--- On Sat, 3/28/09, Barney Cordoba <barney_cordoba_at_yahoo.com> wrote: > From: Barney Cordoba <barney_cordoba_at_yahoo.com> > Subject: Bus Resource busy panic > To: current_at_freebsd.org > Date: Saturday, March 28, 2009, 6:35 PM > I have a situation that results in a panic in 8 that runs > happily in 7. > Its a bus_alloc_resource of type SYS_RES_MEMORY that is > used by 2 > separate devices. > > I see there is an RF_SHAREABLE flag. That flag hadn't > been set, but is there > something in 8 that now requires it? > > As a side question, should a bus_alloc_resource call panic > the system just > because the resource is busy? > > Barney Some more info on this. The panic is in resource_list_alloc() and setting SHAREABLE doesn't fix it. I see the same code in 7 so I'm not sure why it would work in 7 and not 8. Basically there are 2 devices that need to do IO on a board, and they are both doing bus_alloc_resource_any(dev, SYS_RES_MEMORY,&rid, RF_ACTIVE); BarneyReceived on Sat Mar 28 2009 - 23:03:38 UTC
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