Date: Thu, 3 Jul 2008 21:10:04 GMT From: "Weldon Godfrey" <wgodfrey@ena.com> To: freebsd-bugs@FreeBSD.org Subject: Re: kern/124280: [nfs] [panic] FreeBSD 7/amd64 STABLE crash Message-ID: <200807032110.m63LA4ia055866@freefall.freebsd.org>
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The following reply was made to PR kern/124280; it has been noted by GNATS.
From: "Weldon Godfrey" <wgodfrey@ena.com>
To: <bug-followup@FreeBSD.org>,
<bra@fsn.hu>
Cc:
Subject: Re: kern/124280: [nfs] [panic] FreeBSD 7/amd64 STABLE crash
Date: Thu, 3 Jul 2008 15:48:44 -0500
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I can replicate this under FreeBSD 7.0-RELEASE amd64. I had 9 nfs
clients using 100MB switched Ethernet running postmark 1.5 into 9
separate directories....it paniced just when it started to go into
transaction mode on all of the tests. When it rebooted, the postmarks
continued when the nfs share became available and continued to work (I
am running this bench over the holiday weekend). I have a vmcore, and
running kgdb yielded:
=20
store1# kgdb /boot/kernel/kernel vmcore.0=20
[GDB will not be able to debug user-mode threads:
/usr/lib/libthread_db.so: Undefined symbol "ps_pglobal_lookup"]
GNU gdb 6.1.1 [FreeBSD]
Copyright 2004 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you
are
welcome to change it and/or distribute copies of it under certain
conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB. Type "show warranty" for
details.
This GDB was configured as "amd64-marcel-freebsd".
=20
Unread portion of the kernel message buffer:
=20
=20
Fatal trap 12: page fault while in kernel mode
cpuid =3D 5; apic id =3D 05
fault virtual address =3D 0xdc
fault code =3D supervisor read data, page not present
instruction pointer =3D 0x8:0xffffffff8060bfc8
stack pointer =3D 0x10:0xffffffffdfc10730
frame pointer =3D 0x10:0xffffff000c504d00
code segment =3D base 0x0, limit 0xfffff, type 0x1b
=3D DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags =3D interrupt enabled, resume, IOPL =3D 0
current process =3D 8421 (nfsd)
trap number =3D 12
panic: page fault
cpuid =3D 5
Uptime: 1d3h3m38s
Physical memory: 16367 MB
Dumping 2162 MB: 2146 2130 2114 2098 2082 2066 2050 2034 2018 2002 1986
1970 1954 1938 1922 1906 1890 1874 1858 1842 1826 1810 1794 1778 1762
1746 1730 1714 1698 1682 1666 1650 1634 1618 1602 1586 1570 1554 1538
1522 1506 1490 1474 1458 1442 1426 1410 1394 1378 1362 1346 1330 1314
1298 1282 1266 1250 1234 1218 1202 1186 1170 1154 1138 1122 1106 1090
1074 1058 1042 1026 1010 994 978 962 946 930 914 898 882 866 850 834 818
802 786 770 754 738 722 706 690 674 658 642 626 610 594 578 562 546 530
514 498 482 466 450 434 418 402 386 370 354 338 322 306 290 274 258 242
226 210 194 178 162 146 130 114 98 82 66 50 34 18 2
=20
=20
Weldon Godfrey
Sr. Systems Engineer
Education Networks of America
615-312-6060
866-615-1101x6060
=20
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<div class=3DSection1>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>I can replicate this under FreeBSD 7.0-RELEASE =
amd64.
I had 9 nfs clients using 100MB switched Ethernet running postmark 1.5 =
into 9 separate
directories….it paniced just when it started to go into =
transaction mode
on all of the tests. When it rebooted, the postmarks continued =
when the
nfs share became available and continued to work (I am running this =
bench over
the holiday weekend). I have a vmcore, and running kgdb =
yielded:<o:p></o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>store1# kgdb /boot/kernel/kernel vmcore.0 =
<o:p></o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>[GDB will not be able to debug user-mode threads:
/usr/lib/libthread_db.so: Undefined symbol =
"ps_pglobal_lookup"]<o:p></o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>GNU gdb 6.1.1 [FreeBSD]<o:p></o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>Copyright 2004 Free Software Foundation, =
Inc.<o:p></o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>GDB is free software, covered by the GNU General =
Public
License, and you are<o:p></o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>welcome to change it and/or distribute copies of it =
under
certain conditions.<o:p></o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>Type "show copying" to see the =
conditions.<o:p></o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>There is absolutely no warranty for GDB. Type
"show warranty" for details.<o:p></o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>This GDB was configured as =
"amd64-marcel-freebsd".<o:p></o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>Unread portion of the kernel message =
buffer:<o:p></o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>Fatal trap 12: page fault while in kernel =
mode<o:p></o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>cpuid =3D 5; apic id =3D =
05<o:p></o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>fault virtual address =3D =
0xdc<o:p></o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>fault
code &nb=
sp;
=3D supervisor read data, page not present<o:p></o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>instruction pointer =3D
0x8:0xffffffff8060bfc8<o:p></o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>stack
pointer =3D
0x10:0xffffffffdfc10730<o:p></o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>frame
pointer =3D
0x10:0xffffff000c504d00<o:p></o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>code
segment =
=3D
base 0x0, limit 0xfffff, type 0x1b<o:p></o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'> =
&=
nbsp;
=3D DPL 0, pres 1, long 1, def32 0, gran 1<o:p></o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>processor =
eflags =3D
interrupt enabled, resume, IOPL =3D 0<o:p></o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>current
process =3D 8421 =
(nfsd)<o:p></o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>trap
number &=
nbsp;
=3D 12<o:p></o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>panic: page fault<o:p></o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>cpuid =3D 5<o:p></o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>Uptime: 1d3h3m38s<o:p></o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>Physical memory: 16367 =
MB<o:p></o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>Dumping 2162 MB: 2146 2130 2114 2098 2082 2066 2050 =
2034
2018 2002 1986 1970 1954 1938 1922 1906 1890 1874 1858 1842 1826 1810 =
1794 1778
1762 1746 1730 1714 1698 1682 1666 1650 1634 1618 1602 1586 1570 1554 =
1538 1522
1506 1490 1474 1458 1442 1426 1410 1394 1378 1362 1346 1330 1314 1298 =
1282 1266
1250 1234 1218 1202 1186 1170 1154 1138 1122 1106 1090 1074 1058 1042 =
1026 1010
994 978 962 946 930 914 898 882 866 850 834 818 802 786 770 754 738 722 =
706 690
674 658 642 626 610 594 578 562 546 530 514 498 482 466 450 434 418 402 =
386 370
354 338 322 306 290 274 258 242 226 210 194 178 162 146 130 114 98 82 66 =
50 34
18 2<o:p></o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>Weldon Godfrey</span></font><o:p></o:p></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>Sr. Systems Engineer</span></font><o:p></o:p></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>Education Networks of <st1:country-region =
w:st=3D"on"><st1:place
=
w:st=3D"on">America</st1:place></st1:country-region></span></font><o:p></=
o:p></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>615-312-6060<o:p></o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>866-615-1101x6060</span></font><o:p></o:p></p>
<p class=3DMsoNormal><font size=3D3 face=3D"Times New Roman"><span =
style=3D'font-size:
12.0pt'><o:p> </o:p></span></font></p>
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