Hello,

Marcin Jessa --> current-users (2006-01-24 09:17:12)
> After I rebuilt my kernel yesterday I got this strange piixide message
> about lost interrupt in my dmesg. Any idea what it may be?

I just rebuilt my (GENERIC & APM) kernel, and on the next reboot I
noticed the same problem:

[...]
viaide0 at pci0 dev 17 function 1
viaide0: VIA Technologies VT8235 ATA133 controller
viaide0: bus-master DMA support present
viaide0: primary channel configured to compatibility mode
viaide0: primary channel interrupting at irq 14
atabus0 at viaide0 channel 0
viaide0: secondary channel configured to compatibility mode
viaide0: secondary channel interrupting at irq 15
atabus1 at viaide0 channel 1
[...]
Kernelized RAIDframe activated
wd0 at atabus0 drive 0: <HDS728080PLAT20>
wd0: drive supports 16-sector PIO transfers, LBA48 addressing
wd0: 78533 MB, 159560 cyl, 16 head, 63 sec, 512 bytes/sect x 160836480 sectors
wd0: 32-bit data port
wd0: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 6 (Ultra/133)
wd0(viaide0:0:0): using PIO mode 4, Ultra-DMA mode 6 (Ultra/133) (using DMA)
atapibus0 at atabus1: 2 targets
viaide0:1:1: lost interrupt
	type: ata tc_bcount: 512 tc_skip: 0
cd0 at atapibus0 drive 1: <PLEXTOR CD-R   PX-W4012A, 438146, 1.05> cdrom removable
viaide0:1:1: lost interrupt
	type: ata tc_bcount: 512 tc_skip: 0
viaide0:1:1: lost interrupt
	type: ata tc_bcount: 512 tc_skip: 0
cd0: 32-bit data port
cd0: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 2 (Ultra/33)
wd1 at atabus1 drive 0: <HDS728080PLAT20>
wd1: drive supports 16-sector PIO transfers, LBA48 addressing
wd1: 78533 MB, 159560 cyl, 16 head, 63 sec, 512 bytes/sect x 160836480 sectors
wd1: 32-bit data port
wd1: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 6 (Ultra/133)
wd1(viaide0:1:0): using PIO mode 4, Ultra-DMA mode 6 (Ultra/133) (using DMA)
cd0(viaide0:1:1): using PIO mode 4, Ultra-DMA mode 2 (Ultra/33) (using DMA)
raid0: RAID Level 1
raid0: Components: /dev/wd0a /dev/wd1a
raid0: Total Sectors: 120103040 (58644 MB)
[...]

I've never seen lost interrupts with this machine. I've noticed some
recent ata.c and wdc.c changes. Could one of them be the culprit?


Regards, Jukka

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