Re: [uml-devel] BUG: failure at block/blk-core.c:2985/blk_flush_plug_list()

2013-04-06 Thread Richard Weinberger
Am 06.04.2013 04:26, schrieb Peter Butler: Looks like the mainline fails early in the build process (?) after 'make mrproper' and 'make defconfig' I get this: bash $ make ARCH=um linux Please try with make ARCH=um linux SUBARCH=x86 or make ARCH=um linux SUBARCH=x86_64. Thanks, //richard

[uml-devel] [PATCH v4, part3 37/41] mm/um: prepare for removing num_physpages and simplify mem_init()

2013-04-06 Thread Jiang Liu
Prepare for removing num_physpages and simplify mem_init(). Signed-off-by: Jiang Liu jiang@huawei.com Cc: Jeff Dike jd...@addtoit.com Cc: Richard Weinberger rich...@nod.at Cc: user-mode-linux-devel@lists.sourceforge.net Cc: linux-ker...@vger.kernel.org --- arch/um/kernel/mem.c |4 +--- 1

[uml-devel] [PATCH v4, part3 07/41] UML: normalize global variables exported by vmlinux.lds

2013-04-06 Thread Jiang Liu
Normalize global variables exported by vmlinux.lds to conform usage guidelines from include/asm-generic/sections.h. 1) Use _text to mark the start of the kernel image including the head text, and _stext to mark the start of the .text section. 2) Export mandatory global variables __bss_stop. 3)

[uml-devel] Endless page fault for the same miss address in my UML

2013-04-06 Thread Terry Hsu
Hello guys, Is there any available resource that explains how user-mode-linux maps the pages of a task in UML to the host kernel? In my UML, I modified a task's page table when forking it. Then I ran into a situation where the page fault happens over and over again for the same address in the

Re: [uml-devel] BUG: failure at block/blk-core.c:2985/blk_flush_plug_list()

2013-04-06 Thread Peter Butler
Here's another one where the crash is from startup rather than shutdown: Core dump limits : soft - 0 hard - NONE Checking that ptrace can change system call numbers...OK Checking syscall emulation patch for ptrace...OK Checking advanced syscall emulation patch for ptrace...OK