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Op 24 apr 2008, om 02:21 heeft Tony Lindgren het volgende geschreven:
Hi,
* Koen Kooi <k.kooi@xxxxxxxxxxxxxxxxxx> [080423 00:42]:
From dac3cdc5952ab39fa7ae0545d43e2daa95329b07 Mon Sep 17 00:00:00
2001
From: Koen Kooi <koen@xxxxxxxxxxxxxxxx>
Date: Wed, 23 Apr 2008 09:38:31 +0200
Subject: [PATCH] omap3beagle: register SD interface
Thanks for updating it. I've pushed it now, but I had to apply some
parts manually because of recent changes. Can you please check it
got applied OK?
I compiled an booted latest git and see this:
6>TWL4030: TRY attach Slave TWL4030-ID1 on Adapter OMAP I2C adapter [1]
<1>Unable to handle kernel NULL pointer dereference at virtual address
00000000
<1>pgd = c0004000
<1>[00000000] *pgd=00000000
Internal error: Oops: 5 [#1]
Modules linked in:
CPU: 0 Not tainted (2.6.25-omap1 #11)
PC is at __rcu_process_callbacks+0x1ac/0x244
LR is at free_task+0x38/0x40
pc : [<c0073924>] lr : [<c0048b04>] psr: 80000113
sp : c7c1dda8 ip : c7c085c0 fp : c7c1ddc4
r10: 00000000 r9 : c0405678 r8 : 00000001
r7 : c0400d80 r6 : 00000005 r5 : 00000000 r4 : c040563c
r3 : 00000000 r2 : 00000027 r1 : c7c78340 r0 : c7c085c0
Flags: Nzcv IRQs on FIQs on Mode SVC_32 ISA ARM Segment kernel
Control: 00c5387f Table: 80004018 DAC: 00000017
Process swapper (pid: 1, stack limit = 0xc7c1c2e0)
Stack: (0xc7c1dda8 to 0xc7c1e000)
dda0: c02fae30 c0400e04 00000001 00000008 c7c1ddd4
c7c1ddc8
ddc0: c00739d4 c0073784 c7c1de04 c7c1ddd8 c004f6f4 c00739c8 c7c1de04
c03dd4e0
dde0: 00000025 00000000 c03fc8f5 c7c1df14 c03ece00 00000049 c7c1de1c
c7c1de08
de00: c004f79c c004f6a0 c03dd4e0 c03dd4e0 c7c1de3c c7c1de20 c002c050
c004f760
de20: 00000010 ffffffff d8200000 00000000 c7c1defc c7c1de40 c002c630
c002c00c
de40: c03daec8 000007f0 00000000 40000013 c03fc8ac c03ed158 00000000
c03fc8f5
de60: c7c1df14 c03ece00 00000049 c7c1defc c7c1de58 c7c1de88 c004ab10
c004b228
de80: 60000013 ffffffff c7c1dea4 c7c1dea4 c7c1dee4 40000013 c02faabc
c0067800
dea0: c0194a14 22222222 22222222 22222222 22222222 c7ca0470 c7c1dee4
c7c1dec8
dec0: c02fadd0 c0067534 00000000 c7ca0470 c03ece58 c03ecff8 c03ed158
00000000
dee0: 00000001 c7ca0438 c03ece00 c7ca05ac c7c1df0c c7c1df00 c03b2c00
c004af70
df00: c7c1df54 c7c1df20 c01ad5e0 c03b2bf4 c03989af c03ed158 c7ca05ac
00000001
df20: c03ece00 00000000 00000000 c7ca0438 c03ece00 c03ec870 00000000
c7c1c000
df40: 00000000 c0027404 c7c1df74 c7c1df58 c01aa41c c01ad524 00000000
c00260bc
df60: 00000000 00000000 c7c1df84 c7c1df78 c001c870 c01aa37c c7c1dff4
c7c1df88
df80: c0008620 c001c864 c7c1dfac c7c1df98 c004801c c0047ea4 307ffe12
00000000
dfa0: 00000000 c7c1dfb0 c002cb04 c0048004 00000000 00000000 c0008550
c004d8f8
dfc0: 00000000 00000001 00000000 00000000 00000000 00000000 00000000
00000000
dfe0: 00000000 00000000 00000000 c7c1dff8 c004d8f8 c000855c 002ffe02
0073ecca
Backtrace:
[<c0073778>] (__rcu_process_callbacks+0x0/0x244) from [<c00739d4>]
(rcu_process_callbacks+0x18/0x38)
r6:00000008 r5:00000001 r4:c0400e04
[<c00739bc>] (rcu_process_callbacks+0x0/0x38) from [<c004f6f4>]
(__do_softirq+0x60/0xc0)
[<c004f694>] (__do_softirq+0x0/0xc0) from [<c004f79c>] (irq_exit
+0x48/0x88)
[<c004f754>] (irq_exit+0x0/0x88) from [<c002c050>]
(__exception_text_start+0x50/0x68)
r4:c03dd4e0
[<c002c000>] (__exception_text_start+0x0/0x68) from [<c002c630>]
(__irq_svc+0x30/0x80)
Exception stack(0xc7c1de40 to 0xc7c1de88)
de40: c03daec8 000007f0 00000000 40000013 c03fc8ac c03ed158 00000000
c03fc8f5
de60: c7c1df14 c03ece00 00000049 c7c1defc c7c1de58 c7c1de88 c004ab10
c004b228
de80: 60000013 ffffffff
r6:00000000 r5:d8200000 r4:ffffffff
[<c004af64>] (vprintk+0x0/0x30c) from [<c03b2c00>] (printk+0x1c/0x24)
[<c03b2be4>] (printk+0x0/0x24) from [<c01ad5e0>]
(twl4030_attach_adapter+0xc8/0x69c)
r3:00000001 r2:c7ca05ac r1:c03ed158 r0:c03989af
[<c01ad518>] (twl4030_attach_adapter+0x0/0x69c) from [<c01aa41c>]
(i2c_register_driver+0xac/0xf8)
[<c01aa370>] (i2c_register_driver+0x0/0xf8) from [<c001c870>]
(twl4030_init+0x18/0x20)
r7:00000000 r6:00000000 r5:c00260bc r4:00000000
[<c001c858>] (twl4030_init+0x0/0x20) from [<c0008620>] (kernel_init
+0xd0/0x29c)
[<c0008550>] (kernel_init+0x0/0x29c) from [<c004d8f8>] (do_exit
+0x0/0x5ec)
Code: e5943024 e3530000 099da870 e3a06000 (e5935000)
<0>Kernel panic - not syncing: Fatal exception in interrupt
More bootlogs at http://amethyst.openembedded.net/~koen/beagleboard/beagle-i2c-crash.txt
I suspect it's somewhere in i2c, but I have no proof for that. Any
quick guesses what might be causing this?
regards,
Koen
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