Package: linux-2.6
Version: 2.6.16-2

Hi,

I'm getting the following error messages:
Losing some ticks... checking if CPU frequency changed.
warning: many lost ticks.
Your time source seems to be instable or some driver is hogging interupts
rip default_idle+0x2d/0x58


This is with a linux-image-2.6.16-1-amd64-k8 2.6.16-2.

I have a raid 0 with 4 disks in it on an sata_sil.  When I start reading
a large file (dvd iso image) I get the above message.

>From the dmesg:
Using local APIC timer interrupts.
result 12528683
Detected 12.528 MHz APIC timer.
[...]
libata version 1.20 loaded.
sata_sil 0000:01:0c.0: version 0.9
GSI 16 sharing vector 0xA9 and IRQ 16
ACPI: PCI Interrupt 0000:01:0c.0[A] -> GSI 17 (level, low) -> IRQ 169
sata_sil 0000:01:0c.0: Applying R_ERR on DMA activate FIS errata fix
ata1: SATA max UDMA/100 cmd 0xFFFFC20000006C80 ctl 0xFFFFC20000006C8A bmdma 
0xFFFFC20000006C00 irq 169
ata2: SATA max UDMA/100 cmd 0xFFFFC20000006CC0 ctl 0xFFFFC20000006CCA bmdma 
0xFFFFC20000006C08 irq 169
ata3: SATA max UDMA/100 cmd 0xFFFFC20000006E80 ctl 0xFFFFC20000006E8A bmdma 
0xFFFFC20000006E00 irq 169
ata4: SATA max UDMA/100 cmd 0xFFFFC20000006EC0 ctl 0xFFFFC20000006ECA bmdma 
0xFFFFC20000006E08 irq 169
ata1: SATA link up 1.5 Gbps (SStatus 113)
ata1: dev 0 cfg 49:2f00 82:74eb 83:7fea 84:4023 85:74e9 86:3c02 87:4023 88:203f
ata1: dev 0 ATA-6, max UDMA/100, 241254720 sectors: LBA48
ata1: dev 0 configured for UDMA/100
scsi0 : sata_sil
ata2: SATA link up 1.5 Gbps (SStatus 113)
[...]

This is a Tyan S2850 Tomcat K8S board.

I think this is a problem with the sata_sil driver.

Feel free to ask for more info.


Kurt



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