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-rw-r--r--src/arch/alpha/remote_gdb.cc2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/arch/alpha/remote_gdb.cc b/src/arch/alpha/remote_gdb.cc
index 4637bd7a6..a68e5218e 100644
--- a/src/arch/alpha/remote_gdb.cc
+++ b/src/arch/alpha/remote_gdb.cc
@@ -187,7 +187,7 @@ RemoteGDB::acc(Addr va, size_t len)
if (AlphaISA::PcPAL(va) || va < 0x10000)
return true;
- Addr ptbr = context->readMiscReg(AlphaISA::IPR_PALtemp20);
+ Addr ptbr = context->readMiscRegNoEffect(AlphaISA::IPR_PALtemp20);
TheISA::PageTableEntry pte = TheISA::kernel_pte_lookup(context->getPhysPort(), ptbr, va);
if (!pte.valid()) {
DPRINTF(GDBAcc, "acc: %#x pte is invalid\n", va);