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Re: [PATCH] xen/riscv: dump CSRs on unexpected traps
- To: Jan Beulich <jbeulich@xxxxxxxx>
- From: Oleksii Kurochko <oleksii.kurochko@xxxxxxxxx>
- Date: Thu, 15 Jan 2026 16:41:26 +0100
- Cc: Alistair Francis <alistair.francis@xxxxxxx>, Connor Davis <connojdavis@xxxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Anthony PERARD <anthony.perard@xxxxxxxxxx>, Michal Orzel <michal.orzel@xxxxxxx>, Julien Grall <julien@xxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
- Delivery-date: Thu, 15 Jan 2026 15:41:31 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 1/15/26 2:12 PM, Jan Beulich wrote:
static void do_unexpected_trap(const struct cpu_user_regs *regs)
{
unsigned long cause = csr_read(CSR_SCAUSE);
printk("Unhandled exception: %s\n", decode_cause(cause));
+ dump_csrs(cause);
+
die();
}
Apart from CSRs, how about also dumping GPRs?
Just to double-check, do you mean GPRs which are stired in
regs argument of do_unexpected_trap?
~ Oleksii
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