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Date: Thu, 7 Oct 2010 01:29:15 +0300 From: Grazvydas Ignotas <notasas@...il.com> To: Thomas Gleixner <tglx@...utronix.de> Cc: Ingo Molnar <mingo@...e.hu>, linux-kernel@...r.kernel.org Subject: twl4030 irq crashes Hello, I've pulled today's (20101006) linux-next and twl4030 started crashing on certain interrupts. twl4030 irq code hasn't changed so it's probably genirq's fault: [ 0.889739] Unable to handle kernel NULL pointer dereference at virtual address 00000000 [ 0.898193] pgd = c0004000 [ 0.901000] [00000000] *pgd=00000000 [ 0.904754] Internal error: Oops: 80000005 [#1] [ 0.909484] last sysfs file: [ 0.912567] Modules linked in: [ 0.915771] CPU: 0 Not tainted (2.6.36-rc6-next-20101006-00001-g766a681-dirty #205) [ 0.924133] PC is at 0x0 [ 0.926788] LR is at handle_edge_irq+0x84/0x14c [ 0.931518] pc : [<00000000>] lr : [<c0077244>] psr: a0000093 [ 0.931549] sp : cf8a5f80 ip : 00000000 fp : 00000000 [ 0.943511] r10: 00000000 r9 : 00000000 r8 : cf897f80 [ 0.948974] r7 : c0230d6c r6 : 0000017a r5 : 00000004 r4 : c03060c8 [ 0.955810] r3 : c030d530 r2 : c031d36c r1 : 00020003 r0 : c03060c8 [ 0.962615] Flags: NzCv IRQs off FIQs on Mode SVC_32 ISA ARM Segment kernel [ 0.970336] Control: 10c5387d Table: 80004019 DAC: 00000015 [ 0.976348] Process twl4030-irq (pid: 137, stack limit = 0xcf8a42f0) [ 0.982971] Stack: (0xcf8a5f80 to 0xcf8a6000) [ 0.987548] 5f80: 0000017a 00000004 00000002 c015779c 00000175 00000004 00000175 00000000 [ 0.996093] 5fa0: 00000007 c015759c 00000000 c0157690 00000007 013071d0 cf8a5fd4 cf81bd20 [ 1.004638] 5fc0: 00000007 c006155c c0030078 00000000 00000007 00000000 cf8a5fd8 cf8a5fd8 [ 1.013183] 5fe0: 00000000 cf81bd20 c00614d8 c0030078 00000013 c0030078 00000000 00000000 [ 1.021759] [<c0077244>] (handle_edge_irq+0x84/0x14c) from [<c015779c>] (handle_twl4030_sih+0xa0/0xd4) [ 1.031494] [<c015779c>] (handle_twl4030_sih+0xa0/0xd4) from [<c0157690>] (twl4030_irq_thread+0xf4/0x144) [ 1.041503] [<c0157690>] (twl4030_irq_thread+0xf4/0x144) from [<c006155c>] (kthread+0x84/0x8c) [ 1.050537] [<c006155c>] (kthread+0x84/0x8c) from [<c0030078>] (kernel_thread_exit+0x0/0x8) [ 1.059265] Code: bad PC value -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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