Re: [BUG] Assertion '(sp == 0) || (peoi[sp-1].vector < vector)' failed at irq.c:1163

[Andrew Cooper <andrew.cooper3@citrix.com>]

On 18/01/16 10:31, Jan Beulich wrote:
>>>> On 18.01.16 at 00:07, <hakon@alstadheim.priv.no> wrote:
>> There we go :-/ . Log attached from boot to assertion-failure with
>> loglvl=all guest_loglvl=all . Some of the log output might be a bit
>> cryptic, they are notes to myself from local boot-scripts, basically
>> firing up my router/name-server/dhcp-server and waiting until services
>> are ready before continuing.
>>
>> ---
>> (XEN) [2016-01-17 22:46:38] **peoi[0] = {107, 0x40, 0}
> According to
>
> (XEN) [2016-01-17 16:50:49] IOAPIC[0]: Set PCI routing entry (1-3 -> 0x40 -> IRQ 3 Mode:0 Active:0)
>
> this might be the serial console, albeit IRQ 107 contradicts this
> afaict. Does this also occur without serial console? Are we
> perhaps wrongly re-using vector 0x40 (and if so might this be
> fixed with -unstable commit fc0c3fa2ad, in turn requiring
> e509b8e09c)?

I also had a bug in the first patch which printed the vector as 0x%u,
fixed in the second to be %#x.  As such, the actual vector on the
pending EOI stack is 0x28.

~Andrew