From mboxrd@z Thu Jan 1 00:00:00 1970 From: Robert Berger Date: Sat, 03 Nov 2012 22:20:11 +0200 Message-ID: Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Subject: [Xenomai] Beagle-XM - ipipe-core-3.2.21 List-Id: Discussions about the Xenomai project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: xenomai@xenomai.org Hi, I try to get Xenomai run on a Beagle-XM rev c. That's what I use: *) xenomai-head commit 9534fff1f0247c4c1a9bd104b0ef65df340ead4f *) ipipe-core-3.2.21-arm-1.patch *) ELDK 5.2.1 generic-armv7a *) linux-stable 3.2.21 *) rootfs on 2nd partition of SD card (for now) *) kernel loaded over tftp That's what I observed so far: 1) default config *) default kernel boots *) ipipe patched kernel hangs: Filename 'beagle-xm/uImage'. Load address: 0x80200000 Loading: ################################################################# done Bytes transferred = 3607600 (370c30 hex) ## Booting kernel from Legacy Image at 80200000 ... Image Name: Linux-3.2.21-xenomai-student-dir Image Type: ARM Linux Kernel Image (uncompressed) Data Size: 3607536 Bytes = 3.4 MiB Load Address: 80008000 Entry Point: 80008000 Verifying Checksum ... OK Loading Kernel Image ... OK OK Starting kernel ... Uncompressing Linux... done, booting the kernel. --> hangs here <-- 1) custom config (able to boot rootfs over nfs) *) custom kernel boots with network support *) ipipe patched kernel tells me this: ... [ 0.342254] Division by zero in kernel. [ 0.342315] [] (unwind_backtrace+0x0/0xe0) from [] (Ldiv0+0x8/0x10) [ 0.342376] [] (Ldiv0+0x8/0x10) from [] (rthal_arch_init+0x94/0xd8) [ 0.342407] [] (rthal_arch_init+0x94/0xd8) from [] (rthal_init+0x7c/0x25c) [ 0.342437] [] (rthal_init+0x7c/0x25c) from [] (__xeno_sys_init+0x20/0x30c) [ 0.342468] [] (__xeno_sys_init+0x20/0x30c) from [] (do_one_initcall+0x90/0x160) [ 0.342498] [] (do_one_initcall+0x90/0x160) from [] (kernel_init+0xd8/0x180) [ 0.342529] [] (kernel_init+0xd8/0x180) from [] (kernel_thread_exit+0x0/0x8) [ 0.342559] Division by zero in kernel. [ 0.342590] [] (unwind_backtrace+0x0/0xe0) from [] (Ldiv0+0x8/0x10) [ 0.342620] [] (Ldiv0+0x8/0x10) from [] (__aeabi_uidivmod+0x8/0x18) [ 0.342620] [] (__aeabi_uidivmod+0x8/0x18) from [] (rthal_arch_init+0xa4/0xd8) [ 0.342651] [] (rthal_arch_init+0xa4/0xd8) from [] (rthal_init+0x7c/0x25c) [ 0.342681] [] (rthal_init+0x7c/0x25c) from [] (__xeno_sys_init+0x20/0x30c) [ 0.342712] [] (__xeno_sys_init+0x20/0x30c) from [] (do_one_initcall+0x90/0x160) [ 0.342742] [] (do_one_initcall+0x90/0x160) from [] (kernel_init+0xd8/0x180) [ 0.342773] [] (kernel_init+0xd8/0x180) from [] (kernel_thread_exit+0x0/0x8) [ 0.342895] Division by zero in kernel. [ 0.342926] [] (unwind_backtrace+0x0/0xe0) from [] (Ldiv0_64+0x8/0x18) [ 0.342956] [] (Ldiv0_64+0x8/0x18) from [] (rthal_arch_init+0xb0/0xd8) [ 0.342987] [] (rthal_arch_init+0xb0/0xd8) from [] (rthal_init+0x7c/0x25c) [ 0.343017] [] (rthal_init+0x7c/0x25c) from [] (__xeno_sys_init+0x20/0x30c) [ 0.343048] [] (__xeno_sys_init+0x20/0x30c) from [] (do_one_initcall+0x90/0x160) [ 0.343078] [] (do_one_initcall+0x90/0x160) from [] (kernel_init+0xd8/0x180) [ 0.343109] [] (kernel_init+0xd8/0x180) from [] (kernel_thread_exit+0x0/0x8) [ 0.343261] Division by zero in kernel. [ 0.343292] [] (unwind_backtrace+0x0/0xe0) from [] (Ldiv0_64+0x8/0x18) [ 0.343322] [] (Ldiv0_64+0x8/0x18) from [] (rthal_arch_init+0xbc/0xd8) [ 0.343353] [] (rthal_arch_init+0xbc/0xd8) from [] (rthal_init+0x7c/0x25c) [ 0.343383] [] (rthal_init+0x7c/0x25c) from [] (__xeno_sys_init+0x20/0x30c) [ 0.343414] [] (__xeno_sys_init+0x20/0x30c) from [] (do_one_initcall+0x90/0x160) [ 0.343444] [] (do_one_initcall+0x90/0x160) from [] (kernel_init+0xd8/0x180) [ 0.343475] [] (kernel_init+0xd8/0x180) from [] (kernel_thread_exit+0x0/0x8) [ 0.343475] Xenomai: system init failed, code -9. [ 0.343505] Xenomai: native skin init failed, code -9. [ 0.343505] Xenomai: starting POSIX services. [ 0.343536] Xenomai: POSIX skin init failed, code -9. [ 0.343536] Xenomai: RTDM skin init failed, code -9. ... [ 5.234558] drivers/rtc/hctosys.c: unable to open rtc device (rtc0) [ 5.241973] Waiting 2sec before mounting root device... ^[^[^[^[[B^[[B^[[B^[[A[ 464.874786] smsc95xx 1-2.1:1.0: eth0: register 'smsc95xx' at usb-ehci-omap.0-2.1, smsc95xx USB 2.0 Ethernet, 62:9d:d5:c4:cf:f8 [ 464.887939] VFS: Cannot open root device "mmcblk0p2" or unknown-block(0,0) [ 464.895233] Please append a correct "root=" boot option; here are the available partitions: [ 464.904113] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0) [ 464.912811] [] (unwind_backtrace+0x0/0xe0) from [] (panic+0x50/0x188) [ 464.921447] [] (panic+0x50/0x188) from [] (mount_block_root+0x1d0/0x214) [ 464.930328] [] (mount_block_root+0x1d0/0x214) from [] (mount_root+0xe4/0x100) [ 464.939636] [] (mount_root+0xe4/0x100) from [] (prepare_namespace+0x15c/0x1bc) [ 464.949188] [] (prepare_namespace+0x15c/0x1bc) from [] (kernel_init+0x148/0x180) [ 464.958831] [] (kernel_init+0x148/0x180) from [] (kernel_thread_exit+0x0/0x8) more detailed info about Linux booting is here: http://pastebin.com/54bBuXQi Do you have anything to suggest? Regards, Robert ...Distributed computing means that you cannot get your work done when some computer you never heard of crashes" -- L.Lamport My public pgp key is available,at: http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x90320BF1