i am using sqlite with apache , NFS.
sqlite data is put in a NFS. 
sometimes, apache keeps infinite loop...T.T
the following is strace's output


futex(0x818cb30, FUTEX_WAKE, 1, NULL)   = 0
futex(0x818cb30, FUTEX_WAKE, 1, {3, 1077529472}) = 0
futex(0x818cb30, FUTEX_WAKE, 1, {1, 1082409376}) = 0
fcntl64(9, F_SETLK64, {type=F_RDLCK, whence=SEEK_SET, start=0, len=0}, 0xbfffcfd0) = 0
access("/mail_nas1/maildb/69/35/41/rux3/mail.db-journal", F_OK) = -1 ENOENT (No such 
file or directory)
fstat64(9, {st_mode=S_IFREG|0644, st_size=9272320, ...}) = 0
futex(0x818cb30, FUTEX_WAKE, 1, ptrace: umoven: Input/output error
{...})  = 0
futex(0x818cb30, FUTEX_WAKE, 1, {0, 1085841004}) = 0
send(13, "RETR 46\r\n", 9, 0)           = 9
...
futex(0x818cb30, FUTEX_WAKE, 1, NULL)   = 0
futex(0x818cb30, FUTEX_WAKE, 1, ptrace: umoven: Input/output error
{...})  = 0
futex(0x818cb30, FUTEX_WAKE, 1, ptrace: umoven: Input/output error
{...})  = 0
futex(0x818cb30, FUTEX_WAKE, 1, ptrace: umoven: Input/output error
{...})  = 0
futex(0x818cb30, FUTEX_WAKE, 1, ptrace: umoven: Input/output error
{...})  = 0

my system is
Linux 9, sqlute 2.8.15,apache2.0.50.
do anoyone know this status.?
plz help me^^

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