Re: [patch] fix data corruption bug in __block_write_full_page()

2007-01-02 Thread Christoph Hellwig
On Tue, Jan 02, 2007 at 01:06:34PM +0100, Ingo Molnar wrote: > Find it below - it's ontop of the tracer included in 2.6.20-rc2-rt3. > it's very ad-hoc, based on Linus' test utility. I can write such a > tracer in 30 minutes so i usually throw them away. I literally wrote > dozens of tracer varia

Re: [patch] fix data corruption bug in __block_write_full_page()

2007-01-02 Thread Ingo Molnar
[Cc:-ed lkml] * Christoph Hellwig <[EMAIL PROTECTED]> wrote: > On Fri, Dec 29, 2006 at 01:19:46PM +0100, Ingo Molnar wrote: > > i've extended the tracer in -rt to trace all relevant pagetable, > > pagecache, buffer-cache and IO events and coupled the tracer to your > > test.c code. The corrupt

Re: [patch] fix data corruption bug in __block_write_full_page()

2007-01-02 Thread Christoph Hellwig
On Fri, Dec 29, 2006 at 01:19:46PM +0100, Ingo Molnar wrote: > i've extended the tracer in -rt to trace all relevant pagetable, > pagecache, buffer-cache and IO events and coupled the tracer to your > test.c code. The corruption happens here: > > test-2126 0 3756170us+: trace_page (cf20