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Re: [Qemu-devel] qemu-2.9 crashes in tcg_handle_interrupt() during winx6
From: |
Igor Mammedov |
Subject: |
Re: [Qemu-devel] qemu-2.9 crashes in tcg_handle_interrupt() during winx64 boot |
Date: |
Fri, 31 Mar 2017 10:21:25 +0200 |
On Thu, 30 Mar 2017 16:05:58 +0100
Alex Bennée <address@hidden> wrote:
> Igor Mammedov <address@hidden> writes:
>
> > (PS: resend due to wrong qemu-devel mail list address in original
> > email)
>
> Le *sigh* another way of x86 generating IRQs ;-)
>
> Could you test this please?
>
> target/i386/misc_helper: wrap BQL around another IRQ generator
>
> Anything that calls into HW emulation must be protected by the BQL.
>
> Signed-off-by: Alex Bennée <address@hidden>
it doesn't help,
it asserts in the same place anyway
>
> 1 file changed, 2 insertions(+)
> target/i386/misc_helper.c | 2 ++
>
> modified target/i386/misc_helper.c
> @@ -156,7 +156,9 @@ void helper_write_crN(CPUX86State *env, int reg,
> target_ulong t0)
> break;
> case 8:
> if (!(env->hflags2 & HF2_VINTR_MASK)) {
> + qemu_mutex_lock_iothread();
> cpu_set_apic_tpr(x86_env_get_cpu(env)->apic_state, t0);
> + qemu_mutex_unlock_iothread();
> }
> env->v_tpr = t0 & 0x0f;
> break;
> --
> Alex Bennée
>