Copying stable instead. .35 has it already, but 32-34 need it. -Andi
On Tue, Apr 26, 2011 at 02:23:17PM -0700, Andrew Morton wrote: > (cc Andi) > > On Tue, 26 Apr 2011 14:15:50 -0700 > Andrew Morton <[email protected]> wrote: > > > > > this person has a -longterm suggestion. > > > > > > Begin forwarded message: > > > > Date: Tue, 26 Apr 2011 11:46:06 GMT > > From: [email protected] > > To: [email protected] > > Subject: [Bugme-new] [Bug 33972] New: Bogus UDP Fragmentation Offload > > packet generation > > > > > > https://bugzilla.kernel.org/show_bug.cgi?id=33972 > > > > Summary: Bogus UDP Fragmentation Offload packet generation > > Product: Networking > > Version: 2.5 > > Kernel Version: 2.6.32.x > > Platform: All > > OS/Version: Linux > > Tree: Mainline > > Status: NEW > > Severity: high > > Priority: P1 > > Component: IPV4 > > AssignedTo: [email protected] > > ReportedBy: [email protected] > > Regression: Yes > > > > > > Created an attachment (id=55552) > > --> (https://bugzilla.kernel.org/attachment.cgi?id=55552) > > udp: Fix bogus UFO packet generation > > > > The new UFO software fallback path fails under certain conditions with NFS > > and > > causes partial connectivity loss due to generation of UFO packets smaller > > than > > the MTU, which are then discarded by the software fallback path. > > > > How to reproduce: copy a large file to an NFS mount with UFO enabled and > > going > > through the software fallback path, e.g. on a KVM guest with virtio-net and > > qdev device syntax: > > > > -device virtio-net-pci,netdev=tap1,mac=ab:cd:ef:01:23:45 \ > > -netdev type=tap,id=tap1,ifname=tap1 > > > > All NFS mounts immediately stall and processes go into D state, stuck > > on nfs_wait_bit_uninterruptible. There is no further communication between > > the client and the server. > > > > It has been fixed in 2.6.35-rc4 by Herbert Xu (patch for > > net/ipv4/ip_output.c > > attached). However, it's still not in 2.6.32.x longterm (as of 2.6.32.39). > > > > -- > > Configure bugmail: https://bugzilla.kernel.org/userprefs.cgi?tab=email > > ------- You are receiving this mail because: ------- > > You are on the CC list for the bug. > -- [email protected] -- Speaking for myself only. _______________________________________________ stable mailing list [email protected] http://linux.kernel.org/mailman/listinfo/stable
