Re: kern/49396

[Martin Husemann <martin%duskware.de@localhost>]

The following reply was made to PR kern/49396; it has been noted by GNATS.

From: Martin Husemann <martin%duskware.de@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: 
Subject: Re: kern/49396
Date: Sun, 16 Nov 2014 19:40:44 +0100

 I added printfs to print the mutex and the owner field and it fails right
 at the first mutex_enter():
 
 mutex_enter(p->p_lock = 0xbf31db40, owner = 0x0   
                                                
 uvm_fault(0x805462f8, ffffe000, 1) -> e
 Fatal kernel mode data abort: 'Translation Fault (S)'
 trapframe: 0xbfccd918                                
 FSR=00000005, FAR=fffffffc, spsr=a0080213
 r0 =00000001, r1 =e4082000, r2 =00000001, r3 =bfd5ab60
 r4 =fffffff0, r5 =bf31db40, r6 =bfd5ab60, r7 =bf305e00
 r8 =bfd5ab60, r9 =805410f8, r10=fffffff0, r11=bfccd984
 r12=bfccd988, ssp=bfccd968, slr=80146360, pc =80146378
 Stopped in pid 393.1 (tar) at   netbsd:mutex_oncpu+0x30:        ldr     r0, [r4,
  #0x00c]                                                                       
 0xbfccd984: netbsd:mutex_oncpu+0xc
 0xbfccd9e4: netbsd:mutex_enter+0xb0
 0xbfccda3c: puffs:puffs_msg_wait+0x7c
 0xbfccda5c: puffs:puffs_msg_wait2+0x1c
 0xbfccda94: puffs:puffs_vnop_strategy+0x2ac
 0xbfccdabc: netbsd:VOP_STRATEGY+0x68       
 0xbfccdb7c: netbsd:genfs_do_io+0x2a0
 0xbfccdbbc: netbsd:genfs_gop_write+0x6c
 0xbfccdd34: netbsd:genfs_do_putpages+0x92c
 0xbfccdd5c: netbsd:genfs_putpages+0x38    
 0xbfccdd9c: netbsd:VOP_PUTPAGES+0x78  
 0xbfccde14: puffs:puffs_vnop_write+0x35c
 0xbfccde24: puffs:puffs_vnop_checkop+0x120
 0xbfccde54: netbsd:VOP_WRITE+0x70         
 0xbfccde84: netbsd:vn_write+0xd8 
 0xbfccdedc: netbsd:dofilewrite+0x94
 0xbfccdf0c: netbsd:sys_write+0x70  
 0xbfccdf7c: netbsd:syscall+0x88