Date: Mon, 30 Sep 2013 03:29:12 +0000 From: Miguel Clara <miguelmclara@gmail.com> To: freebsd-jail@freebsd.org Subject: Panic Freebsd 9.1 using "export jail_plex_geek_lan_zfs_datasets" Message-ID: <CADGo8CW6yX4PuwgaHfhEyPE=Vep6D-FVQDAjQRKdgc3f=_asYA@mail.gmail.com>
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I'm trying to get a zfs dataset visible inside a jail But when I used the flag: export jail_plex_geek_lan_zfs_datasets="tank/Downloads" And restart the jail the server rebooted, in the next boot I can see then panic: Script /usr/local/etc/rc.d/ezjail running Fatal trap 12: page fault while in kernel mode cpuid = 0; apic id = 00 fault virtual address = 0x0 fault code = supervisor read instruction, page not present instruction pointer = 0x20:0x0 stack pointer = 0x28:0xffffff812aced940 frame pointer = 0x28:0xffffff812aced9f0 code segment = base 0x0, limit 0xfffff, type 0x1b = DPL 0, pres 1, long 1, def32 0, gran 1 processor eflags = interrupt enabled, resume, IOPL = 0 current process = 1716 (zfs) trap number = 12 panic: page fault cpuid = 1 KDB: stack backtrace: #0 0xffffffff809889b6 at kdb_backtrace+0x66 #1 0xffffffff8094f2ce at panic+0x1ce #2 0xffffffff80d038e0 at trap_fatal+0x290 #3 0xffffffff80d03c41 at trap_pfault+0x211 #4 0xffffffff80d041f4 at trap+0x344 #5 0xffffffff80ced4e3 at calltrap+0x8 #6 0xffffffff808367db at devfs_ioctl_f+0x7b #7 0xffffffff8099b3f6 at kern_ioctl+0x106 #8 0xffffffff8099b63d at sys_ioctl+0xfd #9 0xffffffff80d0308a at amd64_syscall+0x5ea #10 0xffffffff80ced7c7 at Xfast_syscall+0xf7 Uptime: 7m36s Automatic reboot in 15 seconds - press a key on the console to abort Rebooting... cpu_reset: Restarting BSP cpu_reset_proxy: Stopped CPU NOTE: This is a FreeBSD Xen DomU % uname -a FreeBSD c3po.geek.lan 9.1-STABLE FreeBSD 9.1-STABLE #0: Tue Jul 23 17:49:39 UTC 2013 root@c3po:/usr/obj/usr/src/sys/XENHVM amd64 After booting in single user and removing the flag I was able to boot normaly and start the jails! I can use mount_nullfs to see the zfs filesystem inside the jail, but I still would like to know why I get the panic! I'm also not sure whats the best way to make zfs datasets visible inside a jail... should simply use mount_nullfs? Thanks
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