On Tue, Dec 23, 2008 at 4:48 PM, Ihar Hrachyshka <ihar.hrachyshka@xxxxxxxxx> wrote: > Hello! > I try to start vanilla linux kernel on pnx-8335-stb225 board. What I did: > 1. ARCH=mips make pnx-8335-stb225_defconfig > 2. ARCH=mips make > 3. Prepared U-Boot image with mkimage. > > After booting it up I get the following output on my UART: > > Linux version 2.6.28-rc9.netflix.PR12_RC2 (booxter@EPBYMINW0568) (gcc > version 4.2.1) #3 PREEMPT Tue Dec 23 15:52:10 EET 2008 > CPU revision is: 00019068 (MIPS 4KEc) > Determined physical RAM map: > memory: 10000000 @ 00000000 (usable) > Zone PFN ranges: > Normal 0x00000000 -> 0x00010000 > Movable zone start PFN for each node > early_node_map[1] active PFN ranges > 0: 0x00000000 -> 0x00010000 > Built 1 zonelists in Zone order, mobility grouping on. Total pages: 65024 > Kernel command line: > mtdparts=gen_nand:128k(Boot0),1M(Boot1),512k(Env),4M(Kernel),16M(Filesystem) > ip3902.mac_address=00:60:37:03:00:00 ip=10.6.2.53:10.6.27.3 > Unknown boot option `ip3902.mac_address=00:60:37:03:00:00': ignoring > Primary instruction cache 16kB, VIPT, 2-way, linesize 16 bytes. > Primary data cache 8kB, 4-way, VIPT, no aliases, linesize 16 bytes > PID hash table entries: 1024 (order: 10, 4096 bytes) > CPU clock is 320 MHz > Console: colour dummy device 80x25 > console [ttyS0] enabled > > After this last message there is no any activity. It seems that kernel > hanged. What can I do to see what's going on (maybe stack trace)? Any > suggestions? > Has anyone started the board successfully with vanilla kernel? > > Thanks in advance, > Ihar Hrachyshka > Bisecting my Linus vanilla git, I found that the problem appeared after the following patch was applied: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=566f74f6b2f8b85d5b8d6caaf97e5672cecd3e3e After reverting the patch, Linus vanilla git kernel again boots ok on the board. Please, take a look.