Date: Sat, 30 Dec 2017 22:07:11 +0100 From: Matthias Apitz <guru@unixarea.de> To: freebsd-current@freebsd.org Subject: Re: panic: invalid bcd 194 Message-ID: <20171230210711.GA75976@c720-r314251>
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El d=C3=ADa s=C3=A1bado, diciembre 30, 2017 a las 10:44:57p. m. +0200, Kons=
tantin Belousov escribi=C3=B3:
> On Sat, Dec 30, 2017 at 09:03:17PM +0100, Matthias Apitz wrote:
> >=20
> > Hello,
> >=20
> > 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:
> >=20
> > ...
> > 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, e=
xpect reduced performance.
> > Dec 30 19:54:26 c720-r314251 kernel: Trying to mount root from ufs:/dev=
/ada0p2 [rw,noatime]...
> > panic: invalid bcd 194
> > ...
> >=20
> > The message comes from=20
> >=20
> > $ find * -type f -exec fgrep "invalid bcd" {} /dev/null \;
> > sys/sys/libkern.h: ("invalid bcd %d", bcd));
> >=20
> > $ vim sys/sys/libkern.h
> > ...
> > #define LIBKERN_LEN_BCD2BIN 154
> > #define LIBKERN_LEN_BIN2BCD 100
> > #define LIBKERN_LEN_HEX2ASCII 36
> >=20
> > static inline u_char
> > bcd2bin(int bcd)
> > {
> >=20
> > KASSERT(bcd >=3D 0 && bcd < LIBKERN_LEN_BCD2BIN,
> > ("invalid bcd %d", bcd));
> > return (bcd2bin_data[bcd]);
> > }
> >=20
> > Any idea what could be damaged the system and what to do or check before
> > re-setup?
>=20
> Show the backtrace.
Thanks, here we have it as photo: http://www.unixarea.de/download_238222137=
_147226.jpg
matthias
--=20
Matthias Apitz, =E2=9C=89 guru@unixarea.de, =E2=8C=82 http://www.unixarea.d=
e/ =F0=9F=93=B1 +49-176-38902045
Public GnuPG key: http://www.unixarea.de/key.pub
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