All of lore.kernel.org
 help / color / mirror / Atom feed
From: Sasha Levin <levinsasha928@gmail.com>
To: avi@redhat.com, mtosatti@redhat.com
Cc: Dave Jones <davej@redhat.com>,
	kvm@vger.kernel.org,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: kvm: KVM internal error. Suberror: 1
Date: Sun, 06 May 2012 19:19:25 +0200	[thread overview]
Message-ID: <1336324765.3638.4.camel@lappy> (raw)

Hi all,

During some fuzzing with trinity in a KVM guest running on qemu, I got the following error:

KVM internal error. Suberror: 1
emulation failure
RAX=0000000000000000 RBX=ffff8800284108e0 RCX=0000000000000001 RDX=ffffffff84482008
RSI=1030000000000000 RDI=8180000000000000 RBP=ffff880028723d38 RSP=ffff880028723ce8
R8 =0000000000000206 R9 =fffffffff7e80206 R10=0000000000000000 R11=0000000000000000
R12=ffff880028410000 R13=ffffffff846ba1c0 R14=ffffffff84a74970 R15=0000000000009530
RIP=ffffffff8111c862 RFL=00010046 [---Z-P-] CPL=0 II=0 A20=1 SMM=0 HLT=0
ES =0000 0000000000000000 ffffffff 00000000
CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA]
SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS   [-WA]
DS =0000 0000000000000000 ffffffff 00000000
FS =0000 00007f955873b700 ffffffff 00000000
GS =0000 ffff880035a00000 ffffffff 00000000
LDT=0000 0000000000000000 ffffffff 00000000
TR =0040 ffff880035bd2480 00002087 00008b00 DPL=0 TSS64-busy
GDT=     ffff880035a04000 0000007f
IDT=     ffffffff8436a000 00000fff
CR0=8005003b CR2=00007f5cfdad0518 CR3=000000001a154000 CR4=000407e0
DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 
DR6=00000000ffff0ff0 DR7=0000000000000400
EFER=0000000000000d01
Code=66 90 e8 7b 97 ff ff b8 01 00 00 00 eb 1c 0f 1f 40 00 31 c0 <83> 3d 97 9f c7 02 00 0f 95 c0 eb 0a 66 90 31 c0 66 0f 1f 44 00 00 48 8b 5d d8 4c 8b 65 e0
KVM internal error. Suberror: 1
emulation failure
RAX=ffff88000d5f8000 RBX=ffff88000d600010 RCX=0000000000000001 RDX=0000000000000000
RSI=0000000000000001 RDI=ffff88000d5f8000 RBP=ffff88000d601ec8 RSP=ffff88000d601ec8
R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000000 R11=0000000000000000
R12=ffffffff83fed960 R13=0000000000000000 R14=0000000000000000 R15=0000000000000000
RIP=ffffffff8107d696 RFL=00000286 [--S--P-] CPL=0 II=0 A20=1 SMM=0 HLT=0
ES =0000 0000000000000000 ffffffff 00000000
CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA]
SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS   [-WA]
DS =0000 0000000000000000 ffffffff 00000000
FS =0000 0000000000000000 ffffffff 00000000
GS =0000 ffff880029800000 ffffffff 00000000
LDT=0000 0000000000000000 ffffffff 00000000
TR =0040 ffff8800299d2480 00002087 00008b00 DPL=0 TSS64-busy
GDT=     ffff880029804000 0000007f
IDT=     ffffffff8436a000 00000fff
CR0=8005003b CR2=00007fcfa03f9e9c CR3=0000000003a1c000 CR4=000407e0
DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 
DR6=00000000ffff0ff0 DR7=0000000000000400
EFER=0000000000000d01
Code=89 e5 fb c9 c3 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 fb f4 <c9> c3 0f 1f 84 00 00 00 00 00 55 48 89 e5 f4 c9 c3 66 0f 1f 84 00 00 00 00 00 55 8b 07 48
KVM internal error. Suberror: 1
emulation failure
RAX=ffff88000d5db000 RBX=ffff88000d5ce010 RCX=0000000000000001 RDX=0000000000000000
RSI=0000000000000001 RDI=ffff88000d5db000 RBP=ffff88000d5cfec8 RSP=ffff88000d5cfec8
R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000000 R11=0000000000000000
R12=ffffffff83fed960 R13=0000000000000000 R14=0000000000000000 R15=0000000000000000
RIP=ffffffff8107d696 RFL=00000286 [--S--P-] CPL=0 II=0 A20=1 SMM=0 HLT=0
ES =0000 0000000000000000 ffffffff 00000000
CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA]
SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS   [-WA]
DS =0000 0000000000000000 ffffffff 00000000
FS =0000 0000000000000000 ffffffff 00000000
GS =0000 ffff88001b800000 ffffffff 00000000
LDT=0000 0000000000000000 ffffffff 00000000
TR =0040 ffff88001b9d2480 00002087 00008b00 DPL=0 TSS64-busy
GDT=     ffff88001b804000 0000007f
IDT=     ffffffff8436a000 00000fff
CR0=8005003b CR2=00007fcfa076b518 CR3=000000001a148000 CR4=000407e0
DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 
DR6=00000000ffff0ff0 DR7=0000000000000400
EFER=0000000000000d01
Code=89 e5 fb c9 c3 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 fb f4 <c9> c3 0f 1f 84 00 00 00 00 00 55 48 89 e5 f4 c9 c3 66 0f 1f 84 00 00 00 00 00 55 8b 07 48

The assembly doesn't quite make sense, and the fact that I got 3 of these in a row, makes me believe that it isn't an actual emulation error, but something else.

             reply	other threads:[~2012-05-06 17:19 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-05-06 17:19 Sasha Levin [this message]
2012-05-07  8:29 ` kvm: KVM internal error. Suberror: 1 Avi Kivity
2012-05-11 11:40   ` Sasha Levin
2012-05-27  0:55     ` Sasha Levin
2012-05-27  6:21       ` Gleb Natapov
2012-05-27  8:23         ` Sasha Levin
2012-05-27  8:41           ` Gleb Natapov
2012-05-28  9:25           ` Avi Kivity

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1336324765.3638.4.camel@lappy \
    --to=levinsasha928@gmail.com \
    --cc=avi@redhat.com \
    --cc=davej@redhat.com \
    --cc=kvm@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mtosatti@redhat.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.