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Date:      Sun, 1 Mar 2015 16:55:59 -0700
From:      Warner Losh <imp@bsdimp.com>
To:        Brett Wynkoop <freebsd-arm@wynn.com>
Cc:        freebsd-arm@freebsd.org
Subject:   Re: crash on writing usbstick
Message-ID:  <1DC8221F-64EA-418C-8CE5-5FFA4F3DBC64@bsdimp.com>
In-Reply-To: <20150301184456.7b5e6487@ivory.wynn.com>
References:  <20150301041855.5352663e@ivory.wynn.com> <20150301144653.63b38cdf@ivory.wynn.com> <20150301184456.7b5e6487@ivory.wynn.com>

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Your filesystem looks messed up. Panics are likely to haunt you. =
You=E2=80=99ll
need to newfs it and reload the data.

Also, it would be great if you could type =E2=80=98tr=E2=80=99 to the =
db> prompt to get a
call stack traceback. That would be quite helpful.

Warner


> On Mar 1, 2015, at 4:44 PM, Brett Wynkoop <freebsd-arm@wynn.com> =
wrote:
>=20
> Ok another set of data points.
>=20
> This time /export had softupdates enabled and I was using rsync again.
>=20
>=20
> login: mode =3D 040402, inum =3D 1376402, fs =3D /export
> panic: ffs_valloc: dup alloc
> KDB: enter: panic
> [ thread pid 1216 tid 100094 ]
> Stopped at      $d.7:   ldrb    r15, [r15, r15, ror r15]!
> db>
>=20
> Since some folks think having growfs enabled is the problem and since
> my root filesystem does not need to grow I will turn it off for the
> next trial.
>=20
> I do think there is a real bug here that we need to sort out.
>=20
> Interesting....while writing the above I rebooted the system and with
> no activity shortly after it booted I got a panic on /export again:
>=20
> FreeBSD/arm (beaglebone.wynn.com) (ttyu0)
>=20
> login: dev=3Dgpt/bbexport, bno =3D 1724849353, bsize =3D 32768, size =3D=
 32768,
> fs =3D /export
> panic: ffs_blkfree_cg: bad size
> KDB: enter: panic
> [ thread pid 789 tid 100087 ]
> Stopped at      $d.7:   ldrb    r15, [r15, r15, ror r15]!
> db>
>=20
>=20
> This is a very real bug!
>=20
> -Brett
>=20
> --
>=20
> wynkoop@wynn.com               =
http://prd4.wynn.com/wynkoop/pgp-keys.txt
> 917-642-6925
> 929-272-0000
>=20
> A free people ought to be armed. - George Washington
>=20
> _______________________________________________
> freebsd-arm@freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-arm
> To unsubscribe, send any mail to "freebsd-arm-unsubscribe@freebsd.org"


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