Re: kern/55437: Panic: fpudna from kernel

[Sevan Janiyan <venture37%geeklan.co.uk@localhost>]

The following reply was made to PR kern/55437; it has been noted by GNATS.

From: Sevan Janiyan <venture37%geeklan.co.uk@localhost>
To: gnats-bugs%netbsd.org@localhost
Cc: 
Subject: Re: kern/55437: Panic: fpudna from kernel
Date: Fri, 3 Jul 2020 17:32:57 +0100

 On 03/07/2020 12:40, David Brownlee wrote:
 > Updated to 202007030000Z, fpu_set_default_cw panic on Thinkpad T480
 >  with /home on cgd, but no aes functions in stack
 
 Ah, I should've stated, I'm using FDE via cgdroot.kmod on a ThinkPad
 x230, cpuctl info:
 
 cpu0: highest basic info 0000000d
 cpu0: highest extended info 80000008
 cpu0: "Intel(R) Core(TM) i5-3230M CPU @ 2.60GHz"
 cpu0: Intel Xeon E3-1200v2 and 3rd gen core, Ivy Bridge (686-class),
 2594.11 MHz
 cpu0: family 0x6 model 0x3a stepping 0x9 (id 0x306a9)
 cpu0: features
 0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE>
 cpu0: features
 0xbfebfbff<MCA,CMOV,PAT,PSE36,CLFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2>
 cpu0: features 0xbfebfbff<SS,HTT,TM,SBF>
 cpu0: features1 0x7fbae3bf<SSE3,PCLMULQDQ,DTES64,MONITOR,DS-CPL,VMX,EST,TM2>
 cpu0: features1
 0x7fbae3bf<SSSE3,CX16,xTPR,PDCM,PCID,SSE41,SSE42,X2APIC,POPCNT>
 cpu0: features1 0x7fbae3bf<DEADLINE,AES,XSAVE,OSXSAVE,AVX,F16C,RDRAND>
 cpu0: features2 0x28100800<SYSCALL/SYSRET,XD,RDTSCP,EM64T>
 cpu0: features3 0x1<LAHF>
 cpu0: features5 0x281<FSGSBASE,SMEP,ERMS>
 cpu0: xsave features 0x7<x87,SSE,AVX>
 cpu0: xsave instructions 0x1<XSAVEOPT>
 cpu0: xsave area size: current 832, maximum 832, xgetbv enabled
 cpu0: enabled xsave 0x7<x87,SSE,AVX>
 cpu0: I-cache 32KB 64B/line 8-way, D-cache 32KB 64B/line 8-way
 cpu0: L2 cache 256KB 64B/line 8-way
 cpu0: L3 cache 3MB 64B/line 12-way
 cpu0: 64B prefetching
 cpu0: ITLB 64 4KB entries 4-way, 2M/4M: 8 entries
 cpu0: DTLB 64 4KB entries 4-way, 2M/4M: 32 entries (L0)
 cpu0: L2 STLB 512 4KB entries 4-way
 cpu0: Initial APIC ID 0
 cpu0: Cluster/Package ID 0
 cpu0: Core ID 0
 cpu0: SMT ID 0
 cpu0: MONITOR/MWAIT extensions 0x3<EMX,IBE>
 cpu0: monitor-line size 64
 cpu0: C1 substates 2
 cpu0: C2 substates 1
 cpu0: C3 substates 1
 cpu0: C4 substates 2
 cpu0: DSPM-eax 0x77<DTS,IDA,ARAT,PLN,ECMD,PTM>
 cpu0: DSPM-ecx 0x9<HWF,EPB>
 cpu0: SEF highest subleaf 00000000
 cpu0: Power Management features: 0x100<ITSC>
 cpu0: Perfmon-eax 0x7300403<VERSION=0x3,GPCounter=0x4,GPBitwidth=0x30>
 cpu0: Perfmon-eax 0x7300403<Vectorlen=0x7>
 cpu0: Perfmon-edx 0x603<FixedFunc=0x3,FFBitwidth=0x30>
 cpu0: microcode version 0x1b, platform ID 4