Date: Thu, 4 Jun 2009 23:21:38 +0200 From: David Naylor <naylor.b.david@gmail.com> To: freebsd-current@freebsd.org Cc: kib@freebsd.org Subject: __getcwd panics [lock held] (r193174, r193186) Message-ID: <200906042321.44624.naylor.b.david@gmail.com>
next in thread | raw e-mail | index | archive | help
--nextPart4770535.LtA2o8KX1g Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline Hi, A recent change (r193174, r193186) in vfs_cache has been causing __getcwd t= o=20 panic the system. The panic appears to trigger when I try install lang/ezm= 3=20 (with other things also happening). =2D- hand copied --- System call _getcwd returning with the following locks held: shared rw Name Cache (Name Cache) r =3D 0 (0xc0eced7c) locked=20 @ /usr/src/sys/kern/vfs_cache.c:1104 panic: witness_warn =2D-- above reproducible --- cpuid =3D 2 KDB: enter: panic [thread pid 23322 tid 100190 ] Stopped at kdb_enter+0x3a: movl $0, kdb_why db> cont Uptime 20m35s Physical memory: 3055 MB Dumping 271 MB: 256 240 224panic: bufwrite: buffer is not busy??? cpuid =3D 0 KDB: enter: panic [thread pid 25 tid 100055 ] Stopped at kdb_enter+0x3a: movl $0, kdb_why db> cont Uptime: 20m36s Automatic reboot in 15 seconds - press a key on the console to abort Rebooting... cpu_reset: Stopping other CPUs =2D-- systems hangs here, does nothing else --- =2D-- hard reset --- I reverst the change (and r193175) and the panic 'disappeared'. =20 Willing to test patches. =20 Regards, David --nextPart4770535.LtA2o8KX1g Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part. -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.9 (FreeBSD) iEYEABECAAYFAkooOugACgkQUaaFgP9pFrKvzQCaAxe+CLCNABQSEzgnBOZTJjWD p/kAn1vEc4RuK9W8Twya9Dv94ce5mgrY =KxKp -----END PGP SIGNATURE----- --nextPart4770535.LtA2o8KX1g--
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?200906042321.44624.naylor.b.david>