[Pkg-iscsi-maintainers] Bug#502845: linux-image-2.6.32-1-amd64 / open-iscsi amd64 login hang

[Ritesh Raj Sarraf]

I also did it with CHAP auth during discovery and it works.

champaran:~# iscsiadm -m node --loginall=automatic
Logging in to [iface: default, target: iqn.2001-04.com.example:iet.test, 
portal: 192.168.2.104,3260]
Login to [iface: default, target: iqn.2001-04.com.example:iet.test, portal: 
192.168.2.104,3260]: successful
champaran:~# iscsiadm -m session -P3
iSCSI Transport Class version 2.0-870
version 2.0-871
Target: iqn.2001-04.com.example:iet.test
        Current Portal: 192.168.2.104:3260,1
        Persistent Portal: 192.168.2.104:3260,1
                **********
                Interface:
                **********
                Iface Name: default
                Iface Transport: tcp
                Iface Initiatorname: iqn.1993-08.org.debian:01:5ab1e6508f14
                Iface IPaddress: 192.168.2.101
                Iface HWaddress: <empty>
                Iface Netdev: <empty>
                SID: 1
                iSCSI Connection State: LOGGED IN
                iSCSI Session State: LOGGED_IN
                Internal iscsid Session State: NO CHANGE
                ************************
                Negotiated iSCSI params:
                ************************
                HeaderDigest: None
                DataDigest: None
                MaxRecvDataSegmentLength: 262144
                MaxXmitDataSegmentLength: 8192
                FirstBurstLength: 65536
                MaxBurstLength: 262144
                ImmediateData: Yes
                InitialR2T: Yes
                MaxOutstandingR2T: 1
                ************************
                Attached SCSI devices:
                ************************
                Host Number: 7  State: running
                scsi7 Channel 00 Id 0 Lun: 0
                        Attached scsi disk sdb          State: running
                scsi7 Channel 00 Id 0 Lun: 1
                        Attached scsi disk sdc          State: running



On Sunday 02 May 2010 05:04:56 Ritesh Raj Sarraf wrote:
> On Sunday 02 May 2010 02:14:56 Moritz Muehlenhoff wrote:
> > On Wed, Apr 07, 2010 at 09:31:17PM +0200, Florian Lohoff wrote:
> > > On Tue, Apr 06, 2010 at 04:21:46AM +0100, Ben Hutchings wrote:
> > > > > > On Thu, Feb 11, 2010 at 08:23:12PM +0100, Florian Lohoff wrote:
> > > > > > > Something _is_ broken - I am very successful building up
> > > > > > > open-iscsi/iscsitarget pairs on i386 - as soon as the initiator
> > > > > > > (open-iscsi) is on amd64 the login hangs forever ... No matter
> > > > > > > whether the target is on the same machine or on a different
> > > > > > > machine ...
> 
> I have the same setup where my software iSCSI target is on an i686 box
> where as my open-iscsi initiator is on an amd64 box.
> 
> > > > > > Yes, it is. The iscsi_uevent structure defined in scsi/iscsi_if.h
> > > > > > suffers of the 64-bit-allignment-desease on i386.
> > > > > > 
> > > > > > Also please not that this interface is officialy _not_ exported.
> > > > > 
> > > > > So? What would be the correct state? Wontfix? Forwarded-UpStream?
> > > > 
> > > > If you want to get this fixed in the kernel then please report this
> > > > upstream at <https://bugzilla.kernel.org> or on an appropriate
> > > > mailing list.  If it's accepted as a real bug and fixed upstream
> > > > then we can backport the fix.
> > > 
> > > The bug has been confirmnd on the open-iscsi mailingliste and reported
> > > to be on the low priority fixlist. So basically open-iscsi is broken in
> > > Debian with a amd64 kernel and 32 bit userspace with no solution.
> > 
> > Adding Debian open-iscsi maintainers to CC.
> > 
> > Since according to upstream this is unlikey to be fixed for the Squeeze
> > kernel, maybe you should at least document in the open-iscsi package?
> 
> I am not very sure if I see the same problem.
> 
> Here, on my setup:
> 
> rrs at learner:~$ uname -a
> Linux learner 2.6.32-4-686 #1 SMP Tue Apr 6 07:02:27 UTC 2010 i686
> GNU/Linux rrs at learner:~$ apt-cache policy iscsitarget
> iscsitarget:
>   Installed: 1.4.20-1
>   Candidate: 1.4.20-1
>   Version table:
>  *** 1.4.20-1 0
>         500 http://ftp.debian.org sid/main Packages
>         100 /var/lib/dpkg/status
>      0.4.17+svn229-1.4 0
>         990 http://ftp.debian.org testing/main Packages
> 
> 
> champaran:/etc/iscsi# /etc/init.d/open-iscsi start
>  * Starting iSCSI initiator service iscsid
> [ OK ]
>  * Setting up iSCSI targets
> Logging in to [iface: default, target: iqn.2001-04.com.example:iet.test,
> portal: 192.168.2.104,3260]
> Login to [iface: default, target: iqn.2001-04.com.example:iet.test, portal:
> 192.168.2.104,3260]: successful
>                                                                            
>                                                  [ OK ]
>  * Mounting network filesystems
> [ OK ]
> 
> 
> champaran:~# uname -a
> Linux champaran 2.6.32-4-amd64 #1 SMP Mon Apr 5 21:14:10 UTC 2010 x86_64
> GNU/Linux
> 
> 
> Is there something else I need to reproduce the problem ?
> 
> 
> Regards,
> Ritesh

-- 
Ritesh Raj Sarraf
RESEARCHUT - http://www.researchut.com
"Necessity is the mother of invention."
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 836 bytes
Desc: This is a digitally signed message part.
URL: <http://lists.alioth.debian.org/pipermail/pkg-iscsi-maintainers/attachments/20100502/d45888b6/attachment.pgp>