[Bug 1468897] Re: multipath creates binding for Removable(USB) drives

[Mauricio Faria de Oliveira]

The verification for vivid is no longer relevant as it's EOL by Feb,
2016. Thanks.

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Title:
  multipath creates binding for Removable(USB) drives

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[Bug 1468897] Re: multipath creates binding for Removable(USB) drives

[Brian Murray]

Hello Mike, or anyone else affected,

Accepted multipath-tools into vivid-proposed. The package will build now
and be available at https://launchpad.net/ubuntu/+source/multipath-
tools/0.4.9-3ubuntu12.15.04.2 in a few hours, and then in the -proposed
repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to
enable and use -proposed.  Your feedback will aid us getting this update
out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, and change the tag
from verification-needed to verification-done. If it does not fix the
bug for you, please add a comment stating that, and change the tag to
verification-failed.  In either case, details of your testing will help
us make a better decision.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance!

** Changed in: multipath-tools (Ubuntu Vivid)
   Status: In Progress => Fix Committed

** Tags removed: verification-done

** Tags added: verification-needed

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  multipath creates binding for Removable(USB) drives

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[Bug 1468897] Re: multipath creates binding for Removable(USB) drives

[Mathieu Trudel-Lapierre]

** Also affects: multipath-tools (Ubuntu Vivid)
   Importance: Undecided
   Status: New

** Changed in: multipath-tools (Ubuntu Vivid)
   Status: New => In Progress

** Changed in: multipath-tools (Ubuntu Vivid)
   Importance: Undecided => Medium

** Changed in: multipath-tools (Ubuntu Vivid)
 Assignee: (unassigned) => Mathieu Trudel-Lapierre (mathieu-tl)

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  multipath creates binding for Removable(USB) drives

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[Bug 1468897] Re: multipath creates binding for Removable(USB) drives

[Launchpad Bug Tracker]

This bug was fixed in the package multipath-tools - 0.4.9-3ubuntu7.6

---
multipath-tools (0.4.9-3ubuntu7.6) trusty; urgency=medium

  * debian/patches/0043-alloc-keywords.patch: fix uninitialized keywords
vector for configuration parsing for when there is no multipath.conf file
present.

multipath-tools (0.4.9-3ubuntu7.5) trusty; urgency=medium

  * Cherry-picked patches to ignore local non-mpath devices:
(LP: #1386637, #1468897)
- 0001-multipath-add-checker_timeout-default-config-option.patch
- 0002-Make-params-variable-local.patch
- 0003-libmultipath-Fix-possible-string-overflow.patch
- 0004-Update-hwtable-factorization.patch
- 0005-Fixup-strip-trailing-whitespaces-for-getuid-return-v.patch
- 0006-Remove-sysfs_attr-cache.patch
- 0007-Move-setup_thread_attr-to-uevent.c.patch
- 0008-Use-lists-for-uevent-processing.patch
- 0009-Start-uevent-service-handler-from-main-thread.patch
- 0010-libmultipath-rework-sysfs-handling.patch
- 0011-Rework-sysfs-device-handling-in-multipathd.patch
- 0012-Only-check-offline-status-for-SCSI-devices.patch
- 0013-Check-for-offline-path-in-get_prio.patch
- 0014-libmultipath-Remove-duplicate-calls-to-path_offline.patch
- 0015-Update-dev_loss_tmo-for-no_path_retry.patch
- 0016-Reload-map-for-device-read-only-setting-changes.patch
- 0017-multipath-get-right-sysfs-value-for-checker_timeout.patch
- 0018-multipath-handle-offlined-paths.patch
- 0019-multipath-fix-scsi-timeout-code.patch
- 0020-multipath-make-tgt_node_name-work-for-iscsi-devices.patch
- 0021-multipath-cleanup-dev_loss_tmo-issues.patch
- 0022-Fix-for-setting-0-to-fast_io_fail.patch
- 0023-Fix-fast_io_fail-capping.patch
- 0024-multipath-enable-getting-uevents-through-libudev.patch
- 0025-Use-devpath-as-argument-for-sysfs-functions.patch
- 0026-multipathd-remove-references-to-sysfs_device.patch
- 0027-multipathd-use-struct-path-as-argument-for-event-pro.patch
- 0028-Add-global-udev-reference-pointer-to-config.patch
- 0029-Use-udev-enumeration-during-discovery.patch
- 0030-use-struct-udev_device-during-discovery.patch
- 0031-More-debugging-output-when-synchronizing-path-states.patch
- 0032-Use-struct-udev_device-instead-of-sysdev.patch
- 0033-discovery-Fixup-cciss-discovery.patch
- 0035-Use-udev-devices-during-discovery.patch
- 0036-Remove-all-references-to-hand-craftes-sysfs-code.patch
- 0037-multipath-libudev-cleanup-and-bugfixes.patch
- 0038-multipath-check-if-a-device-belongs-to-multipath.patch
- 0039-multipath-and-wwids_file-multipath.conf-option.patch
- 0040-multipath-Check-blacklists-as-soon-as-possible.patch
- 0041-add-wwids-file-cleanup-options.patch
- 0042-add-find_multipaths-option.patch
  * debian/rules: don't ship 95-multipath.rules udev rules anymore; they are
not necessary with multipath-tools listening for udev events directly.
  * debian/multipath.udev: removed.
  * debian/multipath-tools.postinst: run multipath -W so that we get a properly
formed wwids file on upgrade.
  * debian/initramfs/hooks: copy the wwids file in the initramfs so that it is
available when multipath-tools initially discovers path to possibly bring
up the rootfs.

 -- Mathieu Trudel-Lapierre   Tue, 06 Oct 2015
22:13:59 -0400

** Changed in: multipath-tools (Ubuntu Trusty)
   Status: Fix Committed => Fix Released

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Title:
  multipath creates binding for Removable(USB) drives

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[Bug 1468897] Re: multipath creates binding for Removable(USB) drives

[Mike Rushton]

** Tags removed: verification-done
** Tags added: verification-failed

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Title:
  multipath creates binding for Removable(USB) drives

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[Bug 1468897] Re: multipath creates binding for Removable(USB) drives

[Steve Langasek]

The verification-* tag flip-flop is due to a private conversation about
concerns over the correctness of the test case.  These are resolved, so
marking v-done again.

** Tags removed: verification-failed
** Tags added: verification-done

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  multipath creates binding for Removable(USB) drives

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[Bug 1468897] Re: multipath creates binding for Removable(USB) drives

[Mike Rushton]

The following shows that the 0.4.9-3ubuntu7.6 version of multipath-tools
does in fact ignore USB when creating the bindings. Marking as
verification-done.

ubuntu@cameron:~$ cat /etc/multipath/bindings 
# This file was created by curtin while installing the system.
mpath0 1IBM IPR-0   5EC2A680
# End of content generated by curtin.
# Everything below is maintained by multipath subsystem.
mpath1 1IBM IPR-0   5EC2A6E0
mpath2 1IBM IPR-0   5EC2A660
mpath3 1IBM IPR-0   5EC2A620
mpath4 1IBM IPR-0   5EC2A640
mpath5 1IBM IPR-0   5EC2A6C0
mpath6 1IBM IPR-0   5EC2A6A0
mpath7 1IBM IPR-0   5EC2A6000100
mpath8 3200049454505080f
ubuntu@cameron:~$ sudo sed -i '/^mpath8/d' /etc/multipath/bindings 
ubuntu@cameron:~$ cat /etc/multipath/bindings 
# This file was created by curtin while installing the system.
mpath0 1IBM IPR-0   5EC2A680
# End of content generated by curtin.
# Everything below is maintained by multipath subsystem.
mpath1 1IBM IPR-0   5EC2A6E0
mpath2 1IBM IPR-0   5EC2A660
mpath3 1IBM IPR-0   5EC2A620
mpath4 1IBM IPR-0   5EC2A640
mpath5 1IBM IPR-0   5EC2A6C0
mpath6 1IBM IPR-0   5EC2A6A0
mpath7 1IBM IPR-0   5EC2A6000100
ubuntu@cameron:~$ sudo /etc/init.d/multipath-tools stop ; sudo 
/etc/init.d/multipath-tools start
 * Stopping multipath daemon multipathd
   ...done.
 * Starting multipath daemon multipathd
   ...done.
ubuntu@cameron:~$ cat /etc/multipath/bindings 
# This file was created by curtin while installing the system.
mpath0 1IBM IPR-0   5EC2A680
# End of content generated by curtin.
# Everything below is maintained by multipath subsystem.
mpath1 1IBM IPR-0   5EC2A6E0
mpath2 1IBM IPR-0   5EC2A660
mpath3 1IBM IPR-0   5EC2A620
mpath4 1IBM IPR-0   5EC2A640
mpath5 1IBM IPR-0   5EC2A6C0
mpath6 1IBM IPR-0   5EC2A6A0
mpath7 1IBM IPR-0   5EC2A6000100

** Tags removed: verification-failed
** Tags added: verification-done

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Title:
  multipath creates binding for Removable(USB) drives

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[Bug 1468897] Re: multipath creates binding for Removable(USB) drives

[Steve Langasek]

Mike, did you install this system using a version of the installer that
includes the multipath-udeb from trusty-proposed?  If not this is not a
valid test of the SRU.  Your comment does not establish how you
installed the system, it only shows that you have a curtin-created
/etc/multipath/bindings that lists the USB device

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Title:
  multipath creates binding for Removable(USB) drives

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[Bug 1468897] Re: multipath creates binding for Removable(USB) drives

[Steve Langasek]

Mike, did you install this system using a version of the installer that
includes the multipath-udeb from trusty-proposed? If not this is not a
valid test of the SRU. Your comment does not establish how you installed
the system, it only shows that you have a curtin-created
/etc/multipath/bindings that lists the USB device, it does not show that
this bindings file was created by the trusty-proposed version of
multipath-tools.  If the bindings file has been created, multipath-tools
would of course still honor its contents at runtime.

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Title:
  multipath creates binding for Removable(USB) drives

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[Bug 1468897] Re: multipath creates binding for Removable(USB) drives

[Mike Rushton]

Verification failed:

ubuntu@cameron:~$ apt-cache policy multipath-tools
multipath-tools:
  Installed: 0.4.9-3ubuntu7.6
  Candidate: 0.4.9-3ubuntu7.6
  Version table:
 *** 0.4.9-3ubuntu7.6 0
500 http://ports.ubuntu.com/ubuntu-ports/ trusty-proposed/main ppc64el 
Packages
100 /var/lib/dpkg/status
 0.4.9-3ubuntu7.4 0
500 http://ports.ubuntu.com/ubuntu-ports/ trusty-updates/main ppc64el 
Packages
 0.4.9-3ubuntu7 0
500 http://ports.ubuntu.com/ubuntu-ports/ trusty/main ppc64el Packages


sudo lsblk
NAME MAJ:MIN RM   SIZE RO TYPE  MOUNTPOINT
sda8:01   7.5G  0 disk  
├─sda1 8:11   7.5G  0 part  
└─mpath8 (dm-10) 252:10   0   7.5G  0 mpath 
  └─mpath8-part1 (dm-12) 252:12   0   7.5G  0 part  


ubuntu@cameron:~$ cat /etc/multipath/bindings
# This file was created by curtin while installing the system.
mpath0 1IBM IPR-0   5EC2A680
# End of content generated by curtin.
# Everything below is maintained by multipath subsystem.
mpath1 1IBM IPR-0   5EC2A6E0
mpath2 1IBM IPR-0   5EC2A660
mpath3 1IBM IPR-0   5EC2A620
mpath4 1IBM IPR-0   5EC2A640
mpath5 1IBM IPR-0   5EC2A6C0
mpath6 1IBM IPR-0   5EC2A6A0
mpath7 1IBM IPR-0   5EC2A6000100
mpath8 3200049454505080f

** Tags removed: verification-needed
** Tags added: verification-failed

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  multipath creates binding for Removable(USB) drives

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[Bug 1468897] Re: multipath creates binding for Removable(USB) drives

[Brian Murray]

Hello Mike, or anyone else affected,

Accepted multipath-tools into trusty-proposed. The package will build
now and be available at https://launchpad.net/ubuntu/+source/multipath-
tools/0.4.9-3ubuntu7.6 in a few hours, and then in the -proposed
repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to
enable and use -proposed.  Your feedback will aid us getting this update
out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, and change the tag
from verification-needed to verification-done. If it does not fix the
bug for you, please add a comment stating that, and change the tag to
verification-failed.  In either case, details of your testing will help
us make a better decision.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance!

** Tags removed: verification-failed

** Tags added: verification-needed

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Title:
  multipath creates binding for Removable(USB) drives

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[Bug 1468897] Re: multipath creates binding for Removable(USB) drives

[Mauricio Faria de Oliveira]

Hi @mathieu-tl,

Marking as verification-failed since the version from -proposed hits a segfault 
in 'multipath -l'.
Here are some details/stack trace:

It segfaults:

# multipath -l
Segmentation fault

Trusty / 14.04.3:

# lsb_release -d
Description:Ubuntu 14.04.3 LTS

# uname -a
Linux plzp17 3.19.0-29-generic #31~14.04.1-Ubuntu SMP Thu Sep 10 
09:45:11 UTC 2015 ppc64le ppc64le ppc64le GNU/Linux

Using multipath-tools from trusty-proposed (0.4.9-3ubuntu7.5)

# apt-cache policy multipath-tools
multipath-tools:
  Installed: 0.4.9-3ubuntu7.5
  Candidate: 0.4.9-3ubuntu7.5
  Version table:
 *** 0.4.9-3ubuntu7.5 0
500 http://ports.ubuntu.com/ubuntu-ports/ trusty-proposed/main 
ppc64el Packages
100 /var/lib/dpkg/status
 0.4.9-3ubuntu7.4 0
500 http://ports.ubuntu.com/ubuntu-ports/ trusty-updates/main 
ppc64el Packages
 0.4.9-3ubuntu7 0
500 http://ports.ubuntu.com/ubuntu-ports/ trusty/main ppc64el 
Packages

# dpkg -l | grep 'multipath\|kpartx'
ii  kpartx  0.4.9-3ubuntu7.5
 ppc64el  create device mappings for partitions
ii  kpartx-boot 0.4.9-3ubuntu7.5
 all  Provides kpartx during boot
ii  multipath-tools 0.4.9-3ubuntu7.5
 ppc64el  maintain multipath block device access
ii  multipath-tools-boot0.4.9-3ubuntu7.5
 all  Support booting from multipath devices


Problem contained in libmultipath, not any external library/component, in the 
initialization phase:

# gdb multipath
GNU gdb (Ubuntu 7.7.1-0ubuntu5~14.04.2) 7.7.1
...
(gdb) run -l
Starting program: /sbin/multipath -l
...
Program received signal SIGSEGV, Segmentation fault.
0x3fffb7e3fd70 in vector_alloc_slot () from /lib/libmultipath.so.0
(gdb) bt
#0  0x3fffb7e3fd70 in vector_alloc_slot () from 
/lib/libmultipath.so.0
#1  0x3fffb7e3e200 in keyword_alloc () from /lib/libmultipath.so.0
#2  0x3fffb7e3e2c4 in install_keyword_root () from 
/lib/libmultipath.so.0
#3  0x3fffb7e5ac34 in init_keywords () from /lib/libmultipath.so.0
#4  0x3fffb7e4a54c in load_config () from /lib/libmultipath.so.0
#5  0x10002bcc in ?? ()
#6  0x3fffb7c94d00 in generic_start_main (main=0x10002b10, 
argc=, 
argv=0x3a28, auxvec=0x3b30, init=, 
rtld_fini=, 
stack_end=, fini=) at 
../csu/libc-start.c:287
#7  0x3fffb7c94ef8 in __libc_start_main (argc=, 
argv=, 
ev=, auxvec=, rtld_fini=, stinfo=, 
stack_on_entry=) at 
../sysdeps/unix/sysv/linux/powerpc/libc-start.c:93
#8  0x in ?? ()
(gdb)

Downgrading to version in trusty-updates (0.4.9-3ubuntu7.4):

# apt-get install {multipath-tools,kpartx}{,-boot}=0.4.9-3ubuntu7.4
...
The following packages will be DOWNGRADED:
  kpartx kpartx-boot multipath-tools multipath-tools-boot
...
Get:1 http://ports.ubuntu.com/ubuntu-ports/ trusty-updates/main 
multipath-tools-boot all 0.4.9-3ubuntu7.4 [6,070 B]
Get:2 http://ports.ubuntu.com/ubuntu-ports/ trusty-updates/main 
multipath-tools ppc64el 0.4.9-3ubuntu7.4 [108 kB]
Get:3 http://ports.ubuntu.com/ubuntu-ports/ trusty-updates/main 
kpartx-boot all 0.4.9-3ubuntu7.4 [2,116 B]
Get:4 http://ports.ubuntu.com/ubuntu-ports/ trusty-updates/main kpartx 
ppc64el 0.4.9-3ubuntu7.4 [19.0 kB]
...

Now it works fine:

# multipath -l
36005076303ffd2a40345 dm-2 AIX,VDASD
size=50G features='1 queue_if_no_path' hwhandler='0' wp=rw
`-+- policy='round-robin 0' prio=-1 status=active
  |- 0:0:4:0 sdd 8:48  active undef running
  `- 1:0:4:0 sdh 8:112 active undef running
36005076303ffd2a40344 dm-1 AIX,VDASD
size=50G features='1 queue_if_no_path' hwhandler='0' wp=rw
`-+- policy='round-robin 0' prio=-1 status=active
  |- 0:0:3:0 sdc 8:32  active undef running
  `- 1:0:3:0 sdg 8:96  active undef running
36005076303ffd2a40343 dm-0 AIX,VDASD
size=50G features='1 queue_if_no_path' hwhandler='0' wp=rw
`-+- policy='round-robin 0' prio=-1 status=active
  |- 0:0:2:0 sdb 8:16  active undef running
  `- 1:0:2:0 sdf 8:80  active undef running

# echo $?
0


** Tags removed: verification-done
** Tags added: verification-failed

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Title:
  multipath creates 

[Bug 1468897] Re: multipath creates binding for Removable(USB) drives

[Mike Rushton]

Tested multipath-tools version Installed: 0.4.9-3ubuntu7.5 from the
proposed repository in Trusty. The test shows the problem resolved.

** Tags removed: verification-needed
** Tags added: verification-done

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  multipath creates binding for Removable(USB) drives

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[Bug 1468897] Re: multipath creates binding for Removable(USB) drives

[Mathew Hodson]

** Changed in: multipath-tools (Ubuntu Trusty)
Milestone: None = trusty-updates

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  multipath creates binding for Removable(USB) drives

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[Bug 1468897] Re: multipath creates binding for Removable(USB) drives

[Mathieu Trudel-Lapierre]

** Description changed:

+ [Impact]
+ Users installing with a USB key attached to the installing system, or adding 
a USB key on an installed system with multipath enabled will see the USB 
devices picked up by multipath. This is confusing because it changes the paths 
required to be used to access/mount/format the USB drives to paths under 
/dev/mapper, with mpath names.
+ 
+ [Test Case]
+ 1) Attach a USB key on a system with multipath enabled; either from the 
installer (booting the installer with USB attached), or on an installed system.
+ 2) See that the device is picked up by multipath-tools and shows up in the 
output of 'multipath -ll' and under /dev/mapper with the same name as provided 
by multipath -ll.
+ 
+ [Regression Potential]
+ Some USB 3.0 devices *can* support multipath; users of such custom 
configurations will see USB devices not being considered as multipath devices. 
Other devices which should be considered as multipathed may not be picked up 
anymore.
+ 
+ 
+ 
  On a system with a multipath configuration, multipath bindings are being
  created for removable(USB) drives rendering them inaccessible as normal
  removable drives.
  
  in this case, the usb drive is detected as /dev/sdi:
  
  # lsblk|grep -A2 sdi
- sdi8:128  1  14.7G  0 disk  
- ├─sdi1 8:129  1  14.7G  0 part  
- └─mpath4 (dm-9)  252:90  14.7G  0 mpath 
-   └─mpath4-part1 (dm-10) 252:10   0  14.7G  0 part  
+ sdi8:128  1  14.7G  0 disk
+ ├─sdi1 8:129  1  14.7G  0 part
+ └─mpath4 (dm-9)  252:90  14.7G  0 mpath
+   └─mpath4-part1 (dm-10) 252:10   0  14.7G  0 part
  
- # cat /etc/multipath/bindings 
+ # cat /etc/multipath/bindings
  # This file was created by curtin while installing the system.
  mpath0 1IBM IPR-0   5EC25980
  # End of content generated by curtin.
  # Everything below is maintained by multipath subsystem.
  mpath1 1IBM IPR-0   5EC25960
  mpath2 1IBM IPR-0   5EC25940
  mpath3 1IBM IPR-0   5EC25920
- mpath4 1ADATA   USB Flash Drive 
+ mpath4 1ADATA   USB Flash Drive
  
  Upon trying to format /dev/sdi1:
  
  # mkfs.ext4 /dev/sdi1
  mke2fs 1.42.9 (4-Feb-2014)
  /dev/sdi1 is apparently in use by the system; will not make a filesystem here!
  
  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: multipath-tools 0.4.9-3ubuntu7.2
  ProcVersionSignature: User Name 3.16.0-41.55~14.04.1-generic 3.16.7-ckt11
  Uname: Linux 3.16.0-41-generic ppc64le
  ApportVersion: 2.14.1-0ubuntu3.10
  Architecture: ppc64el
  Date: Thu Jun 25 20:44:13 2015
  ProcEnviron:
-  TERM=screen
-  PATH=(custom, no user)
-  XDG_RUNTIME_DIR=set
-  LANG=en_US.UTF-8
-  SHELL=/bin/bash
+  TERM=screen
+  PATH=(custom, no user)
+  XDG_RUNTIME_DIR=set
+  LANG=en_US.UTF-8
+  SHELL=/bin/bash
  SourcePackage: multipath-tools
  UpgradeStatus: No upgrade log present (probably fresh install)

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Title:
  multipath creates binding for Removable(USB) drives

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[Bug 1468897] Re: multipath creates binding for Removable(USB) drives

[Steve Langasek]

Hello Mike, or anyone else affected,

Accepted multipath-tools into trusty-proposed. The package will build
now and be available at https://launchpad.net/ubuntu/+source/multipath-
tools/0.4.9-3ubuntu7.5 in a few hours, and then in the -proposed
repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to
enable and use -proposed.  Your feedback will aid us getting this update
out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, and change the tag
from verification-needed to verification-done. If it does not fix the
bug for you, please add a comment stating that, and change the tag to
verification-failed.  In either case, details of your testing will help
us make a better decision.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance!

** Changed in: multipath-tools (Ubuntu Trusty)
   Status: In Progress = Fix Committed

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  multipath creates binding for Removable(USB) drives

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[Bug 1468897] Re: multipath creates binding for Removable(USB) drives

[Mike Rushton]

Updated information. It seems the issue only comes about with USB 3.0
devices. USB 2.0 devices do not get lumped in with multipath upon
detection.

dmesg output from inserting a USB 3.0 device and then a USB 3.0 device.
Both into USB 3.0 ports:

[  223.050845] usb 4-4: new SuperSpeed USB device number 3 using xhci_hcd
[  223.069996] usb 4-4: New USB device found, idVendor=125f, idProduct=312b
[  223.07] usb 4-4: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  223.070004] usb 4-4: Product: ADATA USB Flash Drive
[  223.070006] usb 4-4: Manufacturer: ADATA
[  223.070009] usb 4-4: SerialNumber: 0454
[  223.070589] usb-storage 4-4:1.0: USB Mass Storage device detected
[  223.071125] scsi4 : usb-storage 4-4:1.0
[  224.071718] scsi 4:0:0:0: Direct-Access ADATAUSB Flash Drive  1.00 
PQ: 0 ANSI: 6
[  224.073117] sd 4:0:0:0: Attached scsi generic sg32 type 0
[  224.073458] sd 4:0:0:0: [sdi] 30869504 512-byte logical blocks: (15.8 
GB/14.7 GiB)
[  224.073729] sd 4:0:0:0: [sdi] Write Protect is off
[  224.073737] sd 4:0:0:0: [sdi] Mode Sense: 23 00 00 00
[  224.073992] sd 4:0:0:0: [sdi] Write cache: disabled, read cache: disabled, 
doesn't support DPO or FUA
[  224.079661]  sdi: sdi1
[  224.080909] sd 4:0:0:0: [sdi] Attached SCSI removable disk
[  224.675188] usb 3-3: new high-speed USB device number 3 using xhci_hcd
[  224.810797] usb 3-3: New USB device found, idVendor=13fe, idProduct=3600
[  224.810802] usb 3-3: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  224.810805] usb 3-3: Product: MKNUFDPR2GB
[  224.810807] usb 3-3: Manufacturer: MUSHKIN
[  224.810810] usb 3-3: SerialNumber: 07C10403C8956553
[  224.811540] usb-storage 3-3:1.0: USB Mass Storage device detected
[  224.812218] usb-storage 3-3:1.0: Quirks match for vid 13fe pid 3600: 4000
[  224.812419] scsi5 : usb-storage 3-3:1.0
[  225.841184] scsi 5:0:0:0: Direct-Access MUSHKIN  MKNUFDPR2GB  PMAP 
PQ: 0 ANSI: 0 CCS
[  225.842314] sd 5:0:0:0: Attached scsi generic sg33 type 0
[  226.527048] sd 5:0:0:0: [sdj] 3911680 512-byte logical blocks: (2.00 GB/1.86 
GiB)
[  226.527209] sd 5:0:0:0: [sdj] Write Protect is off
[  226.527213] sd 5:0:0:0: [sdj] Mode Sense: 23 00 00 00
[  226.527363] sd 5:0:0:0: [sdj] No Caching mode page found
[  226.527442] sd 5:0:0:0: [sdj] Assuming drive cache: write through
[  226.560690]  sdj: sdj1
[  226.562590] sd 5:0:0:0: [sdj] Attached SCSI removable disk


lsblk for relevant devices:

sdi8:128  1  14.7G  0 disk  
├─sdi1 8:129  1  14.7G  0 part  
└─mpath4 (dm-8)  252:80  14.7G  0 mpath 
  └─mpath4-part1 (dm-10) 252:10   0  14.7G  0 part  
sdj8:144  1   1.9G  0 disk  
└─sdj1 8:145  1   1.9G  0 part

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  multipath creates binding for Removable(USB) drives

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[Bug 1468897] Re: multipath creates binding for Removable(USB) drives

[Launchpad Bug Tracker]

This bug was fixed in the package multipath-tools - 0.4.9-3ubuntu7.4

---
multipath-tools (0.4.9-3ubuntu7.4) trusty; urgency=medium

  * Remove 0024-ignore-usb.patch: Ignore USB devices. Verification fails
for this fix; it needs more work.

multipath-tools (0.4.9-3ubuntu7.3) trusty; urgency=medium

  * Added debian/patches/0015-shared-lock-for-udev.patch (LP: #1431650)
  * Support disks with non 512-byte sectors (LP: #1441930)
  * Correctly write FC timeout attributes to sysfs. (LP: #1435706)
  * Ignore USB devices. (LP: #1468897)

 -- Mathieu Trudel-Lapierre mathieu...@ubuntu.com  Mon, 27 Jul 2015
13:48:39 -0400

** Changed in: multipath-tools (Ubuntu Trusty)
   Status: Confirmed = Fix Released

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[Bug 1468897] Re: multipath creates binding for Removable(USB) drives

[Mathieu Trudel-Lapierre]

Reopening, since this was reverted in the updates, work is still in
progress.

** Changed in: multipath-tools (Ubuntu Trusty)
   Status: Fix Released = New

** Changed in: multipath-tools (Ubuntu Trusty)
   Status: New = In Progress

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  multipath creates binding for Removable(USB) drives

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[Bug 1468897] Re: multipath creates binding for Removable(USB) drives

[Adam Conrad]

Hello Mike, or anyone else affected,

Accepted multipath-tools into trusty-proposed. The package will build
now and be available at https://launchpad.net/ubuntu/+source/multipath-
tools/0.4.9-3ubuntu7.4 in a few hours, and then in the -proposed
repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to
enable and use -proposed.  Your feedback will aid us getting this update
out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, and change the tag
from verification-needed to verification-done. If it does not fix the
bug for you, please add a comment stating that, and change the tag to
verification-failed.  In either case, details of your testing will help
us make a better decision.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance!

** Changed in: multipath-tools (Ubuntu Trusty)
   Status: Fix Committed = Confirmed

** Changed in: multipath-tools (Ubuntu Trusty)
   Status: Confirmed = Fix Committed

** Tags removed: verification-failed

** Tags added: verification-needed

** Changed in: multipath-tools (Ubuntu Trusty)
   Status: Fix Committed = Confirmed

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  multipath creates binding for Removable(USB) drives

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[Bug 1468897] Re: multipath creates binding for Removable(USB) drives

[Mauricio Faria de Oliveira]

Hi Mathieu,

Michael Hohnbaum mentioned this should be verified in order for the
multipath-tools upload be moved from -proposed to -updates.

I'm not sure what's the process now, since the ubuntu7.4 upload actually
reverts the patch for this bug.

Can you clarify what happens now? Is this verification-failed, and as
the new upload reverts the patch, it's OK to go to -updates?

Thanks

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  multipath creates binding for Removable(USB) drives

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[Bug 1468897] Re: multipath creates binding for Removable(USB) drives

[Mathieu Trudel-Lapierre]

This particular bug does not need to be verified, as mentioned, this is
a revert of a fix in proposed, not the fix itself. The other bugs
attached to the multipath-tools upload for ubuntu7.4 do need to be
verified however.

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  multipath creates binding for Removable(USB) drives

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[Bug 1468897] Re: multipath creates binding for Removable(USB) drives

[Launchpad Bug Tracker]

** Branch linked: lp:~mathieu-tl/ubuntu/trusty/multipath-tools/usb+local

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  multipath creates binding for Removable(USB) drives

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[Bug 1468897] Re: multipath creates binding for Removable(USB) drives

[Mathieu Trudel-Lapierre]

verification-failed: multipath-tools still claims USB devices (as tested
in cert lab). I'm doing some more backporting to try to identify the
patch that will fix this correctly.

** Tags removed: verification-needed
** Tags added: verification-failed

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  multipath creates binding for Removable(USB) drives

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[Bug 1468897] Re: multipath creates binding for Removable(USB) drives

[Chris J Arges]

Hello Mike, or anyone else affected,

Accepted multipath-tools into trusty-proposed. The package will build
now and be available at https://launchpad.net/ubuntu/+source/multipath-
tools/0.4.9-3ubuntu7.3 in a few hours, and then in the -proposed
repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to
enable and use -proposed.  Your feedback will aid us getting this update
out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, and change the tag
from verification-needed to verification-done. If it does not fix the
bug for you, please add a comment stating that, and change the tag to
verification-failed.  In either case, details of your testing will help
us make a better decision.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance!

** Changed in: multipath-tools (Ubuntu Trusty)
   Status: Triaged = Fix Committed

** Tags added: verification-needed

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  multipath creates binding for Removable(USB) drives

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[Bug 1468897] Re: multipath creates binding for Removable(USB) drives

[Launchpad Bug Tracker]

** Branch linked: lp:~mathieu-tl/ubuntu/vivid/multipath-tools/SRUs-
fastio-usb-findmpath

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  multipath creates binding for Removable(USB) drives

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[Bug 1468897] Re: multipath creates binding for Removable(USB) drives

[Launchpad Bug Tracker]

This bug was fixed in the package multipath-tools - 0.5.0-7ubuntu2

---
multipath-tools (0.5.0-7ubuntu2) wily; urgency=medium

  * debian/patches/add_find-multipaths.patch: properly handle local non-mpath
devices. (LP: #1463046)
  * debian/patches/ignore_devices_nodename_fail.patch: ignore devices for which
sysfs_get_tgt_nodename fails.
  * debian/patches/skip_usb_devices.patch: skip USB devices during discovery.
(LP: #1468897)

 -- Mathieu Trudel-Lapierre mathieu...@ubuntu.com  Fri, 10 Jul 2015
15:53:37 -0400

** Changed in: multipath-tools (Ubuntu)
   Status: In Progress = Fix Released

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  multipath creates binding for Removable(USB) drives

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[Bug 1468897] Re: multipath creates binding for Removable(USB) drives

[Mathieu Trudel-Lapierre]

Yes, it needs to be backported since it was meant for 0.5.0.

** Changed in: multipath-tools (Ubuntu Trusty)
 Assignee: (unassigned) = Mathieu Trudel-Lapierre (mathieu-tl)

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  multipath creates binding for Removable(USB) drives

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[Bug 1468897] Re: multipath creates binding for Removable(USB) drives

[Steve Langasek]

I understand the fix for this bug will also need to be backported to
trusty once available.

** Also affects: multipath-tools (Ubuntu Trusty)
   Importance: Undecided
   Status: New

** Changed in: multipath-tools (Ubuntu Trusty)
   Importance: Undecided = Medium

** Changed in: multipath-tools (Ubuntu Trusty)
   Status: New = Triaged

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  multipath creates binding for Removable(USB) drives

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[Bug 1468897] Re: multipath creates binding for Removable(USB) drives

[Mathieu Trudel-Lapierre]

Chris, I've been working on multipath-tools a lot this week, so while
I'm still touching the package, I'll take care of this one...
reassigning.

Looks like there is a patch from RH which might well work to avoid this
kind of situation, so I'm going to test it and upload if it fixes these
issues.

** Changed in: multipath-tools (Ubuntu)
 Assignee: Chris J Arges (arges) = Mathieu Trudel-Lapierre (mathieu-tl)

** Changed in: multipath-tools (Ubuntu)
   Status: Confirmed = In Progress

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  multipath creates binding for Removable(USB) drives

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[Bug 1468897] Re: multipath creates binding for Removable(USB) drives

[Stefan Bader]

This is a problem that comes from USB and (S)ATA devices showing up as
SCSI disks and the default multipath not really expecting those mixed
environments. The best way to handle this is to add blacklisting in
/etc/multipath.conf and the most flexible seems to key on vendor/product
like this:

blacklist {
device {
vendor  *
product *
}
}
blacklist_exceptions {
device {
vendor  IBM
product *
}
}

Possibly with a bit more detail in the exceptions allowing only certain
models or so...

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  multipath creates binding for Removable(USB) drives

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[Bug 1468897] Re: multipath creates binding for Removable(USB) drives

[Chris J Arges]

** Changed in: multipath-tools (Ubuntu)
   Status: New = Confirmed

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  multipath creates binding for Removable(USB) drives

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[Bug 1468897] Re: multipath creates binding for Removable(USB) drives

[Jeff Lane]

** Tags added: hwcert-server

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Title:
  multipath creates binding for Removable(USB) drives

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[Bug 1468897] Re: multipath creates binding for Removable(USB) drives

[Chris J Arges]

** Changed in: multipath-tools (Ubuntu)
 Assignee: (unassigned) = Chris J Arges (arges)

** Changed in: multipath-tools (Ubuntu)
   Importance: Undecided = Medium

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https://bugs.launchpad.net/bugs/1468897

Title:
  multipath creates binding for Removable(USB) drives

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[Bug 1468897] Re: multipath creates binding for Removable(USB) drives

[Mike Rushton]

After following this post: https://www.redhat.com/archives/dm-
devel/2008-September/msg00235.html

I have prepended the following to /lib/udev/rules.d/95-multipath.rules:

#Weed out the linear map.
KERNEL==dm-*, PROGRAM==/sbin/dmsetup table -j %M -m %m, RESULT==*linear*, 
OPTIONS=last_rule

# And block devices that come from usb:
ACTION==add, KERNEL==sd*, SUBSYSTEM==usb, OPTIONS=last_rule


This prevents /dev/sdi from showing up under lsblk completely and is now 
missing as a block device completely:

$ ls /dev/sdi*
ls: cannot access /dev/sdi*: No such file or directory

I think this is some progress, but not working as intended yet.

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https://bugs.launchpad.net/bugs/1468897

Title:
  multipath creates binding for Removable(USB) drives

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