Date: Wed, 04 Jun 2003 02:12:14 -0400 From: Donn Miller <dmmiller@cvzoom.net> To: Zbynek Houska <zhouska@cz.foxconn.com> Cc: current@freebsd.org Subject: Re: A possible bug? Message-ID: <3EDD8DBE.3070209@cvzoom.net> References: <bb2aj0$24go$1@FreeBSD.csie.NCTU.edu.tw>
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Zbynek Houska wrote: > Dear all, > > when I tryied to mount an iso image over network (using samba) my computer > unexpectedly crashed. > > I issued this command : mdconfig -a -t vnode -f > /path/to/my/file/mounted/on-local-machine > > and since that kernel crashed, no ping response, nothing at all. I've been > connected to this machine via ssh. > I use 5.0 RELEASE with GENERIC kernel on P3/1 Ghz, 128 MB RAM. > > It happens again when I issue same command and therefore I tryied to add > "dumpon=Yes" to my /etc/rc.conf, but nothing has been written to /var/crash. > So I enclose message from screen: > > Fatal trap 12 : page fault while in kernel mode > faukt virtual address = 0x0 > fault code = supervisor read, page not present > instruction pointer = 0x8:0xc1c50d4a > stack pointer = 0x10:0xcd1b8718 > frame pointer = 0x10:0xcd1b8738 > code segment = base 0x0, limit 0xfffff, type 0x1b > = DPL 0, pres 1, def31 1, gran 1 > processor eflags = interrupt enabled, resume,IOPL = 0 > current proccess = 549 (mdconfig) > trap number = 12 > panic:fault page I'm seeing the same thing with 5.1-RC1. Tried to mount an ISO image with mdconfig -a -t vnode -f isofile -u 0 and FreeBSD immediately panic-ed. The iso file resided on a samba mount, which I had mounted with mount_smbfs. I'll try cp-ing the file to my local UFS filesystem, and then try mdconfig, and see if I get the panic again.
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