Messages in this thread Patch in this message | | | Date | Thu, 11 Apr 2002 00:47:09 +1000 | Subject | [PATCH] ACPI oops with 2.5.8-pre3 on asus dual athlon (A7M266-D) | From | (Mikolaj J. Habryn) |
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Null pointer dereference in some deep internal ACPI state thing. Attached patch gets it past that point, but kernel then hangs after probing disks (as did -pre2, and possibly earlier ones). Almost certainly not the right fix :)
m. --- linux-2.5.8-pre3/drivers/acpi/executer/exfield.c.orig Thu Apr 11 00:40:19 2002 +++ linux-2.5.8-pre3/drivers/acpi/executer/exfield.c Thu Apr 11 00:36:52 2002 @@ -103,6 +103,10 @@ /* Handle both ACPI 1.0 and ACPI 2.0 Integer widths */ integer_size = sizeof (acpi_integer); + if (!walk_state || !walk_state->method_node) { + printk("ACPI argh!\n"); + return_ACPI_STATUS(AE_ERROR); + } if (walk_state->method_node->flags & ANOBJ_DATA_WIDTH_32) { /* * We are running a method that exists in a 32-bit ACPI table. | |