Date: Sat, 18 Feb 2012 13:47:03 +0800 From: David Xu <listlog2011@gmail.com> To: Julian Elischer <julian@freebsd.org> Cc: FreeBSD Stable <freebsd-stable@freebsd.org>, Alexander Kabaev <kan@freebsd.org>, Andriy Gapon <avg@freebsd.org>, "davidxu@freebsd.org" <davidxu@freebsd.org>, "threads@freebsd.org" <threads@freebsd.org>, Jung-uk Kim <jkim@freebsd.org> Subject: Re: pthread_cond_timedwait() broken in 9-stable? (from JAN 10) Message-ID: <4F3F3B57.5070700@gmail.com> In-Reply-To: <4F3EFF35.8040901@freebsd.org> References: <4F3C2671.3090808__7697.00510795719$1329343207$gmane$org@freebsd.org> <4F3E0A90.6080400@freebsd.org> <4F3E39EF.3030209@gmail.com> <201202171117.46626.jkim@FreeBSD.org> <4F3EFF35.8040901@freebsd.org>
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On 2012/2/18 9:30, Julian Elischer wrote:
>>
>
> mine is too, yet it still has problems..
> CPU: Intel(R) Xeon(R) CPU E5420 @ 2.50GHz (2500.14-MHz
> K8-class CPU)
> Origin = "GenuineIntel" Id = 0x10676 Family = 6 Model = 17
> Stepping = 6
>
> Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
>
> Features2=0xce3bd<SSE3,DTES64,MON,DS_CPL,VMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,DCA,SSE4.1>
> AMD Features=0x20100800<SYSCALL,NX,LM>
> AMD Features2=0x1<LAHF>
> TSC: P-state invariant, performance statistics
> real memory = 8589934592 (8192 MB)
> avail memory = 8214368256 (7833 MB)
> Event timer "LAPIC" quality 400
> ACPI APIC Table: <PTLTD APIC >
> FreeBSD/SMP: Multiprocessor System Detected: 4 CPUs
> FreeBSD/SMP: 1 package(s) x 4 core(s)
> cpu0 (BSP): APIC ID: 0
> cpu1 (AP): APIC ID: 1
> cpu2 (AP): APIC ID: 2
> cpu3 (AP): APIC ID: 3
> ioapic0 <Version 2.0> irqs 0-23 on motherboard
> ioapic1 <Version 2.0> irqs 24-47 on motherboard
>
>
Attached file is a small patch, don't know if it works for you, I can
only find this at
the moment.
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Index: src/lib/libthr/thread/thr_umtx.c
===================================================================
--- src/lib/libthr/thread/thr_umtx.c (revision 231637)
+++ src/lib/libthr/thread/thr_umtx.c (working copy)
@@ -205,7 +205,7 @@
if (abstime != NULL) {
clock_gettime(clockid, &ts);
TIMESPEC_SUB(&ts2, abstime, &ts);
- if (ts2.tv_sec < 0 || ts2.tv_nsec <= 0)
+ if (ts2.tv_sec < 0 || (ts2.tv_sec == 0 && ts2.tv_nsec <= 0))
return (ETIMEDOUT);
tsp = &ts2;
} else {
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