Jiri Slaby wrote:
Helge Deller napsal(a):
Jiri Slaby wrote:
On 11/02/2008 12:02 AM, Jiri Kosina wrote:
On Sat, 1 Nov 2008, Jiri Slaby wrote:
`stop' left out usbhid->urb* pointers and so the next `start' thought
it needs to allocate nothing and used the memory pointers previously
pointed to. This led to memory corruption and device malfunction.
[...]
could you please verify whether this patch fixes the corruption you
were experiencing?
btw. this is not expected to fix that, but if it does, the better ;).
I tried the patch and sadly it didn't fixed the parisc bug.
Could you bisect it?
I fully bisected it, and the final "buggy" patch seems to have been
Denys Vlasenko's patch: cb8f488c33539f096580e202f5438a809195008f
(see
http://github.com/jonsmirl/digispeaker/commit/cb8f488c33539f096580e202f5438a809195008f)
Denys: Any reason you removed "!prev" in front of "expand_stack" ? It
seems wrong to remove the prev-check, else it would crash in
expand_upwards(in the CONFIG_STACK_GROWSUP case).
This is parisc architecture (stack grows up, big-endian).
Sadly reverting just this patch, didn't fixed the bugzilla bug either:
http://bugzilla.kernel.org/show_bug.cgi?id=11913
I think I need to redo all of my bisecting again... sigh...
Helge
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