RE: Infinite Stack Unwinding ARM

Johannes Stoelp <[email protected]>
Newsgroups gmane.comp.gdb.devel
Message-ID <6ECCE8A0904A1643BE093611EF2098CE0147592C@DE02WEMBXB.internal.synopsys.com>
Hi Yao,

Yao Qi <[email protected]> writes:
> We may end up with having some Linux kernel specific stuff, and this should fall in "Linux kernel debugging for aarch64".  

I see, thanks for the hint.

> Can you post me the backtrace, as a sample output?

When having unlimited backtrace enabled (default), I get backtraces like the following:
#0  gic_handle_irq (regs=0xffffffc07d9c7e30) at drivers/irqchip/irq-gic.c:263
#1  0xffffffc000083ce4 in el1_irq () at arch/arm64/kernel/entry.S:346
#2  0xffffffc000083ce4 in el1_irq () at arch/arm64/kernel/entry.S:346
#3  0xffffffc000083ce4 in el1_irq () at arch/arm64/kernel/entry.S:346
#4  0xffffffc000083ce4 in el1_irq () at arch/arm64/kernel/entry.S:346
#5  0xffffffc000083ce4 in el1_irq () at arch/arm64/kernel/entry.S:346
#6  0xffffffc000083ce4 in el1_irq () at arch/arm64/kernel/entry.S:346
#7  0xffffffc000083ce4 in el1_irq () at arch/arm64/kernel/entry.S:346
...
#20009 0xffffffc000083ce4 in el1_irq () at arch/arm64/kernel/entry.S:346
#20010 0xffffffc000083ce4 in el1_irq () at arch/arm64/kernel/entry.S:346
#20011 0xffffffc000083ce4 in el1_irq () at arch/arm64/kernel/entry.S:346
#20012 0xffffffc000083ce4 in el1_irq () at arch/arm64/kernel/entry.S:346
#20013 0xffffffc000083ce4 in el1_irq () at arch/arm64/kernel/entry.S:346
#20014 0xffffffc000083ce4 in el1_irq () at arch/arm64/kernel/entry.S:346
...

Best,
Johannes
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