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| author | Tejaswini Poluri <tejaswinipoluri3@gmail.com> | 2017-03-28 12:49:43 +0530 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2017-04-02 21:17:47 +0200 |
| commit | c7f15bc93661a36fec9fd0107654cf44d06c5992 (patch) | |
| tree | b104698df3196f376ea58101a81acca328a49d19 | |
| parent | b9afaba891458d3e1f3f853a8cb6880498ed34e3 (diff) | |
target-i386: fix "info lapic" segfault on isapc
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 <tejaswinipoluri3@gmail.com>
Message-Id: <1490685583-16987-1-git-send-email-tejaswinipoluri3@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
| -rw-r--r-- | target/i386/helper.c | 4 |
1 files changed, 4 insertions, 0 deletions
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", |