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<!DOCTYPE bugzilla SYSTEM "https://bugzilla.yoctoproject.org/page.cgi?id=bugzilla.dtd">

<bugzilla version="5.0.6"
          urlbase="https://bugzilla.yoctoproject.org/"
          
          maintainer="it-coreprojects-helpdesk@linuxfoundation.org"
>

    <bug>
          <bug_id>16311</bug_id>
          
          <creation_ts>2026-06-10 16:40:38 +0000</creation_ts>
          <short_desc>AB-INT: qemu central error: CPU failed to come online</short_desc>
          <delta_ts>2026-10-23 07:13:46 +0000</delta_ts>
          <reporter_accessible>1</reporter_accessible>
          <cclist_accessible>1</cclist_accessible>
          <classification_id>10</classification_id>
          <classification>QA/Testing</classification>
          <product>Runtime Testing</product>
          <component>oeqa/runtime</component>
          <version>unspecified</version>
          <rep_platform>x86</rep_platform>
          <op_sys>Multiple</op_sys>
          <bug_status>NEW</bug_status>
          <resolution></resolution>
          
          
          <bug_file_loc></bug_file_loc>
          <status_whiteboard>AB-INT</status_whiteboard>
          <keywords></keywords>
          <priority>Medium</priority>
          <bug_severity>normal</bug_severity>
          <target_milestone>6.1</target_milestone>
          
          
          <everconfirmed>1</everconfirmed>
          <reporter name="Mathieu Dubois-Briand">mathieu.dubois-briand</reporter>
          <assigned_to name="Trevor Gamblin">tgamblin</assigned_to>
          <cc>randy.macleod</cc>
          
          
          <cf_os>---</cf_os>
          <cf_regression_type>---</cf_regression_type>
          
          <cf_docchange>No (bug/feature does not impact docs)</cf_docchange>

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>105801</commentid>
    <comment_count>0</comment_count>
    <who name="Mathieu Dubois-Briand">mathieu.dubois-briand</who>
    <bug_when>2026-06-10 16:40:38 +0000</bug_when>
    <thetext>QMP released QEMU at 06/05/26 23:21:13 and took 0.05 seconds from connect
Traceback (most recent call last):
  File &quot;/srv/pokybuild/yocto-worker/qemuriscv64-ptest/build/layers/openembedded-core/meta/lib/oeqa/core/decorator/__init__.py&quot;, line 35, in wrapped_f
    return func(*args, **kwargs)
  File &quot;/srv/pokybuild/yocto-worker/qemuriscv64-ptest/build/layers/openembedded-core/meta/lib/oeqa/runtime/cases/parselogs.py&quot;, line 185, in test_parselogs
    self.assertEqual(errcount, 0, msg=self.msg)
    ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: 2 != 0 : Log: /srv/pokybuild/yocto-worker/qemuriscv64-ptest/build/build/tmp/work/qemuriscv64-poky-linux/core-image-ptest-python3-atomicwrites/1.0/target_logs/dmesg
-----------------------
Central error: [    1.113668] CPU2: failed to come online
***********************
[    0.015006] LSM: initializing lsm=capability,landlock
[    0.015585] landlock: Up and running.
[    0.023510] Mount-cache hash table entries: 2048 (order: 2, 16384 bytes, linear)
[    0.023574] Mountpoint-cache hash table entries: 2048 (order: 2, 16384 bytes, linear)
[    0.076713] riscv: ELF compat mode supported
[    0.077083] ASID allocator using 16 bits (65536 entries)
[    0.079783] rcu: Hierarchical SRCU implementation.
[    0.079826] rcu:     Max phase no-delay instances is 1000.
[    0.083097] EFI services will not be available.
[    0.084078] smp: Bringing up secondary CPUs ...
[    1.113668] CPU2: failed to come online
[    1.119529] smp: Brought up 1 node, 3 CPUs
[    1.126848] Memory: 993548K/1048576K available (12983K kernel code, 5544K rwdata, 4096K rodata, 2658K init, 455K bss, 49836K reserved, 0K cma-reserved)
[    1.141255] devtmpfs: initialized
[    1.155266] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041785100000 ns
[    1.155459] posixtimers hash table entries: 2048 (order: 3, 32768 bytes, linear)
[    1.155801] futex hash table entries: 1024 (65536 bytes on 1 NUMA nodes, total 64 KiB, linear).
[    1.159664] DMI not present or invalid.
[    1.165594] NET: Registered PF_NETLINK/PF_ROUTE protocol family
[    1.173105] SBI misaligned access exception delegation ok
[    1.196526] cpu3: Ratio of byte access time to unaligned word access is 7.64, unaligned accesses are fast</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>105803</commentid>
    <comment_count>1</comment_count>
    <who name="Mathieu Dubois-Briand">mathieu.dubois-briand</who>
    <bug_when>2026-06-10 16:42:13 +0000</bug_when>
    <thetext>qemuriscv64-ptest opensuse160-vk-2 master completed at 2026-06-06 00:13:29+00:00
https://valkyrie.yocto.io/pub/non-release/20260605-123/testresults/qemuriscv64-ptest/
https://autobuilder.yoctoproject.org/valkyrie/#/builders/56/builds/1696/steps/13/logs/stdio</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>105827</commentid>
    <comment_count>2</comment_count>
    <who name="Randy MacLeod">randy.macleod</who>
    <bug_when>2026-06-11 14:45:55 +0000</bug_when>
    <thetext>Medium for now, see how frequent it is...

Interesting log:
[    1.196526] cpu3: Ratio of byte access time to unaligned word access is 7.64, unaligned accesses are fast

this may be related to poor performance...</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>106237</commentid>
    <comment_count>3</comment_count>
    <who name="Mathieu Dubois-Briand">mathieu.dubois-briand</who>
    <bug_when>2026-07-21 11:00:16 +0000</bug_when>
    <thetext>qemuarm-oecore ubuntu2204-vk-4 mathieu/master-next-tests&amp;mathieu/master-next completed at 2026-07-17 12:54:15+00:00
https://autobuilder.yoctoproject.org/valkyrie/#/builders/40/builds/4123/steps/13/logs/stdio</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>106330</commentid>
    <comment_count>4</comment_count>
    <who name="Mathieu Dubois-Briand">mathieu.dubois-briand</who>
    <bug_when>2026-07-24 15:11:37 +0000</bug_when>
    <thetext>qemuriscv64-ptest opensuse160-vk-2 mathieu/master-next completed at 2026-07-22 21:40:49+00:00
https://valkyrie.yocto.io/pub/non-release/20260722-98/testresults/qemuriscv64-ptest/
https://autobuilder.yoctoproject.org/valkyrie/#/builders/56/builds/1970/steps/13/logs/stdio</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>106610</commentid>
    <comment_count>5</comment_count>
    <who name="Mathieu Dubois-Briand">mathieu.dubois-briand</who>
    <bug_when>2026-08-21 05:17:22 +0000</bug_when>
    <thetext>qemuriscv64-ptest opensuse160-vk-1 mathieu/master-next completed at 2026-08-20 20:37:06+00:00
https://valkyrie.yocto.io/pub/non-release/20260820-112/testresults/qemuriscv64-ptest/
https://autobuilder.yoctoproject.org/valkyrie/#/builders/56/builds/2211/steps/15/logs/stdio</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>107145</commentid>
    <comment_count>6</comment_count>
    <who name="Mathieu Dubois-Briand">mathieu.dubois-briand</who>
    <bug_when>2026-10-21 07:47:23 +0000</bug_when>
    <thetext>qemuarm opensuse160-vk-1 mathieu/master-next completed at 2026-10-20 14:03:09+00:00
https://autobuilder.yoctoproject.org/valkyrie/#/builders/16/builds/4890/steps/16/logs/stdio</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>107177</commentid>
    <comment_count>7</comment_count>
    <who name="Mathieu Dubois-Briand">mathieu.dubois-briand</who>
    <bug_when>2026-10-23 07:13:46 +0000</bug_when>
    <thetext>qemuarm-alt opensuse160-vk-1 mathieu/master-next completed at 2026-10-22 14:46:12+00:00
https://autobuilder.yoctoproject.org/valkyrie/#/builders/74/builds/4827/steps/16/logs/stdio</thetext>
  </long_desc>
      
      

    </bug>

</bugzilla>