From owner-freebsd-arm@FreeBSD.ORG  Tue Dec 17 00:44:45 2013
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Date: Tue, 17 Dec 2013 01:37:46 +0100
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To: arm@FreeBSD.org
Subject: flaky panic at boot on Raspberry Pi
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Hi,

I got this panic ~ 3/5 of the time when rebooting my Raspberry Pi B into
10.0-RC2 (kernel is RPI-B + device ums):

...
/dev/mmcsd0s2a: clean, ...

vm_fault(0xc05dab00, 0, 1, 0) -> 1
Fatal kernel mode data abort: 'Translation Fault (P)'
trapframe: 0xdb4e6d30
FSR=00000017, FAR=00000024, spsr=00000013
r0 =00000000, r1 =c2516500, r2 =00000001, r3 =00000001
r4 =00000200, r5 =c2541800, r6 =c0470068, r7 =c2541a00
r8 =c2549bc0, r9 =00000000, r10=c2549bec, r11=db4e6db0
r12=00000000, ssp=db4e6d80, slr=c0491224, pc =c0491230

[ thread pid 11 tid 100019 ]
Stopped at      bcm_sdhci_dma_intr+0x44:        ldr     r0, [r0, #0x024]
db>

gpu_mem is set to 16 MB

sdhci_bcm0: <Broadcom 2708 SDHCI controller> mem 0x20300000-0x203000ff
irq 70 on simplebus0
mmcsd0: 8GB <SDHC SD08G 3.8 SN 3225166134 MFG 07/2008 by 2 TM> at mmc0
25.0MHz/1bit/65535-block

Please let me know if you need more information (USB keyboard *might*
work, depending on the moon IIRC ...)

René