The following reply was made to PR kern/166071; it has been noted by GNATS.
From: "E.Richiardone" <e...@richiardone.eu> To: bug-follo...@freebsd.org, rnoll....@gmail.com Cc: Subject: Re: kern/166071: High CPU Utilization on HylaFAX processes Date: Tue, 15 Apr 2014 17:23:37 +0200 I noticed still this problem after upgrading to 10.0-RELEASE from a 8.4-STABLE on an HP DL380G5 and USRobotics USB modem. Upgraded all from binaries with freebsd-update and portupgrade. The problem is that /usr/local/sbin/faxgetty on /dev/cuaU0 is looping on a select() and consumes 100% of CPU when in idle. # uname -a FreeBSD xxx.local 10.0-RELEASE-p1 FreeBSD 10.0-RELEASE-p1 #0: Tue Apr 8 06:43:36 UTC 2014 r...@amd64-builder.daemonology.net:/usr/obj/usr/src/sys/GENERIC i386 # pkg info | grep hylafax hylafax-6.0.6_1 Fax software # ps -aux | grep getty uucp 1366 100.0 0.1 12480 3876 - R 3:32PM 90:07.56 /usr/local/sbin/faxgetty cuaU0 # top ... PID USERNAME THR PRI NICE SIZE RES STATE C TIME WCPU COMMAND 1366 root 1 103 0 12480K 3876K CPU1 1 105:27 100.00% faxgetty ... ktrace shows a loop on select() ... 1366 faxgetty 0.000003 CALL select(0x8,0xbfbfdce8,0xbfbfdc68,0xbfbfdbe8,0x80daf08) 1366 faxgetty 0.000004 RET select 1 1366 faxgetty 0.000003 CALL read(0x4,0xbfbfd36c,0x7ff) 1366 faxgetty 0.000003 RET read 0 1366 faxgetty 0.000003 CALL select(0x8,0xbfbfdce8,0xbfbfdc68,0xbfbfdbe8,0x80daf08) 1366 faxgetty 0.000004 RET select 1 1366 faxgetty 0.000003 CALL read(0x4,0xbfbfd36c,0x7ff) 1366 faxgetty 0.000003 RET read 0 1366 faxgetty 0.000004 CALL select(0x8,0xbfbfdce8,0xbfbfdc68,0xbfbfdbe8,0x80daf08) 1366 faxgetty 0.000004 RET select 1 1366 faxgetty 0.000003 CALL read(0x4,0xbfbfd36c,0x7ff) 1366 faxgetty 0.000003 RET read 0 1366 faxgetty 0.000004 CALL select(0x8,0xbfbfdce8,0xbfbfdc68,0xbfbfdbe8,0x80daf08) 1366 faxgetty 0.000003 RET select 1 ... Tried to recompile from ports but identical behaviour. -- E.Richiardone http://richiardone.eu _______________________________________________ freebsd-bugs@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-bugs To unsubscribe, send any mail to "freebsd-bugs-unsubscr...@freebsd.org"
