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Date:      Thu, 30 Sep 1999 10:26:10 -0700 (PDT)
From:      tmb@sophos.com
To:        freebsd-gnats-submit@freebsd.org
Subject:   kern/14060: 3.3-STABLE on primary mail server panics on intermittent (async. to any other event) basis 4 times in last week
Message-ID:  <19990930172610.C0ABF151A4@hub.freebsd.org>

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>Number:         14060
>Category:       kern
>Synopsis:       3.3-STABLE on primary mail server panics on intermittent (async. to any other event) basis 4 times in last week
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Thu Sep 30 10:30:00 PDT 1999
>Closed-Date:
>Last-Modified:
>Originator:     Mark Blackman
>Release:        3.3-STABLE
>Organization:
Sophos PLC
>Environment:
FreeBSD viking.sophos.com 3.3-STABLE FreeBSD 3.3-STABLE #0: Thu Sep 30 05:06:32 GMT 1999     root@viking.sophos.com:/usr/src/sys/compile/VIKING_D  i386

>Description:
(kgdb) symbol kernel
Reading symbols from kernel...(no debugging symbols found)...done.
(kgdb) exec-file /var/crash/kernel.2
(kgdb) core-file /var/crash/vmcore.2
IdlePTD 2965504
initial pcb at 2541e8
panicstr: softdep_lock: locking against myself
panic messages:
---
panic: softdep_fsync: pending ops

syncing disks... panic: softdep_lock: locking against myself

dumping to dev 20001, offset 262144
dump 127 126 125 124 123 122 121 120 119 118 117 116 115 114 113 112 111 110 109 108 107 106 105 104 103 102 101 100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 
---
#0  0xc014408f in boot ()
(kgdb) where
#0  0xc014408f in boot ()
#1  0xc014432d in panic ()
#2  0xc01d0d7d in acquire_lock ()
#3  0xc01d3b17 in initiate_write_inodeblock ()
#4  0xc01d38c7 in softdep_disk_io_initiation ()
#5  0xc017507e in spec_strategy ()
#6  0xc0174811 in spec_vnoperate ()
#7  0xc01df9ad in ufs_vnoperatespec ()
#8  0xc01622a7 in bwrite ()
#9  0xc0166976 in vop_stdbwrite ()
#10 0xc01667c1 in vop_defaultop ()
#11 0xc0174811 in spec_vnoperate ()
#12 0xc01df9ad in ufs_vnoperatespec ()
#13 0xc0162c53 in vfs_bio_awrite ()
#14 0xc01d929e in ffs_fsync ()
#15 0xc01d7747 in ffs_sync ()
#16 0xc016b31b in sync ()
#17 0xc0143ed5 in boot ()
#18 0xc014432d in panic ()
#19 0xc01d49d2 in softdep_fsync ()
#20 0xc016dbf2 in fsync ()
#21 0xc020866f in syscall ()
#22 0xc01fda9c in Xint0x80_syscall ()
#23 0x804e53c in ?? ()
#24 0x8049b89 in ?? ()
#25 0x804b9d1 in ?? ()
#26 0x804bafa in ?? ()
#27 0x8052739 in ?? ()
#28 0x804c266 in ?? ()
#29 0x8049e9a in ?? ()
#30 0x8049989 in ?? ()
(kgdb) exit

>How-To-Repeat:
keep running. :)
>Fix:
turn off soft-updates?


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


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