From mboxrd@z Thu Jan 1 00:00:00 1970 From: Boris Derzhavets Subject: Re: Re: 2.6.37-rc1 mainline domU - BUG: unable to handle kernel paging request Date: Thu, 11 Nov 2010 08:29:38 -0800 (PST) Message-ID: <863298.28082.qm@web56105.mail.re3.yahoo.com> References: <20101111160924.GA28059@dumpdata.com> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============1904069801==" Return-path: In-Reply-To: <20101111160924.GA28059@dumpdata.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Konrad Rzeszutek Wilk Cc: Jeremy Fitzhardinge , xen-devel@lists.xensource.com, Bruce Edge List-Id: xen-devel@lists.xenproject.org --===============1904069801== Content-Type: multipart/alternative; boundary="0-860040727-1289492978=:28082" --0-860040727-1289492978=:28082 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable > Boris, what version of Linux kernel worked for you as PV DomU? 2.6.36? 2.= 6.35? Konrad, The version is 2.6.37-rc1,=A0 been built from upstream source. Boris. --- On Thu, 11/11/10, Konrad Rzeszutek Wilk wrote: From: Konrad Rzeszutek Wilk Subject: Re: [Xen-devel] Re: 2.6.37-rc1 mainline domU - BUG: unable to hand= le kernel paging request To: "Boris Derzhavets" Cc: "Jeremy Fitzhardinge" , xen-devel@lists.xensource.com,= "Bruce Edge" Date: Thursday, November 11, 2010, 11:09 AM On Thu, Nov 11, 2010 at 04:08:03AM -0800, Boris Derzhavets wrote: > Now reproduced :- >=20 > root@boris-HVM-domU:~# scp=A0 1.log 192.168.1.12:/home/boris/ubuntu > BUG: unable to handle kernel paging request at ffff88000e676930 > IP: [] xen_set_pmd+0x24/0x44 > PGD 1a04067 PUD 1a08067 PMD ee73067 PTE 801000000e676065 > Oops: 0003 [#1] SMP=20 > last sysfs file: /sys/devices/virtual/bdi/0:22/uevent > CPU 0=20 > Modules linked in: nfs fscache parport_pc ppdev nfsd lockd nfs_acl auth_r= pcgss sunrpc exportfs ipv6 lp parport >=20 > Pid: 3534, comm: scp Not tainted 2.6.37-rc1 #1 / Yikes. So no PCI passthrough, just a normal PV DomU. Boris, what version of Linux kernel worked for you as PV DomU? 2.6.36? 2.6.= 35? > RIP: e030:[]=A0 [] xen_set_pmd+0x24/0= x44 > RSP: e02b:ffff88006e697b18=A0 EFLAGS: 00010246 > RAX: 0000000000000000 RBX: ffff88000e676930 RCX: ffffc00000000f98 > RDX: ffffea0000000000 RSI: 0000000000000000 RDI: ffff88000e676930 > RBP: ffff88006e697b28 R08: 00007fff9d120000 R09: ffff88007ffc80a0 > R10: 0000000000000000 R11: ffff88006e697ae8 R12: 0000000000000000 > R13: ffff88007ffcb140 R14: ffff88000e676930 R15: ffff88006f08d7f8 > FS:=A0 00007fa525896700(0000) GS:ffff88007ffbd000(0000) knlGS:00000000000= 00000 > CS:=A0 e033 DS: 0000 ES: 0000 CR0: 000000008005003b > CR2: ffff88000e676930 CR3: 0000000077b0f000 CR4: 0000000000002660 > DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 > DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 > Process scp (pid: 3534, threadinfo ffff88006e696000, task ffff88007a32c2c= 0) > Stack: > =A000007fa524e00000 00007fa525b37000 ffff88006e697be8 ffffffff810dc4a4 > =A0ffff88007a26ac88 ffff88006e690298 ffff88007a26ac78 00007fa524a00000 > =A000007f8000000000 00007fff80000000 00007fa525b36fff 00007fa525b36fff > Call Trace: > =A0[] free_pgd_range+0x213/0x397 > =A0[] free_pgtables+0xa4/0xc7 > =A0[] exit_mmap+0xf2/0x12a > =A0[] mmput+0x5e/0xd1 > =A0[] flush_old_exec+0x526/0x600 > =A0[] load_elf_binary+0x2dc/0x1752 > =A0[] ? load_misc_binary+0x6e/0x367 > =A0[] ? ima_must_measure+0x21/0x2b > =A0[] ? process_measurement+0x56/0xe4 > =A0[] search_binary_handler+0xbb/0x24d > =A0[] ? load_elf_binary+0x0/0x1752 > =A0[] do_execve+0x1c1/0x2ae > =A0[] sys_execve+0x3e/0x55 > =A0[] stub_execve+0x6c/0xc0 > Code: 48 83 c4 18 5b c9 c3 55 48 89 e5 41 54 49 89 f4 53 48 89 fb e8 b5 e= 4 ff ff 48 89 df ff 05 3e 55 c3 00 e8 d5 dd ff ff 84 c0 75 05 <4c> 89 23 eb= 16 e8 99 e4 ff ff 4c 89 e6 48 89 df ff 05 23 55 c3=20 > RIP=A0 [] xen_set_pmd+0x24/0x44 > =A0RSP > CR2: ffff88000e676930 > ---[ end trace 073da74f4ce02315 ]--- > lost connection _______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com http://lists.xensource.com/xen-devel =0A=0A=0A --0-860040727-1289492978=:28082 Content-Type: text/html; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable
> Boris, what version of Linux kernel work= ed for you as PV DomU? 2.6.36? 2.6.35?

Konrad,

The version is= 2.6.37-rc1,  been built from upstream source.

Boris.

--= - On Thu, 11/11/10, Konrad Rzeszutek Wilk <konrad.wilk@oracle.com&= gt; wrote:

From: Konrad Rzeszutek W= ilk <konrad.wilk@oracle.com>
Subject: Re: [Xen-devel] Re: 2.6.37-r= c1 mainline domU - BUG: unable to handle kernel paging request
To: "Bori= s Derzhavets" <bderzhavets@yahoo.com>
Cc: "Jeremy Fitzhardinge" &l= t;jeremy@goop.org>, xen-devel@lists.xensource.com, "Bruce Edge" <bruc= e.edge@gmail.com>
Date: Thursday, November 11, 2010, 11:09 AM

=
On Thu, Nov 11, 2010 at 04:08:03AM -0800, Boris Derzhavets wrote:
> Now reproduced :-
>
> root@boris-HV= M-domU:~# scp  1.log 192.168.1.12:/home/boris/ubuntu
> BUG: unab= le to handle kernel paging request at ffff88000e676930
> IP: [<fff= fffff810069c3>] xen_set_pmd+0x24/0x44
> PGD 1a04067 PUD 1a08067 PM= D ee73067 PTE 801000000e676065
> Oops: 0003 [#1] SMP
> last sy= sfs file: /sys/devices/virtual/bdi/0:22/uevent
> CPU 0
> Modul= es linked in: nfs fscache parport_pc ppdev nfsd lockd nfs_acl auth_rpcgss s= unrpc exportfs ipv6 lp parport
>
> Pid: 3534, comm: scp Not ta= inted 2.6.37-rc1 #1 /

Yikes. So no PCI passthrough, just a normal PV= DomU.

Boris, what version of Linux kernel worked for you as PV DomU= ? 2.6.36? 2.6.35?

> RIP: e030:[<ffffffff810069c3>]  [&= lt;ffffffff810069c3>] xen_set_pmd+0x24/0x44
> RSP: e02b:ffff88006e= 697b18  EFLAGS: 00010246
> RAX: 0000000000000000 RBX: ffff88000e676930 RCX: ffffc00000000f98
> RDX: ffffea0000000000 RSI: = 0000000000000000 RDI: ffff88000e676930
> RBP: ffff88006e697b28 R08: 0= 0007fff9d120000 R09: ffff88007ffc80a0
> R10: 0000000000000000 R11: ff= ff88006e697ae8 R12: 0000000000000000
> R13: ffff88007ffcb140 R14: fff= f88000e676930 R15: ffff88006f08d7f8
> FS:  00007fa525896700(0000= ) GS:ffff88007ffbd000(0000) knlGS:0000000000000000
> CS:  e033 D= S: 0000 ES: 0000 CR0: 000000008005003b
> CR2: ffff88000e676930 CR3: 0= 000000077b0f000 CR4: 0000000000002660
> DR0: 0000000000000000 DR1: 00= 00000000000000 DR2: 0000000000000000
> DR3: 0000000000000000 DR6: 000= 00000ffff0ff0 DR7: 0000000000000400
> Process scp (pid: 3534, threadi= nfo ffff88006e696000, task ffff88007a32c2c0)
> Stack:
>  0= 0007fa524e00000 00007fa525b37000 ffff88006e697be8 ffffffff810dc4a4
> =  ffff88007a26ac88 ffff88006e690298 ffff88007a26ac78 00007fa524a00000
>  00007f8000000000 00007fff80000000 00007fa52= 5b36fff 00007fa525b36fff
> Call Trace:
>  [<ffffffff810= dc4a4>] free_pgd_range+0x213/0x397
>  [<ffffffff810dc6cc&g= t;] free_pgtables+0xa4/0xc7
>  [<ffffffff810dfd82>] exit_m= map+0xf2/0x12a
>  [<ffffffff8104a7c5>] mmput+0x5e/0xd1
= >  [<ffffffff8110694b>] flush_old_exec+0x526/0x600
> &n= bsp;[<ffffffff8113e006>] load_elf_binary+0x2dc/0x1752
>  [= <ffffffff8113b687>] ? load_misc_binary+0x6e/0x367
>  [<= ffffffff811dcee4>] ? ima_must_measure+0x21/0x2b
>  [<fffff= fff811dc7d6>] ? process_measurement+0x56/0xe4
>  [<fffffff= f81106195>] search_binary_handler+0xbb/0x24d
>  [<ffffffff= 8113dd2a>] ? load_elf_binary+0x0/0x1752
>  [<ffffffff81107= 85d>] do_execve+0x1c1/0x2ae
>  [<ffffffff810119e5>] sys_execve+0x3e/0x55
>  [<f= fffffff8100af9c>] stub_execve+0x6c/0xc0
> Code: 48 83 c4 18 5b c9 = c3 55 48 89 e5 41 54 49 89 f4 53 48 89 fb e8 b5 e4 ff ff 48 89 df ff 05 3e = 55 c3 00 e8 d5 dd ff ff 84 c0 75 05 <4c> 89 23 eb 16 e8 99 e4 ff ff 4= c 89 e6 48 89 df ff 05 23 55 c3
> RIP  [<ffffffff810069c3>= ;] xen_set_pmd+0x24/0x44
>  RSP <ffff88006e697b18>
>= CR2: ffff88000e676930
> ---[ end trace 073da74f4ce02315 ]---
>= lost connection

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