http://oss.sgi.com/bugzilla/show_bug.cgi?id=916
Summary: xfs_log_force blocked
Product: XFS
Version: unspecified
Platform: All
OS/Version: Linux
Status: NEW
Severity: major
Priority: P5
Component: XFS kernel code
AssignedTo: xfs-masters@xxxxxxxxxxx
ReportedBy: amethyst623@xxxxxxx
Estimated Hours: 0.0
Classification: Unclassified
xfs filesystem from linux kernel 2.6.32.16.
one of our application does the recording work.
each time, it writes 128K data to USB hard disk(xfs format) using fwrite.
while recording, the USB HDD is unpluged suddenly.
usually, fwrite returns immediately, but sometimes, fwrite function returns
after 3-10 seconds. we don't know why?
[ 2232.815000] lost page write due to I/O error on sdb1
[ 2232.817000] Buffer I/O error on device sdb1, logical block 305866
[ 2232.821000] lost page write due to I/O error on sdb1
[ 2232.823000] Buffer I/O error on device sdb1, logical block 305867
[ 2232.828000] lost page write due to I/O error on sdb1
[ 2232.832000] Buffer I/O error on device sdb1, logical block 305868
[ 2232.834000] lost page write due to I/O error on sdb1------->blocked here
[ 2242.030000] Filesystem "sda1": xfs_log_force: error 5 returned.
[ 2249.582000] end_request: I/O error, dev sdb, sector 488596419
[ 2249.583000] I/O error in filesystem ("sdb1") meta-data dev sdb1 block
0x1d1f6384 ("xlog_iodone") error 5 buf count 4096
[ 2249.584000] xfs_force_shutdown(sdb1,0x2) called from line 1043 of file
fs/xfs/xfs_log.c. Return address = 0xc161c228
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