On Tue, Jun 04, 2019 at 11:25:44AM +0800, Fangjian (Turing) wrote: > Hi, We met a deadlock triggered by a NONFATAL AER event during a sysfs > "sriov_numvfs" operation. Any suggestion to fix such deadlock ? Here's a bugzilla report for this; please reference it and this email thread in any patches to fix it: https://bugzilla.kernel.org/show_bug.cgi?id=203981