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Date: Mon, 26 Jul 2004 19:14:00 GMT
From: Randy Bush <randy@psg.com>
To: freebsd-gnats-submit@FreeBSD.org
Subject: panic: Assertion td->td_turnstile
X-Send-Pr-Version: www-2.3

>Number:         69629
>Category:       kern
>Synopsis:       [panic] Assertion td->td_turnstile
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          closed
>Quarter:        
>Keywords:       
>Date-Required:  
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Mon Jul 26 19:20:21 GMT 2004
>Closed-Date:    Sun Mar 02 01:07:09 UTC 2008
>Last-Modified:  Sun Mar 02 01:07:09 UTC 2008
>Originator:     Randy Bush
>Release:        FreeBSD psg.com 5.2-CURRENT FreeBSD 5.2-CURRENT #8: Mon Jul 26 18:40:38 GMT 200
>Organization:
IIJ
>Environment:
FreeBSD psg.com 5.2-CURRENT FreeBSD 5.2-CURRENT #8: Mon Jul 26 18:40:38 GMT 200
>Description:
panic: Assertion td->td_turnstile != NULL failed at /usr/src/sys/kern/subr_turnstile.c:478
cpuid = 0; 
KDB: enter: panic
[thread 100340]
Stopped at      kdb_enter+0x30: movl    %ebp,%esp
db> trace
kdb_enter(c05f8022,0,c05f4cb4,df14faa8,100) at kdb_enter+0x30
panic(c05f4cb4,c05fb006,c05fadea,1de,c064d588) at panic+0x156
turnstile_wait(c2142a00,c0642980,c27b89a0,20e,c26d4dc0) at turnstile_wait+0x2ac
_mtx_lock_sleep(c0642980,0,c05f4d75,cc,c26d4dc0) at _mtx_lock_sleep+0x195
_mtx_lock_flags(c0642980,0,c05f4d75,cc,1) at _mtx_lock_flags+0xb2
cv_wait_sig(c0672e24,c0672e00,c05fbc70,2ee,4) at cv_wait_sig+0x2f4
kern_select(c26d4dc0,4,bfbfed10,0,0) at kern_select+0x516
select(c26d4dc0,df14fd14,14,431,5) at select+0x66
syscall(835002f,2f,a7f002f,835b000,0) at syscall+0x2a0
Xint0x80_syscall() at Xint0x80_syscall+0x1f
--- syscall (93, FreeBSD ELF32, select), eip = 0x284e3fbf, esp = 0xbfbfe8bc, ebp = 0xbfbfe8f8 ---

>How-To-Repeat:
invariants and witness on
>Fix:
      
>Release-Note:
>Audit-Trail:

From: Randy Bush <randy@psg.com>
To: freebsd-gnats-submit@FreeBSD.org
Cc:  
Subject: Re: kern/69629: panic: Assertion td->td_turnstile
Date: Tue, 27 Jul 2004 10:21:57 -1000

 problem occurrs with and without smp.  problem is persistent
 and reproducable.  machine can not stay up for three hours.
 
State-Changed-From-To: open->feedback 
State-Changed-By: kmacy 
State-Changed-When: Thu Nov 15 21:13:52 UTC 2007 
State-Changed-Why:  
Turnstile implementation has changed substantially and has been extensively tested in the meantime. I've  
followed up with randy@. 

http://www.freebsd.org/cgi/query-pr.cgi?pr=69629 
State-Changed-From-To: feedback->closed 
State-Changed-By: linimon 
State-Changed-When: Sun Mar 2 01:06:39 UTC 2008 
State-Changed-Why:  
Feedback timeout (> 3 months).  If this is still a problem, let us know 
and we can re-open it. 

http://www.freebsd.org/cgi/query-pr.cgi?pr=69629 
>Unformatted:
