Hi,

Sorry I put I faulty message as comment of the previous one ... that I
have supress (not true to bad work)

So, I have tested with an external targets (not loopback) to confirm
the fault ... so iscsid crash with a segmentation fault at iscsiadl
login request.
here after the iscsid debug (-d 8) output :
***********************************************
iscsid: poll result 1
iscsid: in read_transports
iscsid: Adding new transport tcp
iscsid: sysfs_attr_get_value: open '/class/iscsi_transport/
tcp'/'handle'

iscsid: sysfs_attr_get_value: new uncached attribute '/sys/class/
iscsi_transport/tcp/handle'

iscsid: sysfs_attr_get_value: add to cache '/sys/class/iscsi_transport/
tcp/handle'

iscsid: sysfs_attr_get_value: cache '/sys/class/iscsi_transport/tcp/
handle' with attribute value '3205103464'

iscsid: sysfs_attr_get_value: open '/class/iscsi_transport/tcp'/'caps'

iscsid: sysfs_attr_get_value: new uncached attribute '/sys/class/
iscsi_transport/tcp/caps'

iscsid: sysfs_attr_get_value: add to cache '/sys/class/iscsi_transport/
tcp/caps'

iscsid: sysfs_attr_get_value: cache '/sys/class/iscsi_transport/tcp/
caps' with attribute value '0x39'

iscsid: Matched transport tcp

iscsid: Allocted session 0x413f0
iscsid: no authentication configured...
iscsid: resolved 192.168.1.108 to 192.168.1.108
iscsid: get conn context 0x48838
iscsid: set TCP recv window size to 524288, actually got 262142
iscsid: set TCP send window size to 524288, actually got 262142
iscsid: connecting to 192.168.1.108:3260
iscsid: sched conn context 0x48838 event 2, tmo 0
iscsid: thread 0x48838 schedule: delay 0 state 3
iscsid: Setting login timer 0x467a8 timeout 15
iscsid: thread 0x467a8 schedule: delay 60 state 3
iscsid: exec thread 00048838 callback
iscsid: put conn context 0x48838
iscsid: connected local port 42613 to 192.168.1.108:3260
iscsid: in kcreate_session
iscsid: in __kipc_call
iscsid: in kwritev
Segmentation fault
************************************************************
hereafter the iscsiadm request (after a good discovery)
************************************************************
[~] # iscsiadm -m node
192.168.1.108:3260,1 iqn.2009-03..site:32a27b02-01b1-4fa1-
ab5d-8585d7a53c95
[~] # iscsiadm -m node -T iqn.2009-03..site:32a27b02-01b1-4fa1-
ab5d-8585d7a53c95 -p 192.168.1.108 -l
Logging in to [iface: default, target: iqn.2009-03..site:
32a27b02-01b1-4fa1-ab5d-8585d7a53c95, portal: 192.168.1.108,3260]
iscsiadm: got read error (0/0), daemon died?
iscsiadm: Could not login to [iface: default, target: iqn.
2009-03..site:32a27b02-01b1-4fa1-ab5d-8585d7a53c95, portal:
192.168.1.108,3260]:
iscsiadm: initiator reported error (18 - could not communicate to
iscsid)
[~] #
************************************************************
dmesg outpout : (seems to be same as previous ...)
************************************************************
Loading iSCSI transport class v2.0-870.
iscsi: registered transport (tcp)
kernel BUG at include/linux/skbuff.h:933!
Unable to handle kernel NULL pointer dereference at virtual address
00000000
pgd = d862c000
[00000000] *pgd=18615031, *pte=00000000, *ppte=00000000
Internal error: Oops: 817 [#1]
Modules linked in: iscsi_tcp libiscsi scsi_transport_iscsi iscsi_trgt
fuse ext4 jbd2 sysinfo usblp usbhid usb_storage
CPU: 0    Not tainted  (2.6.22.18 #1)
PC is at __bug+0x20/0x2c
LR is at release_console_sem+0x1d4/0x1ec
pc : [<c0107338>]    lr : [<c012a9c4>]    psr: 60000013
sp : d86e7c44  ip : 00000000  fp : d86e7c50
r10: 00000000  r9 : 00000000  r8 : d9357200
r7 : 000000d0  r6 : da407e00  r5 : 00000048  r4 : da407e60
r3 : 00000000  r2 : c03f1a6c  r1 : 00002f31  r0 : 0000002d
Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  Segment user
Control: 0005397f  Table: 1862c000  DAC: 00000015
Process iscsid (pid: 3313, stack limit = 0xd86e6268)
Stack: (0xd86e7c44 to 0xd86e8000)
7c40:          d86e7ca4 d86e7c54 bf08c0c8 c0107328 dbd77760 ddfc10e4
d92cbac0
7c60: da407e60 ddfc10c0 00200200 dc857128 dbd77760 00000000 d92cbac0
da407e00
7c80: 00000048 da407e00 000000d0 d9357200 00000000 00000000 d86e7cbc
d86e7ca8
7ca0: c0382084 bf08bc70 da407e00 00000048 d86e7cd4 d86e7cc0 c0380a5c
c0382074
7cc0: 00000000 ddfc10c0 d86e7d14 d86e7cd8 c03815f4 c0380a40 d9357200
d88a6600
7ce0: 00000048 7fffffff 00000048 ddfc10c0 00000000 d9357200 d86e7f54
d9272780
7d00: 00000000 00000048 d86e7d6c d86e7d18 c0382044 c038140c 6c01a8c0
3e95a9a3
7d20: 00000000 d86e7e00 3d49f68d 00000cf1 00000000 00000000 00000000
00000000
7d40: d8841120 00000000 d9272780 d86e7db4 d92cbac0 d86e7f54 d86e7d70
00000048
7d60: d86e7e6c d86e7d70 c0030950 c0381dc0 0000a590 a0000013 00000000
00000001
7d80: ffffffff 00000000 00000000 00000000 00000000 00000000 d92cbac0
d86e7da8
7da0: 00000000 00000000 00000001 d92cbac0 c013d8c8 d86e7db4 d86e7db4
c0030df4
7dc0: 00000001 d86e7dcf f5da2891 d86e7e00 dc96a560 00000000 0000bc0c
00000000
7de0: d86e7eac d86e7df0 c039d31c c039981c d92cbac0 d86e7f00 6c01a8c0
00000000
7e00: d86e7e54 00000000 00000000 00000048 d9272780 4f01a8c0 d86e7d2c
d86e7f54
7e20: d86e7ef4 00000128 d86e7ef4 d86e7f54 d86e7ef4 00000128 d86e7ef4
d86e7ef4
7e40: 00000008 00000000 d9272780 00000048 d86e7f34 d86e7ef4 00000000
00000008
7e60: d86e7fa4 d86e7e70 c036850c c00308a4 00000006 00000010 00000000
00000000
7e80: d86e7f00 d8841120 d86e7eac d86e7e98 c0030d7c 00000004 beb1b4fc
00000004
7ea0: beb1b4f8 beb1b4fc 00000004 00000000 d8841120 00000010 beb1b4f8
d86e7efc
7ec0: c0040188 beb1b430 00000010 00000000 00000000 c0368bb4 d9272360
d86e7efc
7ee0: beb1b430 beb1b4f8 d86e7fa4 d86e7ef8 c0368fc8 00037360 00000000
75a60002
7f00: 4f01a8c0 00000000 00000000 00000000 00000000 00000000 00000000
00000000
7f20: 00000000 00000000 00000000 00000000 d86e7f7c d86e7f40 c002530c
00000000
7f40: d86e7f6c 00000004 c0367b88 00000001 beb1b4fc d86e7e74 0000000c
d86e7ef4
7f60: 00000001 00000000 00000000 00000000 00000000 ffffff97 00000000
beb1b4a8
7f80: beb1b45c 00000038 00000128 c0040188 d86e6000 00000000 00000000
d86e7fa8
7fa0: c003ffe0 c0368364 beb1b4a8 beb1b45c 00000004 beb1b45c 00000000
00037318
7fc0: beb1b4a8 beb1b45c 00000038 00000128 00000001 00036818 00000001
00037328
7fe0: beb1b4a8 beb1b450 0001daa8 400f404c 60000010 00000004 ffffffff
ffffffff
Backtrace:
[<c0107318>] (__bug+0x0/0x2c) from [<bf08c0c8>] (iscsi_if_rx
+0x468/0x818 [scsi_transport_iscsi])
[<bf08bc60>] (iscsi_if_rx+0x0/0x818 [scsi_transport_iscsi]) from
[<c0382084>] (netlink_data_ready+0x20/0x6c)
[<c0382064>] (netlink_data_ready+0x0/0x6c) from [<c0380a5c>]
(netlink_sendskb+0x2c/0x60)
 r5:00000048 r4:da407e00
[<c0380a30>] (netlink_sendskb+0x0/0x60) from [<c03815f4>]
(netlink_unicast+0x1f8/0x20c)
 r5:ddfc10c0 r4:00000000
[<c03813fc>] (netlink_unicast+0x0/0x20c) from [<c0382044>]
(netlink_sendmsg+0x294/0x2b4)
[<c0381db0>] (netlink_sendmsg+0x0/0x2b4) from [<c0030950>]
(sock_sendmsg+0xbc/0xdc)
[<c0030894>] (sock_sendmsg+0x0/0xdc) from [<c036850c>] (sys_sendmsg
+0x1b8/0x214)
[<c0368354>] (sys_sendmsg+0x0/0x214) from [<c003ffe0>]
(ret_fast_syscall+0x0/0x2c)
Code: e1a01000 e59f000c eb008ef0 e3a03000 (e5833000)
[~] #
********************************************************

Thanks, Philippe.

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