On Wed, Mar 14, 2012 at 09:40:43AM -0400, Jim Paris wrote: > 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.
I have the same results on my amd64 machine. Note that it appears to work without "-+d", if that helps. Don: have you seen this bug before? Thanks, -Steve > $ 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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