On Tue, Feb 19 2008, KAMEZAWA Hiroyuki wrote: > On Tue, 19 Feb 2008 09:36:34 +0100 > Jens Axboe <[EMAIL PROTECTED]> wrote: > > > On Tue, Feb 19 2008, KAMEZAWA Hiroyuki wrote: > > > On Sun, 17 Feb 2008 20:29:13 +0100 > > > Jens Axboe <[EMAIL PROTECTED]> wrote: > > > > > > > It's odd stuff. Could you perhaps try and add some printks to > > > > block/cfq-iosched.c:call_for_each_cic(), like dumping the 'nr' return > > > > from radix_tree_gang_lookup() and the pointer value of cics[i] in the > > > > for() loop after the lookup? > > > > > > > I met the same issue on ia64/NUMA box. > > > seems cisc[]->key is NULL and index for radix_tree_gang_lookup() was > > > always '1'. > > > > Why does it keep repeating then? If ->key is NULL, the next lookup index > > should be 1UL. > > > > But I think the radix 'scan over entire tree' is a bit fragile. This > > patch adds a parallel hlist for ease of properly browsing the members, > > does that work for you? It compiles, but I haven't booted it here yet... > > > Works well for me and my box booted !
Super, I'll get it upstream. Thanks for testing and debugging! -- Jens Axboe _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev
