Date: Fri, 3 Jan 2003 13:40:28 -0500 (EST) From: Andrew Gallatin <gallatin@cs.duke.edu> To: idnopheq@comcast.net Cc: alpha@FreeBSD.ORG Subject: Re: NTFS mount on Alpha? Message-ID: <15893.55580.523216.783176@grasshopper.cs.duke.edu> In-Reply-To: <200301031330.08866.idnopheq@comcast.net> References: <200301031330.08866.idnopheq@comcast.net>
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Coffin, Dexter writes:
> Hey, All!
>
> Is it possible to mount an NTFS drive from FreeBSD 4.7-Stable on Alpha?
>
> I tried adding "options NTFS" to my kernel build file and rebuilt my kernel.
> No luck. I also tried "kldload ntfs". In both cases, I "mount_ntfs
> /dev/ad2s1 /ntfs" by hand, causing a kernel panic.
>
> <cite>
>
> fatal kernel trap:
>
> trap entry = 0x4 (unaligned access fault)
> a0 = 0xfffffe000123fc61
> a1 = 0x2d
> a2 = 0x1f
> pc = 0xfffffc00003fd6cc
> ra = 0xfffffc00003fdab8
> curproc = 0xfffffe000bae7540
> pid = 1151, comm = mount_ntfs
>
> panic: trap
>
> syncing disks... 3
>
> </cite>
>
> Anyone know of a particular incantation to use, or does NTFS just not work on
> Alpha?
It apparently doesn't work on anything but x86, if the above is any
indication.
> Should I submit a bug report?
If you do, submit a better bug report.
Build a debug kernel with ntfs and DDB built in (config -g), install
it (make install). Crash the machine with ntfs. When the machine
panics, you'll be at the ddb prompt: get a traceback from ddb:
ddb> trace
Write this down (or cut-n-paste from the serial console), and include
it in the bug report.
After rebooting, run gdb -k kernel.debug and list the pc and the ra
and include the line of code which causes the crash in the bug report:
Eg, (kgdb) l * 0xfffffc00003fd6cc
(kgdb) l * 0xfffffc00003fdab8
Even still, unless its something obvious, don't expect too much
action. I don't know of anybody with ntfs interest AND an alpha.
Drew
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