You might want to try serial line over USB. Regarding why kgdbwait is deprecated in kgdboe, I am not sure. You will have to wait till someone replies with some answer on kgdbwait on kgdboe.
On Tue, Jun 10, 2008 at 10:51 AM, Rupesh Gujare <[EMAIL PROTECTED]> wrote: > Milind, > Thanks for the information. Can you just give more information > regarding why kgdbwait is deprecated? and are there any patches which can > enable it? How much effort will it require to enable it? > As currently I can not use KGDB over serial line, I am trying to extract > maximum out of kgdboe. > > Your suggestions will be valuable. > > Thanks and regards, > Rupesh. > > Milind Dumbare wrote: > > > > 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,@*MailScanner has detected >> a possible fraud attempt from "192.168.2.26" claiming to be* *MailScanner >> warning: numerical links are often malicious: 192.168.2.26/* >> <http://192.168.2.26/> >> >> console=ttyS0,115200 >> >> >> >> As target machine *MailScanner has detected a possible fraud attempt from >> "192.168.2.117" claiming to be* *MailScanner warning: numerical links are >> often malicious: 192.168.2.117* <http://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 *MailScanner has >> detected a possible fraud attempt from "2.6.15.5" claiming to be* >> *MailScanner warning: numerical links are often malicious: 2.6.15.5* >> <http://2.6.15.5> >> >> kernel and 2.4 kgdb patch for *MailScanner has detected a possible >> fraud attempt from "2.6.15.5" claiming to be* *MailScanner warning: >> numerical links are often malicious: 2.6.15.5* <http://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 = @*MailScanner has detected a possible fraud attempt from >> "192.168.0.1" claiming to be* *MailScanner warning: numerical links are >> often malicious: 192.168.0.1/* <http://192.168.0.1/> , @*MailScanner has >> detected a possible fraud attempt from "192.168.0.2" claiming to be* >> *MailScanner warning: numerical links are often malicious: 192.168.0.2/* >> <http://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:*MailScanner has detected a possible fraud attempt from >> "192.168.0.2:6443" claiming to be* *MailScanner warning: numerical links are >> often malicious: 192.168.0.2:6443* <http://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:*MailScanner has detected a possible fraud >> attempt from "192.168.0.1:6443" claiming to be* *MailScanner warning: >> numerical links are often malicious: 192.168.0.1:6443* >> <http://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. > Linsyssoft Technologies. > > > -- Milind Dumbare Sr. Systems Engg. 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