linux-kernel - Re: [BUG] kvm: guest can not startup due to triple fault

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <AANLkTi=htiXrjAnQcm7=Rha+PYQA7iibn3WFRzyx_Owq@mail.gmail.com>
Date:	Mon, 18 Oct 2010 22:11:00 +0800
From:	Dave Young <hidave.darkstar@...il.com>
To:	Avi Kivity <avi@...hat.com>
Cc:	Ingo Molnar <mingo@...e.hu>, "H. Peter Anvin" <hpa@...or.com>,
	Jan Kiszka <jan.kiszka@....de>, kvm@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [BUG] kvm: guest can not startup due to triple fault

On Mon, Oct 18, 2010 at 10:06 PM, Avi Kivity <avi@...hat.com> wrote:
>  On 10/18/2010 03:58 PM, Dave Young wrote:
>>
>> >
>> >  Please patch hardware_setup() to show the value of
>> >  boot_cpu_has(X86_FEATURE_NX).
>>
>> It's 0

Please wait, I reply too quick, actually it boots two times fine then
one time fail.

The printk only happen once. So to make sure the result I retested
several times, can not get the print as well.

>
> Well, that's ridiculous.  Looking back at your /proc/cpuinfo:
>
>> processor       : 0
>> flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca
>> cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall lm
>> constant_tsc arch_perfmon pebs bts rep_good aperfmperf pni dtes64 monitor
>> ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm lahf_lm ida dts tpr_shadow vnmi
>> flexpriority
>>
>> processor       : 1
>> flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca
>> cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx lm
>> constant_tsc arch_perfmon pebs bts rep_good aperfmperf pni dtes64 monitor
>> ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm lahf_lm ida dts tpr_shadow vnmi
>> flexpriority
>
> processor 0 doesn't have nx.
>
> Ingo, Peter, any ideas?  Where did the missing feature go?
>
> --
> error compiling committee.c: too many arguments to function
>
>



-- 
Regards
dave
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/