Re: [squid-users] COSS causing squid Segment Violation on FreeBSD 6.2S

On Thu, 26 Apr 2007, Adrian Chadd wrote:

> On Thu, Apr 26, 2007, Mark Powell wrote:
>> On Thu, 26 Apr 2007, Adrian Chadd wrote:
>> (gdb) frame 2
>> #2 0x080e729f in aioCheckCallbacks (SD=0x82bb000) at aufs/async_io.c:319
>> 319 done_handler(ctrlp->fd, their_data, ctrlp->bufp,
>> (gdb) print *ctrlp
>> $4 = {next = 0x0, fd = 21, operation = 1, done_handler = 0,
>> done_handler_data = 0x0, result = {aio_return = -1, aio_errno = 22, _data
>> = 0x8c3ad00, data = 0x8c389c0}, len = 761, bufp = 0x8d09800 "",
>> free_func = 0, node = {data = 0x8c389c0, prev = 0x0, next = 0x0}}
>> (gdb)
>
> .. now we're getting somewhere. I guess the stuff in the stack frame for
> the COSS relocation pending completion is busted due to optimisation.
>
> Ok, whats errno 22 on your platform? On my freebsd 6.2 box:
>
> #define EINVAL 22 /* Invalid argument */

It's the same here :)

> So there's two things; why is there a problem, and why is the object relocate
> code handling said error so badly? It looks like the ctrlp doesn't have
> the object offse for some reason, which is slightly annoying.
> There's onlly a couple of things that can go wrong with readp() that
> returns EINVAL..

What does all this mean to me? :)
   Would using the functions from the kernel aio module make any
difference? If so, how would I get the port to use them? I see you are the
port maintainer too :)
   Many thanks.

-- 
Mark Powell - UNIX System Administrator - The University of Salford
Information Services Division, Clifford Whitworth Building,
Salford University, Manchester, M5 4WT, UK.
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