kern/166568: [ULE] intr stucked in WAIT state

Oliver Pinter pinter at tresorium.hu
Mon Apr 2 04:20:11 UTC 2012


>Number:         166568
>Category:       kern
>Synopsis:       [ULE] intr stucked in WAIT state
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Mon Apr 02 04:20:10 UTC 2012
>Closed-Date:
>Last-Modified:
>Originator:     Oliver Pinter
>Release:        FreeBSD 9.0-STABLE amd64
>Organization:
Tresorium Ltd.
>Environment:
System: FreeBSD opn 9.0-STABLE FreeBSD 9.0-STABLE #44 r233763+8676c89: Mon Apr 
2 05:17:04 CEST 2012 root at opn:/usr/obj/usr/src/sys/stable amd64


	
>Description:
last pid: 16662;  load averages:  1.02,  0.99,  0.97  up 0+01:28:12    
05:08:46
99 processes:  2 running, 96 sleeping, >>>>>>>>> 1 waiting <<<<<<<<<<
Mem: 167M Active, 768M Inact, 455M Wired, 1156K Cache, 258M Buf, 2440M Free
Swap: 4096M Total, 4096M Free



  PID USERNAME    THR PRI NICE   SIZE    RES STATE   C   TIME   WCPU COMMAND
   11 root          2 155 ki31     0K    32K CPU1    1 148:42 200.00% [idle]
   16 root          1 -16    -     0K    16K tzpoll  0   3:33  3.86% 
[acpi_therm
al]
25912 root          1  20    0   452M   330M select  0   1:04  
0.00% /usr/local/
bin/X -nolisten tcp -retro :0 -auth /var/lib/xd
>How-To-Repeat:
	compile 9-STABLE and boot
>Fix:
revert r233599

commit 1d9c514e52cc2aa97852f8ea946f28f6df62ab3a
Author: mav <mav at ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f>
Date:   Wed Mar 28 11:37:06 2012 +0000

    MFC r232207, r232454:
    Rework CPU load balancing in SCHED_ULE:

    [...]

    git-svn-id: svn://svn.freebsd.org/base/stable/9@233599 
ccf9f872-aa2e-dd11-9f




>Release-Note:
>Audit-Trail:
>Unformatted:
 >>>>>>>>>>>>>>>>>>>>>
    12 root         17 -53    -     0K   272K WAIT    1   0:46  0.00% [intr]
 <<<<<<<<<<<<<<<<<<<<<
     0 root         11 -52    0     0K   176K -       1   0:24  0.00% [kernel]
 


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