Messages in this thread | | | Date | Mon, 18 Nov 2002 10:34:23 -0800 (PST) | From | Davide Libenzi <> | Subject | Re: unusual scheduling performance |
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On Mon, 18 Nov 2002, Andrew Morton wrote:
> Dave Hansen wrote: > > > > ... > > rwsem_down_write_failed: 133 133 > > Possible culprit. > > Please stick a dump_stack() in rwsem_down_write_failed(), and add the below. > Suggest you stick with 2.5.47 to diagnose this. The loss of kksymoops > is a pain. > > > fs/eventpoll.c | 2 ++ > 1 files changed, 2 insertions(+) > > --- 25/fs/eventpoll.c~hey Mon Nov 18 10:13:40 2002 > +++ 25-akpm/fs/eventpoll.c Mon Nov 18 10:14:01 2002 > @@ -328,6 +328,8 @@ void eventpoll_release(struct file *file > if (list_empty(lsthead)) > return; > > + printk("hey!\n"); > +
Andrew, if you don't use epoll there's no way you get there. The function eventpoll_file_init() initialize the list at each file* init in fs/file_table.c If you're not using epoll and you get there, someone is screwing up the data inside the struct file
- Davide
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