From: Jos Hulzink <josh@stack.nl>
To: Linux Kernel Development <linux-kernel@vger.kernel.org>
Subject: [BUG] 2.5.20: APIC PCI IRQ remapping still lost.
Date: Fri, 7 Jun 2002 13:38:06 +0200 (CEST) [thread overview]
Message-ID: <20020607131626.S33468-100000@snail.stack.nl> (raw)
Hi,
This is an old one: been there since early 2.5. The IRQ remapping
table generated by my BIOS is taken over by the APIC, but (afaics) not by
the pci data structures. Result: Drivers claim the wrong IRQ line (as
can be seen in /proc/interrupts). No sound, not network, no SCSI, which
means: no root filesystem and thus no boot :(
At the moment I "fix" this by telling the kernel to ignore the APIC, this
is not the preferred way to go imho.
I also reported this somehwere around kernel 2.5.8 or something, got the
answer this was a know bug that was about to be fixed, but so far, no
improvement.
If it does matter: I got an Intel LX-chipset based SMP system.
Jos
reply other threads:[~2002-06-07 11:38 UTC|newest]
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