[Bug 1404558] Re: IPv6 related kernel panic following upgrade to 3.13.0-43

2015-03-03 Thread Oliver Weis
Short feedback on the fix. I have 2 KVM based 14.04 64bit systems
which were not affected by this bug UNTIL the 3.13.0-46.77 fix was
release. On 1 of the 2 systems everything seems fine on the other IPv6
is not available directly after booting thus e.g. nginx can not bind to
the configured IPv6 address.

on BOTH system I see this in kern.log:

Mar  3 07:14:56 sigma kernel: [8.449276] IPv6: ADDRCONF(NETDEV_UP):
eth0: link is not ready

but checking old kern.log file it has been this way for a long time so
this is not the issue

on the system which works fine anyway I see this:

Mar  3 07:11:43 omega kernel: [   21.556845] NFSD: starting 90-second grace 
period (net 81cdaa00)
Mar  3 07:11:44 omega kernel: [   22.909888] random: nonblocking pool is 
initialized
Mar  3 07:11:45 omega kernel: [   23.566021] ip_tables: (C) 2000-2006 Netfilter 
Core Team
Mar  3 07:11:45 omega kernel: [   23.573073] nf_conntrack version 0.5.0 (16384 
buckets, 65536 max)
Mar  3 07:11:45 omega kernel: [   23.637709] ip6_tables: (C) 2000-2006 
Netfilter Core Team

so after 23 seconds ip_tables and ip6_tables is running and IPv6 is
working.

on the system where IPv6 remains unavailable for 2 minutes and thus
nginx refuses to start I see this:

Mar  3 07:14:57 sigma kernel: [9.748740] NFSD: starting 90-second grace 
period (net 81cdaa00)
Mar  3 07:16:26 sigma kernel: [  102.269932] ip_tables: (C) 2000-2006 Netfilter 
Core Team
Mar  3 07:16:26 sigma kernel: [  102.279642] nf_conntrack version 0.5.0 (16384 
buckets, 65536 max)
Mar  3 07:16:26 sigma kernel: [  102.304003] ip6_tables: (C) 2000-2006 
Netfilter Core Team
Mar  3 07:16:50 sigma kernel: [  126.135981] perf samples too long (2621  
2500), lowering kernel.perf_event_max_sample_rate to 5
Mar  3 07:23:11 sigma kernel: [  507.343615] perf samples too long (5025  
5000), lowering kernel.perf_event_max_sample_rate to 25000
Mar  3 08:07:24 sigma kernel: [ 3159.511565] perf samples too long (10036  
1), lowering kernel.perf_event_max_sample_rate to 12500

This second system is an  Intel(R) Xeon(R) CPU E5-2660 v3 @ 2.60GHz KVM
based system with 12GB and 4 Cores, the first system which works fine is
an Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz based system with 8GB and 2
Cores.

As you can see it takes about 2 minutes until ip_tables as well as
ip6_tables is starting on the second system. Which then causes nginx to
not start up at all and having to restart it manually after IPv6 is
available.

The perf samples too long error is also a new error I have not seen in
the logs before. Unsure if it might be related to this problem or is
related to changes made from  3.13.0-46.75 - 3.13.0-46.76 a few days
ago.

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[Bug 1404558] Re: IPv6 related kernel panic following upgrade to 3.13.0-43

2015-03-02 Thread Launchpad Bug Tracker
This bug was fixed in the package linux - 3.13.0-46.77

---
linux (3.13.0-46.77) trusty; urgency=low

  [ Seth Forshee ]

  * Revert ipv6: fix swapped ipv4/ipv6 mtu_reduced callbacks
- LP: #1404558
  * Release Tracking Bug
- LP: #1427292
 -- Seth Forshee seth.fors...@canonical.com   Mon, 02 Mar 2015 11:33:20 -0600

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[Bug 1404558] Re: IPv6 related kernel panic following upgrade to 3.13.0-43

2015-03-02 Thread Launchpad Bug Tracker
This bug was fixed in the package linux - 3.13.0-46.77

---
linux (3.13.0-46.77) trusty; urgency=low

  [ Seth Forshee ]

  * Revert ipv6: fix swapped ipv4/ipv6 mtu_reduced callbacks
- LP: #1404558
  * Release Tracking Bug
- LP: #1427292
 -- Seth Forshee seth.fors...@canonical.com   Mon, 02 Mar 2015 11:33:20 -0600

** Changed in: linux (Ubuntu Trusty)
   Status: Fix Committed = Fix Released

** Changed in: linux (Ubuntu Trusty)
   Status: Fix Committed = Fix Released

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[Bug 1404558] Re: IPv6 related kernel panic following upgrade to 3.13.0-43

2015-03-02 Thread Adam Conrad
** Changed in: linux (Ubuntu Trusty)
   Status: Fix Released = Fix Committed

** Tags removed: verification-done-trusty

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[Bug 1404558] Re: IPv6 related kernel panic following upgrade to 3.13.0-43

2015-02-27 Thread Stéphane Graber
Let's file a new bug for that one.

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[Bug 1404558] Re: IPv6 related kernel panic following upgrade to 3.13.0-43

2015-02-27 Thread Stéphane Graber
I can confirm that something's broken with the recent kernel update...

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[Bug 1404558] Re: IPv6 related kernel panic following upgrade to 3.13.0-43

2015-02-27 Thread Stéphane Graber
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1426618

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[Bug 1404558] Re: IPv6 related kernel panic following upgrade to 3.13.0-43

2015-02-27 Thread Richard van der Hoff
I was previously seeing this problem; I've now upgraded to 3.1.0-46 and
am seeing a similar, but slightly different, panic (see attached)


** Attachment added: dmesg.txt
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1404558/+attachment/4329425/+files/dmesg.txt

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[Bug 1404558] Re: IPv6 related kernel panic following upgrade to 3.13.0-43

2015-01-30 Thread Launchpad Bug Tracker
This bug was fixed in the package linux - 3.13.0-45.74

---
linux (3.13.0-45.74) trusty; urgency=low

  [ Seth Forshee ]

  * Release Tracking Bug
- LP: #1410384

  [ Jesse Barnes ]

  * SAUCE: drm/i915/vlv: assert and de-assert sideband reset at boot and
resume v3
- LP: #1401963

  [ K. Y. Srinivasan ]

  * SAUCE: storvsc: force SPC-3 compliance on win8 and win8 r2 hosts
- LP: #1406867

  [ Timo Aaltonen ]

  * SAUCE: Switch VLV/BYT to use i915_bdw.
- LP: #1401963

  [ Upstream Kernel Changes ]

  * Revert xhci: clear root port wake on bits if controller isn't wake-up
capable
- LP: #1408779
  * KVM: PPC: BOOK3S: HV: CMA: Reserve cma region only in hypervisor mode
- LP: #1400209
  * e1000e: Fix no connectivity when driver loaded with cable out
- LP: #1400365
  * net/mlx4_core: Enable CQE/EQE stride support
- LP: #1400127
  * net/mlx4_core: Cache line EQE size support
- LP: #1400127
  * net/mlx4_en: Add mlx4_en_get_cqe helper
- LP: #1400127
  * net/mlx4_core: Introduce mlx4_get_module_info for cable module info
reading
- LP: #1400127
  * ethtool, net/mlx4_en: Cable info, get_module_info/eeprom ethtool
support
- LP: #1400127
  * net/mlx4_core: Introduce ACCESS_REG CMD and eth_prot_ctrl dev cap
- LP: #1400127
  * net/mlx4_core: Add ethernet backplane autoneg device capability
- LP: #1400127
  * ethtool, net/mlx4_en: Add 100M, 20G, 56G speeds ethtool reporting
support
- LP: #1400127
  * net/mlx4_en: Use PTYS register to query ethtool settings
- LP: #1400127
  * net/mlx4_en: Use PTYS register to set ethtool settings (Speed)
- LP: #1400127
  * net/mlx4_en: Add support for setting rxvlan offload OFF/ON
- LP: #1400127
  * net/mlx4_en: Add ethtool support for [rx|tx]vlan offload set to OFF/ON
- LP: #1400127
  * net/mlx4_core: Prevent VF from changing port configuration
- LP: #1400127
  * net/mlx4_en: mlx4_en_set_settings() always fails when autoneg is set
- LP: #1400127
  * ipv4: fix nexthop attlen check in fib_nh_match
- LP: #1408779
  * vxlan: fix a use after free in vxlan_encap_bypass
- LP: #1408779
  * vxlan: using pskb_may_pull as early as possible
- LP: #1408779
  * vxlan: fix a free after use
- LP: #1408779
  * ipv4: fix a potential use after free in ip_tunnel_core.c
- LP: #1408779
  * ax88179_178a: fix bonding failure
- LP: #1408779
  * tcp: md5: do not use alloc_percpu()
- LP: #1408779
  * ipv4: dst_entry leak in ip_send_unicast_reply()
- LP: #1408779
  * drivers/net, ipv6: Select IPv6 fragment idents for virtio UFO packets
- LP: #1408779
  * drivers/net: macvtap and tun depend on INET
- LP: #1408779
  * ip6_tunnel: Use ip6_tnl_dev_init as the ndo_init function.
- LP: #1408779
  * vti6: Use vti6_dev_init as the ndo_init function.
- LP: #1408779
  * sit: Use ipip6_tunnel_init as the ndo_init function.
- LP: #1408779
  * gre6: Move the setting of dev-iflink into the ndo_init functions.
- LP: #1408779
  * vxlan: Do not reuse sockets for a different address family
- LP: #1408779
  * net: sctp: fix memory leak in auth key management
- LP: #1408779
  * smsc911x: power-up phydev before doing a software reset.
- LP: #1408779
  * sunvdc: add cdrom and v1.1 protocol support
- LP: #1408779
  * sunvdc: compute vdisk geometry from capacity
- LP: #1408779
  * sunvdc: limit each sg segment to a page
- LP: #1408779
  * vio: fix reuse of vio_dring slot
- LP: #1408779
  * sunvdc: don't call VD_OP_GET_VTOC
- LP: #1408779
  * sparc64: Fix crashes in schizo_pcierr_intr_other().
- LP: #1408779
  * sparc64: Do irq_{enter,exit}() around generic_smp_call_function*().
- LP: #1408779
  * sparc32: Implement xchg and atomic_xchg using ATOMIC_HASH locks
- LP: #1408779
  * sparc64: Fix constraints on swab helpers.
- LP: #1408779
  * inetdevice: fixed signed integer overflow
- LP: #1408779
  * ipv4: Fix incorrect error code when adding an unreachable route
- LP: #1408779
  * ieee802154: fix error handling in ieee802154fake_probe()
- LP: #1408779
  * qmi_wwan: Add support for HP lt4112 LTE/HSPA+ Gobi 4G Modem
- LP: #1408779
  * pptp: fix stack info leak in pptp_getname()
- LP: #1408779
  * ipx: fix locking regression in ipx_sendmsg and ipx_recvmsg
- LP: #1408779
  * aio: fix uncorrent dirty pages accouting when truncating AIO ring
buffer
- LP: #1408779
  * spi: dw: Fix dynamic speed change.
- LP: #1408779
  * USB: serial: cp210x: add IDs for CEL MeshConnect USB Stick
- LP: #1408779
  * iio: Fix IIO_EVENT_CODE_EXTRACT_DIR bit mask
- LP: #1408779
  * usb: serial: ftdi_sio: add PIDs for Matrix Orbital products
- LP: #1408779
  * USB: keyspan: fix tty line-status reporting
- LP: #1408779
  * USB: keyspan: fix overrun-error reporting
- LP: #1408779
  * USB: ssu100: fix overrun-error reporting
- LP: #1408779
  * nfsd: correctly define v4.2 support attributes
- LP: 

[Bug 1404558] Re: IPv6 related kernel panic following upgrade to 3.13.0-43

2015-01-24 Thread Stephen Frost
I've been running the new kenrel across all of my systems and have not
had any problems for the past 2 days, so I'd call this good.  Previously
failures were happening pretty quickly and always within a day.  Thanks!

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[Bug 1404558] Re: IPv6 related kernel panic following upgrade to 3.13.0-43

2015-01-16 Thread Brad Figg
This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
trusty' to 'verification-done-trusty'.

If verification is not done by 5 working days from today, this fix will
be dropped from the source code, and this bug will be closed.

See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how
to enable and use -proposed. Thank you!


** Tags added: verification-needed-trusty

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[Bug 1404558] Re: IPv6 related kernel panic following upgrade to 3.13.0-43

2015-01-16 Thread Stéphane Graber
Booted the new kernel and so far so good. Since there is no real
reproducer for this bug, I'll mark this as verification-done and will
come flip it back to verification-failed if the box panics by the time
you push this kernel to updates.

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

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[Bug 1404558] Re: IPv6 related kernel panic following upgrade to 3.13.0-43

2015-01-12 Thread Andy Whitcroft
This was a backport specific issue, trusty alone is affected.

** Changed in: linux (Ubuntu)
   Status: Confirmed = Invalid

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[Bug 1404558] Re: IPv6 related kernel panic following upgrade to 3.13.0-43

2015-01-09 Thread Andy Whitcroft
Patched pushed up to kernel-team@ for SRU.

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[Bug 1404558] Re: IPv6 related kernel panic following upgrade to 3.13.0-43

2015-01-09 Thread Brad Figg
** Changed in: linux (Ubuntu Trusty)
   Status: In Progress = Fix Committed

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[Bug 1404558] Re: IPv6 related kernel panic following upgrade to 3.13.0-43

2015-01-08 Thread Stéphane Graber
Still no panic after 48h, let's call it good.

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[Bug 1404558] Re: IPv6 related kernel panic following upgrade to 3.13.0-43

2015-01-07 Thread Stéphane Graber
Almost 24 hours and no kernel panic so far!

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[Bug 1404558] Re: IPv6 related kernel panic following upgrade to 3.13.0-43

2015-01-06 Thread Joseph Salisbury
** Tags removed: kernel-key
** Tags added: kernel-da-key

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[Bug 1404558] Re: IPv6 related kernel panic following upgrade to 3.13.0-43

2015-01-06 Thread Andy Whitcroft
** Changed in: linux (Ubuntu Trusty)
   Status: New = In Progress

** Changed in: linux (Ubuntu Trusty)
   Importance: Undecided = Critical

** Changed in: linux (Ubuntu Trusty)
 Assignee: (unassigned) = Andy Whitcroft (apw)

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[Bug 1404558] Re: IPv6 related kernel panic following upgrade to 3.13.0-43

2015-01-06 Thread Andy Whitcroft
This might be related to a backport issue in the upstream stable patch
below:

  commit 4fab9071950c2021d846e18351e0f46a1cffd67b
  Author: Neal Cardwell ncardw...@google.com
  Date:   Thu Aug 14 12:40:05 2014 -0400

tcp: fix tcp_release_cb() to dispatch via address family for
mtu_reduced()

I have produced some test kernels with the backport corrected, could you
try the kernels below to confirm if this is indeed the underlying issue.
Kernels are at the URL below:

http://people.canonical.com/~apw/lp1404558-trusty/

Please report any testing back here.

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[Bug 1404558] Re: IPv6 related kernel panic following upgrade to 3.13.0-43

2015-01-06 Thread Andy Whitcroft
** Changed in: linux (Ubuntu)
 Assignee: (unassigned) = Andy Whitcroft (apw)

** Changed in: linux (Ubuntu)
Milestone: None = ubuntu-15.01

** Also affects: linux (Ubuntu Trusty)
   Importance: Undecided
   Status: New

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[Bug 1404558] Re: IPv6 related kernel panic following upgrade to 3.13.0-43

2015-01-05 Thread Andy Whitcroft
Could you also give us a flavour for how reproducible this is?

If this is seemingly fixed in the lts-utopic, the -ckt13 test is likely
the most informative.  There is also a kernel sitting in -proposed which
might be worth a shot too.

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[Bug 1404558] Re: IPv6 related kernel panic following upgrade to 3.13.0-43

2015-01-05 Thread Stéphane Graber
I don't have a reproducer other than install the kernel and wait 24h as
that's how long it took for some systems to panic...

From a very quick look, those kernels are mainline kernels,
unfortunately all my hosts are LXC hosts using unprivileged containers
with overlayfs, so I need kernels with the Ubuntu patchset applied for
them to be usable.

For now, I'll go test the current -proposed kernel on my least critical
system, see if I can get that one to panic.

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Title:
  IPv6 related kernel panic following upgrade to 3.13.0-43

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[Bug 1404558] Re: IPv6 related kernel panic following upgrade to 3.13.0-43

2015-01-05 Thread Stéphane Graber
Rebooted the Xeon E5-2620v2 system on linux-image-3.13.0-44-generic now.

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Title:
  IPv6 related kernel panic following upgrade to 3.13.0-43

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[Bug 1404558] Re: IPv6 related kernel panic following upgrade to 3.13.0-43

2015-01-05 Thread Stéphane Graber
Reproduced the panic with -44, same stack trace, screenshot attached.
Booting the machine back on -40 now.

** Attachment added: Screenshot from 2015-01-05 16:40:16.png
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1404558/+attachment/4292566/+files/Screenshot%20from%202015-01-05%2016%3A40%3A16.png

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Title:
  IPv6 related kernel panic following upgrade to 3.13.0-43

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[Bug 1404558] Re: IPv6 related kernel panic following upgrade to 3.13.0-43

2015-01-03 Thread Joseph Salisbury
Hi Stephane,

Can you see if this issue was already fixed in the latest 3.13 upstream kernel:
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.13.11-ckt13-trusty/

If it was not, we can bisect the issue.

It might also be worth testing the latest mainline kernel, to see if this issue 
came down from upstream:
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.19-rc2-vivid/

** Tags added: regression-update

** Tags added: kernel-key trusty

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  IPv6 related kernel panic following upgrade to 3.13.0-43

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[Bug 1404558] Re: IPv6 related kernel panic following upgrade to 3.13.0-43

2014-12-27 Thread Alberto Salvia Novella
** Changed in: linux (Ubuntu)
   Importance: Undecided = Critical

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  IPv6 related kernel panic following upgrade to 3.13.0-43

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[Bug 1404558] Re: IPv6 related kernel panic following upgrade to 3.13.0-43

2014-12-20 Thread Stéphane Graber
Might be worth mentioning that all affected hosts are x86 64bit Intel.

For those I've got access to, the issue happened on:
 - 2x Xeon E3-1245v2
 - 1x Xeon E5-2620v2
 - 1x Atom C2750
 - 1x Atom D2500
 - 1x Core i5 750

All running on pretty standard Intel boards, so the usual set of Intel
chipsets for their generation.

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  IPv6 related kernel panic following upgrade to 3.13.0-43

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[Bug 1404558] Re: IPv6 related kernel panic following upgrade to 3.13.0-43

2014-12-20 Thread Stéphane Graber
** Changed in: linux (Ubuntu)
   Status: Incomplete = Confirmed

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  IPv6 related kernel panic following upgrade to 3.13.0-43

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