From c7f15bc93661a36fec9fd0107654cf44d06c5992 Mon Sep 17 00:00:00 2001 From: Tejaswini Poluri Date: Tue, 28 Mar 2017 12:49:43 +0530 Subject: target-i386: fix "info lapic" segfault on isapc MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Start QEMU with "qemu-system-x86_64 -nographic -M isapc -serial none-monitor stdio" and enter "info lapic" at the monitor prompt ⇒ Segmentation fault Signed-off-by: Tejaswini Poluri Message-Id: <1490685583-16987-1-git-send-email-tejaswinipoluri3@gmail.com> Signed-off-by: Paolo Bonzini --- target/i386/helper.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'target/i386') diff --git a/target/i386/helper.c b/target/i386/helper.c index e2af3404f2..f11cac63a1 100644 --- a/target/i386/helper.c +++ b/target/i386/helper.c @@ -326,6 +326,10 @@ void x86_cpu_dump_local_apic_state(CPUState *cs, FILE *f, { X86CPU *cpu = X86_CPU(cs); APICCommonState *s = APIC_COMMON(cpu->apic_state); + if (!s) { + cpu_fprintf(f, "local apic state not available\n"); + return; + } uint32_t *lvt = s->lvt; cpu_fprintf(f, "dumping local APIC state for CPU %-2u\n\n", -- cgit v1.2.3