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Re: [xen-unstable-smoke test] 169781: regressions - FAIL


  • To: Julien Grall <julien@xxxxxxx>, osstest service owner <osstest-admin@xxxxxxxxxxxxxx>
  • From: Jan Beulich <jbeulich@xxxxxxxx>
  • Date: Thu, 28 Apr 2022 09:45:09 +0200
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  • Cc: David Vrabel <dvrabel@xxxxxxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Bertrand Marquis <bertrand.marquis@xxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
  • Delivery-date: Thu, 28 Apr 2022 07:45:22 +0000
  • List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

On 27.04.2022 19:10, Julien Grall wrote:
> Hi,
> 
> On 27/04/2022 17:38, osstest service owner wrote:
>> flight 169781 xen-unstable-smoke real [real]
>> flight 169785 xen-unstable-smoke real-retest [real]
>> http://logs.test-lab.xenproject.org/osstest/logs/169781/
>> http://logs.test-lab.xenproject.org/osstest/logs/169785/
>>
>> Regressions :-(
>>
>> Tests which did not succeed and are blocking,
>> including tests which could not be run:
>>   test-arm64-arm64-xl-xsm       8 xen-boot                 fail REGR. vs. 
>> 169773
> 
> Well, I was overly optimistic :(. This now breaks in the ITS code:
> 
> Apr 27 13:23:14.324831 (XEN) Xen call trace:
> Apr 27 13:23:14.324855 (XEN)    [<000000000022a678>] 
> alloc_xenheap_pages+0x178/0x194 (PC)
> Apr 27 13:23:14.336856 (XEN)    [<000000000022a670>] 
> alloc_xenheap_pages+0x170/0x194 (LR)
> Apr 27 13:23:14.336886 (XEN)    [<0000000000237770>] _xmalloc+0x144/0x294
> Apr 27 13:23:14.348773 (XEN)    [<00000000002378d4>] _xzalloc+0x14/0x30
> Apr 27 13:23:14.348808 (XEN)    [<000000000027b4e4>] 
> gicv3_lpi_init_rdist+0x54/0x324
> Apr 27 13:23:14.348835 (XEN)    [<0000000000279898>] 
> arch/arm/gic-v3.c#gicv3_cpu_init+0x128/0x46c
> Apr 27 13:23:14.360799 (XEN)    [<0000000000279bfc>] 
> arch/arm/gic-v3.c#gicv3_secondary_cpu_init+0x20/0x50
> Apr 27 13:23:14.372796 (XEN)    [<0000000000277054>] 
> gic_init_secondary_cpu+0x18/0x30
> Apr 27 13:23:14.372829 (XEN)    [<0000000000284518>] 
> start_secondary+0x1a8/0x234
> Apr 27 13:23:14.372856 (XEN)    [<0000010722aa4200>] 0000010722aa4200
> Apr 27 13:23:14.384793 (XEN)
> Apr 27 13:23:14.384823 (XEN)
> Apr 27 13:23:14.384845 (XEN) ****************************************
> Apr 27 13:23:14.384869 (XEN) Panic on CPU 2:
> Apr 27 13:23:14.384891 (XEN) Assertion '!in_irq() && 
> (local_irq_is_enabled() || num_online_cpus() <= 1)' failed at 
> common/page_alloc.c:2212
> Apr 27 13:23:14.396805 (XEN) ****************************************
> 
> The GICv3 LPI code contains a few calls to xmalloc() that will be done 
> while initializing the GIC CPU interface. I don't think we can delay the 
> initialization of the LPI part past local_irq_enable(). So I think we 
> will need to allocate the memory when preparing the CPU.

Do you have an explanation why the next flight (169800) passed?

Jan




 


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