Messages in this thread Patch in this message | | | Date | Tue, 11 Mar 2003 16:21:53 -0800 | From | Andrew Morton <> | Subject | Re: Warning: dev (pts(136,0)) tty->count(5) != #fd's(4) in tty_open |
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"Martin J. Bligh" <mbligh@aracnet.com> wrote: > > I'm getting lots of these messages whilst running big SDET runs on > an 16-way machine ... anyone recognize them? > (64-bk3 + a few patches). > > dev (pts(136,0)) tty->count(4) != #fd's(3) in release_dev
The file_list_lock patches affect this. Do you have those applied?
If so, and if it is repeatable, this might help. (Unlikely, but it might).
diff -puN drivers/char/tty_io.c~tty_files-fixes drivers/char/tty_io.c --- 25/drivers/char/tty_io.c~tty_files-fixes 2003-03-09 23:15:15.000000000 -0800 +++ 25-akpm/drivers/char/tty_io.c 2003-03-09 23:15:58.000000000 -0800 @@ -1037,7 +1037,9 @@ static void release_mem(struct tty_struc } o_tty->magic = 0; (*o_tty->driver.refcount)--; + file_list_lock(); list_del(&o_tty->tty_files); + file_list_unlock(); free_tty_struct(o_tty); } @@ -1049,7 +1051,9 @@ static void release_mem(struct tty_struc } tty->magic = 0; (*tty->driver.refcount)--; + file_list_lock(); list_del(&tty->tty_files); + file_list_unlock(); module_put(tty->driver.owner); free_tty_struct(tty); } _
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