[Xen-devel] Re: BUG: unable to handle kernel paging request at ffff8803bb6ad000

[rush <rush1503@xxxxxxxxx>]

OK, I tried it again, but Oops didn't gone.

menuentry 'Debian GNU/Linux, with Xen 4.0-amd64 and Linux
3.0.0-1-amd64' --class debian --class gnu-linux --class gnu --class os
--class xen {
        insmod raid
        insmod mdraid1x
        insmod lvm
        insmod part_msdos
        insmod part_msdos
        insmod ext2
        set root='(xen-system)'
        search --no-floppy --fs-uuid --set=root
709c172b-19b2-417d-8a43-e1957bcdc2f6
        echo    'Loading Xen 4.0-amd64 ...'
        multiboot       /boot/xen-4.0-amd64.gz placeholder xsave=0
        echo    'Loading Linux 3.0.0-1-amd64 ...'
        module  /boot/vmlinuz-3.0.0-1-amd64 placeholder
root=/dev/mapper/xen-system ro quiet
        echo    'Loading initial ramdisk ...'
        module  /boot/initrd.img-3.0.0-1-amd64
}

Was it right?

[   24.242539] BUG: unable to handle kernel paging request at ffff8803be1ab000
[   24.242780] IP: [<ffffffff810106db>] __sanitize_i387_state+0x23/0xe1
[   24.242956] PGD 1604067 PUD 3d82d9067 PMD 3d84ca067 PTE 0
[   24.243309] Oops: 0000 [#1] SMP
[   24.243533] CPU 0
[   24.243601] Modules linked in: xt_tcpudp xt_physdev iptable_filter
ip_tables x_tables xen_netback xen_blkback bridge stp xen_evtchn xenfs
loop snd_pcm snd_timer snd soundcore snd_page_alloc i2c_i801 joydev
evdev pcspkr ghes i2c_core video processor hed button ext4 mbcache
jbd2 crc16 dm_mod raid1 md_mod usbhid hid sg sd_mod crc_t10dif ahci
libahci libata scsi_mod ehci_hcd fan thermal usbcore thermal_sys
e1000e [last unloaded: scsi_wait_scan]
[   24.247197]
[   24.247291] Pid: 2526, comm: forks Not tainted 3.0.0-1-amd64 #1
Intel Corporation S1200BTL/S1200BTL
[   24.247621] RIP: e030:[<ffffffff810106db>]  [<ffffffff810106db>]
__sanitize_i387_state+0x23/0xe1
[   24.247829] RSP: e02b:ffff88034862be00  EFLAGS: 00010246
[   24.247935] RAX: 0000000000000000 RBX: 00007fff1755a8c0 RCX: 0000000000000200
[   24.248047] RDX: ffff8803be1aae00 RSI: ffff88034862bfd8 RDI: ffff8803bbf55650
[   24.248159] RBP: ffff8803bbf55650 R08: ffff88034862a000 R09: ffffffff81684640
[   24.248271] R10: 00007fe2b7cd09d0 R11: 0000000000000246 R12: 0000000000000000
[   24.248384] R13: ffffffffffffffff R14: ffff8803bbf55650 R15: 00007fff1755a8c0
[   24.248498] FS:  00007fe2b7cd0700(0000) GS:ffff8803d614f000(0000)
knlGS:0000000000000000
[   24.248641] CS:  e033 DS: 0000 ES: 0000 CR0: 000000008005003b
[   24.248750] CR2: ffff8803be1ab000 CR3: 00000003bc23c000 CR4: 0000000000002660
[   24.248862] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   24.248976] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[   24.249088] Process forks (pid: 2526, threadinfo ffff88034862a000,
task ffff8803bbf55650)
[   24.249231] Stack:
[   24.249325]  ffffffff81010919 0000000000413201 ffff88034862bf58
0000000000000011
[   24.249715]  ffff8803bbf55ae0 ffffffffffffffff ffffffff81008fdd
0000000000000000
[   24.250101]  00007fff1755a6f8 0000000000000011 0000000000040001
0000fffe000009df
[   24.250491] Call Trace:
[   24.250589]  [<ffffffff81010919>] ? save_i387_xstate+0x102/0x1f3
[   24.250700]  [<ffffffff81008fdd>] ? do_signal+0x212/0x649
[   24.250810]  [<ffffffff8133733a>] ? error_exit+0x2a/0x60
[   24.250916]  [<ffffffff81009450>] ? do_notify_resume+0x25/0x6b
[   24.251027]  [<ffffffff8133bfe0>] ? int_signal+0x12/0x17
[   24.251132] Code: e8 13 2a ff ff 66 90 c3 48 8b 97 48 04 00 00 48
85 d2 0f 84 d0 00 00 00 48 8b 47 08 f6 40 14 01 74 02 0f 0b 48 8b 05
45 4e 71 00
[   24.253911]  8b b2 00 02 00 00 48 89 c1 48 21 f1 48 39 c1 0f 84 a7 00 00
[   24.255408] RIP  [<ffffffff810106db>] __sanitize_i387_state+0x23/0xe1
[   24.255581]  RSP <ffff88034862be00>
[   24.255680] CR2: ffff8803be1ab000
[   24.255780] ---[ end trace e9c161e4e81bf087 ]---

2011/10/3, Ian Campbell <ijc@xxxxxxxxxxxxxx>:
> On Mon, 2011-10-03 at 14:47 -0400, Konrad Rzeszutek Wilk wrote:
>> >         echo    'Loading Xen 4.0-amd64 ...'
>> >         multiboot       /boot/xen-4.0-amd64.gz placeholder
>>
>> Oops. I meant to try it in the hypervisor - so right after placeholder add
>> "xsave=0"
>
> Which in grub2 means add GRUB_CMDLINE_XEN="xsave=0" to /etc/default/grub
> (there is no commented out example in this case) and re-run update-grub.
>
> Ian.
>
> --
> Ian Campbell
>
>
> Many a bum show has been saved by the flag.
>               -- George M. Cohan
>

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