cvs commit: src/lib/libkse/sys lock.c src/lib/libkse/thread thr_kern.c

[Julian Elischer]

joao_br wrote:
> Julian Elischer escreveu:
>> julian      2008-02-04 20:03:36 UTC
>>
>>   FreeBSD src repository
>>
>>   Modified files:        (Branch: RELENG_7_0)
>>     lib/libkse/sys       lock.c     lib/libkse/thread    thr_kern.c   
>> Log:
>>   MFC changes from 1.14 for sys/lock.c and 1.127+1.128 for 
>> thread/thr_kern.c
>>   this copes with the fact that during a fork the child may get
>>   really screwy state in the threading system due to the
>>   sudden vaporisation of it's sibling threads.
>>   
> 
> 
> After I compiled my kernel the machine frooze, I could repeat it, once 
> after 30min another after an hour or so
> it really frooze up and not msg and no panic, I compiled debug options 
> but still no trace, the machine froze the same way, quiet on the login 
> prompt
> 


This changes libkse.
Libkse is not used by default in 7.0.
libkse can't make the kernel freeze.

do you have any programs linked with libkse?



> I went backwards with the sources and since then the machine is running 
> as usual
> 
> I tried this morning again with same results
> 
> I have ULE in the kernel nothing else wiered, only cut out drivers I do 
> not need
> 
> FreeBSD gw.lucenet.com.br 7.0-PRERELEASE FreeBSD 7.0-PRERELEASE #1: Tue 
> Feb  5 08:42:16 BRST 2008 
> root at gw.lucenet.com.br:/usr/obj/usr/src/sys/wco7a  amd64
> 
> 
> FreeBSD 7.0-PRERELEASE #1: Tue Feb  5 08:42:16 BRST 2008
>     root at gw.lucenet.com.br:/usr/obj/usr/src/sys/wco7a
> Timecounter "i8254" frequency 1193182 Hz quality 0
> CPU: AMD Athlon(tm) 64 X2 Dual Core Processor 5000+ (2611.90-MHz 
> K8-class CPU)
>   Origin = "AuthenticAMD"  Id = 0x40fb2  Stepping = 2
> 
> Features=0x178bfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,MMX,FXSR,SSE,SSE2,HTT> 
> 
>   Features2=0x2001<SSE3,CX16>
>   AMD Features=0xea500800<SYSCALL,NX,MMX+,FFXSR,RDTSCP,LM,3DNow!+,3DNow!>
>   AMD Features2=0x1f<LAHF,CMP,SVM,ExtAPIC,CR8>
>   Cores per package: 2
> usable memory = 4252147712 (4055 MB)
> avail memory  = 4090929152 (3901 MB)
> ACPI APIC Table: <GBT    NVDAACPI>
> FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs
>  cpu0 (BSP): APIC ID:  0
>  cpu1 (AP): APIC ID:  1
> ioapic0: Changing APIC ID to 2
> ioapic0 <Version 1.1> irqs 0-23 on motherboard
> acpi0: <GBT NVDAACPI> on motherboard
> acpi0: [ITHREAD]
> 
> 
> 
>>   Approved by: re(kensmith)
>>     Revision   Changes    Path
>>   1.11.4.1   +17 -8     src/lib/libkse/sys/lock.c
>>   1.125.4.1  +25 -0     src/lib/libkse/thread/thr_kern.c
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