Date: Fri, 24 Mar 2006 15:30:17 GMT From: "Alexey Sopov" <suntechnic@gmail.com> To: freebsd-bugs@FreeBSD.org Subject: Re: kern/94890 : [smbfs] Fatal trap 18: integer divide fault while in kernel mode Message-ID: <200603241530.k2OFUHrJ095191@freefall.freebsd.org>
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The following reply was made to PR kern/94890; it has been noted by GNATS. From: "Alexey Sopov" <suntechnic@gmail.com> To: bug-followup@FreeBSD.org Cc: Subject: Re: kern/94890 : [smbfs] Fatal trap 18: integer divide fault while in kernel mode Date: Fri, 24 Mar 2006 18:21:27 +0300 ------=_Part_4272_6023070.1143213687518 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Content-Disposition: inline Actually I found this is not a samba/smbfs specific problem: database# mkdir /video1/KBH database# sync database# mkdir /video1/KBH/Test after this the system panics. Here is some more information: database# fdisk /dev/ad4 ******* Working on device /dev/ad4 ******* parameters extracted from in-core disklabel are: cylinders=3D319120 heads=3D16 sectors/track=3D63 (1008 blks/cyl) Figures below won't work with BIOS for partitions not in cyl 1 parameters to be used for BIOS calculations are: cylinders=3D319120 heads=3D16 sectors/track=3D63 (1008 blks/cyl) Media sector size is 512 Warning: BIOS sector numbering starts with sector 1 Information from DOS bootblock is: The data for partition 1 is: sysid 165 (0xa5),(FreeBSD/NetBSD/386BSD) start 0, size 321672960 (157066 Meg), flag 80 (active) beg: cyl 0/ head 0/ sector 1; end: cyl 1023/ head 15/ sector 63 The data for partition 2 is: <UNUSED> The data for partition 3 is: <UNUSED> The data for partition 4 is: <UNUSED> database# disklabel /dev/ad4s1 # /dev/ad4s1: 8 partitions: # size offset fstype [fsize bsize bps/cpg] a: 262144 0 4.2BSD 2048 16384 16392 b: 1048576 262144 swap c: 321672960 0 unused 0 0 # "raw" part, don'= t edit d: 262144 1310720 4.2BSD 2048 16384 16392 e: 262144 1572864 4.2BSD 2048 16384 16392 f: 16777216 1835008 4.2BSD 2048 16384 28528 g: 303060736 18612224 4.2BSD 8192 65536 52360 database# tunefs -p /video1 tunefs: ACLs: (-a) disabled tunefs: MAC multilabel: (-l) disabled tunefs: soft updates: (-n) enabled tunefs: maximum blocks per file in a cylinder group: (-e) 8192 tunefs: average file size: (-f) 734003200 tunefs: average number of files in a directory: (-s) 64 tunefs: minimum percentage of free space: (-m) 8% tunefs: optimization preference: (-o) time Setting average file size to default solved the problem!!! database# tunefs -p /video1 tunefs: ACLs: (-a) disabled tunefs: MAC multilabel: (-l) disabled tunefs: soft updates: (-n) enabled tunefs: maximum blocks per file in a cylinder group: (-e) 8192 tunefs: average file size: (-f) 16384 tunefs: average number of files in a directory: (-s) 64 tunefs: minimum percentage of free space: (-m) 8% tunefs: optimization preference: (-o) time tunefs: volume label: (-L) ------=_Part_4272_6023070.1143213687518 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Content-Disposition: inline Actually I found this is not a samba/smbfs specific problem:<br><br>databas= e# mkdir /video1/KBH<br>database# sync<br>database# mkdir /video1/KBH/Test<= br><br>after this the system panics.<br><br>Here is some more information: <br><br>database# fdisk /dev/ad4<br>******* Working on device /dev/ad4 ****= ***<br>parameters extracted from in-core disklabel are:<br>cylinders=3D3191= 20 heads=3D16 sectors/track=3D63 (1008 blks/cyl)<br><br>Figures below won't= work with BIOS for partitions not in cyl 1 <br>parameters to be used for BIOS calculations are:<br>cylinders=3D319120 = heads=3D16 sectors/track=3D63 (1008 blks/cyl)<br><br>Media sector size is 5= 12<br>Warning: BIOS sector numbering starts with sector 1<br>Information fr= om DOS bootblock is: <br>The data for partition 1 is:<br>sysid 165 (0xa5),(FreeBSD/NetBSD/386BSD= )<br> start 0, size 321672960 (157066 Meg), flag 80 (acti= ve)<br> beg: cyl 0/ head 0/ secto= r 1;<br> end: cyl 1023/ head 15/ = sector 63 <br>The data for partition 2 is:<br><UNUSED><br>The data for partitio= n 3 is:<br><UNUSED><br>The data for partition 4 is:<br><UNUSED>= <br><br>database# disklabel /dev/ad4s1<br># /dev/ad4s1:<br>8 partitions: <br># size offset&nbs= p; fstype [fsize bsize bps/cpg]<br> a: &= nbsp; 262144 0 = 4.2BSD 2048 16384 16392<br> b: 1048576&= nbsp; 262144 swap<br> c: 32167296= 0 0 unused = ; 0 0 &nbs= p; # "raw" part, don't edit <br> d: 262144 1310720 4.2BSD&nbs= p; 2048 16384 16392<br> e: 262144 = 1572864 4.2BSD 2048 16384 16392<= br> f: 16777216 1835008 4.2BSD &nb= sp; 2048 16384 28528<br> g: 303060736 18612224  = ; 4.2BSD 8192 65536 52360 <br><br>database# tunefs -p /video1<br>tunefs: ACLs: (-a) = &nb= sp; = di= sabled<br>tunefs: MAC multilabel: (-l) &= nbsp; &nbs= p; disabl= ed<br>tunefs: soft updates: (-n) &= nbsp; &nbs= p; = enabled <br>tunefs: maximum blocks per file in a cylinder group: (-e) 8192<br= >tunefs: average file size: (-f) &= nbsp; &nbs= p; 734003200<br>tunefs: average n= umber of files in a directory: (-s) 64<= br>tunefs: minimum percentage of free space: (-m) &n= bsp; 8% <br>tunefs: optimization preference: (-o) &nbs= p; &= nbsp; time<br><br>Setting average file size to default solved t= he problem!!!<br>database# tunefs -p /video1<br>tunefs: ACLs: (-a) &nb= sp; = &nb= sp; = disabled <br>tunefs: MAC multilabel: (-l) &= nbsp; &nbs= p; disabled<br>= tunefs: soft updates: (-n) &= nbsp; &nbs= p; enable= d<br>tunefs: maximum blocks per file in a cylinder group: (-e) 8192<b= r>tunefs: average file size: (-f) = &nb= sp; 16384 <br>tunefs: average number of files in a directory: (-s) &= nbsp; 64<br>tunefs: minimum percentage of free space: (-m) = ; 8%<br>t= unefs: optimization preference: (-o) &nb= sp; = time<br>tunefs: volume label: (-L) <br><br> ------=_Part_4272_6023070.1143213687518--
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