On Thu, 2013-08-01 at 21:51 -0700, Steve Hodgson wrote:
> This patch also fixes the issue for me: ftrace works fine across module
> removal.
>
> Sorry for being a little slow in testing this.
>
No problem. Thanks for testing :-)
-- Steve
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On Tue, Jul 30, 2013 at 5:51 PM, Steven Rostedt wrote:
> On Sat, 2013-07-27 at 12:16 -0700, Steve Hodgson wrote:
>
>> This patch fixes ftrace across module removal/reinsertion on our 3.6.11
>> kernel.
>
> I found a few corner cases that this patch doesn't work with, and the
> solution is just get
On Sat, 2013-07-27 at 12:16 -0700, Steve Hodgson wrote:
> This patch fixes ftrace across module removal/reinsertion on our 3.6.11
> kernel.
I found a few corner cases that this patch doesn't work with, and the
solution is just getting uglier and uglier.
I found a new solution that seems to hand
On Thu, Jul 25, 2013 at 8:23 PM, Steven Rostedt wrote:
> On Thu, 2013-07-25 at 14:59 -0400, Steven Rostedt wrote:
>
>> Now that I know what's the problem, it shouldn't be too hard to fix.
>
> It was a bit more involved to fix than I expected. I don't like the fact
> that if you filter on only modu
On Thu, 2013-07-25 at 14:59 -0400, Steven Rostedt wrote:
> Now that I know what's the problem, it shouldn't be too hard to fix.
It was a bit more involved to fix than I expected. I don't like the fact
that if you filter on only module functions and remove that module, you
now remove the filter an
On Wed, 2013-07-24 at 22:46 -0700, Steve Hodgson wrote:
> No, nothing so complicated.
>
> I added symbols from a kernel module into
> /sys/kernel/debug/tracing/set_ftrace_filter, enabled tracing, then
> unloaded the kernel module.
>
> Which I'll admit is a stupid thing to do. I was then punished
On Wed, Jul 24, 2013 at 6:24 PM, Steven Rostedt wrote:
>
> On Wed, 2013-07-24 at 12:04 -0400, Jörn Engel wrote:
> > On Fri, 5 July 2013 10:53:54 -0400, Steven Rostedt wrote:
> > >
> > > Can you find an easy reproducer for this?
> >
> > We might have found something:
> >
> > Jul 23 19:00:59 [28253.
On Wed, 2013-07-24 at 12:04 -0400, Jörn Engel wrote:
> On Fri, 5 July 2013 10:53:54 -0400, Steven Rostedt wrote:
> >
> > Can you find an easy reproducer for this?
>
> We might have found something:
>
> Jul 23 19:00:59 [28253.487058,08] WARNING: at kernel/trace/ftrace.c:1529
> __ftrace_hash_rec_
On Fri, 5 July 2013 10:53:54 -0400, Steven Rostedt wrote:
>
> Can you find an easy reproducer for this?
We might have found something:
Jul 23 19:00:59 [28253.487058,08] WARNING: at kernel/trace/ftrace.c:1529
__ftrace_hash_rec_update+0x1e3/0x230()
Jul 23 19:00:59 [28253.487203,08] Pid: 20903, co
On Fri, Jul 05, 2013 at 10:53:54AM -0400, Steven Rostedt wrote:
> On Fri, 2013-07-05 at 10:26 -0400, Dave Jones wrote:
> > WARNING: at kernel/trace/ftrace.c:1605
> > __ftrace_hash_rec_update.part.37+0x20a/0x240()
> > Modules linked in: sctp libcrc32c snd_seq_dummy fuse tun rfcomm bnep
> > sc
On Fri, 2013-07-05 at 10:26 -0400, Dave Jones wrote:
> WARNING: at kernel/trace/ftrace.c:1605
> __ftrace_hash_rec_update.part.37+0x20a/0x240()
> Modules linked in: sctp libcrc32c snd_seq_dummy fuse tun rfcomm bnep
> scsi_transport_iscsi hidp nfnetlink can_bcm irda caif_socket nfc caif netrom
> c
WARNING: at kernel/trace/ftrace.c:1605
__ftrace_hash_rec_update.part.37+0x20a/0x240()
Modules linked in: sctp libcrc32c snd_seq_dummy fuse tun rfcomm bnep
scsi_transport_iscsi hidp nfnetlink can_bcm irda caif_socket nfc caif netrom
crc_ccitt rose x25 appletalk ipt_ULOG rds bluetooth can_raw ipx
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