| 2018-05-25 16:16:18 |
Siva Rebbagondla |
bug |
|
|
added bug |
| 2018-05-25 16:22:12 |
Siva Rebbagondla |
attachment added |
|
sheel script that ran for regression in ubuntui xenial. https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1773410/+attachment/5144353/+files/driver_crash.sh |
|
| 2018-05-25 16:30:08 |
Ubuntu Kernel Bot |
linux (Ubuntu): status |
New |
Incomplete |
|
| 2018-05-28 12:16:03 |
Shrirang Bagul |
description |
SRU Justification
-----------------
Impact:
Kernel freezes/panic when running wireless tests in regression
Test case:
1. Keep a wrong access-point name in sta.conf file and run the nmcli.
2. There will be continuous scan will be happen and do remove the module using rmmod.sh script.
3. When soft scan is happening in redpine driver, before connection. Some times, we have observed
a kernel panic. like below
[ 1171.913244] BUG: unable to handle page request at 00000000001067e38
[ 1171.913248] IP: cfg80211_scan_done+0xb0/0xc0 [cfg80211]
[ 1171.913971] __ieee80211_scan_completed+0xb1/0x390 [mac80211]
[ 1171.914078] ieee80211_scan_work+0x7e/0x480 [mac80211]
[ 1171.914098] process_one_work+0x142/0x3d0
[ 1171.914111] worker_thread+0x229/0x440
[ 1171.914122] kthread+0xf5/0x130
[ 1171.914132] ? process_one_work+0x3d0/0x3d0
[ 1171.914140] ? kthread_associate_blkcg+0x90/0x90
[ 1171.914152] ret_from_fork+0x35/0x40
Fix:
scan work function keeps running even after cancel_hw_scan() call.
Issue is resolved by calling cancel_work_sync().
Regression potential:
Ran driver_crash.sh for 100 times and didn't see the issue. |
SRU Justification
-----------------
Impact:
Kernel freezes/panic when running wireless tests in regression
Test case:
1. Keep a wrong access-point name in sta.conf file and run the nmcli.
2. There will be continuous scan will be happen and do remove the module using rmmod.sh script.
3. When soft scan is happening in redpine driver, before connection. Some times, we have observed
a kernel panic. like below
[ 1171.913244] BUG: unable to handle page request at 00000000001067e38
[ 1171.913248] IP: cfg80211_scan_done+0xb0/0xc0 [cfg80211]
[ 1171.913971] __ieee80211_scan_completed+0xb1/0x390 [mac80211]
[ 1171.914078] ieee80211_scan_work+0x7e/0x480 [mac80211]
[ 1171.914098] process_one_work+0x142/0x3d0
[ 1171.914111] worker_thread+0x229/0x440
[ 1171.914122] kthread+0xf5/0x130
[ 1171.914132] ? process_one_work+0x3d0/0x3d0
[ 1171.914140] ? kthread_associate_blkcg+0x90/0x90
[ 1171.914152] ret_from_fork+0x35/0x40
Fix:
scan work function keeps running even after cancel_hw_scan() call.
Issue is resolved by calling cancel_work_sync().
Regression potential:
Ran driver_crash.sh for 100 times and didn't see the issue.
This bug is for tracking purposes only, please don't triage. |
|
| 2018-05-28 12:16:14 |
Shrirang Bagul |
linux (Ubuntu): status |
Incomplete |
Confirmed |
|
| 2018-05-28 12:16:20 |
Shrirang Bagul |
linux (Ubuntu): importance |
Undecided |
Critical |
|
| 2018-05-28 12:16:32 |
Shrirang Bagul |
nominated for series |
|
Ubuntu Xenial |
|
| 2018-05-29 15:26:01 |
Joseph Salisbury |
bug task added |
|
linux (Ubuntu Xenial) |
|
| 2018-05-29 15:26:06 |
Joseph Salisbury |
linux (Ubuntu Xenial): status |
New |
Confirmed |
|
| 2018-05-29 15:26:10 |
Joseph Salisbury |
linux (Ubuntu Xenial): importance |
Undecided |
Critical |
|
| 2018-06-20 10:44:13 |
Siva Rebbagondla |
summary |
Redpine: Observed kernel panic while when running wireless tests in regression mode |
Redpine: Observed kernel panic while running wireless tests in regression mode |
|
| 2018-07-29 20:12:11 |
Khaled El Mously |
linux (Ubuntu Xenial): status |
Confirmed |
Fix Committed |
|
| 2018-08-03 18:03:56 |
Brad Figg |
tags |
|
verification-needed-xenial |
|
| 2018-08-15 06:31:50 |
Shrirang Bagul |
tags |
verification-needed-xenial |
verification-done-xenial |
|
| 2018-08-23 19:23:06 |
Launchpad Janitor |
linux (Ubuntu Xenial): status |
Fix Committed |
Fix Released |
|
| 2018-08-23 19:23:06 |
Launchpad Janitor |
cve linked |
|
2018-12233 |
|
| 2018-08-23 19:23:06 |
Launchpad Janitor |
cve linked |
|
2018-13094 |
|
| 2018-08-23 19:23:06 |
Launchpad Janitor |
cve linked |
|
2018-13405 |
|
| 2018-10-03 14:27:51 |
Joseph Salisbury |
linux (Ubuntu): status |
Confirmed |
Fix Released |
|
| 2019-07-24 20:18:23 |
Brad Figg |
tags |
verification-done-xenial |
cscc verification-done-xenial |
|
