Russell King - ARM Linux <linux@xxxxxxxxxxxxxxxx> writes: > On Mon, May 18, 2009 at 06:54:56PM +0300, Kalle Valo wrote: >> Russell King - ARM Linux <linux@xxxxxxxxxxxxxxxx> writes: >> >> > On Fri, May 08, 2009 at 07:47:09PM +0300, Kalle Valo wrote: >> >> "stanley.miao" <stanley.miao@xxxxxxxxxxxxx> writes: >> >> >> >> >> Looks like you used the CodeSourcery 2007q3 toolchain. This had been >> >> >> reported earlier. Switching to 2008q3 works. >> >> > >> >> > Yeah, Now the kernel booted. it's compiler's problem. >> >> >> >> I was bitten by the same problem few weeks ago. Any chance of getting a >> >> warning/error if using 2007q3 compiler until the problem is fixed? >> > >> > Is there any way of detecting the 2007q3 compiler? >> > >> > With normal GCC versions, you can use __GNUC__, __GNUC_MINOR__ and >> > __GNUC_PATCHLEVEL__ to identify the three digit version number. >> >> I don't know, most probably not. But Jon Hunter investigated the issue >> and he found the issue was related to CONFIG_ARCH_WANT_FRAME_POINTERS: >> >> http://www.mail-archive.com/linux-omap@xxxxxxxxxxxxxxx/msg12403.html >> >> So maybe we can fix or workaround this. > > Why does this change anything? FRAME_POINTERS seems to be enabled > anyway (and should be given the Kconfig setup we have.) See the 'depends on' line in lib/Kconfig.debug. The result is that without the patch from Jon, even if you have CONFIG_FRAME_POINTERS=y in your .config, it gets dropped if the arch doesn't set CONFIG_ARCH_WANT_FRAME_POINTERS. Kevin -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
