i386/157460: system hungup while fsck background check

[Eugen Konkov]

>Number:         157460
>Category:       i386
>Synopsis:       system hungup while fsck background check
>Confidential:   no
>Severity:       critical
>Priority:       high
>Responsible:    freebsd-i386
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Tue May 31 11:50:04 UTC 2011
>Closed-Date:
>Last-Modified:
>Originator:     Eugen Konkov
>Release:        9-0 Current
>Organization:
ISP FreeLine
>Environment:
# uname -a
FreeBSD flux 9.0-CURRENT FreeBSD 9.0-CURRENT #1: Wed May 18 23:23:04 UTC 2011     @:/usr/obj/usr/src/sys/PAE_KES  i386

>Description:
after hard reboot system hungup by fsck.

Disks   ad0                                        221724 wire
KB/t  16.00                                         35632 act
tps      74                                       1434204 inact
MB/s   1.16                                          2612 cache
%busy   100                                       2297564 free


# top
last pid: 57757;  load averages:  0.00,  0.00,  0.03    up 0+02:10:39  14:34:04
51 processes:  1 running, 49 sleeping, 1 zombie
CPU:  0.0% user,  0.0% nice,  0.5% system,  0.5% interrupt, 99.1% idle
Mem: 35M Active, 1401M Inact, 217M Wired, 2612K Cache, 112M Buf, 2243M Free
Swap: 4096M Total, 4096M Free

  PID USERNAME  THR PRI NICE   SIZE    RES STATE   C   TIME   WCPU COMMAND
 1464 root        1  36    0  9568K  1196K snaprd  3   0:10  0.00% fsck_ufs
 1443 adm         1  36    0 15696K  4860K select  2   0:03  0.00% sshd
 1451 root        1  36    0 13136K  5084K select  1   0:01  0.00% mc
 2210 adm         1  36    0 15696K  4792K select  3   0:00  0.00% sshd
 1345 root        1  36    0 11336K  3520K select  2   0:00  0.00% sendmail
 2199 root        1  36    0 15696K  4780K sbwait  3   0:00  0.00% sshd
 1439 root        1  36    0 15696K  4760K sbwait  1   0:00  0.00% sshd
57753 root        1  36    0  9952K  2080K CPU1    1   0:00  0.00% top
57679 root        1  36    0  8032K   820K snaplk  3   0:00  0.00% config
57728 root        1  37    0 15696K  4780K sbwait  2   0:00  0.00% sshd
 2214 root        1  36    0 10896K  3004K ppwait  1   0:00  0.00% csh
57731 adm         1  36    0 15696K  4788K select  2   0:00  0.00% sshd
 1452 root        1  36    0 10896K  3008K pause   0   0:00  0.00% csh
 1013 root        1  36    0  9624K  1460K select  0   0:00  0.00% syslogd

flux# kill -TERM 1464
flux# kill -TERM 1464
flux#
flux#
flux# kill -TERM 1464
flux#
flux#
flux# kill -TERM 1464
flux# kill -TERM 1464
flux# kill -TERM 1464
flux# kill -TERM 1464
flux# kill -TERM 1464
# man kill


^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C
****CONSOLE HUNGS UP ((((
any disk usage cause program to stop. It is even impossible to kill -KILL that process.

It is impossible to shutdown computer. It syncyng disks foreever.
>How-To-Repeat:
hard reboot. HDD is sumsung 2TB

>Fix:


>Release-Note:
>Audit-Trail:
>Unformatted: