#1645: ath_pci panic when memory remapping enabled in bios (4Gb RAM)
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Reporter: [EMAIL PROTECTED] | Owner:
Type: defect | Status: new
Priority: major | Milestone:
Component: madwifi: other | Version: v0.9.3.3
Resolution: | Keywords: memory remapping 4Gb
ASUS Atheros
Patch_attached: 0 |
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Comment (by [EMAIL PROTECTED]):
I will try this today at night (this server is in production with memory
remapping off - Unfortunately I can only run tests at night :-/)
Looks like there are other people with same problem, using the same
solution (second paragraph - ticket 1159):
"Another bug which merits a separate ticket is that the atheros driver is
not compatible with the IOMMU kernel option on the x86_64 architecture. In
a nutshell since I have more than 3GB RAM in my box if I enable the "remap
memory" BIOS (northbridge) option, every standard 2.6.20 driver seems to
be IOMMU compliant, but if the latest (svn trunk, version Feb. 17) atheros
driver is installed I get a lockup (i.e. CAPS lock key doesn't turn light
off/on) on startup when the driver is loaded. So for now I disable memory
remapping in the BIOS as a workaround. IOMMU and suboptions seem to be
applicable to late series kernels, e.g. definitely 2.6.20 but it doesn't
seem to be obeyed by drivers in older kernels like 2.6.17-11. In other
words, don't bother investigating this issue on older kernels."
Regards !
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Ticket URL: <http://madwifi.org/ticket/1645#comment:3>
madwifi.org <http://madwifi.org/>
Multiband Atheros Driver for Wireless Fidelity
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