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

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

From: Sevan Janiyan <>
Subject: Re: port-arm/51380: Mutex error: mutex_vector_enter: locking against
Date: Tue, 14 Mar 2017 02:01:50 +0000

 On 10/03/2017 05:01, Sevan Janiyan wrote:
 > I was able to boot the latest earmv7hf image on my rev a5c bbb without
 > issue.
 > dmesg:
 > Will confirm issue does not exist on 7.1RC and close PR.
 I must've been randomly been lucky. following day the machine started
 I was able to boot 7.1RC after several attempts.
 Attempting to boot an image built from head today result in the same. I
 notice that the sd card is not detected when the system crashes (ld0 is
 not present).
 => mmc rescan
 => fatload mmc 0:1 82000000 netbsd-beaglebone.ub
 reading netbsd-beaglebone.ub
 3985108 bytes read in 256 ms (14.8 MiB/s)
 => bootm 82000000
 ## Booting kernel from Legacy Image at 82000000 ...
    Image Name:   NetBSD/beagle 7.99.65
    Created:      2017-03-14   0:28:22 UTC
    Image Type:   ARM NetBSD Kernel Image (uncompressed)
    Data Size:    3985044 Bytes = 3.8 MiB
    Load Address: 80300000
    Entry Point:  80300000
    Verifying Checksum ... OK
    Loading Kernel Image ... OK
 ## Transferring control to NetBSD stage-2 loader (at address 80300000) ...
 uboot arg = 0x9df31fb0, 0, 0x9ff9bb5b, 0x9df34350
 [ Kernel symbol table missing! ]
 Loaded initial symtab at 0x8065ee2c, strtab at 0x80695c4c, # entries 13225
 Copyright (c) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017
     The NetBSD Foundation, Inc.  All rights reserved.
 Copyright (c) 1982, 1986, 1989, 1991, 1993
     The Regents of the University of California.  All rights reserved.
 NetBSD 7.99.65 (BEAGLEBONE) #0: Tue Mar 14 00:28:17 GMT 2017
 total memory = 512 MB
 avail memory = 500 MB
 sysctl_createv: sysctl_create(machine_arch) returned 17
 timecounter: Timecounters tick every 10.000 msec
 mainbus0 (root)
 cpu0 at mainbus0 core 0: 1000 MHz Cortex-A8 r3p2 (Cortex V7A core)
 cpu0: DC enabled IC enabled WB disabled EABT branch prediction enabled
 cpu0: 32KB/64B 4-way L1 VIPT Instruction cache
 cpu0: 32KB/64B 4-way write-back-locking-C L1 PIPT Data cache
 cpu0: 256KB/64B 8-way write-through L2 PIPT Unified cache
 vfp0 at cpu0: NEON MPE (VFP 3.0+), rounding, NaN propagation, denormals
 obio0 at mainbus0 base 0x44c00000-0x44ffffff: On-Board IO
 prcm0 at obio0 addr 0x44e00000-0x44e01fff: Power, Reset and Clock Management
 sitaracm0 at obio0 addr 0x44e10000-0x44e11fff: control module, rev 1.0
 sitaracm0: AM3359 Silicon Revision 2.0:
 functionality=0x0=disabled,ICSS_FEA TX_AUTO_SEQUENCE=0x0=disabled>
 obio1 at mainbus0 base 0x48000000-0x48ffffff: On-Board IO
 omapicu0 at obio1 addr 0x48200000-0x48200fff intrbase 0
 omapgpio1 at obio1 addr 0x4804c000-0x4804cfff
 gpio1 at omapgpio1: 32 pins
 omapgpio2 at obio1 addr 0x481ac000-0x481acfff
 gpio2 at omapgpio2: 32 pins
 omapgpio3 at obio1 addr 0x481ae000-0x481aefff
 gpio3 at omapgpio3: 32 pins
 obio2 at mainbus0 base 0x4a000000-0x4affffff: On-Board IO
 gpmc0 at mainbus0 base 0x50000000: General Purpose Memory Controller,
 rev 6.0
 gpmc0: CS#0 valid, addr 0x00000000, size  16MB
 edma0 at mainbus0 base 0x49000000-0x490fffff
 tiotg0 at mainbus0 base 0x47400000-0x47404fff: TI dual-port USB
 controller: version v1.0.0.13
 motg0 at tiotg0 port 0: 0x4ea20800 version v0.0.0
 motg0: Dynamic FIFO sizing detected, assuming 16Kbytes of FIFO RAM
 usb0 at motg0: USB revision 2.0
 motg1 at tiotg0 port 1: 0x4ea20800 version v0.0.0
 motg1: Dynamic FIFO sizing detected, assuming 16Kbytes of FIFO RAM
 usb1 at motg1: USB revision 2.0
 com0 at obio0 addr 0x44e09000-0x44e09fff intr 72: OMAP UART, working fifo
 com0: console
 omapgpio0 at obio0 addr 0x44e07000-0x44e07fff
 gpio0 at omapgpio0: 32 pins
 tiiic0 at obio0 addr 0x44e0b000-0x44e0bfff intr 70: rev 0.11, scheme 1
 tiiic0: 32-bytes FIFO
 iic0 at tiiic0: I2C bus
 seeprom0 at iic0 addr 0x50: AT24Cxx or compatible EEPROM: size 32768
 tps65217pmic0 at iic0 addr 0x24: TPS65217C Power Management
 Multi-Channel IC (rev 1.2)
 tps65217pmic0: power sources [USB] max 1800 mA, AC max 2500 mA
 tps65217pmic0: [LDO1: 1800 mV] [LDO2: 3300 mV] [LDO3: 1800 mV] [LDO4:
 3300 mV] [DCDC1: 1500 mV] [DCDC2: 1325 mV] [DCDC3: 1125 mV]
 omapdmtimer1 at obio0 addr 0x44e31000-0x44e31fff intr 67: DMTIMER1ms
 omapwdt32k0 at obio0 addr 0x44e35000-0x44e35fff: rev 0.1
 sdhc0 at obio1 addr 0x48060000-0x48060fff intr 64: SDHC controller
 sdhc0: EDMA tx channel 24, rx channel 25
 sdhc0: SDHC 2.0, rev 49, platform DMA, 96000 kHz, HS 1.8V 3.0V, 1024
 byte blocks
 sdmmc0 at sdhc0 slot 0
 sdhc1 at obio1 addr 0x481d8000-0x481d8fff intr 28: SDHC controller
 sdhc1: EDMA tx channel 2, rx channel 3
 sdhc1: SDHC 2.0, rev 49, platform DMA, 96000 kHz, HS 1.8V 3.0V, 1024
 byte blocks
 sdmmc1 at sdhc1 slot 0
 omapdmtimer0 at obio1 addr 0x48040000-0x48040fff intr 68: DMTIMER2
 omapdmtimer2 at obio1 addr 0x48044000-0x48044fff intr 92: DMTIMER4
 trng0 at obio1 addr 0x48310000-0x48311fff intr 111
 cpsw0 at obio2 addr 0x4a100000-0x4a107fff intrbase 40: TI Layer 2 3-Port
 cpsw0: Ethernet address c8:a0:30:
 ukphy0 at cpsw0 phy 0: OUI 0x00800f, model 0x000f, rev. 1
 ukphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
 timecounter: Timecounter "clockinterrupt" frequency 100 Hz quality 0
 timecounter: Timecounter "dmtimer" frequency 24000000 Hz quality 100
 uhub0 at usb0: Mentor Graphics MOTG root hub, class 9/0, rev 2.00/1.00,
 addr 1
 uhub0: 1 port with 1 removable, self powered
 uhub1 at usb1: Mentor Graphics MOTG root hub, class 9/0, rev 2.00/1.00,
 addr 1
 uhub1: 1 port with 1 removable, self powered
 ld1 at sdmmc1: <0xfe:0x014e:MMC02G:0x00:0x26ca609b:0x000>
 ld1: 1832 MB, 930 cyl, 64 head, 63 sec, 512 bytes/sect x 3751936 sectors
 Mutex error: mutex_vector_enter,467: locking against myself
 lock address : 0x000000009ffd5d88
 current cpu  :                  0
 current lwp  : 0x000000009fdf1380
 owner field  : 0x0000000000010500 wait/spin:                0/1
 panic: lock error: Mutex: mutex_vector_enter,467: locking against
 myself: lock 0x9ffd5d88 cpu 0 lwp 0x9fdf1380
 Stopped in pid 0.27 (system) at netbsd:cpu_Debugger+0x4:        bx      r14

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