Control: tag -1 moreinfo On Tue, 2015-03-10 at 00:09 -0600, Dan Brown wrote: > Package: src:linux > Version: 3.16.7-ckt7-1 > Severity: important > > Dear Maintainer, > > > I have an old Dell (Dimension XPS B766r) which was previously running > Debian 6 on it serving as a fileserver with 8 sata HDDs, 2 IDE HDDs, > and an SD to IDE adapter running the OS. It has two PCI RAID cards > running in jBOD to facilitate the numerous drives. The MegaRAID PCI > card is detected and it's drives all show up. The Silicon Image SiI > 3114 RAID card is detected but has a conflict with the IRQ for the > floppy drive (which is disabled in BIOS). [...]
Is the floppy _drive_ disabled (drive type set to 'none'), or the floppy
_controller_ (in an 'on-board devices' menu)? In the latter case
In any case, the BIOS performs initial assignment of IRQs, so this
conflict is probably a BIOS bug. Do any of the following workarounds
work for you?
- Disable/enable the floppy controller in the BIOS (i.e. invert the
current setting)
- Disable assignment of IRQ#6 by the BIOS, if possible (probably an
option in a menu labelled 'Plug and Play' or similar)
- Add kernel parameter 'pci=usepirqmask' (but the bug this works around
seems to be mostly found in laptops)
- Blacklist the floppy driver:
echo 'blacklist floppy' > /etc/modprobe.d/floppy-blacklist.conf
Ben.
--
Ben Hutchings
Any smoothly functioning technology is indistinguishable from a rigged demo.
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