Package: iozone3
Version: 397-2
Severity: normal
Hi,
The command:
iozone -a -B -+d
always fails within seconds and reports "Error in file". I tried this
on four different amd64 machines, on ext3 on rotational media, on ext4
on SSD, and on tmpfs, and it always fails at the exact same address,
so it is not a hardware problem.
Full log:
$ cd /tmp
$ iozone -a -B -+d
Iozone: Performance Test of File I/O
Version $Revision: 3.397 $
Compiled for 64 bit mode.
Build: linux-AMD64
Contributors:William Norcott, Don Capps, Isom Crawford, Kirby
Collins
Al Slater, Scott Rhine, Mike Wisner, Ken Goss
Steve Landherr, Brad Smith, Mark Kelly, Dr. Alain CYR,
Randy Dunlap, Mark Montague, Dan Million, Gavin
Brebner,
Jean-Marc Zucconi, Jeff Blomberg, Benny Halevy, Dave
Boone,
Erik Habbinga, Kris Strecker, Walter Wong, Joshua Root,
Fabrice Bacchella, Zhenghua Xue, Qin Li, Darren Sawyer.
Ben England.
Run began: Wed Mar 14 09:35:55 2012
Auto Mode
Using mmap files
>>> I/O Diagnostic mode enabled. <<<
Performance measurements are invalid in this mode.
Command line used: iozone -a -B -+d
Output is in Kbytes/sec
Time Resolution = 0.000001 seconds.
Processor cache size set to 1024 Kbytes.
Processor cache line size set to 32 bytes.
File stride size set to 17 * record size.
random random
bkwd record stride
KB reclen write rewrite read reread read write
read rewrite read
64 4 507625 598110 801764 842003 831569 529661
799377 496362 1049372
64 8 587635 720041 695778 1066042 1049372 598110
983980 587635 1421755
64 16 673098 718114 1143223 1232453 1017549 668072
1188789 653436 1562436
64 32 634890 673098 1210227 1310683 1304314 659861
1232453 703068 1336792
64 64 703068 686877 1310683 1357066 1336792 627470
1304314 681644 1163036
128 4 546819 673778 681476 836500 826202 702889
621518 702889
Error in file: Position 0 0 0
Error in file: Position 69632
Record # 17 Record size 4 kb
Found pattern: Char >>Q<< Expecting >>.<<
Found pattern: Hex >>51<< Expecting >>2e<<
The "Found pattern" and "Expecting" are different each time.
-jim
-- System Information:
Debian Release: 6.0.3
APT prefers stable
APT policy: (200, 'stable'), (150, 'oldstable'), (80, 'testing'), (50,
'unstable'), (1, 'experimental')
Architecture: amd64 (x86_64)
Kernel: Linux 2.6.37-trunk-amd64 (SMP w/4 CPU cores)
Locale: LANG=POSIX, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash
Versions of packages iozone3 depends on:
ii libc6 2.11.2-10
iozone3 recommends no packages.
iozone3 suggests no packages.
-- no debconf information
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