Re: latest current and kqemu cause a VM panic

From: Norikatsu Shigemura <nork_at_FreeBSD.org>
Date: Sun, 15 May 2005 00:49:02 +0900 (JST)
	Oops, I forgot Cc: qemu's port maintainer and a author of
	KQEMU on FreeBSD.

On Sun, 15 May 2005 00:31:33 +0900 (JST)
Norikatsu Shigemura <nork_at_freebsd.org> wrote:
> 	I contacted a VM panic on following environment.
> 
> 	FreeBSD:	current	(2005/05/14)
> 	Application:	ports/emulators/qemu with KQEMU(WITH_KQEMU
> 			option).
> 	To do something:
> 	I'm compiling FreeBSD 5.4-RELEASE-p1 (make buildworld) as
> 	guest on qemu, and, after a while, current causes a panic.
> 
> 	P.S.
> 	I have never contacted a panic like following without qemu.
> 
> 
> FreeBSD 6.0-CURRENT #5: Sat May 14 20:47:35 JST 2005
>     nork_at_nadesico.ninth-nine.com:/usr/obj/usr/src/sys/NADESICO
> ACPI APIC Table: <VIA694 AWRDACPI>
> Timecounter "i8254" frequency 1193182 Hz quality 0
> CPU: Intel(R) Pentium(R) III CPU family      1133MHz (1129.08-MHz 686-class CPU)
>   Origin = "GenuineIntel"  Id = 0x6b1  Stepping = 1
>   Features=0x383fbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR,SSE>
> real memory  = 1610547200 (1535 MB)
> avail memory = 1568923648 (1496 MB)
> FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs
>  cpu0 (BSP): APIC ID:  0
>  cpu1 (AP): APIC ID:  1
> ioapic0 <Version 1.1> irqs 0-23 on motherboard
> QEMU Accelerator Module version 1.0.0, Copyright (c) 2005 Fabrice Bellard
> FreeBSD wrapper port, Copyright (c) 2005  Antony T Curtis
> This is a proprietary product. Read the LICENSE file for more information
> Redistribution of this module is prohibited without authorization
> kqemu: KQEMU installed, max_instances=4 max_locked_mem=131072kB.
> 
> 	(snip)
> 
> login: info: [drm] Loading R200 Microcode
> panic: vm_page_insert: page already inserted
> cpuid = 0
> KDB: enter: panic
> [thread pid 32128 tid 100222 ]
> Stopped at      kdb_enter+0x30: leave   
> db> where
> Tracing pid 32128 tid 100222 td 0xc3c30000
> kdb_enter(c0663e9f,0,c0672378,f8823b7c,f8823b80) at kdb_enter+0x30
> panic(c0672378,f8823b94,c3c30000,c22cebe8,0) at panic+0x14e
> vm_page_insert(c22cebe8,c80e4840,2,0,c13de698) at vm_page_insert+0x2a
> vm_page_alloc(c80e4840,2,0,0,f8823c44) at vm_page_alloc+0x348
> vm_fault(c3c23a8c,805b000,2,8,f8823cec) at vm_fault+0xa30
> trap_pfault(f8823d38,1,805b188,bfbfe440,805b188) at trap_pfault+0x13b
> trap(c062003b,3b,3b,8062034,8062048) at trap+0x21a
> calltrap() at calltrap+0x5
> --- trap 0xc, eip = 0x68c3e5ac, esp = 0xbfbfe400, ebp = 0xbfbfe428 ---
> db> show pcpu 0
> cpuid        = 0
> curthread    = 0xc3c30000: pid 32128 "gnome-netstatus-app"
> curpcb       = 0xf8823d90
> fpcurthread  = none
> idlethread   = 0xc2bf0780: pid 12 "idle: cpu0"
> APIC ID      = 0
> currentldt   = 0x50
> db> show pcpu 1
> cpuid        = 1
> curthread    = 0xc2bf0600: pid 11 "idle: cpu1"
> curpcb       = 0xe433dd90
> fpcurthread  = none
> idlethread   = 0xc2bf0600: pid 11 "idle: cpu1"
> APIC ID      = 1
> currentldt   = 0x50
Received on Sat May 14 2005 - 13:49:07 UTC

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