On 2017-01-14 23:03, Julian Elischer wrote: > On 15/01/2017 10:11 AM, Jia-Shiun Li wrote: >> On Fri, Jan 13, 2017 at 8:26 AM, Jia-Shiun Li <jiashiun_at_gmail.com> >> wrote: >> >>> Hi all, >>> >>> since 2 or 3 weeks ago, I noticed that my old Penryn-based Intel >>> Pentium >>> T4200 notebook lagged a lot. System time was running a lot slower, >>> sometimes even looked like it freezed. Keystroke repeat rate was slow >>> too. >>> >>> Since system time is slow, I tried to change timecounter from default >>> TSC >>> to HPET. And it resumed normal immediately. >>> >>> >> Did a binary search. Turns out it was caused by r310177 "Enable >> EARLY_AP_STARTUP on amd64 and i386 kernels by default." r310175 does >> not >> have this issue. Removing this option from kernel config also solves >> it. > > making sure jhb notices this. FWIW, I noted similar "slowness", and nooptions EARLY_AP_STARTUP makes it "normal" again. Copyright (c) 1992-2017 The FreeBSD Project. Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994 The Regents of the University of California. All rights reserved. FreeBSD is a registered trademark of The FreeBSD Foundation. FreeBSD 12.0-CURRENT #13 r311997: Sat Jan 14 22:35:29 CST 2017 root_at_borg.lerctr.org:/usr/obj/usr/src/sys/VT-LER amd64 FreeBSD clang version 3.9.1 (tags/RELEASE_391/final 289601) (based on LLVM 3.9.1) MEMGUARD DEBUGGING ALLOCATOR INITIALIZED: MEMGUARD map base: 0xfffffe0000400000 MEMGUARD map size: 128600960 KBytes VT(vga): resolution 640x480 CPU: Intel(R) Xeon(R) CPU E5410 _at_ 2.33GHz (2327.55-MHz K8-class CPU) Origin="GenuineIntel" Id=0x10676 Family=0x6 Model=0x17 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> VT-x: HLT,PAUSE TSC: P-state invariant, performance statistics real memory = 68719476736 (65536 MB) avail memory = 65353601024 (62326 MB) Event timer "LAPIC" quality 100 ACPI APIC Table: <PTLTD APIC > FreeBSD/SMP: Multiprocessor System Detected: 8 CPUs -- Larry Rosenman http://people.freebsd.org/~ler Phone: +1 214-642-9640 E-Mail: ler_at_FreeBSD.org US Mail: 17716 Limpia Crk, Round Rock, TX 78664-7281Received on Sun Jan 15 2017 - 16:02:39 UTC
This archive was generated by hypermail 2.4.0 : Wed May 19 2021 - 11:41:09 UTC