Messages in this thread | | | Date | Tue, 2 Jan 2007 11:20:54 +0000 | From | Christoph Hellwig <> | Subject | Re: [patch] fix data corruption bug in __block_write_full_page() |
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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 (cf20ebd8 b6a2c000 0) > pdflush-2006 0.... 6432909us+: trace_page (cf20ebd8 b6a2c000 4200420) > test-2126 0.... 8135596us+: trace_page (cf20ebd8 b6a2c000 4200420) > test-2126 0D... 9012933us+: do_page_fault (8048900 4 b6a2c000) > test-2126 0.... 9023278us+: trace_page (cf262f24 b6a2c000 0) > test-2126 0.... 9023305us > sys_prctl (000000d8 b6a2c000 000000ac)
This tracer definitly looks interesting. Could you send a splitout patch with it to lkml for review?
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