On several occasions I have seen the apcsmart process runaway using 100% CPU while filling my syslog partition by logging the following syslog entries at an incredible rate. I have seen up to 21,800 log entries PER SECOND of the following nature: --[snip]-- Jun 25 10:06:38 servername apcsmart[4012]: Communications with UPS lost: Communications with UPS lost - check cabling Jun 25 10:06:38 servername apcsmart[4012]: smartmode: ser_send_char failed: Input/output error Jun 25 10:06:38 servername apcsmart[4012]: smartmode: ser_send_char failed: Input/output error Jun 25 10:06:38 servername apcsmart[4012]: smartmode: ser_send_char failed: Input/output error Jun 25 10:06:38 servername apcsmart[4012]: smartmode: ser_send_char failed: Input/output error Jun 25 10:06:38 servername apcsmart[4012]: smartmode: ser_send_char failed: Input/output error Jun 25 10:06:38 servername apcsmart[4012]: smartmode: ser_send_char failed: Input/output error Jun 25 10:06:38 servername apcsmart[4012]: smartmode: ser_send_char failed: Input/output error Jun 25 10:06:38 servername apcsmart[4012]: smartmode: ser_send_char failed: Input/output error Jun 25 10:06:38 servername apcsmart[4012]: smartmode: ser_send_char failed: Input/output error Jun 25 10:06:38 servername apcsmart[4012]: smartmode: ser_send_char failed: Input/output error --[snip]-- There is nothing wrong with the cabling, and nut runs fine until this begins. If I kill apcsmart and then restart the nut ups driver everything goes back to normal for days or weeks or months at a time. I am using nut v2.4.1-r1 on a Gentoo Linux system with a 2.6.27 kernel on an AMD Athlon X2 64bit dual core system. Any thoughts? What other information can I provide to help diagnose and hopefully solve this issue? Thanks! -- Bill Arlofski Reverse Polarity, LLC http://www.revpol.com/
Ping... Any thoughts on this? ----- "Bill Arlofski" <waa-nut at revpol.com> wrote:> On several occasions I have seen the apcsmart process runaway using > 100% CPU > while filling my syslog partition by logging the following syslog > entries at > an incredible rate. I have seen up to 21,800 log entries PER SECOND of > the > following nature: > > > --[snip]-- > Jun 25 10:06:38 servername apcsmart[4012]: Communications with UPS > lost: > Communications with UPS lost - check cabling > Jun 25 10:06:38 servername apcsmart[4012]: smartmode: ser_send_char > failed: > Input/output error > Jun 25 10:06:38 servername apcsmart[4012]: smartmode: ser_send_char > failed: > Input/output error > Jun 25 10:06:38 servername apcsmart[4012]: smartmode: ser_send_char > failed: > Input/output error > Jun 25 10:06:38 servername apcsmart[4012]: smartmode: ser_send_char > failed: > Input/output error > Jun 25 10:06:38 servername apcsmart[4012]: smartmode: ser_send_char > failed: > Input/output error > Jun 25 10:06:38 servername apcsmart[4012]: smartmode: ser_send_char > failed: > Input/output error > Jun 25 10:06:38 servername apcsmart[4012]: smartmode: ser_send_char > failed: > Input/output error > Jun 25 10:06:38 servername apcsmart[4012]: smartmode: ser_send_char > failed: > Input/output error > Jun 25 10:06:38 servername apcsmart[4012]: smartmode: ser_send_char > failed: > Input/output error > Jun 25 10:06:38 servername apcsmart[4012]: smartmode: ser_send_char > failed: > Input/output error > --[snip]-- > > > There is nothing wrong with the cabling, and nut runs fine until this > begins. > If I kill apcsmart and then restart the nut ups driver everything goes > back to > normal for days or weeks or months at a time. > > I am using nut v2.4.1-r1 on a Gentoo Linux system with a 2.6.27 kernel > on an > AMD Athlon X2 64bit dual core system. > > Any thoughts? What other information can I provide to help diagnose > and > hopefully solve this issue? > > Thanks! > > -- > Bill Arlofski > Reverse Polarity, LLC > http://www.revpol.com/ > > _______________________________________________ > Nut-upsuser mailing list > Nut-upsuser at lists.alioth.debian.org > http://lists.alioth.debian.org/mailman/listinfo/nut-upsuser