Messages in this thread Patch in this message | | | Date | Mon, 21 Jun 2004 01:55:25 +0200 (MEST) | From | Mikael Pettersson <> | Subject | [PATCH] 2.4.27-rc1 i386 and x86_64 ACPI mpparse timer bug |
| |
2.4.27-rc1 reintroduced the double-speed timer ACPI bug. Both x86-64 and i386 are affected.
The patch below fixes it on my box. It's a backport of a patch Hans-Frieder Vogt made for 2.6.7-bk2, extended to also handle i386.
/Mikael Pettersson
diff -ruN linux-2.4.27-rc1/arch/i386/kernel/mpparse.c linux-2.4.27-rc1.mpparse-fix/arch/i386/kernel/mpparse.c --- linux-2.4.27-rc1/arch/i386/kernel/mpparse.c 2004-06-21 00:39:30.000000000 +0200 +++ linux-2.4.27-rc1.mpparse-fix/arch/i386/kernel/mpparse.c 2004-06-21 00:50:01.000000000 +0200 @@ -1211,7 +1211,7 @@ for (idx = 0; idx < mp_irq_entries; idx++) if (mp_irqs[idx].mpc_srcbus == MP_ISA_BUS && - (mp_irqs[idx].mpc_dstapic == ioapic) && + (mp_irqs[idx].mpc_dstapic == mp_ioapics[ioapic].mpc_apicid) && (mp_irqs[idx].mpc_srcbusirq == i || mp_irqs[idx].mpc_dstirq == i)) break; diff -ruN linux-2.4.27-rc1/arch/x86_64/kernel/mpparse.c linux-2.4.27-rc1.mpparse-fix/arch/x86_64/kernel/mpparse.c --- linux-2.4.27-rc1/arch/x86_64/kernel/mpparse.c 2004-06-21 00:39:30.000000000 +0200 +++ linux-2.4.27-rc1.mpparse-fix/arch/x86_64/kernel/mpparse.c 2004-06-21 00:50:01.000000000 +0200 @@ -866,7 +866,7 @@ for (idx = 0; idx < mp_irq_entries; idx++) if (mp_irqs[idx].mpc_srcbus == MP_ISA_BUS && - (mp_irqs[idx].mpc_dstapic == ioapic) && + (mp_irqs[idx].mpc_dstapic == intsrc.mpc_dstapic) && (mp_irqs[idx].mpc_srcbusirq == i || mp_irqs[idx].mpc_dstirq == i)) break; - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |