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| author | Luis Claudio R. Goncalves <[email protected]> | 2024-07-30 14:45:47 -0300 |
|---|---|---|
| committer | Peter Zijlstra <[email protected]> | 2024-08-05 16:54:41 +0200 |
| commit | 7886a61ebc1f3998df5950299cbe17272bf32c59 (patch) | |
| tree | 519c896924ea3f6d1f90e326c057f1e1fdf65ec3 /scripts/checktransupdate.py | |
| parent | dce2a224763ce968445e14c43b49321936309c75 (diff) | |
lockdep: suggest the fix for "lockdep bfs error:-1" on print_bfs_bug
When lockdep fails while performing the Breadth-first-search operation
due to lack of memory, hint that increasing the value of the config
switch LOCKDEP_CIRCULAR_QUEUE_BITS should fix the warning.
Preface the scary backtrace with the suggestion:
[ 163.849242] Increase LOCKDEP_CIRCULAR_QUEUE_BITS to avoid this warning:
[ 163.849248] ------------[ cut here ]------------
[ 163.849250] lockdep bfs error:-1
[ 163.849263] WARNING: CPU: 24 PID: 2454 at kernel/locking/lockdep.c:2091 print_bfs_bug+0x27/0x40
...
Signed-off-by: Luis Claudio R. Goncalves <[email protected]>
Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
Reviewed-by: Boqun Feng <[email protected]>
Reviewed-by: Waiman Long <[email protected]>
Link: https://lkml.kernel.org/r/[email protected]
Diffstat (limited to 'scripts/checktransupdate.py')
0 files changed, 0 insertions, 0 deletions