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Re: [Xen-users] xen-4 + megasas(DELL 6i RAID) = Reject I/O to offline de

from [Pasi Kärkkäinen] [Permanent Link][Original]
To: Chao-Rui Chang <ppc52776@xxxxxxxxx>
Subject: Re: [Xen-users] xen-4 + megasas(DELL 6i RAID) = Reject I/O to offline device
From: Pasi Kärkkäinen <pasik@xxxxxx>
Date: Tue, 20 Jul 2010 20:17:12 +0300
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On Wed, Jul 21, 2010 at 01:11:59AM +0800, Chao-Rui Chang wrote:
>    Pasi,
> 
>    Yes, it works fine without xen.
> 

Ok. Did you try Xen 4.0.1-rc4 ? 

-- Pasi

>    2010/7/20 Pasi KÀrkkÀinen <[1]pasik@xxxxxx>
> 
>      On Tue, Jul 20, 2010 at 03:27:19PM +0800, Chao-Rui Chang wrote:
>      > Â  Â Dear folks,
>      >
>      > Â  Â I have problem with xen-4 + megasas driver (dell raid card 6i).
>      > Â  Â The raid controller goes offline randomly.
>      >
>      > Â  Â This may be the xen hypervisor problem.
>      >
> 
>      I don't think it's a problem with Xen hypervisor.
>      It's more probably a problem with the dom0 kernel.
> 
>      Does the same kernel work OK when it's booted on native baremetal
>      (without Xen) ?
> 
>      -- Pasi
>      > Â  Â The following is the log message from xen 4.0 and 4.1-unstable:
>      >
>      > Â  Â xen 4.1-unstable + kernel [1][2]2.6.32.16:
>      > Â  Â Ã* Ã* Ã* Ã* Ã* Â ->System can boot, but megasas fail after about
>      3-4 hours
>      > Â  Â Ã* Ã* Ã* Ã* Â megasas: [ 0]waiting for 25 commands to complete
>      > Â  Â Ã* Ã* Ã* Ã* Â megasas: [ 5]waiting for 25 commands to complete
>      > Â  Â Ã* Ã* Ã* Ã* Â megasas: [10]waiting for 25 commands to complete
>      > Â  Â Ã* Ã* Ã* Ã* Â megasas: [15]waiting for 25 commands to complete
>      > Â  Â Ã* Ã* Ã* Ã* Â megasas: [20]waiting for 25 commands to complete
>      > Â  Â Ã* Ã* Ã* Ã* Â megasas: [25]waiting for 25 commands to complete
>      > Â  Â Ã* Ã* Ã* Ã* Ã* Ã* Ã* Ã* Ã* Ã* Ã* Ã* Ã* Ã* Ã* Ã* Ã* Ã* Ã* Ã* Ã*
>      Â ...
>      > Â  Â Ã* Ã* Ã* Ã* Â megasas: cannot recover from previous reset
>      failures
>      > Â  Â Ã* Ã* Ã* Ã* Â end_request: I/O error, dev sda, sector 46755821
>      > Â  Â Ã* Ã* Ã* Ã* Â Buffer I/O error on device dm-0, logical block
>      5818372
>      > Â  Â Ã* Ã* Ã* Ã* Â lost page write due to I/O error on dm-0
>      > Â  Â Ã* Ã* Ã* Ã* Â Buffer I/O error on device dm-0, logical block
>      5818373
>      > Â  Â Ã* Ã* Ã* Ã* Ã* Ã* Ã* Ã* Ã* Ã* Ã* Ã* Ã* Ã* Ã* Ã* Ã* Ã* Ã* Ã* Â ...
>      > Â  Â Ã* Ã* Ã* Ã* Â end_request: I/O error, dev sda, sector 7024621
>      > Â  Â Ã* Ã* Ã* Ã* Â Aborting journal on device dm-0.
>      > Â  Â Ã* Ã* Ã* Ã* Â end_request: I/O error, dev sda, sector 7024653
>      > Â  Â Ã* Ã* Ã* Ã* Ã* Ã* Ã* Ã* Ã* Ã* Ã* Ã* Ã* Ã* Ã* Ã* Ã* Ã* Ã* Ã* Â ...
>      > Â  Â Ã* Ã* Ã* Ã* Â ext4-fs error (device dm-0) in ext4_dirty_inode:
>      Journal has
>      > Â  Â aborted
>      > Â  Â Ã* Ã* Ã* Ã* Â sd 0:2:0:0: rejecting I/O to offline device
>      > Â  Â Ã* Ã* Ã* Ã* Â ext4_abort called.
>      > Â  Â Ã* Ã* Ã* Ã* Â ext4-fs error (device dm-0): ext4_journal_start_sb:
>      Detected
>      > Â  Â aborted journal
>      > Â  Â Ã* Ã* Ã* Ã* Â Remounting filesystem read-only
>      > Â  Â Ã* Ã* Ã* Ã* Â end_request: I/O error, dev sda, sector 7024861
>      > Â  Â Ã* Ã* Ã* Ã* Â end_request: I/O error, dev sda, sector 7024893
>      > Â  Â Ã* Ã* Ã* Ã* Â ext4-fs error (device dm-0) in
>      ext4_reserve_inode_write: Journal
>      > Â  Â has aborted
>      > Â  Â Ã* Ã* Ã* Ã* Â ext4-fs error (device dm-0) in
>      ext4_reserve_inode_write: Journal
>      > Â  Â has aborted
>      > Â  Â Ã* Ã* Ã* Ã* Â end_request: I/O error, dev sda, sector 7024965
>      > Â  Â Ã* Ã* Ã* Ã* Ã* Ã* Ã* Ã* Ã* Ã* Ã* Ã* Ã* Ã* Ã* Ã* Ã* Ã* Â ...
>      > Â  Â Ã* Ã* Ã* Ã* Â Buffer I/O error on device dm-0, logical block 1
>      > Â  Â Ã* Ã* Ã* Ã* Â lost page write due to I/O error on dm-0
>      > Â  Â Ã* Ã* Ã* Ã* Â sd 0:2:0:0: rejecting I/O to offline device
>      > Â  Â Ã* Ã* Ã* Ã* Â sd 0:2:0:0: rejecting I/O to offline device
>      > Â  Â Ã* Ã* Ã* Ã* Ã* Ã* Ã* Ã* Ã* Ã* Ã* Ã* Ã* Ã* Ã* Ã* Ã* Ã* Â ...
>      >
>      > Â  Â xen 4.0-stable + kernel [2][3]2.6.32.16:
>      > Â  Â Ã* Ã* Ã* Ã* Ã* Â ->System can not boot, megasas fail at boot time
>      > Â  Â xen: registering gsi 33 triggering 0 polarity 1
>      > Â  Â xen: --> irq=33
>      > Â  Â megaraid_sas 0000:03:00.0: PCI INT A -> GSI 33 (level, low) ->
>      IRQ 33
>      > Â  Â megaraid_sas 0000:03:00.0: setting latency timer to 64
>      > Â  Â megasas: FW now in Ready state
>      > Â  Â scsi0 : LSI SAS based MegaRAID driver
>      > Â  Â scsi 0:0:0:0: Direct-AccessÃ* Ã* Ã* Ã* Â ATAÃ* Ã* Ã* Ã* Ã* Â WDC
>      WD1002FBYS-1 0C10
>      > Â  Â PQ: 0 ANSI: 5
>      > Â  Â scsi 0:0:1:0: Direct-AccessÃ* Ã* Ã* Ã* Â ATAÃ* Ã* Ã* Ã* Ã* Â WDC
>      WD1002FBYS-1 0C10
>      > Â  Â PQ: 0 ANSI: 5
>      > Â  Â scsi 0:0:2:0: Direct-AccessÃ* Ã* Ã* Ã* Â ATAÃ* Ã* Ã* Ã* Ã* Â WDC
>      WD1002FBYS-1 0C10
>      > Â  Â PQ: 0 ANSI: 5
>      > Â  Â scsi 0:0:32:0: EnclosureÃ* Ã* Ã* Ã* Ã* Ã* Ã* Ã* Â DPÃ* Ã* Ã* Ã*
>      Ã* Ã*
>      > Â  Â BACKPLANEÃ* Ã* Ã* Ã* Ã* Ã* Ã* Â 1.07 PQ: 0 ANSI: 5
>      > Â  Â scsi 0:2:0:0: Direct-AccessÃ* Ã* Ã* Ã* Â DELLÃ* Ã* Ã* Ã* Â PERC
>      6/iÃ* Ã* Ã* Ã* Ã* Ã* Ã* Ã*
>      > Â  Â 1.22 PQ: 0 ANSI: 5
>      > Â  Â megasas: [ 0]waiting for 25 commands to complete
>      > Â  Â megasas: [ 5]waiting for 25 commands to complete
>      > Â  Â Ã* Ã* Ã* Ã* Ã* Ã* Ã* Ã* Ã* Ã* Ã* Ã* Ã* Â ....
>      >
>      > Â  Â any idea about this problem?
>      >
>      > Â  Â Thanks.
>      > Â  Â -----------------------------------------------------
>      > Â  Â Best regards,
>      > Â  Â Chao-Rui
>      >
>      > References
>      >
>      > Â  Â Visible links
>      > Â  Â 1. [4]http://2.6.32.16/
>      > Â  Â 2. [5]http://2.6.32.16/
> 
>      > _______________________________________________
>      > Xen-users mailing list
>      > [6]Xen-users@xxxxxxxxxxxxxxxxxxx
>      > [7]http://lists.xensource.com/xen-users
> 
> References
> 
>    Visible links
>    1. mailto:pasik@xxxxxx
>    2. http://2.6.32.16/
>    3. http://2.6.32.16/
>    4. http://2.6.32.16/
>    5. http://2.6.32.16/
>    6. mailto:Xen-users@xxxxxxxxxxxxxxxxxxx
>    7. http://lists.xensource.com/xen-users

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