On 11/15/19 1:11 PM, Andrew Carr wrote: > Hello, > > This list has recommended enabling stack traces to determine the root > cause of issues with XFS deadlocks occurring in Centos 7.7 > (3.10.0-1062). > > Based on what was recommended by Eric Sandeen, we have tried updating > the following files to generate XFS stack traces: > > # echo 11 > /proc/sys/fs/xfs/error_level > > And > > # echo 3 > /proc/sys/fs/xfs/error_level > > But no stack traces are printed to dmesg. I was thinking of > re-compiling the kernel with debug flags enabled. Do you think this > is necessary? > > Thanks so much for your time and keep up the good work! I've looked over the way xfs_err() gets defined, and I cannot see how we can call xfs_err with error_level == 11 and not get a stack trace. Maybe other eyes can spot something... -Eric