View Incident:
http://co-op.engr.sgi.com/BugWorks/code/bwxquery.cgi?search=Search&wlong=1&view_type=Bug&wi=803065
Submitter : coreym Submitter Domain : sgi.com
Assigned Engineer : nb Assigned Domain : sgi.com
Assigned Group : xfs-linux Category : software
Customer Reported : F Priority : 2
Project : xfs-linux Status : open
Description :
I was running rwtest on permit and got a data comparison error.
Here is the output and related information:
[root@permit /mnt]# rwtest
iogen 1000000b:rwtest.file | doio -av
iogen starting up with the following:
Out-pipe: stdout
Iterations: Infinite
Seed: 1013
Offset-Mode: sequential
Overlap Flag: off
Mintrans: 1 (1 blocks)
Maxtrans: 131072 (256 blocks)
O_RAW/O_SSD Multiple: (Determined by device)
Syscalls: read write readv writev mmread mmwrite
Aio completion types: none
Flags: buffered sync
Test Files:
Path Length iou raw iou file
(bytes) (bytes) (bytes) type
-----------------------------------------------------------------------------
/mnt/rwtest.file 512000000 1 512 regular
doio ( 1012) 23:48:02
---------------------
*** DATA COMPARISON ERROR ***
check_file(/mnt/rwtest.file, 323575586, 104613, U:1012:permit:doio*, 19, 0)
failed
Comparison fd is 5, with open flags 0
Corrupt regions follow - unprintable chars are represented as '.'
-----------------------------------------------------------------
corrupt bytes starting at file offset 323575586
1st 32 expected bytes: U:1012:permit:doio*U:1012:permit
1st 32 actual bytes: mit:doio*J:1073:permit:doio*J:10
Request number 1443612
fd 8 is file /mnt/rwtest.file - open flags are 010002 O_RDWR,O_SYNC,
write done at file offset 323575586 - pattern is U (0125)
number of requests is 1, strides per request is 1
i/o byte count = 104613
memory alignment is unaligned
syscall: mmap-write(NULL, 512000000, PROT_WRITE, MAP_SHARED, 8, 0)
file is mmaped to: 0x9b8d8000
file-mem=0xaed6df22, length=104613, buffer=0xba120008
rwtest : iogen reported errors (r=141)
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