Regarding KGDB setup over serial cable

[Vivek Panwar]

Hi Mulyadi,

Below is the kernel panic logs i am getting, for your analysis:

*[0.820851] tg3 0000:02:00.0: Problem fetching invariants of chip, aborting

[1.408713] EXT3 -f3 (sda1):error:could not mount because of unsupported
optional features (240)

[1.449074] Kernel panic - not syncing : VFS: unable to mount root fs on
unknown -block(8,1)

[1.449111] pid:1,comm:swapper/0 not tainted 3.4.9#2

[1.449128] call trace:

[1.449142] [<ffffffff816df216>] Panic+0xb8/0x1c3

[1.449159] [<ffffffff816df35d>] ? Printk+0x3c/0x3e

[1.449177] [<ffffffff81cb804a>] mount_block_root+0x1d4/0x1eb

[1.449197] [<ffffffff81cb8252>] mount_root+0xe1/0xec

[1.449216] [<ffffffff81130aa17>] sys_unlink+0x11/0x20

[1.449234] [<ffffffff81cb83cd>] prepare_namespace + 0x170/0x19d

[1.449253] [<ffffffff81cb7d14>] kernel_init+0x1b8/0x1ca

[1.449270] [<ffffffff81cb7536>] ? log level +0x31/0x31

[1.449288] [<ffffffff816ea9547>] kernel_thread_helper+0x4/0x10

[1.449307] [<ffffffff81cb7b5c>] ? start_kernel+0x338/0x338

[1.449325] [<ffffffff816ea9507>] ? gs_change+0x3/0xb

[1.449385] panic occured, switching back to console
*
Thanks
Vivek

On Tue, Oct 16, 2012 at 12:26 AM, Mulyadi Santosa <mulyadi.santosa at gmail.com
> wrote:

> On Mon, Oct 15, 2012 at 6:10 PM, Vivek Panwar <vivekpanwar2008 at gmail.com>
> wrote:
> >     linux    /boot/vmlinuz-3.4.9 root=/dev/sda1 ro   quiet splash
> > vt.handoff=7 kgdbwait kgdb8250=ttyUSB0,115200,kgdboc=ttyUSB0,115200
> > }
> >
>
>
> Do you remember exactly what panic messages you saw? maybe we can get
> clues from there....
>
> --
> regards,
>
> Mulyadi Santosa
> Freelance Linux trainer and consultant
>
> blog: the-hydra.blogspot.com
> training: mulyaditraining.blogspot.com
>
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