Did you have a look into *ftrace_bug()* function to find out what can trigger this bug?
Emeric On Mon, Aug 19, 2013 at 9:14 AM, Dhyan <linuxdh...@gmail.com> wrote: > Dear All, > > I am trying to run ftrace in nexus-4.But when i enable ftrace i am getting > following in dmesg > > <6>[ 0.002166] ftrace: allocating 30960 entries in 91 pages > <4>[ 0.036563] ------------[ cut here ]------------ > <4>[ 0.036593] WARNING: at kernel/trace/ftrace.c:1590 > ftrace_bug+0xf0/0x178() > <4>[ 0.036654] [<c0015090>] (unwind_backtrace+0x0/0xec) from > [<c08529ac>] (dump_stack+0x20/0x24) > <4>[ 0.036685] [<c08529ac>] (dump_stack+0x20/0x24) from [<c0070db0>] > (warn_slowpath_common+0x58/0x70) > <4>[ 0.036716] [<c0070db0>] (warn_slowpath_common+0x58/0x70) from > [<c0070ec0>] (warn_slowpath_null+0x2c/0x34) > <4>[ 0.036746] [<c0070ec0>] (warn_slowpath_null+0x2c/0x34) from > [<c00d34b4>] (ftrace_bug+0xf0/0x178) > <4>[ 0.036777] [<c00d34b4>] (ftrace_bug+0xf0/0x178) from [<c0d145d8>] > (ftrace_init+0x364/0x50c) > <4>[ 0.036838] [<c0d145d8>] (ftrace_init+0x364/0x50c) from [<c0d00944>] > (start_kernel+0x42c/0x498) > <4>[ 0.036868] [<c0d00944>] (start_kernel+0x42c/0x498) from > [<8020803c>] (0x8020803c) > <4>[ 0.036899] ---[ end trace da227214a82491b7 ]--- > > Can some one please help to fix this ? > > Thanks > Dhyan > > > -- > -- > unsubscribe: android-kernel+unsubscr...@googlegroups.com > website: http://groups.google.com/group/android-kernel > --- > You received this message because you are subscribed to the Google Groups > "Android Linux Kernel Development" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to android-kernel+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/groups/opt_out. > -- -- unsubscribe: android-kernel+unsubscr...@googlegroups.com website: http://groups.google.com/group/android-kernel --- You received this message because you are subscribed to the Google Groups "Android Linux Kernel Development" group. To unsubscribe from this group and stop receiving emails from it, send an email to android-kernel+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.