Infinite Stack Unwinding ARM

Johannes Stoelp Johannes.Stoelp@synopsys.com
Tue Apr 11 16:20:00 GMT 2017


Hi Yao,

Yao Qi <qiyaoltc@gmail.com> 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


More information about the Gdb mailing list