panic: arm_unmask_irq [was: Re: TI platforms code update: switching to vendor FDT data]

[Marcel Moolenaar]

> On May 21, 2015, at 8:37 PM, Oleksandr Tymoshenko <gonzo at FreeBSD.org> wrote:
> 
> Hello,
> 
> I've just committed (r283276) major code update for TI platforms
> support. It gets rid of custom-baked .dts files for
> Beaglebone/Pandaboard and switches to using FDT data provided by
> TI and/or boards/capes manufacturers.

*snip*

It seems the interrupt controller isn’t been probed and attached
in time on my BBB:

Booting [/boot/kernel/kernel]...
Using DTB provided by U-Boot at address 0x80000100.
Kernel entry at 0x80200100...
Kernel args: (null)
KDB: debugger backends: ddb
KDB: current backend: ddb
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FreeBSD 11.0-CURRENT #1 r283321M: Sun May 24 16:58:54 PDT 2015
    marcel at fbsdvm64:/usr/obj/arm.armv6/host/head/sys/BEAGLEBONE arm
FreeBSD clang version 3.6.0 (tags/RELEASE_360/final 230434) 20150225
WARNING: WITNESS option enabled, expect reduced performance.
can't re-use a leaf (geom_label)!
module_register: module g_label already exists!
Module g_label failed to register: 17
CPU: Cortex A8-r3 rev 2 (Cortex-A core)
 Supported features: ARM_ISA THUMB2 JAZELLE THUMBEE ARMv4 Security_Ext
 WB disabled EABT branch prediction enabled
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 = 513081344 (489 MB)
Texas Instruments AM335x Processor, Revision ES1.2
random: entropy device infrastructure driver
random: selecting highest priority adaptor <Dummy>
random: SOFT: yarrow init()
random: selecting highest priority adaptor <Yarrow>
ofwbus0: <Open Firmware Device Tree>
simplebus0: <Flattened device tree simple bus> on ofwbus0
am335x_rtc0: <AM335x RTC (power management mode)> mem 0x44e3e000-0x44e3efff irq 75,76 on simplebus0
am335x_rtc0: AM335X RTC v1.0.6
ti_wdt0: <TI Watchdog Timer> mem 0x44e35000-0x44e35fff irq 91 on simplebus0
Fatal kernel mode data abort: 'Translation Fault (L1)' on read
trapframe: 0xc090ac68
FSR=00000005, FAR=00000010, spsr=a0000193
r0 =0000001b, r1 =00000001, r2 =c2952e48, r3 =08000000
r4 =00000040, r5 =00000000, r6 =0000005b, r7 =00000310
r8 =c2ae11c0, r9 =c0605974, r10=00000000, r11=c090ad00
r12=c0788b34, ssp=c090acf8, slr=c05f72a8, pc =c05f72b8

[ thread pid 0 tid 100000 ]
Stopped at      arm_unmask_irq+0x30:    ldr     r0, [r5, #0x010]
db>


I’ll poke at it some more, so for now it’s an FYI.

--
Marcel Moolenaar
marcel at xcllnt.net



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