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    <title>topic Re: ESXi 6.7 kernel panic during Heap_Free in dlmalloc in ESXi Discussions</title>
    <link>https://communities.vmware.com/t5/ESXi-Discussions/ESXi-6-7-kernel-panic-during-Heap-Free-in-dlmalloc/m-p/1398993#M133697</link>
    <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;Any progress on this issue, we are facing this issue as well with SRM 8.1 and vCenter/ESXi 6.7 ?&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
    <pubDate>Tue, 28 Aug 2018 07:14:43 GMT</pubDate>
    <dc:creator>christiaandhu</dc:creator>
    <dc:date>2018-08-28T07:14:43Z</dc:date>
    <item>
      <title>ESXi 6.7 kernel panic during Heap_Free in dlmalloc</title>
      <link>https://communities.vmware.com/t5/ESXi-Discussions/ESXi-6-7-kernel-panic-during-Heap-Free-in-dlmalloc/m-p/1398988#M133692</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;I'm not sure if this is the right place to post this, but I couldn't find a bug tracker for ESXi.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;The host has been running ESXi 6.0 and now 6.7 without issue for a couple years. After reboot, it's all back to normal; so, I don't think it's a hardware problem. I wasn't doing anything in particular when this happened. I.e., no easy repro. &lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Host: VMkernel esxi2 6.7.0 #1 SMP Release build-8169922 Apr&amp;nbsp; 3 2018 14:48:22 x86_64 x86_64 x86_64 ESXi&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Stack trace:&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Line prefix: 2018-05-24T00:44:53.953Z, cpu13:2097958)&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;@BlueScreen: PANIC bora/vmkernel/main/dlmalloc.c:4924 - Usage error in dlmalloc&lt;/P&gt;&lt;P&gt;Code start: 0x41801cc00000 VMK uptime: 28:20:55:23.811&lt;/P&gt;&lt;P&gt;0x451a0a79b470:[0x41801cd08ca5]PanicvPanicInt@vmkernel#nover+0x439 stack: 0x7520676e69726f6e&lt;/P&gt;&lt;P&gt;0x451a0a79b510:[0x41801cd08ed8]Panic_NoSave@vmkernel#nover+0x4d stack: 0x451a0a79b570&lt;/P&gt;&lt;P&gt;0x451a0a79b570:[0x41801cd512c2]DLM_free@vmkernel#nover+0x657 stack: 0x431c091f1fb0&lt;/P&gt;&lt;P&gt;0x451a0a79b590:[0x41801cd4e4b0]Heap_Free@vmkernel#nover+0x115 stack: 0x451a0a79b630&lt;/P&gt;&lt;P&gt;0x451a0a79b5e0:[0x41801df056ca]CbtAsyncIODone@(hbr_filter)#&amp;lt;None&amp;gt;+0x2b stack: 0x459a40a26800&lt;/P&gt;&lt;P&gt;0x451a0a79b610:[0x41801ccc89a2]AsyncPopCallbackFrameInt@vmkernel#nover+0x4b stack: 0x451a0a79b670&lt;/P&gt;&lt;P&gt;0x451a0a79b640:[0x41801df072a9]Lwd_IssuePendingIO@(hbr_filter)#&amp;lt;None&amp;gt;+0x9a stack: 0x431c09235c50&lt;/P&gt;&lt;P&gt;0x451a0a79b670:[0x41801defa413]DemandLogReadTokenCallback@(hbr_filter)#&amp;lt;None&amp;gt;+0x1a4 stack: 0x41801cf76149&lt;/P&gt;&lt;P&gt;0x451a0a79b7a0:[0x41801ccc89a2]AsyncPopCallbackFrameInt@vmkernel#nover+0x4b stack: 0x459a40a0d000&lt;/P&gt;&lt;P&gt;0x451a0a79b7d0:[0x41801ccc89a2]AsyncPopCallbackFrameInt@vmkernel#nover+0x4b stack: 0x459a40b16b80&lt;/P&gt;&lt;P&gt;0x451a0a79b800:[0x41801cface08]VSCSI_FSVirtAsyncDone@vmkernel#nover+0x59 stack: 0x17eda3ffe77b66&lt;/P&gt;&lt;P&gt;0x451a0a79b810:[0x41801ccc89a2]AsyncPopCallbackFrameInt@vmkernel#nover+0x4b stack: 0x459a40a55398&lt;/P&gt;&lt;P&gt;0x451a0a79b840:[0x41801cc4d96b]FS_IOAccessDone@vmkernel#nover+0x68 stack: 0x1&lt;/P&gt;&lt;P&gt;0x451a0a79b860:[0x41801ccc89a2]AsyncPopCallbackFrameInt@vmkernel#nover+0x4b stack: 0x459a5d587d00&lt;/P&gt;&lt;P&gt;0x451a0a79b890:[0x41801cc678e8]FDSAsyncTokenIODone@vmkernel#nover+0x91 stack: 0x459a5a861900&lt;/P&gt;&lt;P&gt;0x451a0a79b8c0:[0x41801cf65b2a]SCSIDeviceCmdCompleteInt@vmkernel#nover+0x6f stack: 0x459a410ba240&lt;/P&gt;&lt;P&gt;0x451a0a79b930:[0x41801cf66a17]SCSIDeviceCmdCompleteCB@vmkernel#nover+0x2bc stack: 0x41801d8be5c4&lt;/P&gt;&lt;P&gt;0x451a0a79ba10:[0x41801cf68a2e]SCSICompleteDeviceCommand@vmkernel#nover+0xa7 stack: 0x0&lt;/P&gt;&lt;P&gt;0x451a0a79bb10:[0x41801d883fa0]nmp_CompleteCommandForDevice@com.vmware.vmkapi#v2_5_0_0+0x39 stack: 0x459a5b8cb340&lt;/P&gt;&lt;P&gt;0x451a0a79bb70:[0x41801d884468]nmp_CompleteCommandForPath@com.vmware.vmkapi#v2_5_0_0+0x61 stack: 0x418043400d40&lt;/P&gt;&lt;P&gt;0x451a0a79bcc0:[0x41801cf888c4]SCSICompletePathCommand@vmkernel#nover+0x1f5 stack: 0x430469218180&lt;/P&gt;&lt;P&gt;0x451a0a79bd90:[0x41801cf77849]SCSICompleteAdapterCommand@vmkernel#nover+0x13e stack: 0x900000200&lt;/P&gt;&lt;P&gt;0x451a0a79be20:[0x41801d5f1978]SCSILinuxWorldletFn@com.vmware.driverAPI#9.2+0x3f1 stack: 0x430874ce72e0&lt;/P&gt;&lt;P&gt;0x451a0a79bf80:[0x41801cd3e694]WorldletFunc@vmkernel#nover+0xf5 stack: 0x0&lt;/P&gt;&lt;P&gt;0x451a0a79bfe0:[0x41801cf081f2]CpuSched_StartWorld@vmkernel#nover+0x77 stack: 0x0&lt;/P&gt;&lt;P&gt;base fs=0x0 gs=0x418043400000 Kgs=0x0&lt;/P&gt;&lt;P&gt;Lemme know if you need more info.&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Sat, 26 May 2018 01:31:03 GMT</pubDate>
      <guid>https://communities.vmware.com/t5/ESXi-Discussions/ESXi-6-7-kernel-panic-during-Heap-Free-in-dlmalloc/m-p/1398988#M133692</guid>
      <dc:creator>sn12</dc:creator>
      <dc:date>2018-05-26T01:31:03Z</dc:date>
    </item>
    <item>
      <title>Re: ESXi 6.7 kernel panic during Heap_Free in dlmalloc</title>
      <link>https://communities.vmware.com/t5/ESXi-Discussions/ESXi-6-7-kernel-panic-during-Heap-Free-in-dlmalloc/m-p/1398989#M133693</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;You are not alone.&lt;/P&gt;&lt;P&gt;This is probably a bug, open a Service Request with VMware Technical Support &lt;A href="https://communities.vmware.com/thread/589031"&gt;ESXi 6.7 Keep Getting PANIC bora/vmkernel/main/dlmalloc.c: 4924 - Usage error in dlmalloc&lt;/A&gt; &lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Tue, 29 May 2018 12:54:54 GMT</pubDate>
      <guid>https://communities.vmware.com/t5/ESXi-Discussions/ESXi-6-7-kernel-panic-during-Heap-Free-in-dlmalloc/m-p/1398989#M133693</guid>
      <dc:creator>Finikiez</dc:creator>
      <dc:date>2018-05-29T12:54:54Z</dc:date>
    </item>
    <item>
      <title>Re: ESXi 6.7 kernel panic during Heap_Free in dlmalloc</title>
      <link>https://communities.vmware.com/t5/ESXi-Discussions/ESXi-6-7-kernel-panic-during-Heap-Free-in-dlmalloc/m-p/1398990#M133694</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;Hello; I tried to send you a private message but it failed. VMware support is tracking this issue for us also; however since the last time it occured the Sr. Solution Engineer who had been working the issue is now on PTO until July 3. Have you received any additional information as to a fix or workaround to avoid? We were told the issue was likely something related to VDR (vsphere replication).&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Thanks,&lt;/P&gt;&lt;P&gt;John&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Tue, 12 Jun 2018 18:07:47 GMT</pubDate>
      <guid>https://communities.vmware.com/t5/ESXi-Discussions/ESXi-6-7-kernel-panic-during-Heap-Free-in-dlmalloc/m-p/1398990#M133694</guid>
      <dc:creator>gork201110141</dc:creator>
      <dc:date>2018-06-12T18:07:47Z</dc:date>
    </item>
    <item>
      <title>Re: ESXi 6.7 kernel panic during Heap_Free in dlmalloc</title>
      <link>https://communities.vmware.com/t5/ESXi-Discussions/ESXi-6-7-kernel-panic-during-Heap-Free-in-dlmalloc/m-p/1398991#M133695</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;Hello, any workarounds for this issue ?&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Tue, 31 Jul 2018 07:19:46 GMT</pubDate>
      <guid>https://communities.vmware.com/t5/ESXi-Discussions/ESXi-6-7-kernel-panic-during-Heap-Free-in-dlmalloc/m-p/1398991#M133695</guid>
      <dc:creator>oleggordienko</dc:creator>
      <dc:date>2018-07-31T07:19:46Z</dc:date>
    </item>
    <item>
      <title>Re: ESXi 6.7 kernel panic during Heap_Free in dlmalloc</title>
      <link>https://communities.vmware.com/t5/ESXi-Discussions/ESXi-6-7-kernel-panic-during-Heap-Free-in-dlmalloc/m-p/1398992#M133696</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P style="margin: 2px; font-family: proxima-nova, Arial, sans-serif; color: #666666;"&gt;This is a known issue with ESXi 6.7. We are currently still working on determining the root cause of the issue. We published the following KB &lt;A class="jive-link-external-small" href="https://kb.vmware.com/s/article/55650" name="&amp;amp;amp;lpos=apps_scodevmw : 194" rel="nofollow" style="color: #3399cc;"&gt;https://kb.vmware.com/s/article/55650&lt;/A&gt;.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P style="margin: 2px; font-family: proxima-nova, Arial, sans-serif; color: #666666;"&gt;If you do experience this PSOD please open a Support Request with GSS to obtain a debug build for future troubleshooting.&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Thu, 09 Aug 2018 12:56:08 GMT</pubDate>
      <guid>https://communities.vmware.com/t5/ESXi-Discussions/ESXi-6-7-kernel-panic-during-Heap-Free-in-dlmalloc/m-p/1398992#M133696</guid>
      <dc:creator>jameswalkervmw</dc:creator>
      <dc:date>2018-08-09T12:56:08Z</dc:date>
    </item>
    <item>
      <title>Re: ESXi 6.7 kernel panic during Heap_Free in dlmalloc</title>
      <link>https://communities.vmware.com/t5/ESXi-Discussions/ESXi-6-7-kernel-panic-during-Heap-Free-in-dlmalloc/m-p/1398993#M133697</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;Any progress on this issue, we are facing this issue as well with SRM 8.1 and vCenter/ESXi 6.7 ?&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Tue, 28 Aug 2018 07:14:43 GMT</pubDate>
      <guid>https://communities.vmware.com/t5/ESXi-Discussions/ESXi-6-7-kernel-panic-during-Heap-Free-in-dlmalloc/m-p/1398993#M133697</guid>
      <dc:creator>christiaandhu</dc:creator>
      <dc:date>2018-08-28T07:14:43Z</dc:date>
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