** Changed in: iperf (Debian)
Status: New => Fix Released
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https://bugs.launchpad.net/bugs/1771283
Title:
iperf2 long time run on 40Gb/s NIC crashes
To manage notifications
This bug was fixed in the package iperf - 2.0.10+dfsg1-1ubuntu0.17.10.1
---
iperf (2.0.10+dfsg1-1ubuntu0.17.10.1) artful; urgency=medium
* fix for: iperf2 long time run on 40Gb/s NIC crashes (LP: #1771283)
-- Manoj Iyer Tue, 05 Jun 2018 12:01:28
-0500
** Changed in: iperf
This bug was fixed in the package iperf - 2.0.5+dfsg1-2ubuntu0.1
---
iperf (2.0.5+dfsg1-2ubuntu0.1) xenial; urgency=medium
* fix for: iperf2 long time run on 40Gb/s NIC crashes (LP: #1771283)
-- Manoj Iyer Tue, 05 Jun 2018 12:07:04
-0500
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This bug was fixed in the package iperf - 2.0.10+dfsg1-1ubuntu0.18.04.1
---
iperf (2.0.10+dfsg1-1ubuntu0.18.04.1) bionic; urgency=medium
* fix for: iperf2 long time run on 40Gb/s NIC crashes (LP: #1771283)
-- Manoj Iyer Tue, 05 Jun 2018 11:48:25
-0500
** Changed in: iperf
-- Artful verification --
ubuntu@starbuck:~$ cat /etc/issue
Ubuntu 17.10 \n \l
ubuntu@starbuck:~$ apt policy iperf
iperf:
Installed: 2.0.10+dfsg1-1ubuntu0.17.10.1
Candidate: 2.0.10+dfsg1-1ubuntu0.17.10.1
Version table:
*** 2.0.10+dfsg1-1ubuntu0.17.10.1 500
500
-- Xenial verification --
ubuntu@starbuck:~$ cat /etc/issue
Ubuntu 16.04.4 LTS \n \l
ubuntu@starbuck:~$ apt policy iperf
iperf:
Installed: 2.0.5+dfsg1-2ubuntu0.1
Candidate: 2.0.5+dfsg1-2ubuntu0.1
Version table:
*** 2.0.5+dfsg1-2ubuntu0.1 500
500 http://ports.ubuntu.com/ubuntu-ports
** Tags removed: verification-needed-bionic
** Tags added: verification-done-bionic
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Title:
iperf2 long time run on 40Gb/s NIC crashes
To
-- Bionic verification --
ubuntu@starbuck:~$ cat /etc/issue
Ubuntu 18.04 LTS \n \l
ubuntu@starbuck:~$ apt policy iperf
iperf:
Installed: 2.0.10+dfsg1-1ubuntu0.18.04.1
Candidate: 2.0.10+dfsg1-1ubuntu0.18.04.1
Version table:
*** 2.0.10+dfsg1-1ubuntu0.18.04.1 500
500
Hello Ike, or anyone else affected,
Accepted iperf into bionic-proposed. The package will build now and be
available at
https://launchpad.net/ubuntu/+source/iperf/2.0.10+dfsg1-1ubuntu0.18.04.1
in a few hours, and then in the -proposed repository.
Please help us by testing this new package. See
** Description changed:
[Impact]
Running iperf2 across 40GB connection for a long period of time causes iperf
to segfault.
[Test]
ubuntu@recht:~$ iperf -c 192.168.121.2 -P10 -w 130k -t 3600
Client connecting to
** Changed in: iperf (Ubuntu Bionic)
Status: New => In Progress
** Changed in: iperf (Ubuntu Xenial)
Status: New => In Progress
** Changed in: iperf (Ubuntu Artful)
Status: New => In Progress
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** Description changed:
[Impact]
Running iperf2 across 40GB connection for a long period of time causes iperf
to segfault.
[Test]
ubuntu@recht:~$ iperf -c 192.168.121.2 -P10 -w 130k -t 3600
Client connecting to
** Description changed:
+ [Impact]
+ Running iperf2 across 40GB connection for a long period of time causes iperf
to segfault.
+
+ [Test]
ubuntu@recht:~$ iperf -c 192.168.121.2 -P10 -w 130k -t 3600
Client connecting to
This bug was fixed in the package iperf - 2.0.10+dfsg1-1ubuntu1
---
iperf (2.0.10+dfsg1-1ubuntu1) cosmic; urgency=medium
* fix for: iperf2 long time run on 40Gb/s NIC crashes (LP: #1771283)
-- Manoj Iyer Mon, 04 Jun 2018 18:10:31
-0500
** Changed in: iperf (Ubuntu Cosmic)
** Changed in: iperf (Debian)
Status: Unknown => New
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Title:
iperf2 long time run on 40Gb/s NIC crashes
To manage notifications about
Please review and consider this debdiff to iperf that fixes this iperf
bug for Xenial
** Patch added: "[Xenial] iperf debdiff"
https://bugs.launchpad.net/debian/+source/iperf/+bug/1771283/+attachment/5149036/+files/xenial-fix-for-iperf2-long-time-run-on-40Gb-s-NIC-crashes-f.debdiff
--
You
Please review and consider this debdiff to iperf that fixes this iperf
bug for Artful
** Patch added: "[Artful] iperf debdiff"
https://bugs.launchpad.net/debian/+source/iperf/+bug/1771283/+attachment/5149034/+files/artful-fix-for-iperf2-long-time-run-on-40Gb-s-NIC-crashes-f.debdiff
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You
Please review and consider this debdiff to iperf that fixes this iperf
bug for Bionic
** Patch added: "[Bionic] iperf debdiff"
https://bugs.launchpad.net/debian/+source/iperf/+bug/1771283/+attachment/5149020/+files/bionic-fix-for-iperf2-long-time-run-on-40Gb-s-NIC-crashes-f.debdiff
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** Bug watch added: Debian Bug tracker #900793
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=900793
** Also affects: iperf (Debian) via
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=900793
Importance: Unknown
Status: Unknown
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Thanks Manoj & Bob - I'll take a look at sponsoring your upload. Do you
mind filing a bug in Debian as well, and linking that bug to this one
using "Also affects distribution/package"? That way we'll know when we
can drop our diff & resync w/ Debian.
** Also affects: iperf (Ubuntu Artful)
Please review and consider this debdiff to iperf that fixes this iperf
bug for cosmic.
A build with this patch is available in ppa:manjo/iperf
** Patch added: "[Cosmic] debdiff for iperf"
Thank you for applying that, I will SRU that to Bionic/Artful/Xenial for
Ubuntu.
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Title:
iperf2 long time run on 40Gb/s NIC crashes
To manage
Thanks all for finding this. Here is the commit to iperf which should
address this as well as increase format support up to Peta. It will be
part of the iperf 2.0.12 release.
https://sourceforge.net/p/iperf2/code/ci/fce3254827eb05fee56aa6a2e9f0d69cbe599a69/
Bob
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Attached is the likely fix I'll commit in to the source forge
repository.
Bob
** Patch added: "largevalue.patch"
https://bugs.launchpad.net/ubuntu/+source/iperf/+bug/1771283/+attachment/5147956/+files/largevalue.patch
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Thanks for finding this. I'm thinking we add support for both Terabytes
and Petabytes while fixing this bug. Thoughts?
Bob
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Title:
iperf2
The attachment "fix segfault in iperf" seems to be a patch. If it
isn't, please remove the "patch" flag from the attachment, remove the
"patch" tag, and if you are a member of the ~ubuntu-reviewers,
unsubscribe the team.
[This is an automated message performed by a Launchpad user owned by
Robert,
Please review and consider this patch to iperf to fix the segfault.
Looks like in function byte_snprintf() when calculating SUM, where SUM
is in terabyte, we go past the kLabel_Byte/kLabel_bit array limit (by
increment of conv past kConv_Giga) and this causes iperf to segfault
because
Either way works. The code repository is on sourceforge.
https://sourceforge.net/projects/iperf2/?source=directory
Note: We just released 2.0.11 and I wonder if this bug is there as
well.
Bob
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Robert, could you pls give me the git repo or source for iperf? Or would
a debdiff of the version in ubuntu bionic work just fine?
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Can you share the bug fix? I'd like to make sure it gets committed in to
the iperf2 repository.
Thanks,
Bob
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Title:
iperf2 long time run on
Available in PPA: ppa:manjo/lp1771283
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Title:
iperf2 long time run on 40Gb/s NIC crashes
To manage notifications about this bug go to:
After fixing that bug iperf no longer seg faults. I will submit an SRU
for B/A/X releases.
ubuntu@recht:~/iperf-2.0.10+dfsg1$ src/iperf -c 192.168.120.2 -P10 -w 130k -t
3600
Client connecting to 192.168.120.2, TCP port 5001
TCP window
byte_snprintf() calls snprintf() with a bad format pointer and
snprintf() segfaults. The root cause of the bad pointer is very elusive
because there is so much information being printed. Further debug needed
to find out the root cause.
-- with GDB and debug --
(gdb) bt
#0 strlen () at
-- Core dump with gdb --
Using host libthread_db library "/lib/aarch64-linux-gnu/libthread_db.so.1".
Core was generated by `iperf -c 192.168.120.2 -P10 -w 130k -t 3600'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0 strlen () at ../sysdeps/aarch64/strlen.S:94
94
Is your packet size bigger than the MTU size? Could you use jumbo and
see if you still see this issue?
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Title:
iperf2 long time run on 40Gb/s
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