El día sábado, diciembre 30, 2017 a las 10:44:57p. m. +0200, Konstantin Belousov escribió:
> On Sat, Dec 30, 2017 at 09:03:17PM +0100, Matthias Apitz wrote:
> >
> > Hello,
> >
> > I've got an older Acer C720 with r314251, which was not booted for some
> > time,
> > and now panics on boot, also in single user mode, saying:
> >
> > ...
> > Dec 30 19:54:26 c720-r314251 kernel: ada0: Command Queueing enabled
> > Dec 30 19:54:26 c720-r314251 kernel: ada0: 244198MB (500118192 512 byte
> > sectors)
> > Dec 30 19:54:26 c720-r314251 kernel: WARNING: WITNESS option enabled,
> > expect reduced performance.
> > Dec 30 19:54:26 c720-r314251 kernel: Trying to mount root from
> > ufs:/dev/ada0p2 [rw,noatime]...
> > panic: invalid bcd 194
> > ...
> >
> > The message comes from
> >
> > $ find * -type f -exec fgrep "invalid bcd" {} /dev/null \;
> > sys/sys/libkern.h: ("invalid bcd %d", bcd));
> >
> > $ vim sys/sys/libkern.h
> > ...
> > #define LIBKERN_LEN_BCD2BIN 154
> > #define LIBKERN_LEN_BIN2BCD 100
> > #define LIBKERN_LEN_HEX2ASCII 36
> >
> > static inline u_char
> > bcd2bin(int bcd)
> > {
> >
> > KASSERT(bcd >= 0 && bcd < LIBKERN_LEN_BCD2BIN,
> > ("invalid bcd %d", bcd));
> > return (bcd2bin_data[bcd]);
> > }
> >
> > Any idea what could be damaged the system and what to do or check before
> > re-setup?
>
> Show the backtrace.
Thanks, here we have it as photo:
http://www.unixarea.de/download_238222137_147226.jpg
matthias
--
Matthias Apitz, ✉ g...@unixarea.de, ⌂ http://www.unixarea.de/ 📱
+49-176-38902045
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