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| /freebsd-10.0-release/sys/dev/pci/ | ||
| H A D | isa_pci.c | diff 106219 Wed Oct 30 17:55:06 MST 2002 iedowse Save and restore the interrupt Edge/Level Control Registers (ELCR) across system suspends on the Intel 82371AB PCI-ISA bridge. On a Sony Vaio C1XD that I have, these registers are not set correctly after an ACPI resume. The result is that after resuming, a shared IRQ is left in edge-triggered mode so the interrupt can later become jammed in a state where the line remains asserted, but the handler is never called. Reviewed by: jhb |
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