From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755970Ab1JQOby (ORCPT ); Mon, 17 Oct 2011 10:31:54 -0400 Received: from shadbolt.e.decadent.org.uk ([88.96.1.126]:45539 "EHLO shadbolt.e.decadent.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755760Ab1JQObw (ORCPT ); Mon, 17 Oct 2011 10:31:52 -0400 Subject: Re: Bug#645366: [fuse-devel] Hang and suspend failure after FUSE server killed (3.1-rc7) From: Ben Hutchings To: Miklos Szeredi , 645366@bugs.debian.org Cc: fuse-devel@lists.sourceforge.net, "brian m. carlson" , rjw@sisk.pl, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org Date: Mon, 17 Oct 2011 15:31:28 +0100 In-Reply-To: <87ty77lmts.fsf@tucsk.pomaz.szeredi.hu> References: <20111014225213.GA5705@crustytoothpaste.ath.cx> <1318824752.3340.7.camel@deadeye> <87ty77lmts.fsf@tucsk.pomaz.szeredi.hu> Content-Type: multipart/signed; micalg="pgp-sha512"; protocol="application/pgp-signature"; boundary="=-rppxT0+r4Yr1jotFdNZx" X-Mailer: Evolution 3.0.3- Message-ID: <1318861889.3340.23.camel@deadeye> Mime-Version: 1.0 X-SA-Exim-Connect-IP: 2001:470:1f08:1539:21c:bfff:fe03:f805 X-SA-Exim-Mail-From: ben@decadent.org.uk X-SA-Exim-Scanned: No (on shadbolt.decadent.org.uk); SAEximRunCond expanded to false Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --=-rppxT0+r4Yr1jotFdNZx Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Mon, 2011-10-17 at 16:22 +0200, Miklos Szeredi wrote: > Ben Hutchings writes: >=20 > > On Fri, 2011-10-14 at 22:52 +0000, brian m. carlson wrote: > >> Package: linux-2.6 > >> Version: 3.1.0~rc7-1~experimental.1 > >> Severity: normal > >>=20 > >> This morning I was backing up my laptop to another computer via sshfs > >> (and fuse). The afio archiver was writing to this sshfs-mounted > >> location. I decided to abort the operation with Ctrl-C, which caused > >> the sshfs mount to become unmounted; however, afio was apparently not > >> affected by the SIGINT (probably because processes in disk IO are > >> unkillable). > >>=20 > >> Several hours later, I attempted to suspend my computer and it failed = to > >> do so. The kernel log (attached) indicated that the afio process from > >> hours before was preventing the suspend. Since processes waiting on > >> disk IO are unkillable (IMO a bug) and the underlying device to which > >> afio was writing was long gone, I was forced to reboot the machine in > >> order to get it to suspend. If I had not noticed that the machine had > >> failed to suspend, it could have stayed running in my bag and seriousl= y > >> overheated. > > > > This seems to be a bug in FUSE. Is this known about? If not, could > > someone look into this? >=20 > It's a bug in the fuse-freezer interaction. Yes, it is known. [...] But the FUSE server was already killed; shouldn't that cause outstanding requests to fail immediately? Ben. --=20 Ben Hutchings No political challenge can be met by shopping. - George Monbiot --=-rppxT0+r4Yr1jotFdNZx Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iQIVAwUATpw8QOe/yOyVhhEJAQql9hAApQL4gSZlw4KphZbtNioMKXPQihX+RRGY 2//CQJKF9EaWCARG/xctQwBrcBKpc3aCpub4anZoXSLwdEre4/yzcO13iYZv6Bye h32Z6HY1KuHLkOyKmF6lYgZspdL+6aiNF7qC5rnRcuZh9VnDvbDhcCcWEi1FDp7h DSbtKtrVAKavZxmdw8qQh7KSYRqIDWJ8xbBRQ+RUbN3zUxBMdQFyg5jfaGI8yDaa p3Ygnc8pcv8T6fU7xSIBnZCBwnKx1yianpQV7eGhfF1JD5g5UVrvH0s+PLRyz8V2 fb8W7/GotWtRDUGjtAkwGc/C2A2CcMNfP2U0vHMaLBB6m8JKK0epqq9dNn8lE/yl dypW+V0If9vqt3wiL30h6DKdAw+B5MGvpFDFYR+Fc/N5uFNLlb7yOmncVHMzwSVr WOFWjm/Dy79kbiosWGpNPGgC7n+PUzN072a/vJNi+glsyOoYRnw3t7Bg61Eyf6xA Shi6eWpUziKMQ9aAZopzTyN80oH1l93UmenWtE3M4BrDBYVDYT5vHKIYb0pzNtxn 2vmLv8LhoKFxod9dG9oQojK+qYEqKm0IkxqflWIrpOxegcJk6MCj/XyACSGB6Hvq vvKa+Kmkhlcq3sXcA+X+hFhjmHWsy6EkCbVi7Y6bbmxEPzhQ8PuuaAms/qoM0dBv aI7qv8wPP5g= =GB4c -----END PGP SIGNATURE----- --=-rppxT0+r4Yr1jotFdNZx--