| 2023-02-21 05:53:19 |
Po-Hsu Lin |
bug |
|
|
added bug |
| 2023-02-21 05:53:31 |
Po-Hsu Lin |
summary |
[Possible Regression] powerpc/tm:tm-resched-dscr in ubuntu_kernel_selftests failed |
[Possible Regression] powerpc/tm:tm-resched-dscr in ubuntu_kernel_selftests failed on P8 |
|
| 2023-02-21 05:53:46 |
Po-Hsu Lin |
bug task added |
|
linux (Ubuntu) |
|
| 2023-02-21 06:00:06 |
Ubuntu Kernel Bot |
linux (Ubuntu): status |
New |
Incomplete |
|
| 2023-02-21 09:08:14 |
Stefan Bader |
description |
Issue found with J-hwe-5.15.0-66.73~20.04.1 on Power8 node "gulpin".
Test failed with:
test: tm_resched_dscr
tags: git_version:bfd31f0-dirty
Binding to cpu 8
main test running as pid 2542
Check DSCR TM context switch:
!! killing tm_resched_dscr
!! child died by signal 15
failure: tm_resched_dscr
Nothing interesting in dmesg / syslog:
$ dmesg | tail
[ 20.556968] IPv6: ADDRCONF(NETDEV_CHANGE): enP34p1s0f0: link becomes ready
[ 20.572182] tg3 0022:01:00.2 enP34p1s0f2: Link is up at 1000 Mbps, full duplex
[ 20.572187] tg3 0022:01:00.2 enP34p1s0f2: Flow control is off for TX and off for RX
[ 20.572191] tg3 0022:01:00.2 enP34p1s0f2: EEE is disabled
[ 20.572201] IPv6: ADDRCONF(NETDEV_CHANGE): enP34p1s0f2: link becomes ready
[ 24.598633] kauditd_printk_skb: 19 callbacks suppressed
[ 24.598640] audit: type=1400 audit(1676957767.768:31): apparmor="DENIED" operation="open" profile="/usr/sbin/ntpd" name="/snap/bin/" pid=2171 comm="ntpd" requested_mask="r" denied_mask="r" fsuid=0 ouid=0
[ 27.682671] loop3: detected capacity change from 0 to 8
[ 28.618195] fbcon: Taking over console
[ 28.747706] Console: switching to colour frame buffer device 128x48
This issue does not exist with 5.15.0-60.66~20.04.1
test: tm_resched_dscr
tags: git_version:bfd31f0-dirty
Binding to cpu 8
main test running as pid 28806
Check DSCR TM context switch: OK
success: tm_resched_dscr
We didn't see this issue in Jammy 5.15 as Power8 was not supported there, and this test was skipped on the Power9 node (looks like because of the lack of PPC_FEATURE2_HTM) |
Issue found with Focal hwe-5.15.0-66.73~20.04.1 on Power8 node "gulpin".
Test failed with:
test: tm_resched_dscr
tags: git_version:bfd31f0-dirty
Binding to cpu 8
main test running as pid 2542
Check DSCR TM context switch:
!! killing tm_resched_dscr
!! child died by signal 15
failure: tm_resched_dscr
Nothing interesting in dmesg / syslog:
$ dmesg | tail
[ 20.556968] IPv6: ADDRCONF(NETDEV_CHANGE): enP34p1s0f0: link becomes ready
[ 20.572182] tg3 0022:01:00.2 enP34p1s0f2: Link is up at 1000 Mbps, full duplex
[ 20.572187] tg3 0022:01:00.2 enP34p1s0f2: Flow control is off for TX and off for RX
[ 20.572191] tg3 0022:01:00.2 enP34p1s0f2: EEE is disabled
[ 20.572201] IPv6: ADDRCONF(NETDEV_CHANGE): enP34p1s0f2: link becomes ready
[ 24.598633] kauditd_printk_skb: 19 callbacks suppressed
[ 24.598640] audit: type=1400 audit(1676957767.768:31): apparmor="DENIED" operation="open" profile="/usr/sbin/ntpd" name="/snap/bin/" pid=2171 comm="ntpd" requested_mask="r" denied_mask="r" fsuid=0 ouid=0
[ 27.682671] loop3: detected capacity change from 0 to 8
[ 28.618195] fbcon: Taking over console
[ 28.747706] Console: switching to colour frame buffer device 128x48
This issue does not exist with 5.15.0-60.66~20.04.1
test: tm_resched_dscr
tags: git_version:bfd31f0-dirty
Binding to cpu 8
main test running as pid 28806
Check DSCR TM context switch: OK
success: tm_resched_dscr
We didn't see this issue in Jammy 5.15 as Power8 was not supported there, and this test was skipped on the Power9 node (looks like because of the lack of PPC_FEATURE2_HTM) |
|
| 2023-02-21 09:10:55 |
Po-Hsu Lin |
description |
Issue found with Focal hwe-5.15.0-66.73~20.04.1 on Power8 node "gulpin".
Test failed with:
test: tm_resched_dscr
tags: git_version:bfd31f0-dirty
Binding to cpu 8
main test running as pid 2542
Check DSCR TM context switch:
!! killing tm_resched_dscr
!! child died by signal 15
failure: tm_resched_dscr
Nothing interesting in dmesg / syslog:
$ dmesg | tail
[ 20.556968] IPv6: ADDRCONF(NETDEV_CHANGE): enP34p1s0f0: link becomes ready
[ 20.572182] tg3 0022:01:00.2 enP34p1s0f2: Link is up at 1000 Mbps, full duplex
[ 20.572187] tg3 0022:01:00.2 enP34p1s0f2: Flow control is off for TX and off for RX
[ 20.572191] tg3 0022:01:00.2 enP34p1s0f2: EEE is disabled
[ 20.572201] IPv6: ADDRCONF(NETDEV_CHANGE): enP34p1s0f2: link becomes ready
[ 24.598633] kauditd_printk_skb: 19 callbacks suppressed
[ 24.598640] audit: type=1400 audit(1676957767.768:31): apparmor="DENIED" operation="open" profile="/usr/sbin/ntpd" name="/snap/bin/" pid=2171 comm="ntpd" requested_mask="r" denied_mask="r" fsuid=0 ouid=0
[ 27.682671] loop3: detected capacity change from 0 to 8
[ 28.618195] fbcon: Taking over console
[ 28.747706] Console: switching to colour frame buffer device 128x48
This issue does not exist with 5.15.0-60.66~20.04.1
test: tm_resched_dscr
tags: git_version:bfd31f0-dirty
Binding to cpu 8
main test running as pid 28806
Check DSCR TM context switch: OK
success: tm_resched_dscr
We didn't see this issue in Jammy 5.15 as Power8 was not supported there, and this test was skipped on the Power9 node (looks like because of the lack of PPC_FEATURE2_HTM) |
Issue found with Focal hwe-5.15.0-66.73~20.04.1 on Power8 node "gulpin".
Test failed with:
test: tm_resched_dscr
tags: git_version:bfd31f0-dirty
Binding to cpu 8
main test running as pid 2542
Check DSCR TM context switch:
!! killing tm_resched_dscr
!! child died by signal 15
failure: tm_resched_dscr
Nothing interesting in dmesg / syslog:
$ dmesg | tail
[ 20.556968] IPv6: ADDRCONF(NETDEV_CHANGE): enP34p1s0f0: link becomes ready
[ 20.572182] tg3 0022:01:00.2 enP34p1s0f2: Link is up at 1000 Mbps, full duplex
[ 20.572187] tg3 0022:01:00.2 enP34p1s0f2: Flow control is off for TX and off for RX
[ 20.572191] tg3 0022:01:00.2 enP34p1s0f2: EEE is disabled
[ 20.572201] IPv6: ADDRCONF(NETDEV_CHANGE): enP34p1s0f2: link becomes ready
[ 24.598633] kauditd_printk_skb: 19 callbacks suppressed
[ 24.598640] audit: type=1400 audit(1676957767.768:31): apparmor="DENIED" operation="open" profile="/usr/sbin/ntpd" name="/snap/bin/" pid=2171 comm="ntpd" requested_mask="r" denied_mask="r" fsuid=0 ouid=0
[ 27.682671] loop3: detected capacity change from 0 to 8
[ 28.618195] fbcon: Taking over console
[ 28.747706] Console: switching to colour frame buffer device 128x48
This issue does not exist with 5.15.0-60.66~20.04.1
test: tm_resched_dscr
tags: git_version:bfd31f0-dirty
Binding to cpu 8
main test running as pid 28806
Check DSCR TM context switch: OK
success: tm_resched_dscr
We didn't catch this issue in Jammy 5.15 as Power8 was not supported there, and this test was skipped on the Power9 node that got tested with Jammy (looks like because of the lack of PPC_FEATURE2_HTM) |
|
| 2023-02-22 13:39:35 |
Po-Hsu Lin |
attachment added |
|
stress-with-66.log https://bugs.launchpad.net/ubuntu-kernel-tests/+bug/2007908/+attachment/5649138/+files/stress-with-66.log |
|
| 2023-02-22 16:38:59 |
Po-Hsu Lin |
attachment added |
|
stress-with-60.log https://bugs.launchpad.net/ubuntu-kernel-tests/+bug/2007908/+attachment/5649156/+files/stress-with-60.log |
|
| 2023-02-22 16:39:22 |
Po-Hsu Lin |
summary |
[Possible Regression] powerpc/tm:tm-resched-dscr in ubuntu_kernel_selftests failed on P8 |
powerpc/tm:tm-resched-dscr in ubuntu_kernel_selftests flaky on P8 node gulpin |
|
| 2023-02-23 09:17:32 |
Roxana Nicolescu |
bug |
|
|
added subscriber Roxana Nicolescu |
