[LU-194] error writing to file /proc/sys/lnet/debug_mb

• Type: Bug
• Resolution: Duplicate
• Priority: Minor
• Fix Version/s: Lustre 2.1.0
• Affects Version/s: Lustre 2.1.0
• Severity: 3
• Bugzilla ID: 19,944
• Assignee: Hongchao Zhang
• Reporter: Hongchao Zhang

Description

the default 10MB debug memory size is less than the count of CPUs on some cases, which cause error in trace_set_debug_mb()
then we need to increase the debug memory in these cases and print some sort of error message when this case is hit.