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Re: ARM Paging Problems | |
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Hello, Just to clarify, by display subsystem you are referring to the LCD display? ~ Stephen On Mon, Jun 15, 2009 at 8:31 AM, Ramprasad B <ramprasad@xxxxxxxxxxxxx>wrote: > Hello, > Try disabling display sub-system and run the same test.It may give you > some idea.. > > Thanks, > Ramprasad. > > Stephen Lim wrote: > >> Hello, >> I'm experiencing a paging problem. >> >> >> I'm playing around with an ARM LH7A404 machine, using a flash memory >> module >> as a file system (mapped using JFFS2) >> >> >> I've recently upgraded the single RAM module at bank-0 from 32 MB to 64 >> MB, >> as well as the flash module from 16MB to 32MB. >> >> >> Now I'm experiencing bad page states when the busy-box /sbin/init runs. >> >> >> The following is a snippet of the last entry's before the kernel panicked. >> >> >> >> ---------------------------------------------------------------------------------------------------------------------------------------------------- >> >> Configure Core FPGA... >> Done! >> Init LCD. >> binFileRead: Cannot open file "/.sw_ver". >> Run "/sbin/init"!!!<0>Bad page state at free_hot_cold_page (in process >> 'init', page c02192a0) >> flags:0x00000000 mapping:00000000 mapcount:-1 count:0 >> Backtrace: >> Trying to fix it up, but a reboot is needed >> Inconsistency detKernel panic - not syncing: Attempted to kill init! >> ected by ld.so: d ynamic-link.h: 122: elf_get_dynamic_info: Assertion >> `info[20]->d_un.d_val == 17 || info[20]->d_un.d_val == 7' failed! >> >> >> ---------------------------------------------------------------------------------------------------------------------------------------------------- >> >> >> I'm also loading the kernel at a different location than the default >> settings: >> >> CONFIG_ATAG=y >> CONFIG_DISABLE_MMU_AT_BOOT=y >> CONFIG_ATAG_PHYS=0xc0000100 >> CONFIG_APEX_VMA=0xcd000000 >> CONFIG_KERNEL_LMA=0xc1000000 >> CONFIG_SDRAM_BANK0=y >> >> >> >> I've been investigating the issue and I'm at a loss. It seems like a >> memory >> mapping issue but I cannot say for certain. Is there something I'm >> overlooking? >> >> >> I have checked the memory modules and they are working as expected. >> ------------------------------------------------------------------- >> List admin: http://lists.arm.linux.org.uk/mailman/listinfo/linux-arm >> FAQ: http://www.arm.linux.org.uk/mailinglists/faq.php >> Etiquette: http://www.arm.linux.org.uk/mailinglists/etiquette.php >> >> >> > > ------------------------------------------------------------------- List admin: http://lists.arm.linux.org.uk/mailman/listinfo/linux-arm FAQ: http://www.arm.linux.org.uk/mailinglists/faq.php Etiquette: http://www.arm.linux.org.uk/mailinglists/etiquette.php
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