Hi,
yes, that's a known issue, with a temporary hack/fix attached
to this mail.
Patrick
diff --git sys/arch/arm/include/pmap.h sys/arch/arm/include/pmap.h
index c409ad3..544cd8d 100644
--- sys/arch/arm/include/pmap.h
+++ sys/arch/arm/include/pmap.h
@@ -328,6 +328,8 @@ do {
\
}; \
cpu_drain_writebuf(); \
} \
+ asm("mcr p15, 0, r0, c8, c7, 0 /* Invalidate entire unified TLB */");
\
+ cpu_drain_writebuf(); \
} while (/*CONSTCOND*/0)
#define PTE_SYNC_RANGE(pte, cnt)
\
@@ -344,6 +346,8 @@ do {
\
}; \
cpu_drain_writebuf(); \
} \
+ asm("mcr p15, 0, r0, c8, c7, 0 /* Invalidate entire unified TLB */");
\
+ cpu_drain_writebuf(); \
} while (/*CONSTCOND*/0)
#define l1pte_valid(pde) (((pde) & L1_TYPE_MASK) != L1_TYPE_INV)
On Wed, Feb 24, 2016 at 01:34:50AM +0100, Olivier Cherrier wrote:
>
> Hi,
>
> Trying to install a cubieboard2, I get :
>
> OpenBSD/sunxi booting ...
> arg0 0x0 arg1 0x10bb arg2 0x40000100
> atag core flags 0 pagesize 0 rootdev 0
> atag mem start 0x40000000 size 0x40000000
> bootfile:
> bootargs:
> memory size derived from u-boot
> bootconf.mem[0].address = 40000000 pages 262144/0x40000000
> Allocating page tables
> freestart = 0x40aaa000, free_pages = 259414 (0x0003f556)
> IRQ stack: p0x40ad8000 v0xc0ad8000
> ABT stack: p0x40ad9000 v0xc0ad9000
> UND stack: p0x40ada000 v0xc0ada000
> SVC stack: p0x40adb000 v0xc0adb000
> Creating L1 page table at 0x40aac000
> Mapping kernel
> Constructing L2 page tables
> undefined page pmap board type: 4283
> Copyright (c) 1982, 1986, 1989, 1991, 1993
> The Regents of the University of California. All rights
> reserved.
> Copyright (c) 1995-2016 OpenBSD. All rights reserved.
> http://www.OpenBSD.org
>
> OpenBSD 5.9 (RAMDISK) #41: Thu Feb 18 11:26:25 AEDT 2016
> [email protected]:/usr/src/sys/arch/armv7/compile/RAMDISK
> real mem = 1073741824 (1024MB)
> avail mem = 1041670144 (993MB)
> mainbus0 at root
> cortex0 at mainbus0
> ampintc0 at cortex0 nirq 160
> agtimer0 at cortex0: tick rate 24000 KHz
> cpu0 at mainbus0: ARM Cortex A7 rev 4 (ARMv7 core)
> cpu0: DC enabled IC enabled WB disabled EABT branch
> prediction enabled
> cpu0: 32KB(32b/l,2way) I-cache, 32KB(64b/l,4way) wr-back
> D-cache
> sunxi0 at mainbus0: Allwinner A20
> sxipio0 at sunxi0
> sxiccmu0 at sunxi0
> sxidog0 at sunxi0
> sxirtc0 at sunxi0
> sxiuart0 at sunxi0: console
> sxiuart1 at sunxi0
> sxiuart2 at sunxi0
> sxiuart3 at sunxi0
> sxiuart4 at sunxi0
> sxiuart5 at sunxi0
> sxiuart6 at sunxi0
> sxiuart7 at sunxi0
> sxie0 at sunxi0, address 02:0f:0b:03:c2:20
> rlphy0 at sxie0 phy 1: RTL8201L 10/100 PHY, rev. 1
> ahci0 at sunxi0 AHCI 1.1
> scsibus0 at ahci0: 32 targets
> ehci0 at sunxi0
> usb0 at ehci0: USB revision 2.0
> uhub0 at usb0 "Allwinner EHCI root hub" rev 2.00/1.00 addr 1
> ehci1 at sunxi0
> usb1 at ehci1: USB revision 2.0
> uhub1 at usb1 "Allwinner EHCI root hub" rev 2.00/1.00 addr 1
> gpio0 at sxipio0: 18 pins
> gpio1 at sxipio0: 24 pins
> gpio2 at sxipio0: 25 pins
> gpio3 at sxipio0: 28 pins
> gpio4 at sxipio0: 12 pins
> gpio5 at sxipio0: 6 pins
> gpio6 at sxipio0: 12 pins
> gpio7 at sxipio0: 28 pins
> gpio8 at sxipio0: 22 pins
> boot device: lookup '' failed.
> root on rd0a swap on rd0b dump on rd0b
> WARNING: clock lost 16848 days
> WARNING: CHECK AND RESET THE DATE!
> pmap_fault_fixup: va 00008000 ftype 5 u pte 7ff3802e
> pmap_fault_fixup: va 00008000 ftype 5 u pte 7ff3802e
> pmap_fault_fixup: va 00008000 ftype 5 u pte 7ff3802e
> pmap_fault_fixup: va 00008000 ftype 5 u pte 7ff3802e
> pmap_fault_fixup: va 00008000 ftype 5 u pte 7ff3802e
> pmap_fault_fixup: va 00008000 ftype 5 u pte 7ff3802e
> pmap_fault_fixup: va 00008000 ftype 5 u pte 7ff3802e
> pmap_fault_fixup: va 00008000 ftype 5 u pte 7ff3802e
> pmap_fault_fixup: va 00008000 ftype 5 u pte 7ff3802e
> pmap_fault_fixup: va 00008000 ftype 5 u pte 7ff3802e
> pmap_fault_fixup: va 00008000 ftype 5 u pte 7ff3802e
> pmap_fault_fixup: va 00008000 ftype 5 u pte 7ff3802e
> [ snip similar lines pmap_fault_fixup ...]
> uvm_fault(0xca4a9130, 8000, 2, 0) -> d
> Fatal kernel mode data abort: 'Translation Fault (P)'
> trapframe: 0xcc3cede0
> DFSR=00002807, DFAR=00008000, spsr=80000113
> r0 =00008000, r1 =00000fff, r2 =00000000, r3 =0000003f
> r4 =cc3cf000, r5 =ca47e004, r6 =00000005, r7 =00000000
> r8 =c0a6a9e8, r9 =c0a6b1a0, r10=c0a6a9e8, r11=cc3cee74
> r12=00000040, ssp=cc3cee2c, slr=c041048c, pc =c0408d28
>
> panic: Fatal abort
>
>
> Is it a known issue ?
>
>
> Thanks !
> Best
> oc
>
>
> --
> Olivier Cherrier
> mailto:[email protected]
>
