Re: kern/46596: ehci interrupt storm

[Andreas Gustafsson <gson%gson.org@localhost>]

The following reply was made to PR kern/46596; it has been noted by GNATS.

From: Andreas Gustafsson <gson%gson.org@localhost>
To: gnats-bugs%netbsd.org@localhost
Cc: 
Subject: Re: kern/46596: ehci interrupt storm
Date: Tue, 18 Dec 2012 11:54:38 +0200

 The problem persists after upgrading to 6.0.  In about six days of
 uptime, my machine has racked up more than 127 billion (!) interrupts:
 
   $ vmstat -i
   interrupt                                     total     rate
   TLB shootdown                             165106920      322
   cpu0 timer                                 51120744       99
   ioapic0 pin 20                              4313163        8
   ioapic0 pin 16                         127086316826   248509
   ioapic0 pin 17                                    1        0
   ioapic0 pin 18                                86758        0
   ioapic0 pin 23                                  872        0
   ioapic0 pin 19                             20469816       40
   Total                                  127327415100   248981
 
   $ dmesg | grep 'pin 16'
   ehci0: interrupting at ioapic0 pin 16
 
 -- 
 Andreas Gustafsson, gson%gson.org@localhost