The bug exists in the latest upstream kernel (v3.11-rc4-saucy). I see
identical behavior to the originally reported bug. MD fails to see my
intel fakeraid array but both physical members of the array are online
and readable.
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I'm reluctant to upgrade the BIOS on a PC that is otherwise working fine
but I agree that my BIOS is quite out of date. So, I'll probably upgrade
tomorrow. (Have to go to work now).
That said, I'm skeptical upgrading the BIOS would matter because Linux
3.2.0-49 works fine and 3.2.0-51 doesn't.
I can't test 3.2.46 because there are no amd64 packages available in
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.2.46-precise. (There
were no Intel CPU packages at all). I did test 3.2.47 and 3.2.48 images
and *both* of them fail to detect my Intel fakeraid array.
I also looked into updating
** Changed in: linux (Ubuntu)
Status: Incomplete = Invalid
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https://bugs.launchpad.net/bugs/1210104
Title:
Intel FakeRAID *Regression* in Kubuntu 12.04 with Linux
I found and fixed this problem and it has nothing to do with the kernel.
Intel RAID is *extremely* finicky and I remembered that it required two
tweaks to the initrd build process. I originally implemented those
tweaks in a couple of the MDADM 'hook' files under /usr/share. That was
my mistake.
The files that have to be customized or overridden by adding hooks under
/etc are:
/lib/udev/rules.d/64-md-raid.rules
/usr/share/initramfs-tools/hooks/mdadm
so I think this is more of an MDADM issue instead of a generic
setup/config issue. But, that depends on which package actually owns
3.2.0-51 kernel log
** Attachment added: Kernel log from 3.2.0-51 (that fails to start FakeRAID)
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1210104/+attachment/3764809/+files/3.2.0-51.log
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Public bug reported:
I have been using Intel FakeRAID on an Asus Z77 motherboard on Kubuntu
12.04 for months. I'm using the MDADM version and not DMRAID. It has
been working fine other than a couple minor issues with clean shutdowns
that I fixed by tweaking a couple of the scripts under /etc.
I
apport information
** Attachment added: Card0.Codecs.codec.0.txt
https://bugs.launchpad.net/bugs/1210104/+attachment/3764828/+files/Card0.Codecs.codec.0.txt
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apport information
** Tags added: apport-collected precise staging
** Description changed:
I have been using Intel FakeRAID on an Asus Z77 motherboard on Kubuntu
12.04 for months. I'm using the MDADM version and not DMRAID. It has
been working fine other than a couple minor issues with
apport information
** Attachment added: BootDmesg.txt
https://bugs.launchpad.net/bugs/1210104/+attachment/3764826/+files/BootDmesg.txt
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apport information
** Attachment added: AplayDevices.txt
https://bugs.launchpad.net/bugs/1210104/+attachment/3764824/+files/AplayDevices.txt
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apport information
** Attachment added: AlsaDevices.txt
https://bugs.launchpad.net/bugs/1210104/+attachment/3764823/+files/AlsaDevices.txt
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apport information
** Attachment added: Card1.Amixer.values.txt
https://bugs.launchpad.net/bugs/1210104/+attachment/3764829/+files/Card1.Amixer.values.txt
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apport information
** Attachment added: ArecordDevices.txt
https://bugs.launchpad.net/bugs/1210104/+attachment/3764825/+files/ArecordDevices.txt
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apport information
** Attachment added: IwConfig.txt
https://bugs.launchpad.net/bugs/1210104/+attachment/3764832/+files/IwConfig.txt
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apport information
** Attachment added: Card0.Amixer.values.txt
https://bugs.launchpad.net/bugs/1210104/+attachment/3764827/+files/Card0.Amixer.values.txt
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apport information
** Attachment added: Card1.Codecs.codec.0.txt
https://bugs.launchpad.net/bugs/1210104/+attachment/3764830/+files/Card1.Codecs.codec.0.txt
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apport information
** Attachment added: UdevDb.txt
https://bugs.launchpad.net/bugs/1210104/+attachment/3764840/+files/UdevDb.txt
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apport information
** Attachment added: CurrentDmesg.txt
https://bugs.launchpad.net/bugs/1210104/+attachment/3764831/+files/CurrentDmesg.txt
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apport information
** Attachment added: Lspci.txt
https://bugs.launchpad.net/bugs/1210104/+attachment/3764833/+files/Lspci.txt
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OK. I added the apport data. Note that I am currently running 3.2.0-49,
which works, because my machine is almost useless with 3.2.0-51.
** Changed in: linux (Ubuntu)
Status: Incomplete = New
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apport information
** Attachment added: ProcModules.txt
https://bugs.launchpad.net/bugs/1210104/+attachment/3764838/+files/ProcModules.txt
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apport information
** Attachment added: Lsusb.txt
https://bugs.launchpad.net/bugs/1210104/+attachment/3764834/+files/Lsusb.txt
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apport information
** Attachment added: UserAsoundrcAsoundconf.txt
https://bugs.launchpad.net/bugs/1210104/+attachment/3764842/+files/UserAsoundrcAsoundconf.txt
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apport information
** Attachment added: PulseList.txt
https://bugs.launchpad.net/bugs/1210104/+attachment/3764839/+files/PulseList.txt
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apport information
** Attachment added: UdevLog.txt
https://bugs.launchpad.net/bugs/1210104/+attachment/3764841/+files/UdevLog.txt
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Tested upstream kernel as requested. Regression exists upstream too.
Added kernel-bug-exists-upstream tag.
** Tags added: kernel-bug-exists-upstream
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