I'm running Gentoo with 3.12.13 kernel. Booting done via EFI Kernel Stub, without bootloader. I have 4 disks in firmware RAID5 (Intel IMSM). Assemble done using mdadm inside initrd. Regular system boot works just fine. I need to setup XEN HVM. Using XEN 4.3.1 Problems starts when I'm trying to boot system with xen-4.3.1.efi Kernel boot ok, until it actually reaches mdadm assembly. "mdadm --assemble --scan" Returns: mdadm: no arrays found in config file or automatically I have tried a lot of different methods - no luck: Tried to add /etc/mdadm.conf to initrd Tried to assemble array manually Tried to precreate nodes dmesg in xen contains absolutely no info about md support (as if it is disabled it in kernel, but same kernel boots okay w/o xen.efi)
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(In reply to Jeroen Roovers from comment #1) > This is a bug tracker, not a support forum. If you have a problem and want > support, use our forums, IRC channels and mailing lists. If you have found a > bug, report it here. This is actually bug, as I assume in app-emulation/xen. During boot w/ XEN, dmesg missing info abour RAID: [ 0.854639] md: md127 stopped. [ 0.855724] md: bind<sdc> [ 0.855763] md: bind<sdb> [ 0.855795] md: bind<sda> [ 0.855833] md: bind<sdd> [ 0.874157] md: md126 stopped. [ 0.874210] md: bind<sdd> [ 0.874244] md: bind<sdc> [ 0.874273] md: bind<sdb> [ 0.874302] md: bind<sda> [ 0.874494] md/raid:md126: device sda operational as raid disk 0 [ 0.874495] md/raid:md126: device sdb operational as raid disk 1 [ 0.874496] md/raid:md126: device sdc operational as raid disk 2 [ 0.874496] md/raid:md126: device sdd operational as raid disk 3 [ 0.874657] md/raid:md126: allocated 4332kB [ 0.874722] md/raid:md126: raid level 5 active with 4 out of 4 devices, algorithm 0 [ 0.874723] RAID conf printout: [ 0.874723] --- level:5 rd:4 wd:4 [ 0.874724] disk 0, o:1, dev:sda [ 0.874725] disk 1, o:1, dev:sdb [ 0.874725] disk 2, o:1, dev:sdc [ 0.874726] disk 3, o:1, dev:sdd [ 0.874735] md126: detected capacity change from 0 to 750170144768 [ 0.874750] RAID conf printout: [ 0.874752] --- level:5 rd:4 wd:4 [ 0.874753] disk 0, o:1, dev:sda [ 0.874753] disk 1, o:1, dev:sdb [ 0.874754] disk 2, o:1, dev:sdc [ 0.874755] disk 3, o:1, dev:sdd [ 0.878857] md: md126 switched to read-write mode. [ 0.878863] RAID conf printout: [ 0.878865] --- level:5 rd:4 wd:4 [ 0.878866] disk 0, o:1, dev:sda [ 0.878867] disk 1, o:1, dev:sdb [ 0.878868] disk 2, o:1, dev:sdc [ 0.878868] disk 3, o:1, dev:sdd [ 0.914597] md126: p1 p2 p3 p4
