diff options
| author | Mikulas Patocka <mpatocka@redhat.com> | 2018-06-14 14:58:21 -0400 |
|---|---|---|
| committer | Will Deacon <will.deacon@arm.com> | 2018-07-04 18:34:23 +0100 |
| commit | 7e7df71fd57ff2894d96abb0080922bf39460a79 (patch) | |
| tree | c3468879fd6c958c3fe53f47a62f7d32cd5bfd93 /arch/arm64/kernel/machine_kexec.c | |
| parent | 90aff8d091c9c1fa46df45ddd8e73e4c6b6e2b0b (diff) | |
arm64: fix infinite stacktrace
I've got this infinite stacktrace when debugging another problem:
[ 908.795225] INFO: rcu_preempt detected stalls on CPUs/tasks:
[ 908.796176] 1-...!: (1 GPs behind) idle=952/1/4611686018427387904 softirq=1462/1462 fqs=355
[ 908.797692] 2-...!: (1 GPs behind) idle=f42/1/4611686018427387904 softirq=1550/1551 fqs=355
[ 908.799189] (detected by 0, t=2109 jiffies, g=130, c=129, q=235)
[ 908.800284] Task dump for CPU 1:
[ 908.800871] kworker/1:1 R running task 0 32 2 0x00000022
[ 908.802127] Workqueue: writecache-writeabck writecache_writeback [dm_writecache]
[ 908.820285] Call trace:
[ 908.824785] __switch_to+0x68/0x90
[ 908.837661] 0xfffffe00603afd90
[ 908.844119] 0xfffffe00603afd90
[ 908.850091] 0xfffffe00603afd90
[ 908.854285] 0xfffffe00603afd90
[ 908.863538] 0xfffffe00603afd90
[ 908.865523] 0xfffffe00603afd90
The machine just locked up and kept on printing the same line over and
over again. This patch fixes it.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Diffstat (limited to 'arch/arm64/kernel/machine_kexec.c')
0 files changed, 0 insertions, 0 deletions