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<p class="MsoNormal">Hi All, <o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">We see below backtrace on our runBmc board. And networking does not work on eth0.<o:p></o:p></p>
<p class="MsoNormal">No DHCP and static IP address can work. Pings and ARP fails, no packets received seen running tcpdump.<o:p></o:p></p>
<p class="MsoNormal">Using 2.7 version of openBmc. Please let me know if there is a known fix or patch for this.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">transformers:~# [ 158.082251] ------------[ cut here ]------------<o:p></o:p></p>
<p class="MsoNormal">[ 158.087442] WARNING: CPU: 1 PID: 0 at net/sched/sch_generic.c:447 dev_watchdog+0x2d4/0x2f8<o:p></o:p></p>
<p class="MsoNormal">[ 158.096681] NETDEV WATCHDOG: eth0 (ftgmac100): transmit queue 0 timed out<o:p></o:p></p>
<p class="MsoNormal">[ 158.104279] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.4.8-671f622-dirty-f5845fd #1<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Few issues were reported but no resolution.<o:p></o:p></p>
<p class="MsoNormal"><a href="https://github.com/openbmc/openbmc/issues/3192">https://github.com/openbmc/openbmc/issues/3192</a><o:p></o:p></p>
<p class="MsoNormal"><a href="https://github.com/openbmc/openbmc/issues/2228">https://github.com/openbmc/openbmc/issues/2228</a><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Tried below patch , seems does not work. <o:p></o:p></p>
<p class="MsoNormal"><a href="http://lkml.iu.edu/hypermail/linux/kernel/2010.1/05957.html">http://lkml.iu.edu/hypermail/linux/kernel/2010.1/05957.html</a><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">FYI ..We tried openBmc 2.9 version. It can work fine. <o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Attached is the complete backtrace. <o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Thanks<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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