Date: Tue, 16 Oct 2007 20:35:44 GMT From: Oles Hnatkevych <don_oles@able.com.ua> To: freebsd-gnats-submit@FreeBSD.org Subject: kern/117256: kgdb: cannot read PTD Message-ID: <200710162035.l9GKZiWU022839@www.freebsd.org> Resent-Message-ID: <200710162040.l9GKe1Pp016771@freefall.freebsd.org>
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>Number: 117256 >Category: kern >Synopsis: kgdb: cannot read PTD >Confidential: no >Severity: serious >Priority: low >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Tue Oct 16 20:40:01 UTC 2007 >Closed-Date: >Last-Modified: >Originator: Oles Hnatkevych >Release: 6.2-STABLE >Organization: >Environment: FreeBSD murzik.oles.net 6.2-STABLE FreeBSD 6.2-STABLE #2: Mon Oct 15 16:10:24 EEST 2007 root@murzik.oles.net:/usr/src/sys/i386/compile/MURZIK i386 >Description: I have box crashing when using fusefs ntfs module. But the problem is that kgdb can not read coredump: murzik:root# kgdb kernel.debug /var/crash/vmcore.0 kgdb: cannot read PTD murzik:root# more info.0 Dump header from device /dev/ad0s1b Architecture: i386 Architecture Version: 2 Dump Length: 1610158080B (1535 MB) Blocksize: 512 Dumptime: Tue Oct 16 23:08:55 2007 Hostname: murzik.oles.net Magic: FreeBSD Kernel Dump Version String: FreeBSD 6.2-STABLE #2: Mon Oct 15 16:10:24 EEST 2007 root@murzik.oles.net:/usr/src/sys/i386/compile/MURZIK Panic String: page fault Dump Parity: 626449165 Bounds: 0 Dump Status: good murzik:root# file vmcore.0 vmcore.0: ELF 32-bit LSB core file Intel 80386, invalid version (embedded) If we can not debug the kernel we can not fix crash bugs! >How-To-Repeat: mount_ntfs-3g /dev/da0s1 /mnt cd /mnt mv some-file /root/ >Fix: >Release-Note: >Audit-Trail: >Unformatted:
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