[Bug 1841766] Re: ubuntu_lttng_smoke_test crash with B-5.0 AWS/Azure/GCP

2021-06-16 Thread Po-Hsu Lin
Closing this old bug.

** Changed in: ubuntu-kernel-tests
   Status: New => Fix Released

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  ubuntu_lttng_smoke_test crash with B-5.0 AWS/Azure/GCP

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[Bug 1841766] Re: ubuntu_lttng_smoke_test crash with B-5.0 AWS/Azure/GCP

2019-10-07 Thread Launchpad Bug Tracker
This bug was fixed in the package lttng-modules -
2.10.8-1ubuntu1~18.04.1

---
lttng-modules (2.10.8-1ubuntu1~18.04.1) bionic; urgency=medium

  * Fix kernel crash on Bionic with 5.0.0 kernels (LP: #1841766)
- Initial backport for Bionic to fix issues with 5.0.0
  kernels.

lttng-modules (2.10.8-1ubuntu1) disco; urgency=medium

  * Fix Linux 5.0 dkms build issues (LP: #1813062)
- Minor patch wiggle backports of upstream commits:
[80bb260] Fix: Remove 'type' argument from access_ok()
  function (v5.0)
[cef5d79] Fix: signal: Remove SEND_SIG_FORCED (v4.20)
[b90a7f3] Fix: signal: Distinguish between kernel_siginfo and
  siginfo
[b9dbdfe] Fix: Replace pointer values with task->tk_pid and
  rpc_clnt->cl_clid
[28fef30] Fix: SUNRPC: Simplify defining common RPC trace
  events (v5.0)

lttng-modules (2.10.8-1) unstable; urgency=medium

  * [7037820] New upstream version 2.10.8
  * [9138c6b] Bump standard to 4.2.1, no changes necessary

lttng-modules (2.10.7-1) unstable; urgency=medium

  * [a2b641e] New upstream version 2.10.7
  * [473eab3] Drop patch merged upstream
  * [8237ded] Bump standard to 4.2.0, no changes necessary

lttng-modules (2.10.6-2) unstable; urgency=medium

  * [4005ba5] Add patch to fix build on linux 4.16

lttng-modules (2.10.6-1) unstable; urgency=medium

  * [60f9658] New upstream version 2.10.6
  * [e1998ce] Drop patch merged upstream
  * [36dee0d] Use salsa canonical uri in VCS-Browser
  * [8542a9d] Bump standard to 4.1.4, no changes necessary

 -- Kleber Sacilotto de Souza   Thu, 29 Aug
2019 17:51:23 +0200

** Changed in: lttng-modules (Ubuntu Bionic)
   Status: Fix Committed => Fix Released

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[Bug 1841766] Re: ubuntu_lttng_smoke_test crash with B-5.0 AWS/Azure/GCP

2019-10-03 Thread Matthew Ruffell
Bug 1846485 was opened by a customer as a duplicate of this Bug,
1841766.

I did the following testing on bionic:

Kernel 4.15.0-65-generic with lttng-modules 2.10.5-1ubuntu1.3
Functions as intended.

Kernel 5.0.0-29-hwe with lttng-modules 2.10.5-1ubuntu1.3
Reproduced page faults kernel oops documented in Bug 1841766 and Bug 1846485.

Kernel 5.0.0-29-hwe with lttng-modules 2.10.8-1ubuntu1~18.04.1 from -proposed
Everything functions as intended, verified package from -proposed fixes the 
problem.

Kernel 4.15.0-65-generic with lttng-modules 2.10.8-1ubuntu1~18.04.1 from 
-proposed
Everything functions as intended, verified package from -proposed does not 
introduce any obvious regressions.

lttng-modules 2.10.8-1ubuntu1~18.04.1 seems to be waiting on Bug 1813062 to be 
verified to be promoted to -updates, and I have successfully ran autopkgtest.
I will mark that bug as verified as well.

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

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[Bug 1841766] Re: ubuntu_lttng_smoke_test crash with B-5.0 AWS/Azure/GCP

2019-08-30 Thread Kleber Sacilotto de Souza
I have also verified locally on a VM, running ubuntu_lttng_smoke_test,
with both linux-hwe 5.0.0-27 and linux-aws-edge 5.0.0-1014.

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[Bug 1841766] Re: ubuntu_lttng_smoke_test crash with B-5.0 AWS/Azure/GCP

2019-08-30 Thread Po-Hsu Lin
Test re-triggered on B-hwe, passed with amd64 / i386

Manually verified on an ARM64 node, test passed

Thanks

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

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[Bug 1841766] Re: ubuntu_lttng_smoke_test crash with B-5.0 AWS/Azure/GCP

2019-08-29 Thread Kleber Sacilotto de Souza
** Description changed:

  [Impact]
  Test will crash and hang, until timeout on jenkins.
  
  This test passed with B-4.15 AWS, and D-5.0 AWS, just not B-5.0 AWS
  
  There is no report and no obvious failure on the jenkins output (just
  marked as build aborted), this can only be found by tailing the syslog
  when you run the test.
  
  Test output:
  Running 
'/home/ubuntu/autotest/client/tests/ubuntu_lttng_smoke_test/ubuntu_lttng_smoke_test.sh'
  [stdout] == lttng smoke test of session create/destroy ==
  [stdout] Session test-kernel-session created.
  [stdout] Traces will be written in /tmp/lttng-kernel-trace-6325-session
  [stdout] PASSED (lttng create)
  [stdout] Session test-kernel-session destroyed
  [stdout] PASSED (lttng destroy)
  [stdout]
  [stdout] == lttng smoke test trace context switches ==
  [stdout] Session test-kernel-session created.
  [stdout] Traces will be written in /tmp/lttng-kernel-trace-6325-session
  [stdout] PASSED (lttng create)
  
  syslog output:
   kernel: [  253.282158] lttng_kretprobes: loading out-of-tree module taints 
kernel.
   kernel: [  253.282191] lttng_kretprobes: module verification failed: 
signature and/or required key missing - tainting kernel
   kernel: [  253.293676] BUG: unable to handle kernel paging request at 
00025534
   kernel: [  253.296613] #PF error: [normal kernel read fault]
   kernel: [  253.298623] PGD 0 P4D 0
   kernel: [  253.299783] Oops:  [#1] SMP PTI
   kernel: [  253.301313] CPU: 3 PID: 955 Comm: lttng-sessiond Tainted: G   
OE 5.0.0-1014-aws #16~18.04.1-Ubuntu
   kernel: [  253.305391] Hardware name: Amazon EC2 m5.xlarge/, BIOS 1.0 
10/16/2017
   kernel: [  253.308102] RIP: 0010:lttng_tracepoint_notify+0x172/0x210 
[lttng_tracer]
   kernel: [  253.310886] Code: eb 1a 49 39 c6 0f 85 ab 00 00 00 49 8b 55 10 41 
83 c4 01 44 39 a2 8c 02 00 00 76 a3 48 8b 92 90 02 00 00 49 63 c4 4c 63 34 82 
<49> 8b 1e 48 89 df e8 33 fb ff ff 48 85 c0 49 89 c7 74 52 49 8b 47
   kernel: [  253.318387] RSP: 0018:b9c80232fbd8 EFLAGS: 00010246
   kernel: [  253.320596] RAX:  RBX: 9a27cbec9c00 RCX: 
0041
   kernel: [  253.323556] RDX: c0456a0c RSI: 0001 RDI: 
c0898100
   kernel: [  253.326507] RBP: b9c80232fc08 R08: 9a27d2ba70c0 R09: 
9a27d2403680
   kernel: [  253.329460] R10: b9c80232fb48 R11:  R12: 

   kernel: [  253.332420] R13: 9a27cbec9c00 R14: 00025534 R15: 
c0898740
   kernel: [  253.335375] FS:  7f26e1d49700() GS:9a27d2b8() 
knlGS:
   kernel: [  253.338700] CS:  0010 DS:  ES:  CR0: 80050033
   kernel: [  253.341118] CR2: 00025534 CR3: 00040c86c003 CR4: 
007606e0
   kernel: [  253.345464] DR0:  DR1:  DR2: 

   kernel: [  253.349798] DR3:  DR6: fffe0ff0 DR7: 
0400
   kernel: [  253.354126] PKRU: 5554
   kernel: [  253.356719] Call Trace:
   kernel: [  253.359210]  register_tracepoint_module_notifier+0x57/0x80
   kernel: [  253.362856]  ? 0xc08d7000
   kernel: [  253.365675]  lttng_tracepoint_init+0x45/0xc40 [lttng_tracer]
   kernel: [  253.369380]  lttng_events_init+0xbc/0x233 [lttng_tracer]
   kernel: [  253.372952]  ? 0xc08d7000
   kernel: [  253.375739]  do_one_initcall+0x4a/0x1c9
   kernel: [  253.378733]  ? _cond_resched+0x19/0x40
   kernel: [  253.381693]  ? kmem_cache_alloc_trace+0x151/0x1c0
   kernel: [  253.385037]  do_init_module+0x5f/0x216
   kernel: [  253.387999]  load_module+0x19f6/0x20a0
   kernel: [  253.390956]  __do_sys_finit_module+0xfc/0x120
   kernel: [  253.394153]  ? __do_sys_finit_module+0xfc/0x120
   kernel: [  253.397416]  __x64_sys_finit_module+0x1a/0x20
   kernel: [  253.400618]  do_syscall_64+0x5a/0x120
   kernel: [  253.403547]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
   kernel: [  253.407035] RIP: 0033:0x7f26e738d839
   kernel: [  253.409949] Code: 00 f3 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 
00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 
<48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 1f f6 2c 00 f7 d8 64 89 01 48
   kernel: [  253.421539] RSP: 002b:7f26e1d38758 EFLAGS: 0246 ORIG_RAX: 
0139
   kernel: [  253.427373] RAX: ffda RBX: 7f26cc004d70 RCX: 
7f26e738d839
   kernel: [  253.431692] RDX:  RSI: 7f26e8d0a145 RDI: 
0030
   kernel: [  253.435978] RBP: 7f26e8d0a145 R08:  R09: 
7f26cc004b00
   kernel: [  253.440270] R10: 0030 R11: 0246 R12: 

   kernel: [  253.444581] R13: 7f26cc004570 R14:  R15: 
7f26cc004b00
   kernel: [  253.448853] Modules linked in: lttng_tracer(OE+) 
lttng_statedump(OE) lttng_kprobes(OE) lttng_clock(OE) lttng_lib_ring_buffer(OE) 
lttng_kretprobes(OE) ppdev parport_pc parport serio_raw 

[Bug 1841766] Re: ubuntu_lttng_smoke_test crash with B-5.0 AWS/Azure/GCP

2019-08-29 Thread Andy Whitcroft
Hello Po-Hsu, or anyone else affected,

Accepted lttng-modules into bionic-proposed. The package will build now
and be available at https://launchpad.net/ubuntu/+source/lttng-
modules/2.10.8-1ubuntu1~18.04.1 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 on 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-bionic to verification-done-bionic. If it does not
fix the bug for you, please add a comment stating that, and change the
tag to verification-failed-bionic. In either case, without details of
your testing we will not be able to proceed.

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

N.B. The updated package will be released to -updates after the bug(s)
fixed by this package have been verified and the package has been in
-proposed for a minimum of 7 days.

** Tags added: verification-needed verification-needed-bionic

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  ubuntu_lttng_smoke_test crash with B-5.0 AWS/Azure/GCP

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[Bug 1841766] Re: ubuntu_lttng_smoke_test crash with B-5.0 AWS/Azure/GCP

2019-08-29 Thread Tyler Hicks
Based on the positive test results and a review of the changes between
current Disco and Bionic, I've sponsored this package to bionic-
proposed. Thanks!

** Changed in: lttng-modules (Ubuntu Bionic)
   Status: In Progress => Fix Committed

** Changed in: lttng-modules (Ubuntu Bionic)
 Assignee: (unassigned) => Kleber Sacilotto de Souza (kleber-souza)

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  ubuntu_lttng_smoke_test crash with B-5.0 AWS/Azure/GCP

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[Bug 1841766] Re: ubuntu_lttng_smoke_test crash with B-5.0 AWS/Azure/GCP

2019-08-29 Thread Sean Feole
Using the package built : lttng-modules-
dkms_2.10.8-1ubuntu1~18.04.1_all.deb

I was able to successfully re-run the ubuntu_lttng_smoke_tests suite,
ensuring the lttng-modules-dkms from the ppa was installed.

Full logs attached.

lttng-modules-dkms: 

  
  Installed: 2.10.8-1ubuntu1~18.04.1

  
  Candidate: 2.10.8-1ubuntu1~18.04.1

  
  Version table:

  
 *** 2.10.8-1ubuntu1~18.04.1 500

  
500 http://ppa.launchpad.net/canonical-kernel-team/ppa/ubuntu 
bionic/main amd64 Packages  

100 /var/lib/dpkg/status

  
 2.10.5-1ubuntu1.3 500  

  
500 http://us-west1.gce.archive.ubuntu.com/ubuntu 
bionic-updates/universe amd64 Packages  

 2.10.5-1ubuntu1 500

  
500 http://us-west1.gce.archive.ubuntu.com/ubuntu bionic/universe amd64 
Packages 

** Attachment added: "ubuntu_lttng.txt"
   
https://bugs.launchpad.net/ubuntu/+source/linux-aws-edge/+bug/1841766/+attachment/5285650/+files/ubuntu_lttng.txt

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[Bug 1841766] Re: ubuntu_lttng_smoke_test crash with B-5.0 AWS/Azure/GCP

2019-08-29 Thread Kleber Sacilotto de Souza
lttng-modules package for sponsor for Bionic:

https://people.canonical.com/~ksouza/lp1841766/

** Changed in: lttng-modules (Ubuntu)
   Status: In Progress => Invalid

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  ubuntu_lttng_smoke_test crash with B-5.0 AWS/Azure/GCP

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[Bug 1841766] Re: ubuntu_lttng_smoke_test crash with B-5.0 AWS/Azure/GCP

2019-08-29 Thread Kleber Sacilotto de Souza
** Description changed:

+ [Impact]
  Test will crash and hang, until timeout on jenkins.
  
  This test passed with B-4.15 AWS, and D-5.0 AWS, just not B-5.0 AWS
  
  There is no report and no obvious failure on the jenkins output (just
  marked as build aborted), this can only be found by tailing the syslog
  when you run the test.
  
  Test output:
  Running 
'/home/ubuntu/autotest/client/tests/ubuntu_lttng_smoke_test/ubuntu_lttng_smoke_test.sh'
  [stdout] == lttng smoke test of session create/destroy ==
  [stdout] Session test-kernel-session created.
  [stdout] Traces will be written in /tmp/lttng-kernel-trace-6325-session
  [stdout] PASSED (lttng create)
  [stdout] Session test-kernel-session destroyed
  [stdout] PASSED (lttng destroy)
  [stdout]
  [stdout] == lttng smoke test trace context switches ==
  [stdout] Session test-kernel-session created.
  [stdout] Traces will be written in /tmp/lttng-kernel-trace-6325-session
  [stdout] PASSED (lttng create)
  
  syslog output:
   kernel: [  253.282158] lttng_kretprobes: loading out-of-tree module taints 
kernel.
   kernel: [  253.282191] lttng_kretprobes: module verification failed: 
signature and/or required key missing - tainting kernel
   kernel: [  253.293676] BUG: unable to handle kernel paging request at 
00025534
   kernel: [  253.296613] #PF error: [normal kernel read fault]
   kernel: [  253.298623] PGD 0 P4D 0
   kernel: [  253.299783] Oops:  [#1] SMP PTI
   kernel: [  253.301313] CPU: 3 PID: 955 Comm: lttng-sessiond Tainted: G   
OE 5.0.0-1014-aws #16~18.04.1-Ubuntu
   kernel: [  253.305391] Hardware name: Amazon EC2 m5.xlarge/, BIOS 1.0 
10/16/2017
   kernel: [  253.308102] RIP: 0010:lttng_tracepoint_notify+0x172/0x210 
[lttng_tracer]
   kernel: [  253.310886] Code: eb 1a 49 39 c6 0f 85 ab 00 00 00 49 8b 55 10 41 
83 c4 01 44 39 a2 8c 02 00 00 76 a3 48 8b 92 90 02 00 00 49 63 c4 4c 63 34 82 
<49> 8b 1e 48 89 df e8 33 fb ff ff 48 85 c0 49 89 c7 74 52 49 8b 47
   kernel: [  253.318387] RSP: 0018:b9c80232fbd8 EFLAGS: 00010246
   kernel: [  253.320596] RAX:  RBX: 9a27cbec9c00 RCX: 
0041
   kernel: [  253.323556] RDX: c0456a0c RSI: 0001 RDI: 
c0898100
   kernel: [  253.326507] RBP: b9c80232fc08 R08: 9a27d2ba70c0 R09: 
9a27d2403680
   kernel: [  253.329460] R10: b9c80232fb48 R11:  R12: 

   kernel: [  253.332420] R13: 9a27cbec9c00 R14: 00025534 R15: 
c0898740
   kernel: [  253.335375] FS:  7f26e1d49700() GS:9a27d2b8() 
knlGS:
   kernel: [  253.338700] CS:  0010 DS:  ES:  CR0: 80050033
   kernel: [  253.341118] CR2: 00025534 CR3: 00040c86c003 CR4: 
007606e0
   kernel: [  253.345464] DR0:  DR1:  DR2: 

   kernel: [  253.349798] DR3:  DR6: fffe0ff0 DR7: 
0400
   kernel: [  253.354126] PKRU: 5554
   kernel: [  253.356719] Call Trace:
   kernel: [  253.359210]  register_tracepoint_module_notifier+0x57/0x80
   kernel: [  253.362856]  ? 0xc08d7000
   kernel: [  253.365675]  lttng_tracepoint_init+0x45/0xc40 [lttng_tracer]
   kernel: [  253.369380]  lttng_events_init+0xbc/0x233 [lttng_tracer]
   kernel: [  253.372952]  ? 0xc08d7000
   kernel: [  253.375739]  do_one_initcall+0x4a/0x1c9
   kernel: [  253.378733]  ? _cond_resched+0x19/0x40
   kernel: [  253.381693]  ? kmem_cache_alloc_trace+0x151/0x1c0
   kernel: [  253.385037]  do_init_module+0x5f/0x216
   kernel: [  253.387999]  load_module+0x19f6/0x20a0
   kernel: [  253.390956]  __do_sys_finit_module+0xfc/0x120
   kernel: [  253.394153]  ? __do_sys_finit_module+0xfc/0x120
   kernel: [  253.397416]  __x64_sys_finit_module+0x1a/0x20
   kernel: [  253.400618]  do_syscall_64+0x5a/0x120
   kernel: [  253.403547]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
   kernel: [  253.407035] RIP: 0033:0x7f26e738d839
   kernel: [  253.409949] Code: 00 f3 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 
00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 
<48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 1f f6 2c 00 f7 d8 64 89 01 48
   kernel: [  253.421539] RSP: 002b:7f26e1d38758 EFLAGS: 0246 ORIG_RAX: 
0139
   kernel: [  253.427373] RAX: ffda RBX: 7f26cc004d70 RCX: 
7f26e738d839
   kernel: [  253.431692] RDX:  RSI: 7f26e8d0a145 RDI: 
0030
   kernel: [  253.435978] RBP: 7f26e8d0a145 R08:  R09: 
7f26cc004b00
   kernel: [  253.440270] R10: 0030 R11: 0246 R12: 

   kernel: [  253.444581] R13: 7f26cc004570 R14:  R15: 
7f26cc004b00
   kernel: [  253.448853] Modules linked in: lttng_tracer(OE+) 
lttng_statedump(OE) lttng_kprobes(OE) lttng_clock(OE) lttng_lib_ring_buffer(OE) 
lttng_kretprobes(OE) ppdev parport_pc parport serio_raw 

[Bug 1841766] Re: ubuntu_lttng_smoke_test crash with B-5.0 AWS/Azure/GCP

2019-08-29 Thread Kleber Sacilotto de Souza
To reproduce:

- Install lttng-modules-dkms 2.10.5-1ubuntu1.3
- load lttng-tracer module

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Title:
  ubuntu_lttng_smoke_test crash with B-5.0 AWS/Azure/GCP

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[Bug 1841766] Re: ubuntu_lttng_smoke_test crash with B-5.0 AWS/Azure/GCP

2019-08-29 Thread Kleber Sacilotto de Souza
I was able to reproduce the issue as well with bionic/linux-hwe 5.0.0-25
as well. Note that this kernel version is from -updates, so this doesn't
affect only the kernel currently in -proposed.

While this is not a regression per-se, given that lttng-modules
2.10.5-1ubuntu1.2 were not compiling with 5.0 kernel in Bionic, version
2.10.5-1ubuntu1.3 compiles but causes the kernel bug mentioned.

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Title:
  ubuntu_lttng_smoke_test crash with B-5.0 AWS/Azure/GCP

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[Bug 1841766] Re: ubuntu_lttng_smoke_test crash with B-5.0 AWS/Azure/GCP

2019-08-28 Thread Po-Hsu Lin
This issue could be found across different clouds,
but the D-5.0 GCP / D-5.0 Azure are all good like AWS here.

** Summary changed:

- ubuntu_lttng_smoke_test crash with B-5.0 AWS
+ ubuntu_lttng_smoke_test crash with B-5.0 AWS/Azure/GCP

** Tags added: azure gcp

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Title:
  ubuntu_lttng_smoke_test crash with B-5.0 AWS/Azure/GCP

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