On Fri, May 13, 2011 at 03:06:35PM -0700, Kevin Cernekee wrote: > On Fri, May 13, 2011 at 11:45 AM, Jayachandran C. > <jayachandranc@xxxxxxxxxxxxxxxxx> wrote: > > The current linux-mips queue works for me, and I don't have the old source > > or binaries with me anymore. You surely should be able build with > > nlm_xlr_defconfig and see if the rixi is enabled in the build, if you want > > any config register dump on the CPU, please let me know. > > I was able to locate an old MIPS R5000 based system and get linux-mips > queue running on it. Here are the settings: > > CONFIG_ARCH_DMA_ADDR_T_64BIT=y > CONFIG_64BIT_PHYS_ADDR=y > CONFIG_ARCH_PHYS_ADDR_T_64BIT=y > CONFIG_PHYS_ADDR_T_64BIT=y > CONFIG_SYS_SUPPORTS_32BIT_KERNEL=y > CONFIG_CPU_SUPPORTS_32BIT_KERNEL=y > CONFIG_SYS_SUPPORTS_64BIT_KERNEL=y > CONFIG_CPU_SUPPORTS_64BIT_KERNEL=y > CONFIG_32BIT=y > # CONFIG_64BIT is not set > CONFIG_SMP=y > > This was intended to mimic the XLR configuration: 32-bit kernel on a > 64-bit CPU with 64-bit physical addressing, SMP (albeit with 1 CPU), > no RI/XI. > > After applying all 4 of my page cleanup patches, the system still > booted and ran normally. > > Userspace is glibc with a bash shell (also tried uClibc w/bash, same > result). Since the reported assertion appeared to be in bash. > > Jayachandran - how do you think we should debug this? It seems like > the problem only shows up on XLR. Since this is a relatively new > platform, is it possible that something else might be broken still? Can you send me the patchset which works on top of queue with any debugging you want enabled? I can try that and send you the results. It is also possible that something is broken with the XLR platform code, it is currently almost straight r4k... Thanks, JC.
