Bug 227648 - kernel panic when compiling FreeBSD-CURRENT for BBB with MMCCAM kernconf file
Summary: kernel panic when compiling FreeBSD-CURRENT for BBB with MMCCAM kernconf file
Status: Closed FIXED
Alias: None
Product: Base System
Classification: Unclassified
Component: arm (show other bugs)
Version: CURRENT
Hardware: arm64 Any
: --- Affects Only Me
Assignee: freebsd-arm mailing list
URL: https://gist.github.com/madaari/65708...
Keywords: crash, mmccam, panic
Depends on:
Reported: 2018-04-19 22:27 UTC by udit agarwal
Modified: 2018-06-25 14:25 UTC (History)
2 users (show)

See Also:


Note You need to log in before you can comment on or make changes to this bug.
Description udit agarwal 2018-04-19 22:27:14 UTC
## Starting application at 0x82000000 ...                                       
Consoles: U-Boot console                                                        
Compatible U-Boot API signature found @0x9df30c58                               
FreeBSD/armv6 U-Boot loader, Revision 1.2                                       
(Sun Apr 15 12:02:37 UTC 2018 root@rtemsbuild1)                                 
DRAM: 512MB                                                                     
Number of U-Boot devices: 3                                                     
U-Boot env: loaderdev not set, will probe all devices.                          
Found U-Boot device: disk                                                       
  Probing all disk devices...                                                   
  Checking unit=0 slice=<auto> partition=<auto>... good.                        
Booting from disk0s2a:                                                          
EFI boot environment                                                            
Loading /boot/defaults/loader.conf                                              
/boot/kernel/kernel data=0x6ef34c+0x1a0cb4 syms=[0x4+0x74df0+0x4+0xaa017]       
Hit [Enter] to boot immediately, or any other key for command prompt.           
Booting [/boot/kernel/kernel]...                                                
/boot/dtb/am335x-boneblack.dtb size=0xc8b3                                      
Loaded DTB from file 'am335x-boneblack.dtb'.                                    
Kernel entry at 0x82200100...                                                   
Kernel args: (null)                                                             
ARM Debug Architecture not supported                                            
KDB: debugger backends: ddb                                                     
KDB: current backend: ddb                                                       
Copyright (c) 1992-2018 The FreeBSD Project.                                    
Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994        
        The Regents of the University of California. All rights reserved.       
FreeBSD is a registered trademark of The FreeBSD Foundation.                    
FreeBSD 12.0-CURRENT #0 5c64b878fab(master): Sun Apr 15 12:31:31 UTC 2018       
    root@rtemsbuild1:/BBB/obj/BBB/src/arm.armv6/sys/BEAGLEBONE-MMCCAM arm       
FreeBSD clang version 6.0.0 (tags/RELEASE_600/final 326565) (based on LLVM 6.0.)
WARNING: WITNESS option enabled, expect reduced performance.                    
VT: init without driver.                                                        
CPU: ARM Cortex-A8 r3p2 (ECO: 0x00000000)                                       
CPU Features:                                                                   
  Thumb2, Security, VMSAv7                                                      
Optional instructions:                                                          
  UMULL, SMULL, SIMD(ext)                                                       
LoUU:2 LoC:3 LoUIS:1                                                            
Cache level 1:                                                                  
 32KB/64B 4-way data cache WT WB Read-Alloc                                     
 32KB/64B 4-way instruction cache Read-Alloc                                    
Cache level 2:                                                                  
 256KB/64B 8-way unified cache WT WB Read-Alloc Write-Alloc                     
real memory  = 536870912 (512 MB)                                               
avail memory = 510996480 (487 MB)                                               
Texas Instruments AM335x Processor, Revision ES2.1                              
arc4random: no preloaded entropy cache                                          
random: entropy device external interface                                       
kbd0 at kbdmux0                                                                 
ofwbus0: <Open Firmware Device Tree>                                            
simplebus0: <Flattened device tree simple bus> on ofwbus0                       
simplebus1: <Flattened device tree simple bus> on simplebus0                    
simplebus2: <Flattened device tree simple bus> mem 0x210000-0x211fff on simpleb1
ti_scm0: <TI Control Module> mem 0-0x7ff on simplebus2                          
ti_aintc0: <TI AINTC Interrupt Controller> mem 0x48200000-0x48200fff on simpleb0
ti_aintc0: Revision 5.0                                                         
am335x_prcm0: <AM335x Power and Clock Management> mem 0x200000-0x203fff on simp1
am335x_prcm0: Clocks: System 24.0 MHz, CPU 1000 MHz                             
cpulist0: <Open Firmware CPU Group> on ofwbus0                                  
cpu0: <Open Firmware CPU> on cpulist0                                           
pmu0: <Performance Monitoring Unit> mem 0x4b000000-0x4bffffff irq 0 on ofwbus0  
ti_pinmux0: <TI Pinmux Module> mem 0x800-0xa37 on simplebus2                    
am335x_scm0: <AM335x Control Module Extension> on ti_scm0                       
gpio0: <TI AM335x General Purpose I/O (GPIO)> mem 0x44e07000-0x44e07fff irq 7 o0
gpiobus0: <OFW GPIO bus> on gpio0                                               
gpioc0: <GPIO controller> on gpio0                                              
gpio1: <TI AM335x General Purpose I/O (GPIO)> mem 0x4804c000-0x4804cfff irq 8 o0
gpiobus1: <OFW GPIO bus> on gpio1                                               
gpioc1: <GPIO controller> on gpio1                                              
gpio2: <TI AM335x General Purpose I/O (GPIO)> mem 0x481ac000-0x481acfff irq 9 o0
gpiobus2: <OFW GPIO bus> on gpio2                                               
gpioc2: <GPIO controller> on gpio2                                              
gpio3: <TI AM335x General Purpose I/O (GPIO)> mem 0x481ae000-0x481aefff irq 10 0
gpiobus3: <OFW GPIO bus> on gpio3                                               
gpioc3: <GPIO controller> on gpio3                                              
��uart0: <TI UART (16550 compatible)> mem 0x44e09000-0x44e0afff irq 11 on simpl0
uart0: console (115384,n,8,1)                                                   
iichb0: <TI I2C Controller> mem 0x44e0b000-0x44e0bfff irq 17 on simplebus0      
iichb0: I2C revision 4.0 FIFO size: 32 bytes                                    
iichb1: <TI I2C Controller> mem 0x4819c000-0x4819cfff irq 19 on simplebus0      
iichb1: I2C revision 4.0 FIFO size: 32 bytes                                    
sdhci_ti0: <TI MMCHS (SDHCI 2.0)> mem 0x48060000-0x48060fff irq 20 on simplebus0
sdhci_ti0: Custom-disabling 8-bit bus                                           
sdhci_ti1: <TI MMCHS (SDHCI 2.0)> mem 0x481d8000-0x481d8fff irq 21 on simplebus0
sdhci_ti1: Custom-disabling 8-bit bus                                           
ti_wdt0: <TI Watchdog Timer> mem 0x44e35000-0x44e35fff irq 23 on simplebus0     
ti_mbox0: <TI System Mailbox> mem 0x480c8000-0x480c81ff irq 26 on simplebus0    
ti_mbox0: revision 4.0                                                          
am335x_dmtimer0: <AM335x DMTimer2> mem 0x48040000-0x480403ff irq 28 on simplebu0
Event timer "DMTimer2" frequency 24000000 Hz quality 500                        
am335x_dmtimer1: <AM335x DMTimer3> mem 0x48042000-0x480423ff irq 29 on simplebu0
Timecounter "DMTimer3" frequency 24000000 Hz quality 500                        
am335x_rtc0: <AM335x RTC (power management mode)> mem 0x44e3e000-0x44e3efff irq0
am335x_rtc0: AM335X RTC v1.0.6                                                  
usbss0: <TI AM33xx integrated USB OTG controller> mem 0x47400000-0x47400fff on 0
usbss0: TI AM335X USBSS v0.0.13                                                 
musbotg0: <TI AM33xx integrated USB OTG controller> mem 0x47401400-0x474017ff,00
usbus0: Dynamic FIFO sizing detected, assuming 16Kbytes of FIFO RAM             
usbus0 on musbotg0                                                              
musbotg1: <TI AM33xx integrated USB OTG controller> mem 0x47401c00-0x47401fff,00
usbus1: Dynamic FIFO sizing detected, assuming 16Kbytes of FIFO RAM             
usbus1 on musbotg1                                                              
cpswss0: <3-port Switch Ethernet Subsystem> mem 0x4a100000-0x4a1007ff,0x4a101200
cpswss0: CPSW SS Version 1.12 (0)                                               
cpswss0: Initial queue size TX=128 RX=384                                       
cpsw0: <Ethernet Switch Port> on cpswss0                                        
miibus0: <MII bus> on cpsw0                                                     
smscphy0: <SMC LAN8710A 10/100 interface> PHY 0 on miibus0                      
smscphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto                 
cpsw0: Ethernet address: 68:9e:19:6f:38:cd                                      
fb0: <AM335x LCD controller> mem 0x4830e000-0x4830efff irq 43 on simplebus0     
ti_adc0: <TI ADC controller> mem 0x44e0d000-0x44e0dfff irq 44 disabled on simpl0
ti_adc0: scheme: 0x1 func: 0x730 rtl: 0 rev: 0.1 custom rev: 0                  
gpioled0: <GPIO LEDs> on ofwbus0                                                
cryptosoft0: <software crypto>                                                  
Timecounters tick every 1.000 msec                                              
iicbus0: <OFW I2C bus> on iichb0                                                
iic0: <I2C generic I/O> on iicbus0                                              
am335x_pmic0: <TI TPS65217 Power Management IC> at addr 0x48 irq 58 on iicbus0  
iicbus0: <unknown card> at addr 0xa0                                            
tda0 at addr 0xe0 on iicbus0                                                    
iicbus1: <OFW I2C bus> on iichb1                                                
iic1: <I2C generic I/O> on iicbus1                                              
iicbus1: <unknown card> at addr 0xa8                                            
iicbus1: <unknown card> at addr 0xaa                                            
iicbus1: <unknown card> at addr 0xac                                            
iicbus1: <unknown card> at addr 0xae                                            
(noperiph:sdhci_slot0:0:-1:ffffffff): xpt_async(AC_PATH_REGISTERED)             
mmc_dev_async(async_code=0x20, path_id=0, target_id=0, lun_id=0                 
Got AC_PATH_REGISTERED -- whatever...                                           
mmc_dev_async(async_code=0x20, path_id=0, target_id=ffffffff, lun_id=ffffffff   
(noperiph:sdhci_slot1:0:-1:ffffffff): xpt_async(AC_PATH_REGISTERED)             
mmc_dev_async(async_code=0x20, path_id=1, target_id=0, lun_id=0                 
Got AC_PATH_REGISTERED -- whatever...                                           
mmc_dev_async(async_code=0x20, path_id=1, target_id=ffffffff, lun_id=ffffffff   
usbus0: 480Mbps High Speed USB v2.0                                             
usbus1: 480Mbps High Speed USB v2.0                                             
(noperiph:sdhci_slot0:0:-1:ffffffff): XPT_SCAN_{BUS,TGT,LUN}                    
Kernel page fault with the following non-sleepable locks held:                  
exclusive sleep mutex CAM device lock (CAM device lock) r = 0 (0xc30e1464) lock2
stack backtrace:                                                                
Fatal kernel mode data abort: 'Translation Fault (L1)' on read                  
trapframe: 0xd0dc0ac0                                                           
FSR=00000005, FAR=00000010, spsr=60000013                                       
r0 =00000061, r1 =00000188, r2 =d0dc0a8c, r3 =60000013                          
r4 =c30e0000, r5 =c30dec40, r6 =00000000, r7 =d0dc0b68                          
r8 =c086f528, r9 =c068f050, r10=00000000, r11=d0dc0d10                          
r12=00000062, ssp=d0dc0b50, slr=c002b77c, pc =c002b5c0                          
[ thread pid 4 tid 100048 ]                                                     
Stopped at      mmc_action+0x94:        ldr     r6, [r6, #0x010]                
Comment 1 udit agarwal 2018-04-20 22:56:35 UTC
Even with GENERIC-MMCCAM kernel config, I had the same error.