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SubjectRe: Trouble with swiotlb
Roland Fehrenbacher wrote:
> Hi,
>
> when building 2.4.28 or 2.4.27 on x86_64 with IOMMU and SWIOTLB support
> enabled I get unresolved symbol for 3 modules:
>
> depmod: *** Unresolved symbols in /lib/modules/2.4.28/kernel/drivers/net/e1000/e1000.o
> depmod: *** Unresolved symbols in /lib/modules/2.4.28/kernel/drivers/usb/host/uhci.o
> depmod: *** Unresolved symbols in /lib/modules/2.4.28/kernel/drivers/usb/host/usb-uhci.o
>
> When modprobing any of the modules I get:
> unresolved symbol swiotlb
>
> The kernel boots fine on Opterons and EM64T Xeons otherwise.
>
> Any ideas.

Looks like it just needs 'swiotlb' exported (as in 2.6.x).
Can you test the attached patch?
I don't have 2.4.x booting on x8-64 yet.

--
~Randy

linux-2428-work
<description>

Signed-off-by: Your Name <email@domain.tld>

diffstat:=
arch/x86_64/kernel/setup.c | 1 +
1 files changed, 1 insertion(+)

diff -Naurp ./arch/x86_64/kernel/setup.c~swiotlb ./arch/x86_64/kernel/setup.c
--- ./arch/x86_64/kernel/setup.c~swiotlb 2004-08-07 16:26:04.000000000 -0700
+++ ./arch/x86_64/kernel/setup.c 2004-12-03 11:54:07.000000000 -0800
@@ -52,6 +52,7 @@ int acpi_disabled;
EXPORT_SYMBOL(acpi_disabled);

int swiotlb;
+EXPORT_SYMBOL(swiotlb);

extern int phys_proc_id[NR_CPUS];
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