I am using Debian Lenny with
Linux DebianTemp 2.6.26-2-xen-amd64 #1 SMP Fri Aug 14 10:19:53 UTC
2009 x86_64 GNU/Linux
and open iscsi 2.0..870~rc

after successfully logging into our portal:

Logging in to [iface: default, target: iqn.
2002-10.com.infortrend:raid.sn7613004.101, portal:
192.168.91.101,3260]
[   57.940186] scsi0 : iSCSI Initiator over TCP/IP
[   58.237654] scsi 0:0:0:0: Direct-Access     IFT      S16E-
R1130       364J PQ: 0 ANSI: 5
Login to [iface: default, target: iqn.
2002-10.com.infortrend:raid.sn7613004.101, portal:
192.168.91.101,3260]: successful
DebianTemp:~# [   58.284344] register_blkdev: cannot get major 8 for
sd
[   58.284344] Driver 'sd' needs updating - please use bus_type
methods
[   58.286351] sd 0:0:0:0: [sda] Very big device. Trying to use READ
CAPACITY(16).
[   58.287203] sd 0:0:0:0: [sda] 5858973696 512-byte hardware sectors
(2999795 MB)
[   58.287702] sd 0:0:0:0: [sda] Write Protect is off
[   58.288344] sd 0:0:0:0: [sda] Write cache: enabled, read cache:
enabled, doesn't support DPO or FUA
[   58.288913] sd 0:0:0:0: [sda] Very big device. Trying to use READ
CAPACITY(16).
[   58.289199] sd 0:0:0:0: [sda] 5858973696 512-byte hardware sectors
(2999795 MB)
[   58.289674] sd 0:0:0:0: [sda] Write Protect is off
[   58.290528] sd 0:0:0:0: [sda] Write cache: enabled, read cache:
enabled, doesn't support DPO or FUA
[   58.290545]  sda:


I get the following call traces:

[ 3699.105931] INFO: task modprobe:1342 blocked for more than 120
seconds.
[ 3699.105945] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[ 3699.105949] modprobe      D ffff8800815bd000     0  1342      1
[ 3699.105955]  ffff880006881838 0000000000000286 ffff880007ded818
ffff880006143800
[ 3699.105961]  ffff8800014eca40 ffff8800014bf640 ffff8800014eccc0
000000008020e810
[ 3699.105967]  0000000000000000 ffff8800067e2368 00000000000024b2
ffff8800815bd000
[ 3699.105972] Call Trace:
[ 3699.105986]  [<ffffffff8020e911>] xen_clocksource_read+0xd/0x9c
[ 3699.105992]  [<ffffffff80264711>] sync_page+0x0/0x41
[ 3699.105996]  [<ffffffff80243f1e>] getnstimeofday+0x39/0x98
[ 3699.106001]  [<ffffffff80264711>] sync_page+0x0/0x41
[ 3699.106006]  [<ffffffff802b12eb>] blkdev_readpage+0x0/0xf
[ 3699.106011]  [<ffffffff80434297>] io_schedule+0x5c/0x9e
[ 3699.106016]  [<ffffffff8026474d>] sync_page+0x3c/0x41
[ 3699.106020]  [<ffffffff8043440a>] __wait_on_bit_lock+0x36/0x66
[ 3699.106028]  [<ffffffff802646fe>] __lock_page+0x5e/0x64
[ 3699.106034]  [<ffffffff8023f6b7>] wake_bit_function+0x0/0x23
[ 3699.106038]  [<ffffffff80264cf3>] read_cache_page_async+0xc3/0x121
[ 3699.106044]  [<ffffffff80266464>] read_cache_page+0x6/0x3b
[ 3699.106049]  [<ffffffff802cfd57>] read_dev_sector+0x2a/0x88
[ 3699.106056]  [<ffffffff802d0520>] adfspart_check_ICS+0x0/0x164
[ 3699.106060]  [<ffffffff802d0547>] adfspart_check_ICS+0x27/0x164
[ 3699.106065]  [<ffffffff802d0520>] adfspart_check_ICS+0x0/0x164
[ 3699.106070]  [<ffffffff802d040c>] rescan_partitions+0x123/0x237
[ 3699.106075]  [<ffffffff802b0f7b>] do_open+0x234/0x2e8
[ 3699.106079]  [<ffffffff802d522c>] sysfs_ilookup_test+0x0/0xf
[ 3699.106084]  [<ffffffff802b109f>] __blkdev_get+0x70/0x82
[ 3699.106097]  [<ffffffff802d0293>] register_disk+0xe7/0x13d
[ 3699.106103]  [<ffffffff80305963>] add_disk+0x3a/0x87
[ 3699.106110]  [<ffffffffa01401e5>] :sd_mod:sd_probe+0x317/0x3d8
[ 3699.106117]  [<ffffffff80378cac>] driver_probe_device+0xd0/0x14d
[ 3699.106121]  [<ffffffff80378d6f>] __driver_attach+0x46/0x6d
[ 3699.106125]  [<ffffffff80378d29>] __driver_attach+0x0/0x6d
[ 3699.106129]  [<ffffffff80378480>] bus_for_each_dev+0x44/0x6f
[ 3699.106134]  [<ffffffff8037889e>] bus_add_driver+0xae/0x1e4
[ 3699.106139]  [<ffffffff80378ff6>] driver_register+0x84/0xe7
[ 3699.106144]  [<ffffffffa014608b>] :sd_mod:init_sd+0x8b/0xee
[ 3699.106150]  [<ffffffff8024c5a2>] sys_init_module+0x191b/0x1ab1
[ 3699.106170]  [<ffffffffa00aab89>] :scsi_mod:scsi_set_medium_removal
+0x0/0x70
[ 3699.106179]  [<ffffffff8020b528>] system_call+0x68/0x6d
[ 3699.106183]  [<ffffffff8020b4c0>] system_call+0x0/0x6d
[ 3699.106187]

Also with fdisk I get:

DebianTemp:~# fdisk /dev/sda

Unable to open /dev/sda
DebianTemp:~#


Would anybody be able to tell me what's happening?

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