kernel panic on 6.2-RC2 with GENERIC.

[Mike Tancsa]

At 11:43 AM 1/7/2007, Craig Rodrigues wrote:
>On Fri, Jan 05, 2007 at 06:59:10PM +0200, Nikolay Pavlov wrote:
> > Hello folks.
> > I have kernel panic on GENERIC kernel while executing postmark.
>
>The sequence of steps that Nikolay used to produce this panic was:
>
>- install benchmarks/postmark from ports
>
>root# postmark
>PostMark v1.5 : 3/27/01
>pm>set number=10000
>pm>set transactions=10000
>pm>set subdirectories=10000
>pm>show
>pm>run

I am able to do this on an AMD64 on a AREAC RAID6 file system and on 
a plain old ata drive on i386 without issue.

the i386 is a few weeks old but I will cvsup and re-try to confirm on 
both today

[tyan-1u]# postmark
PostMark v1.5 : 3/27/01
pm>set number=10000
pm>set transactions=10000
pm>set subdirectories=10000
pm>set location /tmp
pm>run
Creating subdirectories...Done
Creating files...Done
Performing transactions..........Done
Deleting files...Done
Deleting subdirectories...Done
Time:
         481 seconds total
         233 seconds of transactions (42 per second)

Files:
         15027 created (31 per second)
                 Creation alone: 10000 files (62 per second)
                 Mixed with transactions: 5027 files (21 per second)
         4990 read (21 per second)
         5009 appended (21 per second)
         15027 deleted (31 per second)
                 Deletion alone: 10054 files (115 per second)
                 Mixed with transactions: 4973 files (21 per second)

Data:
         27.14 megabytes read (57.78 kilobytes per second)
         85.08 megabytes written (181.13 kilobytes per second)
pm>quit
[tyan-1u]# uname -a
FreeBSD tyan-1u.sentex.ca 6.2-PRERELEASE FreeBSD 6.2-PRERELEASE #1: 
Mon Dec 11 17:45:45 EST 
2006     mdtancsa at tyan-1u.sentex.ca:/usr/obj/usr/src/sys/tyan  i386
[tyan-1u]#


and amd64

pm>show
Current configuration is:
The base number of files is 10000
Transactions: 10000
Files range between 500 bytes and 9.77 kilobytes in size
Working directory:
         /mnt (weight=1)
10000 subdirectories will be used
Block sizes are: read=512 bytes, write=512 bytes
Biases are: read/append=5, create/delete=5
Using Unix buffered file I/O
Random number generator seed is 42
Report format is verbose.
pm>run
Creating subdirectories...Done
Creating files...Done
Performing transactions..........Done
Deleting files...Done
Deleting subdirectories...Done
Time:
         310 seconds total
         155 seconds of transactions (64 per second)

Files:
         15027 created (48 per second)
                 Creation alone: 10000 files (103 per second)
                 Mixed with transactions: 5027 files (32 per second)
         4990 read (32 per second)
         5009 appended (32 per second)
         15027 deleted (48 per second)
                 Deletion alone: 10054 files (173 per second)
                 Mixed with transactions: 4973 files (32 per second)

Data:
         27.14 megabytes read (89.65 kilobytes per second)
         85.08 megabytes written (281.04 kilobytes per second)
pm>quit
[r2-releng6-64]# uname -a
FreeBSD r2-releng6-64.sentex.ca 6.2-PRERELEASE FreeBSD 6.2-PRERELEASE 
#0: Thu Dec 28 23:13:18 EST 
2006     mdtancsa at r2-releng6-64.sentex.ca:/usr/obj/usr/src/sys/router  amd64
[r2-releng6-64]#


both file systems have normal newfs options and fairly standard 
kernels with default /etc/make.conf and both are SMP