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    SubjectRe: Bounce buffer deadlock

    On Fri, 29 Jun 2001, Steve Lord wrote:
    >
    > Has anyone else seen a hang like this:
    >
    > bdflush()
    > flush_dirty_buffers()
    > ll_rw_block()
    > submit_bh(buffer X)
    > generic_make_request()
    > __make_request()
    > create_bounce()
    > alloc_bounce_page()
    > alloc_page()
    > try_to_free_pages()
    > do_try_to_free_pages()
    > page_launder()
    > try_to_free_buffers( , 2) -- i.e. wait for buffers
    > sync_page_buffers()
    > __wait_on_buffer(buffer X)

    Should be fixed in 2.4.6-pre8 (or pre7, for that matter).

    Linus

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