Date: Thu, 30 Aug 2001 20:23:00 -0700 (PDT) From: Cheng-hui Pu <b89902071@ms89.ntu.edu.tw> To: freebsd-gnats-submit@FreeBSD.org Subject: kern/30230: md cannot Message-ID: <200108310323.f7V3N0w19906@freefall.freebsd.org>
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>Number: 30230 >Category: kern >Synopsis: md cannot >Confidential: no >Severity: serious >Priority: low >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Thu Aug 30 20:30:00 PDT 2001 >Closed-Date: >Last-Modified: >Originator: Cheng-hui Pu >Release: FreeBSD 4.4-RC #0: Fri Aug 31 07:45:10 CST 2001 >Organization: >Environment: FreeBSD dinocookie.dyndns.org 4.4-RC FreeBSD 4.4-RC #0: Fri Aug 31 07:45:10 CST 2001 sharity@dinocookie.dyndns.org:/usr/src/sys/compile/eyes i386 >Description: "md" always hangs when its capacity up to some limit. Timecounter "i8254" frequency 1193182 Hz CPU: AMD Duron(tm) Processor (750.03-MHz 686-class CPU) Origin = "AuthenticAMD" Id = 0x631 Stepping = 1 Features=0x183f9ff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,SEP,MTRR,PGE,MCA,CMOV,PA T,PSE36,MMX,FXSR> AMD Features=0xc0440000<<b18>,AMIE,DSP,3DNow!> real memory = 1073676288 (1048512K bytes) avail memory = 1041395712 (1016988K bytes) >How-To-Repeat: kernel: options MD_NSECT=786432 options NO_SWAPPING dd if=/dev/zero of=/usr/tmp/diskimage bs=512 count=786432 vnconfig -s labels -c vn0 /usr/tmp/diskimage disklabel -r -w vn0 auto newfs vn0cunconfig -u vn0 dd if=/usr/tmp/diskimage of=/dev/md0 mount /dev/md0c /mnt cp -R /usr/src /mnt ...... (after seconds, the process cp hangs...) "df" shows that md0c always hangs within 100MB ~ 70MB. "vmstat" shows that the system still has about 200MB free memory. >Fix: >Release-Note: >Audit-Trail: >Unformatted: To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-bugs" in the body of the message
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