possible trace_printk() bug in v5.19-rc1

From: Chuck Lever III
Date: Thu Jun 16 2022 - 11:22:38 EST


Hi Steve-

Since v5.19-rc1, trace_printk() no longer displays a function
name, but rather a kernel address. I don't have time at the
moment to track this down to a specific commit, just parking
it here in case someone can get to it sooner than me.

<idle>-0 [003] 269.397568: bprint: 0xffffffffc0cccab7: nf=0xffff888172dbfba0 still on the LRU or a dispose list
<idle>-0 [003] 269.397576: bprint: 0xffffffffc0cccafa: nf=0xffff888172dbfba0
<idle>-0 [003] 269.397583: bprint: 0xffffffffc0cccab7: nf=0xffff8881726cd4d8 still on the LRU or a dispose list
<idle>-0 [003] 269.397584: bprint: 0xffffffffc0cccafa: nf=0xffff8881726cd4d8



--
Chuck Lever