too much work for IRQ19

bogz13092 · 05-13-2011, 09:41 AM

I've got this problem since I started using Linux a couple of days ago. It occurs during log-in session and creating a lag as a result. Then, the dos-like screen flashes out saying that "too much work for IRQ 19"..

Obviously, I don't know what's going on.

Is it right to just keep the problem as it is or should this be resolved?

corp769 · 05-13-2011, 10:26 AM

Hello,

This would be definitely a hardware problem. Have you done any hardware modifications lately? Also, what distro are you using, and are you using a desktop or laptop? You need to provide us with a lot more details since this is a hardware issue.

Cheers,

Josh

H_TeXMeX_H · 05-13-2011, 10:43 AM

Run this in a terminal and post the output:

Code:

cat /proc/interrupts

bogz13092 · 05-16-2011, 04:34 AM

1: 2 0 IO-APIC-edge i8042
6: 19 20 IO-APIC-edge floppy
7: 0 0 IO-APIC-edge parport0
8: 0 1 IO-APIC-edge rtc0
9: 0 0 IO-APIC-fasteoi acpi
12: 1 3 IO-APIC-edge i8042
14: 0 0 IO-APIC-edge ata_piix
15: 0 0 IO-APIC-edge ata_piix
16: 25574 38 IO-APIC-fasteoi uhci_hcd:usb5
18: 264 1600712 IO-APIC-fasteoi uhci_hcd:usb4
19: 262928 2127 IO-APIC-fasteoi ata_piix, uhci_hcd:usb3
23: 2 2 IO-APIC-fasteoi ehci_hcd:usb1, uhci_hcd:usb2
42: 89 1521476 PCI-MSI-edge eth0
43: 15 1165969 PCI-MSI-edge i915
44: 203 21085 PCI-MSI-edge hda_intel
NMI: 0 0 Non-maskable interrupts
LOC: 10863918 11408483 Local timer interrupts
SPU: 0 0 Spurious interrupts
PMI: 0 0 Performance monitoring interrupts
PND: 0 0 Performance pending work
RES: 1462934 1367275 Rescheduling interrupts
CAL: 158 131 Function call interrupts
TLB: 376345 157467 TLB shootdowns
TRM: 0 0 Thermal event interrupts
THR: 0 0 Threshold APIC interrupts
MCE: 0 0 Machine check exceptions
MCP: 78 78 Machine check polls
ERR: 1
MIS: 0

Here's the result.

H_TeXMeX_H · 05-16-2011, 04:45 AM

For IRQ 19:

Code:

19: 262928 2127 IO-APIC-fasteoi ata_piix, uhci_hcd:usb3

What HDD do you have, is it SATA ? If so try going into the BIOS and putting the SATA controller in AHCI mode.

sundialsvcs · 05-16-2011, 08:30 AM

This kind of message is reporting a symptom (of something...), from the point-of-view of the computer. Clearly the number of interrupts that are coming in on IRQ #19 appear to be "a serious outlier," and thus possibly indicative of a (probably hardware...) problem or mis-configuration. But they don't tell you what the true cause is.

Things to consider:

Examine the system error logs.
Use smart to analyze the disk drives for self-reported errors.

I would recommend treating this condition very seriously, as a likely bellwether of imminent system failure. "Something off the portside of the bow just went 'boom,' and something off to starboard just went 'splash.'"