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Thread: Ubuntu Server 12.04 hangs up during boot

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hi all


have installed ubuntu server 12.04 64bit on sunfire x4540 server , experience problem during system boot. first provide details installation process. created 1 partition on /dev/sda disk , 1 partition on /dev/sdi disk. both partitions take whole space on disks. next created raid1 array on these 2 partitions (/dev/sda1, /dev/sdi1), created ext3 filesystem on , set mount point "/". carried out these step using partitioning tool included in system installation utility. installation accomplished - in last step installed grub on /dev/sda.

problem boot process stops in middle. when turn server on grub executed /dev/sda, correctly loads kernel array, kernel runs using initram disk. messages displayed on screen in 1 moment new messages stop appearing , nothing else happens. when press enter can see switched initram shell (i can see (initram) shell prompt) - can write commands, execute etc. have press ctrl+d continue boot process , system operational after few seconds. quite uncomfortable behaviour 1 needs near server when wants reboot.

here can examine dmesg output: http://justpaste.it/2dsh

there 1 more thing may reason of problem. in 1 moment during boot process, before hang up, can see following message

udevd[143]: timeout: killing '/sbin/modprobe -bv pci:v00001000d00000058sv00001000sd00001000bc01sc00 i00'

being displayed on screen constantly, in 1 message per second frequency. such displaying lasts 1 minute , boot hangs few moments after ends. there other messages displayed before hang, these 'timeout' messages last ones.

i've checked pci modalias parameters included in modprobe command , that's i've found:

vendor: lsi logic
device: pci-express fusion-mpt sas

no answer, /boot - inside mdadm raid1?


Forum The Ubuntu Forum Community Ubuntu Specialised Support Ubuntu Servers, Cloud and Juju Server Platforms Ubuntu Server 12.04 hangs up during boot


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