Waiting for bufdaemon
Yasuhiro Kimura
yasu at utahime.org
Fri Jan 15 19:03:48 UTC 2021
From: Yasuhiro Kimura <yasu at utahime.org>
Subject: Re: Waiting for bufdaemon
Date: Fri, 15 Jan 2021 20:10:30 +0900 (JST)
> I have been experiencing same problem with my 13-CURRENT amd64
> VirtualBox VM for about a month. The conditions that the problem
> happens are unclear and all what I can say is
>
> * It happens only after I login in the VM and do something for a
> while. If I boot the VM and shut it down immediately, it never
> happens.
> * When the problem happens, one or more unkillable processes seem to
> be left.
CPU of my host is not AMD but Intel. According to the
/var/run/dmesg.boot of VM, information of CPU is as following.
CPU: Intel(R) Core(TM) i7-9700 CPU @ 3.00GHz (3000.09-MHz K8-class CPU)
Origin="GenuineIntel" Id=0x906ed Family=0x6 Model=0x9e Stepping=13
Features=0x1783fbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR,SSE,SSE2,HTT>
Features2=0x5eda2203<SSE3,PCLMULQDQ,SSSE3,CX16,PCID,SSE4.1,SSE4.2,MOVBE,POPCNT,AESNI,XSAVE,OSXSAVE,AVX,RDRAND>
AMD Features=0x28100800<SYSCALL,NX,RDTSCP,LM>
AMD Features2=0x121<LAHF,ABM,Prefetch>
Structured Extended Features=0x842421<FSGSBASE,AVX2,INVPCID,NFPUSG,RDSEED,CLFLUSHOPT>
Structured Extended Features3=0x30000400<MD_CLEAR,L1DFL,ARCH_CAP>
IA32_ARCH_CAPS=0x29<RDCL_NO,SKIP_L1DFL_VME,MDS_NO>
TSC: P-state invariant
Just FYI.
---
Yasuhiro Kimura
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