Re: kern/50491: unkillable wait in usbd_transfer while using usmsc0 on raspberry pi 2

[Michael Plass <mfpnb%plass-family.net@localhost>]

The following reply was made to PR kern/50491; it has been noted by GNATS.

From: Michael Plass <mfpnb%plass-family.net@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: 
Subject: Re: kern/50491: unkillable wait in usbd_transfer while using usmsc0 on raspberry pi 2
Date: Fri, 4 Dec 2015 08:34:49 -0800

 On Dec 4, 2015, at 2:05 AM, Nick Hudson wrote:
 
 > Oops, 0xbafadf40 is the address of softnet_lock
 
 db{0}> x/x softnet_lock
 netbsd:softnet_lock:    bafadf40
 db{0}> x/x bafadf40
 bafadf40:       ba526662
 db{0}> x/x bafadf40,4
 bafadf40:       ba526662    5aa3c85d    e           baaaaaaa
 
 (hmm - not aligned, can't be good)
 db{0}> bt/a ba526662
 address 0xba48 is invalid
 trace: pid 0 lid 0
 Non-emulated page fault with intr_depth > 0
 Fatal kernel mode data abort: 'Translation Fault (S)'
 trapframe: 0x805f7658
 FSR=00000005, FAR=1fb0b912, spsr=60000013
 r0 =803d6e48, r1 =00000010, r2 =00000000, r3 =1fb0b906
 r4 =ba526662, r5 =80238604, r6 =80238468, r7 =00000001
 r8 =0000ffff, r9 =8057d378, r10=00000000, r11=805f7b54
 r12=805f75e0, ssp=805f76a8, slr=80238010, pc =8004e894
 
  Faulted in DDB; continuing...