From mboxrd@z Thu Jan 1 00:00:00 1970
From: bugzilla-daemon@bugzilla.kernel.org
Subject: [Bug 29382] Panic: Unable to handle kernel paging request
Date: Sun, 20 Feb 2011 10:48:20 GMT
Message-ID: <201102201048.p1KAmKRt017015@demeter1.kernel.org>
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Avi Kivity changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |avi@redhat.com
--- Comment #6 from Avi Kivity 2011-02-20 10:48:03 ---
What is your qemu command line?
The crash is in
int kvm_set_irq(struct kvm *kvm, int irq_source_id, u32 irq, int level)
{
struct kvm_kernel_irq_routing_entry *e, irq_set[KVM_NR_IRQCHIPS];
int ret = -1, i = 0;
struct kvm_irq_routing_table *irq_rt;
struct hlist_node *n;
trace_kvm_set_irq(irq, level, irq_source_id);
/* Not possible to detect if the guest uses the PIC or the
* IOAPIC. So set the bit in both. The guest will ignore
* writes to the unused one.
*/
rcu_read_lock();
irq_rt = rcu_dereference(kvm->irq_routing);
if (irq < irq_rt->nr_rt_entries)
^^^ here
hlist_for_each_entry(e, n, &irq_rt->map[irq], link)
irq_set[i++] = *e;
rcu_read_unlock();
Looks like kvm->irq_routing is corrupted (but not NULL).
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