hi Viral: 2010/7/8 Viral Mehta <Viral.Mehta@xxxxxxxxxxxxxxx>: > >>2010/3/8 Mulyadi Santosa <mulyadi.santosa@xxxxxxxxx>: >>> Hi... > >>sorry for interrupting your conversation :) > Start a new thread then >>I recently try to use kgdb to debug kernel. >>my questions are: >>1. there are 2 uart under my plarform, I intent to let one for console >>one for kgdb. >> how coudl I tell kernel which one is for console and which one is for kgdb? > Give it as kernel parameters... > http://www.linuxquestions.org/questions/programming-9/kgdb-module-debugging-question-657611/ > >>2. do I need to compile my kernel with any additionally CFLAG ? >>appreciate your help, >>miloody > I follow the instructions on the website but the target machine will not wait for me. I append the dmesg at the end of letter. appreciate your help, miloody LINUX started... CMDLINE:console=ttyS0,115200n8 memsize=192M kgddbwait kgdboc=ttyS1,115200 console [early0] enabled CPU revision is: 00019655 (MIPS 24Kc) hclk = 99937500 Determined physical RAM map: memory: 00001000 @ 00000000 (reserved) memory: 000ff000 @ 00001000 (ROM data) memory: 0075b000 @ 00100000 (reserved) memory: 0b7a5000 @ 0085b000 (usable) Wasting 68448 bytes for tracking 2139 unused pages Initrd not found or empty - disabling initrd Zone PFN ranges: Normal 0x00000000 -> 0x0000c000 Movable zone start PFN for each node early_node_map[1] active PFN ranges 0: 0x00000000 -> 0x0000c000 On node 0 totalpages: 49152 free_area_init_node: node 0, pgdat 8045c260, node_mem_map 81000000 Normal zone: 384 pages used for memmap Normal zone: 0 pages reserved Normal zone: 48768 pages, LIFO batch:15 Built 1 zonelists in Zone order, mobility grouping on. Total pages: 48768 Kernel command line: console=ttyS0,115200n8 memsize=192M kgddbwait kgdboc=ttyS1,115200 Primary instruction cache 16kB, VIPT, 4-way, linesize 32 bytes. Primary data cache 16kB, 4-way, VIPT, no aliases, linesize 32 bytes Writing ErrCtl register=0007f9e0 Readback ErrCtl register=0007f9e0 NR_IRQS:64 PID hash table entries: 1024 (order: 10, 4096 bytes) CPU frequency 399.75 MHz Console: colour dummy device 80x25 Dentry cache hash table entries: 32768 (order: 5, 131072 bytes) Inode-cache hash table entries: 16384 (order: 4, 65536 bytes) Memory: 186052k/188052k available (2652k kernel code, 1780k reserved, 799k data, 3944k init, 0k highmem) Calibrating delay loop... 264.19 BogoMIPS (lpj=132096) Mount-cache hash table entries: 512 Brought up 1 CPUs CPU0 attaching NULL sched-domain. net_namespace: 332 bytes NET: Registered protocol family 16 FPU Affinity set after 528 emulations bio: create slab <bio-0> at 0 SCSI subsystem initialized cfg80211: Calling CRDA to update world regulatory domain NET: Registered protocol family 2 IP route cache hash table entries: 2048 (order: 1, 8192 bytes) TCP established hash table entries: 8192 (order: 4, 65536 bytes) TCP bind hash table entries: 8192 (order: 4, 65536 bytes) TCP: Hash tables configured (established 8192 bind 8192) TCP reno registered NET: Registered protocol family 1 initramfs_start:0x88000008, initramfs_end:0x883AF5A1 NTFS driver 2.1.29 [Flags: R/O]. msgmni has been set to 363 alg: No test for stdrng (krng) io scheduler noop registered (default) io scheduler anticipatory registered io scheduler deadline registered io scheduler cfq registered Serial: 8250/16550 driver, 2 ports, IRQ sharing disabled serial8250.0: ttyS0 at MMIO 0xbd090000 (irq = 25) is a 16550A console handover: boot [early0] -> real [ttyS0] serial8250.0: ttyS1 at MMIO 0xbd091000 (irq = 39) is a 16550A kgdb: Registered I/O driver kgdboc. brd: module loaded loop: module loaded Driver 'sd' needs updating - please use bus_type methods SCSI Media Changer driver v0.25 Driver 'ch' needs updating - please use bus_type methods PPP generic driver version 2.4.2 PPP Deflate Compression module registered PPP BSD Compression module registered NET: Registered protocol family 24 mice: PS/2 mouse device common for all mice Linux video capture interface: v2.00 NET: Registered protocol family 26 TCP cubic registered NET: Registered protocol family 17 lib80211: common routines for IEEE802.11 drivers lib80211_crypt: registered algorithm 'NULL' Freeing prom memory: 1020k freed Freeing unused kernel memory: 3944k freed # -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx Please read the FAQ at http://kernelnewbies.org/FAQ
