Re: boot hang at r339386

From: Konstantin Belousov <kostikbel_at_gmail.com>
Date: Thu, 18 Oct 2018 21:26:35 +0300
On Thu, Oct 18, 2018 at 11:12:11AM -0400, Mike Tancsa wrote:
> 
> On r339386 I am seeing a 100% hang at boot up time.  Boot ends at
> 
> Copyright (c) 1992-2018 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-ALPHA10 r339415 GENERIC amd64
> FreeBSD clang version 6.0.1 (tags/RELEASE_601/final 335540) (based on
> LLVM 6.0.1)
> WARNING: WITNESS option enabled, expect reduced performance.
> VT(vga): resolution 640x480
> CPU: AMD Ryzen 5 1600X Six-Core Processor            (3593.34-MHz
> K8-class CPU)
>   Origin="AuthenticAMD"  Id=0x800f11  Family=0x17  Model=0x1  Stepping=1
>  
> 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=0x7ed8320b<SSE3,PCLMULQDQ,MON,SSSE3,FMA,CX16,SSE4.1,SSE4.2,MOVBE,POPCNT,AESNI,XSAVE,OSXSAVE,AVX,F16C,RDRAND>
>   AMD Features=0x2e500800<SYSCALL,NX,MMX+,FFXSR,Page1GB,RDTSCP,LM>
>   AMD
> Features2=0x35c233ff<LAHF,CMP,SVM,ExtAPIC,CR8,ABM,SSE4A,MAS,Prefetch,OSVW,SKINIT,WDT,TCE,Topology,PCXC,PNXC,DBE,PL2I,MWAITX>
>   Structured Extended
> Features=0x209c01a9<FSGSBASE,BMI1,AVX2,SMEP,BMI2,RDSEED,ADX,SMAP,CLFLUSHOPT,SHA>
>   XSAVE Features=0xf<XSAVEOPT,XSAVEC,XINUSE,XSAVES>
>   AMD Extended Feature Extensions ID EBX=0x1007<CLZERO,IRPerf,XSaveErPtr>
>   SVM: NP,NRIP,VClean,AFlush,DAssist,NAsids=32768
>   TSC: P-state invariant, performance statistics
> real memory  = 34359738368 (32768 MB)
> avail memory = 33255837696 (31715 MB)
> Event timer "LAPIC" quality 600
> ACPI APIC Table: <ALASKA A M I >
> FreeBSD/SMP: Multiprocessor System Detected: 12 CPUs
> FreeBSD/SMP: 1 package(s) x 2 cache groups x 3 core(s) x 2 hardware threads
> random: unblocking device.
> Firmware Warning (ACPI): Optional FADT field Pm2ControlBlock has valid
> Length but zero Address: 0x0000000000000000/0x1 (20181003/tbfadt-796)
> ioapic0 <Version 2.1> irqs 0-23 on motherboard
> ioapic1 <Version 2.1> irqs 24-55 on motherboard
> Launching APs: 10 1 2 3 9 11 8 5 7 6 4
> Timecounter "TSC-low" frequency 1796668938 Hz quality 1000
> random: entropy device external interface
> module_register_init: MOD_LOAD (vesa, 0xffffffff810e6a80, 0) error 19
> kbd1 at kbdmux0
> random: registering fast source Intel Secure Key RNG
> random: fast provider: "Intel Secure Key RNG"
> netmap: loaded module
> [ath_hal] loaded
> nexus0
> vtvga0: <VT VGA driver> on motherboard
> aesni0: <AES-CBC,AES-XTS,AES-GCM,AES-ICM,SHA1,SHA256> on motherboard
> cryptosoft0: <software crypto> on motherboard
> acpi0: <ALASKA A M I > on motherboard
> 
> Adding boot verbose, shows the lines below before the hang.
> 
> 
> ACPI: 7 ACPI AML tables successfully acquired and loaded
> PCIe: Memory Mapped configuration base _at_ 0xf8000000
> 
> The box is hard locked up and I cannot break to debugger either.
> 
> Going back to r339385 works. But going to the next commit hangs the box
> 
> https://lists.freebsd.org/pipermail/svn-src-head/2018-October/118853.html

Try the patch at https://reviews.freebsd.org/D17612
Received on Thu Oct 18 2018 - 16:26:48 UTC

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