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    SubjectRe: [bug] SCSI/SLUB - latest -git: WARNING: at mm/slub.c:2443 kmem_cache_destroy, scsi_put_host_cmd_pool()

    * James Bottomley <> wrote:

    > Thanks ... it looks like we may have trouble from devices that alter
    > the unchecked isa dma flag after scsi_host_alloc. The guilty parties
    > appear to be gdth, eata, u14-34f, ultrastor, BusLogic and advansys.
    > The trouble is that if you alloc the host with it one way and free it
    > with it the other, the wrong freelist is used and the ref counts are
    > invalid.
    > Try this pseudo fix: it avoids allocating the freelist until add time
    > (by which time they should all have fixed the flag). It still doesn't
    > change the fact that the host is allocated in the wrong region, but
    > that shouldn't matter too much.

    ok - do you intend to push this pseudo-fix upstream? If yes then please
    consider it fixed as far as i'm concerned - i'll re-reply if the warning
    resurfaces (it wasnt lethal to the bootup otherwise). Or if you've got
    some other approach/fix then i can test that too.


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