Re: GDB problem on Debian ia64
Patrick,
Do you mean that your compiled kernel 3.7.0-rc3 fails to pass
test_accept4 [1]? Simply replace the __accept4 function call in the
do_test function with the accept4 syscall.
Émeric
[1] http://marc.info/?l=linux-ia64&m=132110749405138&w=2
2012/10/30 Patrick Baggett <baggett.patrick@gmail.com>:
> Also, in arch/ia64/kernel/entry.S, I see
>
> data8 sys_setns // 1330
> data8 sys_sendmmsg
> data8 sys_process_vm_readv
> data8 sys_process_vm_writev
> data8 sys_accept4
>
> So it appears that the accept4() system call is definitely present in
> upstream -- but it still doesn't work. :(
>
> Patrick
>
> On Tue, Oct 30, 2012 at 9:21 AM, Patrick Baggett <baggett.patrick@gmail.com>
> wrote:
>>
>> Stephan / Émeric,
>>
>> I compiled Linux 3.7.0-rc3 and installed GDB 7.4.1-3 (sid) -- doing "gdb
>> man" hits a breakpoint at 0x0000000000000000 just like he described. I'm not
>> sure if it is a kernel thing -- I just compiled mine from Linus's git
>> repository last night. I don't mind doing a little spelunking into the
>> kernel code though -- you think it might have to do with the accept4()
>> syscall? Any other hints? (For a second, I was about to write, "let's just
>> run GDB in GDB and then we can..." -- doh).
>>
>> Patrick
>>
>>
>> On Mon, Oct 29, 2012 at 3:11 PM, Émeric Maschino
>> <emeric.maschino@gmail.com> wrote:
>>>
>>> Hi Stephan,
>>>
>>> This vaguely reminds me something... Yes, back in February, while I
>>> was still chasing what in the end was missing accept4 syscall, I
>>> experienced a similar issue
>>> (http://lists.debian.org/debian-ia64/2012/01/msg00016.html). From this
>>> post, this was with linux-image-3.1.0-1-mckinley_3.1.8-2_ia64.deb
>>> Debian kernel. I don't remember the GDB version though (probably the
>>> one in Testing repository at this time) and I no more have the GDB
>>> core dump I'm talking about in this post :-(
>>>
>>> Kernel image and GDB currently in Testing repository
>>> (linux-image-mckinley-3.2+45 and gdb-7.4.1-3) work fine as I've just
>>> updated bug #642750
>>> (http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=642750) using such a
>>> configuration. Looking at my aptitude logs, gdb-7.4.1-1.1 was working
>>> fine too.
>>>
>>> Hope this helps,
>>>
>>> Émeric
>>>
>>>
>>> 2012/10/27 Stephan Schreiber <info@fs-driver.org>:
>>> > Hello to all,
>>> >
>>> > I just issued the Debian bugreport 691576
>>> > (http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=691576).
>>> >
>>> > Did you also experience the problem? Do you know more about that, for
>>> > example, working or failing combinations of GDB versions/Debian Kernels
>>> > on
>>> > ia64?
>>> >
>>> > Thanks in advance.
>>> >
>>> > Stephan Schreiber
>>> >
>>> >
>>> >
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>>> >
>>>
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>>
>
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