On Sat, Sep 29, 2007 at 02:53:23PM -0400, Chris Ross wrote: > Any idea where the scsipi_xfer gets allocated or "hand-crafted" in > the cmd_c before esiop_cmd_end() is called? sys/dev/scsipi/sd.c:1560 It has XS_CTL_NOSLEEP|XS_CTL_POLL set in xs_control and I think in this case the callout should not be touched. Martin