From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from cantor2.suse.de ([195.135.220.15]:55087 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751587AbaAWMuf (ORCPT ); Thu, 23 Jan 2014 07:50:35 -0500 Date: Thu, 23 Jan 2014 13:50:33 +0100 From: David Sterba To: Ben Hutchings Cc: Giorgos Pallas , 736227@bugs.debian.org, linux-btrfs@vger.kernel.org Subject: Re: Bug#736227: linux-headers-3.12-1-amd64: general protection fault when using aptitude Message-ID: <20140123125032.GL6498@twin.jikos.cz> Reply-To: dsterba@suse.cz References: <20140121090046.25804.36940.reportbug@localhost> <1390456022.3651.143.camel@deadeye.wl.decadent.org.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <1390456022.3651.143.camel@deadeye.wl.decadent.org.uk> Sender: linux-btrfs-owner@vger.kernel.org List-ID: On Thu, Jan 23, 2014 at 05:47:02AM +0000, Ben Hutchings wrote: > I'm sending this on to the btrfs developers to see if they can help. > > On Tue, 2014-01-21 at 11:00 +0200, Giorgos Pallas wrote: > [...] > > I just installed 3.12-amd64 stock kernel. It booted OK, I opened a konsole > > and just tried to installed the kernel headers. Just as aptitude tried to > > start downloading packages, I got: > > E: Method http has died unexpectedly! > > E: Sub-process http received a segmentation fault. > > and btrfs has crashed as seen in dmesg. > > > > It should be noted that I use btrfs without problems with 3.7-trunk-amd64 > > for almost a year. > [...] > > > [ 322.369569] RIP: 0010:[] [] memcpy+0x12/0x110 > > [ 322.370085] Call Trace: > > [ 322.370119] [] ? read_extent_buffer+0xc8/0x120 [btrfs] > > [ 322.370164] [] ? btrfs_get_extent+0x910/0x990 [btrfs] > > [ 322.370214] [] ? __do_readpage+0x398/0x780 [btrfs] > > [ 322.370256] [] ? btrfs_real_readdir+0x550/0x550 [btrfs] > > [ 322.370307] [] ? __extent_readpages.constprop.43+0x2d2/0x2f0 [btrfs] > > [ 322.370355] [] ? btrfs_real_readdir+0x550/0x550 [btrfs] > > [ 322.370406] [] ? extent_readpages+0x182/0x190 [btrfs] > > [ 322.370457] [] ? btrfs_real_readdir+0x550/0x550 [btrfs] > > [ 322.370499] [] ? kmem_getpages+0x15b/0x1a0 > > [ 322.370527] [] ? alloc_pages_current+0x9d/0x160 > > [ 322.370565] [] ? __do_page_cache_readahead+0x193/0x240 > > [ 322.370598] [] ? ondemand_readahead+0x14a/0x280 > > [ 322.370636] [] ? generic_file_aio_read+0x4a6/0x6f0 > > [ 322.370668] [] ? do_sync_read+0x57/0x90 > > [ 322.370701] [] ? vfs_read+0x94/0x160 > > [ 322.370726] [] ? SyS_read+0x43/0xa0 > > [ 322.370759] [] ? system_call_fastpath+0x16/0x1b Known issue, a patch will be ready soon https://bugzilla.kernel.org/show_bug.cgi?id=68411