i.MX ProcessorsのトピックOccasional DHCP-Problems on i.MX53 Gingerbread Android https://community.nxp.com/t5/i-MX-Processors/Occasional-DHCP-Problems-on-i-MX53-Gingerbread-Android/m-p/449228#M69471 <HTML><HEAD></HEAD><BODY><P>Hi all</P><P></P><P>On our i.MX53-based devices we're still supporting Freescale's Gingerbread Android (r10.4) and we're facing occasional Ethernet problems on these devices: when configured for DHCP, occasionally (i.e. ~1 or 2 times in 1000 boots of a device) the dhcpd_eth-service is stopped/killed immediately after it has just been started during system boot; even before the service sent the first DHCPDISCOVER package.</P><P></P><P>After several tests, adding lots of debugging messages and tracing the instruction flow it seems that this is caused by some kind of race-condition or timing problem in Freescale's EthernetStateTracker/-Monitor/-Manager-classes(in "fsl-android-r10.4\frameworks\base\core\java\android\net") or the libnetutils (in "fsl-android-r10.4\system\core\libnetutils") used by the Java-classes. Couldn't figure out the proper cause for this problem, yet, though.</P><P></P><P>Anybody else noticed this problem and maybe has a fix for this issue?</P><P></P><P></P><P>Regards,</P><P>Marc</P></BODY></HTML> Thu, 11 Jun 2015 09:02:04 GMT MOW 2015-06-11T09:02:04Z Occasional DHCP-Problems on i.MX53 Gingerbread Android https://community.nxp.com/t5/i-MX-Processors/Occasional-DHCP-Problems-on-i-MX53-Gingerbread-Android/m-p/449228#M69471 <HTML><HEAD></HEAD><BODY><P>Hi all</P><P></P><P>On our i.MX53-based devices we're still supporting Freescale's Gingerbread Android (r10.4) and we're facing occasional Ethernet problems on these devices: when configured for DHCP, occasionally (i.e. ~1 or 2 times in 1000 boots of a device) the dhcpd_eth-service is stopped/killed immediately after it has just been started during system boot; even before the service sent the first DHCPDISCOVER package.</P><P></P><P>After several tests, adding lots of debugging messages and tracing the instruction flow it seems that this is caused by some kind of race-condition or timing problem in Freescale's EthernetStateTracker/-Monitor/-Manager-classes(in "fsl-android-r10.4\frameworks\base\core\java\android\net") or the libnetutils (in "fsl-android-r10.4\system\core\libnetutils") used by the Java-classes. Couldn't figure out the proper cause for this problem, yet, though.</P><P></P><P>Anybody else noticed this problem and maybe has a fix for this issue?</P><P></P><P></P><P>Regards,</P><P>Marc</P></BODY></HTML> Thu, 11 Jun 2015 09:02:04 GMT https://community.nxp.com/t5/i-MX-Processors/Occasional-DHCP-Problems-on-i-MX53-Gingerbread-Android/m-p/449228#M69471 MOW 2015-06-11T09:02:04Z