Re: tgtd 1.0.9 still exits with "iscsi_tx_handler error"

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Hi,

> > I started to run tgtd from the git repository. But it looks like
> > the tgtd is still losing memory.
> 
> Just memory leak? It doesn't crash yet?

Unfortunately, this time it just crashed:
  Segmentation fault      (core dumped) tgtd -f >& tgtd.log


> > > On Sat, 02 Oct 2010 07:34:55 +0900 (JST)
> > > Hirokazu Takahashi <taka@xxxxxxxxxxxxx> wrote:
> > > 
> > > > I tested tgtd 1.0.9 with heavy load. But unfortunatelly it exited
> > > > with a message "tgtd: iscsi_tx_handler(2210) error 0 0" as ever.
> > > 
> > > Sorry, I haven't fixed anything.
> > > 
> > > Can you try Chandra's patchset? It might work for you. Try the
> > > 'threads' branch:
> > > 
> > > git://git.kernel.org/pub/scm/linux/kernel/git/tomo/tgt.git threads
> > 
> > Tue Oct 12 20:16:43 JST 2010
> > USER       PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
> > root     11528  0.5  1.3 182660  3408 pts/0    Sl   20:06   0:03 tgtd -f
> > Tue Oct 12 20:21:43 JST 2010
> > USER       PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
> > root     11528  0.4  1.3 182660  3424 pts/0    Sl   20:06   0:04 tgtd -f
> > Tue Oct 12 20:26:44 JST 2010
> > USER       PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
> > root     11528  0.4  1.3 182660  3424 pts/0    Sl   20:06   0:05 tgtd -f
> > Tue Oct 12 20:31:45 JST 2010
> > USER       PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
> > root     11528  0.3  1.4 183164  3928 pts/0    Sl   20:06   0:05 tgtd -f
> > Tue Oct 12 20:36:46 JST 2010
> > USER       PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
> > root     11528  0.3  1.5 183204  3968 pts/0    Dl   20:06   0:06 tgtd -f
> > Tue Oct 12 20:41:46 JST 2010
> > USER       PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
> > root     11528  0.3  1.5 183428  4152 pts/0    Sl   20:06   0:07 tgtd -f
> > Tue Oct 12 20:46:46 JST 2010
> > USER       PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
> > root     11528  0.3  1.6 183440  4204 pts/0    Sl   20:06   0:08 tgtd -f
> > Tue Oct 12 20:51:46 JST 2010
> > USER       PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
> > root     11528  0.3  1.6 183440  4204 pts/0    Sl   20:06   0:09 tgtd -f
> > Tue Oct 12 20:56:46 JST 2010
> > USER       PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
> > root     11528  0.3  1.6 183516  4280 pts/0    Sl   20:06   0:10 tgtd -f
> > Tue Oct 12 21:01:47 JST 2010
> > USER       PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
> > root     11528  0.3  1.6 183660  4424 pts/0    Sl   20:06   0:11 tgtd -f
> > Tue Oct 12 21:07:17 JST 2010
> > USER       PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
> > root     11528  0.3  1.7 183748  4512 pts/0    Sl   20:06   0:11 tgtd -f
> > Tue Oct 12 21:12:17 JST 2010
> > USER       PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
> > root     11528  0.3  1.7 183884  4616 pts/0    Sl   20:06   0:13 tgtd -f
> > Tue Oct 12 21:17:17 JST 2010
> > USER       PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
> > root     11528  0.3  1.8 184124  4840 pts/0    Sl   20:06   0:14 tgtd -f
> > Tue Oct 12 21:22:18 JST 2010
> > USER       PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
> > root     11528  0.3  1.8 184124  4888 pts/0    Sl   20:06   0:14 tgtd -f
> > Tue Oct 12 21:27:21 JST 2010
> > USER       PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
> > root     11528  0.3  1.8 184164  4928 pts/0    Sl   20:06   0:15 tgtd -f
> > Tue Oct 12 21:32:28 JST 2010
> > USER       PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
> > root     11528  0.3  1.9 184388  5128 pts/0    Dl   20:06   0:16 tgtd -f
> > Tue Oct 12 21:37:28 JST 2010
> > USER       PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
> > root     11528  0.3  2.0 184636  5400 pts/0    Sl   20:06   0:17 tgtd -f
> > Tue Oct 12 21:42:29 JST 2010
> > USER       PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
> > root     11528  0.3  2.0 184636  5400 pts/0    Sl   20:06   0:18 tgtd -f
> > 
> > 
> > # tgtadm --lld iscsi --op show --mode=target
> > Target 1: target1
> >     System information:
> >         Driver: iscsi
> >         State: ready
> >     I_T nexus information:
> >         I_T nexus: 4
> >             Initiator: iqn.2010-09.jp.co.valinux:guest02
> >             Connection: 0
> >                 IP Address: 172.17.112.102
> >         I_T nexus: 7
> >             Initiator: iqn.2010-09.jp.co.valinux:guest01
> >             Connection: 0
> >                 IP Address: 172.17.112.101
> >         I_T nexus: 8
> >             Initiator: iqn.2010-09.jp.co.valinux:guest02
> >             Connection: 0
> >                 IP Address: 172.17.112.102
> >         I_T nexus: 12
> >             Initiator: iqn.2010-09.jp.co.valinux:guest02
> >             Connection: 0
> >                 IP Address: 172.17.112.102
> >         I_T nexus: 14
> >             Initiator: iqn.2010-09.jp.co.valinux:guest01
> >             Connection: 0
> >                 IP Address: 172.17.112.101
> >         I_T nexus: 16
> >             Initiator: iqn.2010-09.jp.co.valinux:guest02
> >             Connection: 0
> >                 IP Address: 172.17.112.102
> >         I_T nexus: 18
> >             Initiator: iqn.2010-09.jp.co.valinux:guest01
> >             Connection: 0
> >                 IP Address: 172.17.112.101
> >         I_T nexus: 24
> >             Initiator: iqn.2010-09.jp.co.valinux:guest01
> >             Connection: 0
> >                 IP Address: 172.17.112.101
> >         I_T nexus: 26
> >             Initiator: iqn.2010-09.jp.co.valinux:guest01
> >             Connection: 0
> >                 IP Address: 172.17.112.101
> >         I_T nexus: 29
> >             Initiator: iqn.2010-09.jp.co.valinux:guest02
> >             Connection: 0
> >                 IP Address: 172.17.112.102
> >         I_T nexus: 35
> >             Initiator: iqn.2010-09.jp.co.valinux:guest02
> >             Connection: 0
> >                 IP Address: 172.17.112.102
> >         I_T nexus: 39
> >             Initiator: iqn.2010-09.jp.co.valinux:guest01
> >             Connection: 0
> >                 IP Address: 172.17.112.101
> >         I_T nexus: 44
> >             Initiator: iqn.2010-09.jp.co.valinux:guest02
> >             Connection: 0
> >                 IP Address: 172.17.112.102
> >         I_T nexus: 47
> >             Initiator: iqn.2010-09.jp.co.valinux:guest01
> >             Connection: 0
> >                 IP Address: 172.17.112.101
> >         I_T nexus: 48
> >             Initiator: iqn.2010-09.jp.co.valinux:guest02
> >             Connection: 0
> >                 IP Address: 172.17.112.102
> >         I_T nexus: 49
> >             Initiator: iqn.2010-09.jp.co.valinux:guest01
> >             Connection: 0
> >                 IP Address: 172.17.112.101
> >         I_T nexus: 50
> >             Initiator: iqn.2010-09.jp.co.valinux:guest01
> >             Connection: 0
> >                 IP Address: 172.17.112.101
> >         I_T nexus: 51
> >             Initiator: iqn.2010-09.jp.co.valinux:guest02
> >             Connection: 0
> >                 IP Address: 172.17.112.102
> >         I_T nexus: 52
> >             Initiator: iqn.2010-09.jp.co.valinux:guest01
> >             Connection: 0
> >                 IP Address: 172.17.112.101
> >         I_T nexus: 53
> >             Initiator: iqn.2010-09.jp.co.valinux:guest02
> >             Connection: 0
> >                 IP Address: 172.17.112.102
> >         I_T nexus: 54
> >             Initiator: iqn.2010-09.jp.co.valinux:guest01
> >             Connection: 0
> >                 IP Address: 172.17.112.101
> >         I_T nexus: 55
> >             Initiator: iqn.2010-09.jp.co.valinux:guest01
> >             Connection: 0
> >                 IP Address: 172.17.112.101
> >         I_T nexus: 56
> >             Initiator: iqn.2010-09.jp.co.valinux:guest02
> >             Connection: 0
> >                 IP Address: 172.17.112.102
> >         I_T nexus: 57
> >             Initiator: iqn.2010-09.jp.co.valinux:guest01
> >             Connection: 0
> >                 IP Address: 172.17.112.101
> >         I_T nexus: 58
> >             Initiator: iqn.2010-09.jp.co.valinux:guest02
> >             Connection: 0
> >                 IP Address: 172.17.112.102
> >         I_T nexus: 59
> >             Initiator: iqn.2010-09.jp.co.valinux:guest01
> >             Connection: 0
> >                 IP Address: 172.17.112.101
> >         I_T nexus: 60
> >             Initiator: iqn.2010-09.jp.co.valinux:guest02
> >             Connection: 0
> >                 IP Address: 172.17.112.102
> >         I_T nexus: 61
> >             Initiator: iqn.2010-09.jp.co.valinux:guest01
> >             Connection: 0
> >                 IP Address: 172.17.112.101
> >         I_T nexus: 62
> >             Initiator: iqn.2010-09.jp.co.valinux:guest01
> >             Connection: 0
> >                 IP Address: 172.17.112.101
> >         I_T nexus: 63
> >             Initiator: iqn.2010-09.jp.co.valinux:guest02
> >             Connection: 0
> >                 IP Address: 172.17.112.102
> >         I_T nexus: 64
> >             Initiator: iqn.2010-09.jp.co.valinux:guest01
> >             Connection: 0
> >                 IP Address: 172.17.112.101
> >         I_T nexus: 65
> >             Initiator: iqn.2010-09.jp.co.valinux:guest02
> >             Connection: 0
> >                 IP Address: 172.17.112.102
> >         I_T nexus: 66
> >             Initiator: iqn.2010-09.jp.co.valinux:guest01
> >             Connection: 0
> >                 IP Address: 172.17.112.101
> >         I_T nexus: 67
> >             Initiator: iqn.2010-09.jp.co.valinux:guest02
> >             Connection: 0
> >                 IP Address: 172.17.112.102
> >         I_T nexus: 69
> >             Initiator: iqn.2010-09.jp.co.valinux:guest02
> >             Connection: 0
> >                 IP Address: 172.17.112.102
> >         I_T nexus: 70
> >             Initiator: iqn.2010-09.jp.co.valinux:guest01
> >             Connection: 0
> >                 IP Address: 172.17.112.101
> >     LUN information:
> >         LUN: 0
> >             Type: controller
> >             SCSI ID: IET     00010000
> >             SCSI SN: beaf10
> >             Size: 0 MB
> >             Online: Yes
> >             Removable media: No
> >             Readonly: No
> >             Backing store type: null
> >             Backing store path: None
> >             Backing store flags: 
> >         LUN: 1
> >             Type: disk
> >             SCSI ID: 1.1
> >             SCSI SN: xvdc1
> >             Size: 20012 MB
> >             Online: Yes
> >             Removable media: No
> >             Readonly: No
> >             Backing store type: rdwr
> >             Backing store path: /dev/xvdc1
> >             Backing store flags: 
> >         LUN: 2
> >             Type: disk
> >             SCSI ID: 1.2
> >             SCSI SN: xvdd1
> >             Size: 20012 MB
> >             Online: Yes
> >             Removable media: No
> >             Readonly: No
> >             Backing store type: rdwr
> >             Backing store path: /dev/xvdd1
> >             Backing store flags: 
> >     Account information:
> >     ACL information:
> >         ALL
> > Target 2: target2
> >     System information:
> >         Driver: iscsi
> >         State: ready
> >     I_T nexus information:
> >         I_T nexus: 2
> >             Initiator: iqn.2010-09.jp.co.valinux:guest01
> >             Connection: 0
> >                 IP Address: 172.17.112.101
> >         I_T nexus: 5
> >             Initiator: iqn.2010-09.jp.co.valinux:guest01
> >             Connection: 0
> >                 IP Address: 172.17.112.101
> >         I_T nexus: 6
> >             Initiator: iqn.2010-09.jp.co.valinux:guest02
> >             Connection: 0
> >                 IP Address: 172.17.112.102
> >         I_T nexus: 9
> >             Initiator: iqn.2010-09.jp.co.valinux:guest01
> >             Connection: 0
> >                 IP Address: 172.17.112.101
> >         I_T nexus: 10
> >             Initiator: iqn.2010-09.jp.co.valinux:guest02
> >             Connection: 0
> >                 IP Address: 172.17.112.102
> >         I_T nexus: 11
> >             Initiator: iqn.2010-09.jp.co.valinux:guest02
> >             Connection: 0
> >                 IP Address: 172.17.112.102
> >         I_T nexus: 13
> >             Initiator: iqn.2010-09.jp.co.valinux:guest01
> >             Connection: 0
> >                 IP Address: 172.17.112.101
> >         I_T nexus: 15
> >             Initiator: iqn.2010-09.jp.co.valinux:guest02
> >             Connection: 0
> >                 IP Address: 172.17.112.102
> >         I_T nexus: 17
> >             Initiator: iqn.2010-09.jp.co.valinux:guest01
> >             Connection: 0
> >                 IP Address: 172.17.112.101
> >         I_T nexus: 19
> >             Initiator: iqn.2010-09.jp.co.valinux:guest02
> >             Connection: 0
> >                 IP Address: 172.17.112.102
> >         I_T nexus: 20
> >             Initiator: iqn.2010-09.jp.co.valinux:guest01
> >             Connection: 0
> >                 IP Address: 172.17.112.101
> >         I_T nexus: 23
> >             Initiator: iqn.2010-09.jp.co.valinux:guest01
> >             Connection: 0
> >                 IP Address: 172.17.112.101
> >         I_T nexus: 25
> >             Initiator: iqn.2010-09.jp.co.valinux:guest01
> >             Connection: 0
> >                 IP Address: 172.17.112.101
> >         I_T nexus: 28
> >             Initiator: iqn.2010-09.jp.co.valinux:guest02
> >             Connection: 0
> >                 IP Address: 172.17.112.102
> >         I_T nexus: 32
> >             Initiator: iqn.2010-09.jp.co.valinux:guest01
> >             Connection: 0
> >                 IP Address: 172.17.112.101
> >         I_T nexus: 33
> >             Initiator: iqn.2010-09.jp.co.valinux:guest02
> >             Connection: 0
> >                 IP Address: 172.17.112.102
> >         I_T nexus: 34
> >             Initiator: iqn.2010-09.jp.co.valinux:guest01
> >             Connection: 0
> >                 IP Address: 172.17.112.101
> >         I_T nexus: 36
> >             Initiator: iqn.2010-09.jp.co.valinux:guest01
> >             Connection: 0
> >                 IP Address: 172.17.112.101
> >         I_T nexus: 37
> >             Initiator: iqn.2010-09.jp.co.valinux:guest02
> >             Connection: 0
> >                 IP Address: 172.17.112.102
> >         I_T nexus: 40
> >             Initiator: iqn.2010-09.jp.co.valinux:guest01
> >             Connection: 0
> >                 IP Address: 172.17.112.101
> >         I_T nexus: 41
> >             Initiator: iqn.2010-09.jp.co.valinux:guest02
> >             Connection: 0
> >                 IP Address: 172.17.112.102
> >         I_T nexus: 42
> >             Initiator: iqn.2010-09.jp.co.valinux:guest02
> >             Connection: 0
> >                 IP Address: 172.17.112.102
> >         I_T nexus: 43
> >             Initiator: iqn.2010-09.jp.co.valinux:guest02
> >             Connection: 0
> >                 IP Address: 172.17.112.102
> >         I_T nexus: 46
> >             Initiator: iqn.2010-09.jp.co.valinux:guest02
> >             Connection: 0
> >                 IP Address: 172.17.112.102
> >         I_T nexus: 68
> >             Initiator: iqn.2010-09.jp.co.valinux:guest02
> >             Connection: 0
> >                 IP Address: 172.17.112.102
> >     LUN information:
> >         LUN: 0
> >             Type: controller
> >             SCSI ID: IET     00020000
> >             SCSI SN: beaf20
> >             Size: 0 MB
> >             Online: Yes
> >             Removable media: No
> >             Readonly: No
> >             Backing store type: null
> >             Backing store path: None
> >             Backing store flags: 
> >         LUN: 1
> >             Type: disk
> >             SCSI ID: 2.1
> >             SCSI SN: xvdc2
> >             Size: 19987 MB
> >             Online: Yes
> >             Removable media: No
> >             Readonly: No
> >             Backing store type: rdwr
> >             Backing store path: /dev/xvdc2
> >             Backing store flags: 
> >         LUN: 2
> >             Type: disk
> >             SCSI ID: 2.2
> >             SCSI SN: xvdd2
> >             Size: 19987 MB
> >             Online: Yes
> >             Removable media: No
> >             Readonly: No
> >             Backing store type: rdwr
> >             Backing store path: /dev/xvdd2
> >             Backing store flags: 
> >     Account information:
> >     ACL information:
> >         ALL
> > --
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> > More majordomo info at  http://vger.kernel.org/majordomo-info.html
> > 
> > 
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