Re: port-arm/51380: Mutex error: mutex_vector_enter: locking against myself

[coypu%SDF.ORG@localhost]

The following reply was made to PR port-arm/51380; it has been noted by GNATS.

From: coypu%SDF.ORG@localhost
To: gnats-bugs%netbsd.org@localhost
Cc: 
Subject: Re: port-arm/51380: Mutex error: mutex_vector_enter: locking against
 myself
Date: Wed, 31 Aug 2016 06:56:40 +0000

 Hi, I've got a similar issue on an rpi.
 
 ...
 ukbd0 at uhidev0: 8 modifier keys, 6 key codes
 panic: lock error: Mutex: mutex_vector_enter: locking against myself:
 lock 0x8bdae02c cpu 0 lwp 0x8b926600
 cpu0: Begin traceback...
 0x8a1f57d4: netbsd:db_panic+0xc
 0x8a1f57ec: netbsd:vpanic+0x144
 0x8a1f5804: netbsd:snprintf
 0x8a1f583c: netbsd:lockdebug_abort+0x60
 0x8a1f5884: netbsd:mutex_enter+0x1b8
 0x8a1f58dc: netbsd:pmap_fault_fixup+0x4c
 0x8a1f5964: netbsd:data_abort_handler+0x144
 0x8a1f59fc: netbsd:address_exception_entry+0x58
 0x8a1f5a34: netbsd:dwc2_hcd_select_transactions+0xb0
 0x8a1f5a84: netbsd:dwc2_handle_hcd_intr+0x464
 0x8a1f5a9c: netbsd:dwc2_interrupt+0x28
 0x8a1f5abc: netbsd:dwc2_intr+0xd0
 0x8a1f5adc: netbsd:pic_dispatch+0x28
 0x8a1f5b5c: netbsd:pic_do_pending_ints+0x29c
 0x8a1f5be4: netbsd:irq_entry+0x60
 0x8a1f5c54: netbsd:pmap_remove+0x194
 0x8a1f5c9c: netbsd:uvm_unmap_remove+0x208
 0x8a1f5ccc: netbsd:uvm_unmap1+0x3c
 0x8a1f5cfc: netbsd:uvmspace_exec+0xdc
 0x8a1f5d94: netbsd:execve_runproc+0x23c
 0x8a1f5f1c: netbsd:execve1+0x44
 0x8a1f5f34: netbsd:sys_execve+0x20
 
 Is the issue that src/sys/arch/arm/broadcom/bcm2835_dmac.c:130 uses
 IPL_SCHED too?
 
 Thanks.