On Thu, Jun 5, 2008 at 6:07 PM, Rupesh Gujare <[EMAIL PROTECTED]> wrote:
> Milind, > > I was following the discussions, and I have some questions for you. > > 1) Why we cant give "kgdbwait" as a kernel parameter while using "kgdboe"? > As kgdbwait is deprecated. > > 2) I am trying on ARM board, if I give kgdbwait as kernel parameter, and > tries to attach remote gdb, kernel crashes. > While if I dont give kgdbwait, and try to connect remote gdb after > kernel boots up, it works fine. Can you explain why it is so? > Above point answers this. > and if i wanna debug kernel initialization part how can I do it using kgdb? > In this case go for KGDB over serial line, it (kgdbos) has kgdbwait supported. > > > Thanks in advance, > > Regards, > Rupesh. > > > Milind Dumbare wrote: > > Well, building kernel is not discussed on this list. Be specific to KGDB > questions. Read the kernel's documentation for building kernel. > > -Miline > On Thu, Jun 5, 2008 at 3:45 PM, Bhagwat <[EMAIL PROTECTED]> <[EMAIL > PROTECTED]> > wrote: > > > > Hi Milind > > > > I will check with that, but do I need to do any more steps or is it enough > With reference to your quick start > documenthttp://kgdb.linsyssoft.com/downloads/kgdb-2/kgdbquickstart-2.4.pdf I > have > done make bzImage and copied the kernel to target machine, it is not booting > up, Do I need to do $ make module then $ make module_install > > Someone suggested me to do $ make modules and make module_install since > kernel is not booting up. Do I need to do this, as it is not mentioned in > kgdb-quick start docs. > > Thanks > > Bhagwat > > > > > > > > -----Original Message----- > *From:* Milind Dumbare [mailto:[EMAIL PROTECTED] <[EMAIL PROTECTED]>] > *Sent:* Thursday, June 05, 2008 2:58 PM > *To:* Bhagwat Masalkar > *Cc:* KGDB Mailing List > *Subject:* Re: how to chk dmesg on remote machine, as it is not booted up? > > > > It seems you have given the grub entry in wrong way. > The kgdboe line in your grub should be on Kernel (third)line following > "rhgb quiet" and not on separate line. > > On Thu, Jun 5, 2008 at 2:36 PM, Bhagwat <[EMAIL PROTECTED]> <[EMAIL > PROTECTED]> > wrote: > > HI Milind > > > > Thanks for your light speed reply, > > > > In my grub entry I did't added "kgdbwait", still it is not booting up, > > > > My grup entry is_ > > title Bhagwat Kernel > > root (hd0,5) > > kernel /vmlinuz-2.6.15-kgdb ro root=LABEL=/ rhgb quiet > > initrd /initrd-2.6.15-kgdb.img > > [EMAIL PROTECTED]/eth1 00:00:E2:78:ED:8D,@192.168.2.26/ > > console=ttyS0,115200 > > > > As target machine 192.168.2.117 is mapped to eth1 not to eth0. > > With reference to your quick start > documenthttp://kgdb.linsyssoft.com/downloads/kgdb-2/kgdbquickstart-2.4.pdf I > have > done make bzImage and copied the kernel to target machine, it is not booting > up, Do I need to do $ make module then $ make module_install > > > > Thanks > > Bhagwat > > > > > > > > -----Original Message----- > *From:* Milind Dumbare [mailto:[EMAIL PROTECTED] <[EMAIL PROTECTED]>] > *Sent:* Thursday, June 05, 2008 12:27 PM > *To:* Bhagwat Masalkar; KGDB Mailing List > *Subject:* Re: how to chk dmesg on remote machine, as it is not booted up? > > > > Hi Bhagwat, > In KGDBoE (KGDB over ethernet) we don't add "kgdbwait" on kernel command > line (grub entry) so the kgdb machine should not wait for connection from > remote gdb while booting and should boot like a normal machine. So when it > boots up you see the dmesg see if KGDBoE is configured properly and its up > and running, and then try connecting from remote gdb. > > -Miline > > On Thu, Jun 5, 2008 at 12:15 PM, Bhagwat <[EMAIL PROTECTED]> <[EMAIL > PROTECTED]> > wrote: > > Hi milind, > > > > I have seen ur response > athttp://www.mail-archive.com/[email protected]/msg00067.html > > > > I am also facing same problem, like > > > > I am trying to setup kgdb with ethernet. I have downloaded 2.6.15.5 > > kernel and 2.4 kgdb patch for 2.6.15.5 kernel release. I successfully > > > applied the following patches > > > core-lite.patch > > > i386-lite.patch > > > 8250.patch > > > eth.patch > > > core.patch > > > i386.patch > > > and configured with ethernet support for kgdb with make menuconfig. > > > then i gave make bzImage command and placed both System.map and > > > bzImage to the target machine's boot directory. Then I have made an > > > entry in grub.conf file to be able to boot with newly copied bzImage > > > and specified parameters as > > > kgdboe = @192.168.0.1/ , @192.168.0.2/ > > then I have started gdb at development machine by issuing the command > > > gdb ./vmlinux. > > > now at gdb prompt, i have given the command target remote > > > udp:192.168.0.2:6443. At this stage, I am getting an error that "host > > > is not reachable and ignoring packet error". > > > I have done target remote udp:192.168.0.1:6443 also, but no success getting > same msg, like host is not reachable ignoring packet error. > > > > Also as you suggested, See "dmesg" output of kgdb machine for more help. look > for "kgdboe" > > messages in it. > > But on KGDB running machine, it is not booted up, and its waiting for > connection from host, how to chk dmesg. > > > > Please share your experience. > > > > Thanks > > Bhagwat > > > > > > > ------------------------------ > > The information contained in this email and any attachments is confidential > and may be subject to copyright or other intellectual property protection. > If you are not the intended recipient, you are not authorized to use or > disclose this information, and we request that you notify us by reply mail > or telephone and delete the original message from your mail system. > > > > > -- > Milind Dumbare > Sr. Systems Engg. > Linsyssoft Technologies. > > > ------------------------------ > > The information contained in this email and any attachments is confidential > and may be subject to copyright or other intellectual property protection. > If you are not the intended recipient, you are not authorized to use or > disclose this information, and we request that you notify us by reply mail > or telephone and delete the original message from your mail system. > > > > > -- > Milind Dumbare > Sr. Systems Engg. > Linsyssoft Technologies. > > ------------------------------ > The information contained in this email and any attachments is confidential > and may be subject to copyright or other intellectual property protection. > If you are not the intended recipient, you are not authorized to use or > disclose this information, and we request that you notify us by reply mail > or telephone and delete the original message from your mail system. > > > > > -- Milind Dumbare Sr. Systems Engg. 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