On Tue, Jul 14, 2009 at 10:40:16AM +0900, FUJITA Tomonori wrote: > On Mon, 13 Jul 2009 20:56:21 -0400 > Robert Reif <reif@xxxxxxxxxxxxx> wrote: > > > FUJITA Tomonori wrote: > > > This is the second version of the patchset to convert SPARC to > > > asm-generic/dma-mapping-common.h and pci-dma-compat.h: > > > > > > > > I still get the same runtime warning with this patch set at boot time. > > > > The bad address is within the kernel so it looks like > > it's catching a real bug. > > > > cat kallsyms | grep f0007000 > > f0007000 T trapbase_cpu3 > > > > WARNING: at lib/dma-debug.c:873 check_for_illegal_area+0xc8/0x100() > > esp ffd7ba30: DMA-API: device driver maps memory from kernel text or > > rodata [addr=f0007000] [len=4096] > > Modules linked in: ext3 jbd sd_mod sun_esp esp_scsi scsi_transport_spi > > Ok, I looked at check_for_illegal_area() in dma-debug. > > What check_for_illegal_area() does looks bogus to me with some of I/O > remapping hardware. Can you be more specific about this one? check_for_illegal_area() should not depend on any hardware because all it does is checking the machine addresses to be mapped. Joerg -- To unsubscribe from this list: send the line "unsubscribe sparclinux" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
