From mboxrd@z Thu Jan 1 00:00:00 1970 From: mulyadi.santosa@gmail.com (Mulyadi Santosa) Date: Thu, 14 Apr 2011 09:51:59 +0700 Subject: Problem with booting using qemu In-Reply-To: References: Message-ID: To: kernelnewbies@lists.kernelnewbies.org List-Id: kernelnewbies.lists.kernelnewbies.org Hi... :) On Wed, Apr 13, 2011 at 11:27, Minwoo Lee wrote: > Hi, all. > > I want to study kernel, so I tried booting my custom compiled kernel > on qemu with '-kernel' and '-initrd' option. > > First, I installed ubuntu 10.10 with cdrom, no LVM. > $ qemu disk.img -cdrom ubuntu-10.10-server-i386.iso -vnc :1 > > After installation, I tried booting my custom compiled kernel(but not > modified, just compiled). > $ sudo qemu -m 512 -enable-kvm disk.img -nographic -append > "console=ttyS0 root=/dev/sda1 ro" -kernel bzImage -initrd > initrd.img-2.6.37 Just to make sure few things: 1. are you really going to setup serial console only guest? because I saw that nographic and console=ttyS0 2. and the initrd, is that the correct initrd that is built against your kernel? > And I got result like this. > > [ ? ?2.687558] EXT4-fs (sda1): INFO: recovery required on readonly filesystem > [ ? ?2.688085] EXT4-fs (sda1): write access will be enabled during recovery > [ ? ?2.691679] EXT4-fs (sda1): recovery complete > [ ? ?2.944387] EXT4-fs (sda1): mounted filesystem with ordered data > mode. Opts: (null) > Begin: Running /scripts/local-bottom ... done. > done. > Begin: Running /scripts/init-bottom ... done. > [ ? ?2.988413] e1000 0000:00:03.0: eth0: (PCI:33MHz:32-bit) 52:54:00:12:34:56 > [ ? ?2.988871] e1000 0000:00:03.0: eth0: Intel(R) PRO/1000 Network Connection just a guess: maybe it didn't freeze...it just display things but toward serial console.... for a test, I suggest (untested) to dump out -nographic and instead use buit in qemu serial console. Switch to it by pressing Ctrl-Alt-3 and see if there are message showing there... -- regards, Mulyadi Santosa Freelance Linux trainer and consultant blog: the-hydra.blogspot.com training: mulyaditraining.blogspot.com