Am 20.04.2012 08:45, schrieb Cong Wang: > On Thu, 2012-04-19 at 10:59 +0200, Harald Hoyer wrote: >> Am 19.04.2012 00:28, schrieb Vivek Goyal: >>> Hi, >>> >>> I am trying to dump kernel vmcore to an software iscsi target (kdump). >>> kdump specifies the dump destination using "--mount" option. But dracut >>> does not even include the "iscsi" module and associated device is not >>> mounted in second kernel. >>> >>> Following is the dracut command line as called by /sbin/mkdumprd. >>> >>> dracut -m kdumpbase --add dash --add fstab-sys --add kernel-modules -c /dev/null -I /sbin/makedumpfile --mount '/dev/mapper/vg-lv_root / ext4 rw,seclabel,relatime,user_xattr,barrier=1,data=ordered' --mount '/dev/mapper/mpatha /mnt/common ext4 rw,seclabel,relatime,user_xattr,barrier=1,stripe=16,data=ordered' -M -f /boot/initramfs-3.3.2-1.fc17.x86_64kdump.img 3.3.2-1.fc17.x86_64 >> >> "-m kdumpbase" - This tells dracut to only use the kdumpbase dracut module >> So, because the iscsi dracut module is not added, dracut does not even check() it. > > Interesting, multipath and lvm etc. modules are added by dracut when it > is needed by --mount, so why iscsi is special here? > >> >> Why is it "-m kdumpbase" and not "--add kdumpbase" ??? > > I thought "--add" is plus for "-m", so the initial module has to be > added via "-m" in cmdline? Seems I was wrong, but could this be the > reason that causes iscsi module not loaded? > > Thanks! > You can send me the output of dracut with the "--debug" option added to inspect it further. -- To unsubscribe from this list: send the line "unsubscribe initramfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
