From owner-freebsd-questions@FreeBSD.ORG Tue Jan 31 10:55:06 2012 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 045511065676 for ; Tue, 31 Jan 2012 10:55:05 +0000 (UTC) (envelope-from bblister@gmail.com) Received: from bigb5.homeftp.net (k2-pc243.koz.uowm.gr [83.212.19.243]) by mx1.freebsd.org (Postfix) with ESMTP id 73F328FC1D for ; Tue, 31 Jan 2012 10:55:04 +0000 (UTC) Received: from bigb5.homeftp.net (localhost [127.0.0.1]) by bigb5.homeftp.net (8.14.4/8.14.4) with ESMTP id q0VAVhSl087259 for ; Tue, 31 Jan 2012 12:31:44 +0200 (EET) (envelope-from bblister@gmail.com) X-DKIM: Sendmail DKIM Filter v2.8.3 bigb5.homeftp.net q0VAVhSl087259 Authentication-Results: bigb5.homeftp.net; dkim=none (no signature) header.i=unknown; x-dkim-adsp=none Received: (from root@localhost) by bigb5.homeftp.net (8.14.4/8.14.4/Submit) id q0VAVcmX087248 for freebsd-questions@freebsd.org; Tue, 31 Jan 2012 12:31:38 +0200 (EET) (envelope-from bblister@gmail.com) Date: Tue, 31 Jan 2012 12:31:38 +0200 From: BBLister To: freebsd-questions@freebsd.org Message-ID: <20120131103138.GA61881@bigb5.homeftp.net> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable User-Agent: Mutt/1.4.2.3i X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.2.6 (bigb5.homeftp.net [127.0.0.1]); Tue, 31 Jan 2012 12:31:44 +0200 (EET) X-Virus-Scanned: clamav-milter 0.97 at bigb5.homeftp.net X-Virus-Status: Clean X-Spam-Status: No, score=0.2 required=4.5 tests=ALL_TRUSTED, DKIM_ADSP_CUSTOM_MED,FREEMAIL_FROM,NML_ADSP_CUSTOM_MED autolearn=no version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on bigb5.homeftp.net Subject: Serial Console activation causes system freeze (8.2-Stable) X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 31 Jan 2012 10:55:06 -0000 Greetings, =CE=99 have followed the guide about setting up the serial console: http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/ppp-and-slip.html =CE=99 have done this many times with no problems to other servers. For the first time I have a very strange problem in this particular server:= =20 After seeing some kernel messages, =CE=99 see garbage characters, the machi= ne hangs completely and only a hard reset can be done.=20 The garbage characters appear just before the uart initilization. The last messages that I can see in the serial console: =2E... atapci2: port 0xa800-0xa807,0xa480-0xa48= 3,0xa400-0xa407,0xa080-0xa083,0xa000-0xa00f irq 18 at device 31.2 on pci0 atapci2: [ITHREAD] ata5: on atapci2 ata5: [ITHREAD] ata6: on atapci2 ata6: [ITHREAD] pci0: at device 31.3 (no driver attached) acpi_button0: on acpi0 atrtc0: port 0x70-0x71 irq 8 on acpi0 atkbdc0: port 0x60,0x64 irq 1 on acpi0 atkbd0: irq 1 on atkbdc0 kbd0 at atkbd0 atkbd0: [GIANT-LOCKED] atkbd0: [ITHREAD] =EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF= =BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF= =BD=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD =EF=BF=BD=EF=BF=BD?=EF=BF= =BD=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD =EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF= =BD =EF=BF=BD=EF=BF=BD?=EF=BF=BD =EF=BF=BD=EF=BF=BD?=EF=BF=BD =EF=BF=BD=EF= =BF=BD?M=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD/=EF=BF=BD=EF=BF=BD=EF=BF=BD~= =EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD/= =EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD~=EF=BF=BD=EF=BF=BD=EF=BF=BDM= =EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD/=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD= =EF=BF=BD~=EF=BF=BD=EF=BF=BD=EF=BF=BDM=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD= =EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF= =BF=BD{>=EF=BF=BD{>=EF=BF=BD?<=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD'=EF=BF= =BD=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD'=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF= =BD?<=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF= =BD=EF=BF=BD=EF=BF=BD=EF=BF=BD?u=EF=BF=BD=EF=BF=BDu=EF=BF=BD=EF=BF=BD=EF=BF= =BD=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD~^D =3D=3D> at this point the whole machine freezes! (notice that in the previous case the kernel hangs before any getty is initialized) If I disable the serial console in loader.conf and boot.config then I have = normal boot: =2E... atkbd0: [GIANT-LOCKED] atkbd0: [ITHREAD] uart0: <16550 or compatible> port 0x3f8-0x3ff irq 4 flags 0x10 on acpi0 uart0: [FILTER] uart1: <16550 or compatible> port 0x2f8-0x2ff irq 3 on acpi0 uart1: [FILTER] =2E... Details: FreeBSD unix3.icte.uowm.gr 8.2-STABLE FreeBSD 8.2-STABLE #1: Mon Jan 16 15:= 54:50 EET 2012 root@unix_2:/usr/obj/usr/src/sys/unix amd64 CPU: Intel(R) Xeon(TM) CPU 3.40GHz (3391.51-MHz K8-class CPU) Origin =3D "GenuineIntel" Id =3D 0xf4a Family =3D f Model =3D 4 Stepp= ing =3D 10 Features=3D0xbfebfbff Features2=3D0x649d AMD Features=3D0x20100800 AMD Features2=3D0x1 TSC: P-state invariant real memory =3D 8589934592 (8192 MB) avail memory =3D 8243875840 (7861 MB) ACPI APIC Table: FreeBSD/SMP: Multiprocessor System Detected: 4 CPUs FreeBSD/SMP: 2 package(s) x 1 core(s) x 2 HTT threads Please help me... Regards, BB