On Monday, June 23, 2014 9:44:08 am John-Mark Gurney wrote:
> So, when I try to eject a ESATA card, the machine panics... I am able
> to successfully eject other cards, an ethernet (re) and a serial card
> (uart), and both handle the removal of their device w/o issue and with
> out crashes...
>
> When I try w/ ahci, I get a panic... The panic backtrace is:
> #8 0xffffffff80ced4e2 in calltrap () at
../../../amd64/amd64/exception.S:231
> #9 0xffffffff8093d037 in rman_get_rid (r=0xfffff800064c9380)
> at ../../../kern/subr_rman.c:979
> #10 0xffffffff8092b888 in resource_list_release_active
(rl=0xfffff80006d39c08,
> bus=0xfffff80002cd9000, child=0xfffff80006b6d700, type=3)
> at ../../../kern/subr_bus.c:3419
> #11 0xffffffff8065d7a1 in pci_child_detached (dev=0xfffff80002cd9000,
> child=0xfffff80006b6d700) at ../../../dev/pci/pci.c:4133
> ---Type <return> to continue, or q <return> to quit---
> #12 0xffffffff80929708 in device_detach (dev=0xfffff80006b6d700)
> at bus_if.h:181
> #13 0xffffffff8065f9f7 in pci_delete_child (dev=0xfffff80002cd9000,
> child=0xfffff80006b6d700) at ../../../dev/pci/pci.c:4710
>
> In frame 9:
> (kgdb) fr 9
> #9 0xffffffff8093d037 in rman_get_rid (r=0xfffff800064c9380)
> at ../../../kern/subr_rman.c:979
> 979 return (r->__r_i->r_rid);
> (kgdb) print r
> $1 = (struct resource *) 0xfffff800064c9380
> (kgdb) print/x *r
> $4 = {__r_i = 0xdeadc0dedeadc0de, r_bustag = 0xdeadc0dedeadc0de,
> r_bushandle = 0xdeadc0dedeadc0de}
>
> So, looks like something is corrupted the resource data...
This is the malloc junking on free. However, I wonder if the
problem is that the resource was freed without being properly
cleared from the resource_list in the PCI ivars. Is this with local
patches that you have?
--
John Baldwin
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