Hi Margus,
Have you tried upgrading to a more recent version of OFED/OpenIB?
Also which initiator are you using? I suspect open-iscsi?
Kind regards,
Joseph.
On 1 May 2011 20:25, Margusja <margus@xxxxxx> wrote:
> I set up xen server again. Mounted iscsi target without iser suport and the
> system is stable. No more kernel panics.
> But without iser supert iscsi target access much slower :(
>
> Tervitades, Margus (Margusja) Roo
> +372 51 48 780
> http://margus.roo.ee
> msn: margusja@xxxxxxxxx
> skype: margusja
>
>
> On 4/30/11 9:47 PM, Margus Roo wrote:
>>
>> CentOS 5.6
>> Linux 2.6.18-238.9.1.el5xen xen.x86_64
>> xen 3.0.3-120.el5_6.1
>>
>> I have storage server connected to the xen host server via infini band
>> iscsi iser.
>> InfiniBand: Mellanox Technologies MT26428 [ConnectX VPI PCIe 2.0 5GT/s -
>> IB QDR / 10GigE] (rev b0)
>>
>> I use openib.noarch 1.4.1-5.el5
>>
>> line from lsmod:
>> ib_core 105157 15
>> ib_iser,ib_srp,rds,ib_sdp,ib_ipoib,rdma_ucm,rdma_cm,ib_ucm,ib_uverbs,ib_umad,ib_cm,iw_cm,ib_sa,mlx4_ib,ib_mad
>>
>> some lines from dmsg:
>> ib_srp: ASYNC event= 17 on device= mlx4_0
>> ib_srp: ASYNC event= 11 on device= mlx4_0
>> ib_srp: ASYNC event= 9 on device= mlx4_0
>> scsi4 : iSCSI Initiator over TCP/IP
>> Vendor: IET Model: Controller Rev: 0001
>> Type: RAID ANSI SCSI revision: 05
>> scsi 4:0:0:0: Attached scsi generic sg2 type 12
>> Vendor: IET Model: VIRTUAL-DISK Rev: 0001
>> Type: Direct-Access ANSI SCSI revision: 05
>> SCSI device sdc: 20971520 512-byte hdwr sectors (10737 MB)
>> sdc: Write Protect is off
>> sdc: Mode Sense: 49 00 00 08
>> SCSI device sdc: drive cache: write back
>> SCSI device sdc: 20971520 512-byte hdwr sectors (10737 MB)
>> sdc: Write Protect is off
>> sdc: Mode Sense: 49 00 00 08
>> SCSI device sdc: drive cache: write back
>> sdc: sdc1 sdc2
>> sd 4:0:0:1: Attached scsi disk sdc
>> sd 4:0:0:1: Attached scsi generic sg3 type 0
>> Vendor: IET Model: VIRTUAL-DISK Rev: 0001
>> Type: Direct-Access ANSI SCSI revision: 05
>> SCSI device sdd: 1048576000 512-byte hdwr sectors (536871 MB)
>> sdd: Write Protect is off
>> sdd: Mode Sense: 49 00 00 08
>> SCSI device sdd: drive cache: write back
>> SCSI device sdd: 1048576000 512-byte hdwr sectors (536871 MB)
>> sdd: Write Protect is off
>> sdd: Mode Sense: 49 00 00 08
>> SCSI device sdd: drive cache: write back
>> sdd: sdd1 sdd2 sdd3 sdd4 < sdd5 >
>> sd 4:0:0:2: Attached scsi disk sdd
>> sd 4:0:0:2: Attached scsi generic sg4 type 0
>>
>> sdc and sdd are devices from storage server.
>>
>> I got several times xen host server pernel panic.
>> RIP [<ffff885d5f04>] :ib_ser: iser_reg_rdma_mem+0x111/0x77a
>> ...
>> Kernel panic - no syncing: Fatal exception
>>
>> Here is a screen shot I took:
>> http://margus.roo.ee/wp-content/uploads/2011/04/xen_host_crash.png
>>
>> -- with
>> Margus Roo
>> http://www.okia.ee
>>
>>
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>
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--
Kind regards,
Joseph.
Founder | Director
Orion Virtualisation Solutions | www.orionvm.com.au | Phone: 1300 56
99 52 | Mobile: 0428 754 846
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