Date: Fri, 03 Mar 2006 01:19:26 +1100 From: Norberto Meijome <freebsd@meijome.net> To: FreeBSD Questions <freebsd-questions@freebsd.org>, freebsd-stable@freebsd.org Subject: Crash on smbfs umount? Message-ID: <4406FEEE.7080304@meijome.net>
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Hi, has anyone experienced this? I connected via a PPTP VPN to my office, mounted a SMB share (which actually resides on a linux-backed NAS running SAMBA 3) via : sudo mount_smbfs -I 10.168.100.17 -W xxxx //betom@eniac/Software /mnt/smb1 after using the share as usual, I issued sudo umount /mnt/smb1 ... after about 10 seconds, complete freeze...about 15 seconds later, laptop reboots by itself. Now I realise I had a kernel panic on smbiod0 : --- Mar 3 00:40:13 ayiin kernel: kernel trap 12 with interrupts disabled Mar 3 00:40:13 ayiin kernel: Mar 3 00:40:13 ayiin kernel: Mar 3 00:40:13 ayiin kernel: Fatal trap 12: page fault while in kernel mode Mar 3 00:40:13 ayiin kernel: fault virtual address = 0x0 Mar 3 00:40:13 ayiin kernel: fault code = supervisor read, page not present Mar 3 00:40:13 ayiin kernel: instruction pointer = 0x20:0xc0576180 Mar 3 00:40:13 ayiin kernel: stack pointer = 0x28:0xef3e6be4 Mar 3 00:40:13 ayiin kernel: frame pointer = 0x28:0xef3e6bec Mar 3 00:40:13 ayiin kernel: code segment = base 0x0, limit 0xfffff, type 0x1b Mar 3 00:40:13 ayiin kernel: = DPL 0, pres 1, def32 1, gran 1 Mar 3 00:40:13 ayiin kernel: processor eflags = resume, IOPL = 0 Mar 3 00:40:13 ayiin kernel: current process = 48864 (smbiod0) Mar 3 00:40:13 ayiin kernel: trap number = 12 Mar 3 00:40:13 ayiin kernel: panic: page fault Mar 3 00:40:13 ayiin kernel: Uptime: 12h6m45s Mar 3 00:40:13 ayiin kernel: Cannot dump. No dump device defined. Mar 3 00:40:13 ayiin kernel: Automatic reboot in 15 seconds - press a key on the console to abort --- I *think* I can reproduce this in the office too if I un-dock (i.e loose connectivity to the server) and unmount the share. I'm running $ uname -a FreeBSD ayiin.xxxx 6.1-PRERELEASE FreeBSD 6.1-PRERELEASE #3: Mon Feb 27 23:38:18 EST 2006 root@ayiin.xxx:/usr/obj/usr/src/sys/AYIIN i386 $ mount_smbfs -v mount_smbfs: version 1.1.0 samba-3.0.21b,1 A free SMB and CIFS client and server for UNIX samba-libsmbclient-3.0.21b Shared libs from the samba package any ideas on this issue would be greatly appreciated. Thanks!! Beto
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