linux-kernel - Re: [x86LKP] PANIC: double fault, error

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Message-ID: <20141005063802.GE3264@tassilo.jf.intel.com>
Date:	Sat, 4 Oct 2014 23:38:02 -0700
From:	Andi Kleen <ak@...ux.intel.com>
To:	Fengguang Wu <fengguang.wu@...el.com>
Cc:	Jet Chen <jet.chen@...el.com>, Su Tao <tao.su@...el.com>,
	Yuanhan Liu <yuanhan.liu@...el.com>, LKP <lkp@...org>,
	linux-kernel@...r.kernel.org
Subject: Re: [x86LKP] PANIC: double fault, error_code: 0xffffffffffffffff

> [    5.087621] Freeing unused kernel memory: 1248K (ffff8800014c8000 - ffff880001600000)
> [    5.136856] Freeing unused kernel memory: 1936K (ffff88000181c000 - ffff880001a00000)
> [    5.167951] random: init urandom read with 5 bits of entropy available
> [   19.307116] PANIC: double fault, error_code: 0xffffffffffffffff
> [   19.309941] Kernel panic - not syncing: Machine halted.

That's odd. I actually tested it in KVM.

Will try with your config.

> kvm=(
> 	qemu-system-x86_64
> 	-cpu kvm64
> 	-enable-kvm
> 	-kernel $kernel
> 	-initrd $initrd
> 	-m 320
> 	-smp 2
> 	-net nic,vlan=1,model=e1000
> 	-net user,vlan=1
> 	-boot order=nc
> 	-no-reboot
> 	-watchdog i6300esb
> 	-rtc base=localtime
> 	-serial stdio
> 	-display none
> 	-monitor null 
> )

-Andi
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