Date: Sat, 11 Sep 1999 01:13:49 +0900 From: IMAI Takeshi <take-i@ceres.dti.ne.jp> To: FreeBSD-gnats-submit@freebsd.org Subject: i386/13683: WinChip C6's TSC is broken. Message-ID: <14297.11837.223378.78879Z@cerse.dti.ne.jp>
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>Number: 13683 >Category: i386 >Synopsis: WinChip C6's TSC is broken. >Confidential: no >Severity: serious >Priority: medium >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Fri Sep 10 09:20:01 PDT 1999 >Closed-Date: >Last-Modified: >Originator: IMAI Takeshi >Release: FreeBSD 4.0-CURRENT i386 >Organization: >Environment: FreeBSD tsugumi 4.0-CURRENT FreeBSD 4.0-CURRENT #0: Sat Sep 4 15:56:09 JST 1999 root@tsugumi:/usr/src/sys/compile/TSUGUMI i386 >Description: System clock don't update, because C6's TSC stop count up when run HALT instruction. See more infomation C6 Processor data book <http://www.winchip.com/pdf/C6DS110.pdf>. >How-To-Repeat: >Fix: Index: identcpu.c =================================================================== RCS file: /ext/ncvs/current/src/sys/i386/i386/identcpu.c,v retrieving revision 1.73 diff -u -p -r1.73 identcpu.c --- identcpu.c 1999/08/28 00:43:44 1.73 +++ identcpu.c 1999/09/10 15:38:01 @@ -476,6 +476,7 @@ printcpuinfo(void) switch (cpu_id & 0xff0) { case 0x540: strcat(cpu_model, "WinChip C6"); + tsc_is_broken = 1; break; case 0x580: strcat(cpu_model, "WinChip 2"); >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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