and it is running the current
> Debian stable.

that is an unfortunate hardware interaction,
but does not warrant the search for a backport.

please take a look at the backports.org linux images they
should provide you with a much better up to date support.
http://www.backports.org/

regards

-- 
maks

--- End Message ---

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