Re: 2.6.22-rc7: known regressions with patches v2

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To: Michal Piotrowski <michal.k.k.piotrowski@...>
Cc: David Woodhouse <dwmw2@...>, Linus Torvalds <torvalds@...>, Andrew Morton <akpm@...>, LKML <linux-kernel@...>, Adrian Bunk <bunk@...>, Patrick Caulfield <pcaulfie@...>, David Teigland <teigland@...>, <bluez-devel@...>, Marcel Holtmann <marcel@...>, Jiri Kosina <jkosina@...>, Dmitry Torokhov <dtor@...>
Date: Saturday, July 7, 2007 - 7:07 pm

On Sat, 7 Jul 2007, Michal Piotrowski wrote:


Hmmmm.. Cannot see the corruption in the dump since it only includes 128 
bytes and it seems to have occurred way into the object. If you want to 
dump 32k to your syslog to see the corruption then look at the 
print_trailer() function and change the parameter of the call to 
print_section

	print_section("Object", p, min(s->objsize, 128));


This is a 32k sized slab and SLAB does not allow debugging on power of two 
slabs > pagesize.... No surprise that SLAB does not complain.

What are these functions "malloc" and "free"? Would be good if those 
would be using kmalloc_track_caller() so that we can figure out who called 
them.


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Messages in current thread:
2.6.22-rc7: known regressions with patches v2, Michal Piotrowski, (Sat Jul 7, 12:06 pm)
Re: 2.6.22-rc7: known regressions with patches v2, David Woodhouse, (Sat Jul 7, 12:23 pm)
Re: 2.6.22-rc7: known regressions with patches v2, Michal Piotrowski, (Sat Jul 7, 12:59 pm)
Re: 2.6.22-rc7: known regressions with patches v2, Christoph Lameter, (Sat Jul 7, 7:07 pm)
Re: 2.6.22-rc7: known regressions with patches v2, Linus Torvalds, (Sat Jul 7, 7:38 pm)