Bugs item #1934992, was opened at 2008-04-04 23:46
Message generated for change (Comment added) made by vapier
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Category: None
Group: None
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Mike Frysinger (vapier)
Assigned to: Nobody/Anonymous (nobody)
Summary: sched_rr_get_interval02 fails most of the time
Initial Comment:
i cant seem to narrow this down, but most of the time, sched_rr_get_interval02
fails
# ./sched_rr_get_interval02
sched_rr_get_interval02 1 FAIL : Test Failed,
sched_rr_get_interval()returned 0, errno = 0 : Success, tp.tv_sec = 3,
tp.tv_nsec = 464216500
unfortunately, i havent been able to get an strace of a successful run
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>Comment By: Mike Frysinger (vapier)
Date: 2008-04-06 17:55
Message:
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Originator: YES
Linux vapier 2.6.24.4 #3 SMP PREEMPT Mon Mar 24 18:49:59 EDT 2008 x86_64
AMD Athlon(tm) 64 X2 Dual Core Processor 4200+ AuthenticAMD GNU/Linux
the strace of the fail doesnt show anything exciting:
...
rt_sigaction(SIGRT_16, {0x402aa5, [], SA_RESTORER|SA_RESTART, 0x403410},
{SIG_DFL}, 8) = 0
sched_setscheduler(0, SCHED_FIFO, { 1 }) = 0
sched_rr_get_interval(0, 0x6943c0) = 0
fstat(1, {st_mode=S_IFCHR|0620, st_rdev=makedev(136, 0), ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x2b44aa258000
write(1, "sched_rr_get_interval02 1 FAIL : Test Failed,
sched_rr_get_interval()returned 0, errno = 0 : Success, tp.tv_sec = 3,
tp.tv_nsec = 464216500\n", 146) = 146
exit_group(1) = ?
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Comment By: Subrata (subrata_modak)
Date: 2008-04-06 09:40
Message:
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Mike,
Can you please provide more info on this ? I find this to be passing on
the following Kernel:
# uname -a
Linux <sniff> 2.6.18-8.1.6.el5 #1 SMP Fri Jun 1 18:52:11 EDT 2007 i686
i686 i386 GNU/Linux
#
./testcases/kernel/syscalls/sched_rr_get_interval/sched_rr_get_interval02
sched_rr_get_interval02 1 PASS : Test passed
Regards--
Subrata
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