Messages in this thread | | | Subject | WARNING in tty_ldisc_reinit | From | Ben Hutchings <> | Date | Tue, 18 Oct 2011 02:36:23 +0100 |
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Дмитрий Матросов wrote: > I try to compile with printk() instead of printk_ratelimited() in your > patch, and it's succeeded. Then i install it with
Sorry, I didn't notice that would need to be changed. Thanks for fixing that yourself!
> # dpkg -i ./linux-image-2.6.32-5-686-bigmem_2.6.32-38a~test_i386.deb > # dpkg --configure --force-depends-version linux-image-2.6.32-5-686-bigmem > > and then try to reproduce this bug. Here is the result: > > [ 65.162361] apm: BIOS not found. > [ 65.276280] [drm] nouveau 0000:01:00.0: nouveau_channel_free: freeing fifo 2 > [ 84.368180] tty_ldisc_reinit: refcount of is still 2 [...] > I suppose, that result of previous attempt is not very useful, because > something is missed in the output (after "of" word). So, i rewrite > your patch a little: > [..] > + printk(KERN_DEBUG "%s: refcount of %p (%s, num=%d, mag=%d, > flags=%d) is still %d\n", > + __func__, > + tty->ldisc->ops, tty->ldisc->ops->name, tty->ldisc->ops->num, > tty->ldisc->ops->magic, tty->ldisc->ops->flags, > + atomic_read(&tty->ldisc->users)); > [..]
"%ps" should have resulted in printing the symbol name for the structure that the argument points to. I don't know why that didn't work.
Anyway, Jiri, this should be the information you wanted way back in <http://article.gmane.org/gmane.linux.kernel/1176604>:
> [ 83.736104] tty_ldisc_reinit: refcount of c13c7878 (n_tty, num=0, mag=21507, flags=0) is still 2
You can find more explanation of when this happens in the bug log at <http://bugs.debian.org/645071>.
Ben.
-- Ben Hutchings No political challenge can be met by shopping. - George Monbiot [unhandled content-type:application/pgp-signature] | |