Re: [fwd] cvs commit: src/lib/libthr/thread thr_mutex.c thr_umtx.c thr_umtx.h src/sys/kern kern_umtx.c src/sys/sys umtx.h

[Daniel Eischen]

On Tue, 1 Jul 2008, Gary Jennejohn wrote:

On Mon, 30 Jun 2008 22:28:44 +0400
Vladimir Grebenschikov <[EMAIL PROTECTED]> wrote:

On Tue, 2008-06-24 at 07:32 +0000, David Xu wrote:

This commit makes threaded application almost unusable on 8-CURRENT.

Applications eat 100% CPU all the time and works _very_ slowly.
(top shows several threads for every constantly applications eating CPU)

Following applications are affected for me: firefox, evolution, eclipse
(probably more).

Reverting user-land part of commit fixes problem, reverting kernel
changes nothing regarding the problem.

I have:
FreeBSD 8.0-CURRENT #0: Fri Jun 20 17:14:23 MSD 2008
    [EMAIL PROTECTED]:/usr/obj/usr/src/sys/VBOOK
Timecounter "i8254" frequency 1193182 Hz quality 0
CPU: Intel(R) Core(TM)2 CPU         T7200  @ 2.00GHz (1995.01-MHz 686-class CPU)
  Origin = "GenuineIntel"  Id = 0x6f6  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=0xe3bd<SSE3,RSVD2,MON,DS_CPL,VMX,EST,TM2,SSSE3,CX16,xTPR,PDCM>
  AMD Features=0x20100000<NX,LM>
  AMD Features2=0x1<LAHF>
  Cores per package: 2

[snip commit message]

Did you recompile these misbehaving applications?

If that is necessary, then something is certainly borken.  One shouldn't
have to rebuild the applications.

--
DE
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