Bug ID 1201867
Summary Kernel regression: Crashkernel doesn't start
Classification openSUSE
Product openSUSE Distribution
Version Leap 15.3
Hardware aarch64
URL https://openqa.opensuse.org/tests/2481397/modules/kdump_and_crash/steps/48
OS Other
Status NEW
Severity Normal
Priority P5 - None
Component Kernel
Assignee kernel-bugs@opensuse.org
Reporter fvogt@suse.com
QA Contact qa-bugs@suse.de
Found By openQA
Blocker Yes

AArch64 only. Kernel logs say:

[   66.889582] sysrq: Trigger a crash
[   66.889826] Kernel panic - not syncing: sysrq triggered crash
[   66.890195] CPU: 0 PID: 4256 Comm: bash Kdump: loaded Tainted: G            
     N 5.3.18-150300.59.81-default #1 SLE15-SP3
[   66.890902] Hardware name: QEMU KVM Virtual Machine, BIOS 0.0.0 02/06/2015
[   66.891338] Call trace:
[   66.891502]  dump_backtrace+0x0/0x1c0
[   66.891737]  show_stack+0x24/0x30
[   66.891954]  dump_stack+0xb0/0xdc
[   66.892184]  panic+0x148/0x364
[   66.892396]  sysrq_handle_crash+0x1c/0x20
[   66.892668]  __handle_sysrq+0xb0/0x1b0
[   66.892943]  write_sysrq_trigger+0x70/0x88
[   66.893223]  proc_reg_write+0x78/0xd0
[   66.893474]  __vfs_write+0x48/0x80
[   66.893708]  vfs_write+0xac/0x1c8
[   66.893936]  ksys_write+0x74/0xf8
[   66.894163]  __arm64_sys_write+0x24/0x30
[   66.894432]  el0_svc_common.constprop.0+0x84/0x218
[   66.895025]  el0_svc_handler+0x34/0x90
[   66.895483]  el0_svc+0x10/0x540
[   66.926829] Starting crashdump kernel...
[   66.927353] Bye!

Kernel 5.3.18-150300.59.76 works
(https://openqa.opensuse.org/tests/2471490#step/kdump_and_crash/50),
5.3.18-150300.59.81 does not
(https://openqa.opensuse.org/tests/2472635#step/kdump_and_crash/45)

## Observation

openQA test in scenario
opensuse-15.3-JeOS-for-AArch64-aarch64-jeos-extra@USBboot_aarch64 fails in
[kdump_and_crash](https://openqa.opensuse.org/tests/2481397/modules/kdump_and_crash/steps/48)

## Test suite description
Same as jeos, plus some more tests.


## Reproducible

Fails since (at least) Build [9.556](https://openqa.opensuse.org/tests/2472150)


## Expected result

Last good: [9.555](https://openqa.opensuse.org/tests/2471490) (or more recent)


## Further details

Always latest result in this scenario:
[latest](https://openqa.opensuse.org/tests/latest?arch=aarch64&distri=opensuse&flavor=JeOS-for-AArch64&machine=USBboot_aarch64&test=jeos-extra&version=15.3)


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