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http://bugs.freedesktop.org/show_bug.cgi?id=25634 Summary: [swfdec 0.9.2] Segmentation Fault, assertion 'SWFDEC_IS_AUDIO' failed Product: swfdec Version: unspecified Platform: x86-64 (AMD64) OS/Version: BSD (Others) Status: NEW Severity: normal Priority: medium Component:

Hi all I''m hacking on a netback trying to identify whether TLB flushes causes heavy performance penalty on Tx path. The hack is quite nasty (you would not want to know, trust me). Basically what is doesn''t is, 1) alter network protocol to pass along mfns instead of grant references, 2) when the backend sees a new mfn, map it RO and cache it in its own address space. With this