Messages in this thread Patch in this message | | | Date | Mon, 28 May 2018 12:53:19 +0200 (CEST) | From | Thomas Gleixner <> | Subject | Re: WARNING and PANIC in irq_matrix_free |
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On Fri, 25 May 2018, Song Liu wrote: > On Wed, May 23, 2018 at 1:49 AM, Thomas Gleixner <tglx@linutronix.de> wrote: > > On Wed, 23 May 2018, Tariq Toukan wrote: > >> I have your patch merged into my internal branch, it prints the following: > >> > >> [ 4898.226258] Trying to clear prev_vector: 0 > >> [ 4898.226439] Trying to clear prev_vector: 0 > >> > >> i.e. vector(0) is lower than FIRST_EXTERNAL_VECTOR. > > > > Could you please enable the vector and irq matrix trace points and capture > > the trace when this happens?
Does the patch below fix it?
Thanks,
tglx
8<------------------- diff --git a/arch/x86/kernel/apic/vector.c b/arch/x86/kernel/apic/vector.c index bb6f7a2148d7..54af3d4884b1 100644 --- a/arch/x86/kernel/apic/vector.c +++ b/arch/x86/kernel/apic/vector.c @@ -148,6 +148,7 @@ static void apic_update_vector(struct irq_data *irqd, unsigned int newvec, * prev_vector for this and the offlined target case. */ apicd->prev_vector = 0; + apicd->move_in_progress = false; if (!apicd->vector || apicd->vector == MANAGED_IRQ_SHUTDOWN_VECTOR) goto setnew; /*
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