hda irq timeout

[Shyam_Iyer at Dell.com]

Yes. Dma setting looks like the culprit. The bios seems to set the hda
to "dma" but the kernel ide driver is disabling it.
 
David -Could you try enable dma on you hda device using hdparm and
report the results here. Also, is the DVD firmware updated?
 
Thanks
Shyam Iyer
Dell Linux Engineering

________________________________

From: linux-poweredge-bounces at dell.com
[mailto:linux-poweredge-bounces at dell.com] On Behalf Of
christian.peper at kpn.com
Sent: Wednesday, December 03, 2008 1:52 PM
To: linux-poweredge-Lists
Subject: RE: hda irq timeout


Yes we have that too! Haven't been able to put my finger on this yet. I
reported it to this list:
http://lists.us.dell.com/pipermail/linux-poweredge/2008-September/037352
.html
 
We're using RHEL AS 4u5 x86_64. Oh and it's unpatched (i.e. not using
el4_u5_patch). I should actually try to bring it upto patch and see if
that fixes it.
 
Didn't used to get that error, at least not as often. Lately we do.
All I could find was something related to DMA settings and/or ACPI.
 
I've found various reports of this error, always in relation to RHEL
4u5, 6 or 7.
http://osdir.com/ml/linux.redhat.release.rhel5/2008-06/msg00111.html
http://linux.derkeiler.com/Mailing-Lists/RedHat/2008-11/msg00108.html
 
Christian.
 


________________________________

	From: linux-poweredge-bounces at dell.com
[mailto:linux-poweredge-bounces at dell.com] On Behalf Of David Reta
	Sent: Tuesday, December 02, 2008 11:43 PM
	To: linux-poweredge at dell.com
	Subject: hda: irq timeout
	
	

	Hello,

	 

	We have a 2950 III running Redat AS 4.6 I386.

	 

	Under heavy load we get the following irq timeouts and ATAPI
reset in our syslog. 

	 

	[root at qa2950-1 ~]# dmesg | grep hda

	    ide0: BM-DMA at 0xfc00-0xfc07, BIOS settings: hda:DMA,
hdb:pio

	hda: TEAC DVD-ROM DV28EV, ATAPI CD/DVD-ROM drive

	hda: ATAPI 24X DVD-ROM drive, 198kB Cache, UDMA(33)

	hda: DMA disabled

	hda: irq timeout: status=0xd0 { Busy }

	hda: irq timeout: error=0x00

	hda: ATAPI reset complete

	hda: irq timeout: status=0xd0 { Busy }

	hda: irq timeout: error=0x00

	hda: ATAPI reset complete

	hda: irq timeout: status=0x

	 

	We have tried disabling hal daemon and have updated all
firmware. I have a case open with Dell but they are not helping much.
Has anyone seen anything like this? 

	 

	Regards,

	David Reta

	 

	Systems Engineer

	Narus Inc.

	650-230-9338

	510-921-6651 (C)

	 

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