Fix cudaErrIllegalAddress by using correct device pointer (#6862)

Cstandardlib · web-flow · commit 880cd2fda81e · 2026-01-15T21:48:08.000+08:00
diff --git a/source/source_hsolver/diago_dav_subspace.cpp b/source/source_hsolver/diago_dav_subspace.cpp
@@ -323,7 +323,7 @@ void Diago_DavSubspace<T, Device>::cal_grad(const HPsiFunc& hpsi_func,
     }
 
     // vcc = - vcc * eigenvalue
-    ModuleBase::matrix_mul_vector_op<T, Device>()(nbase, notconv, vcc, this->nbase_x, eigenvalue_iter->data(), -1.0, vcc, this->nbase_x);
+    ModuleBase::matrix_mul_vector_op<T, Device>()(nbase, notconv, vcc, this->nbase_x, e_temp_hd, -1.0, vcc, this->nbase_x);
 
 #ifdef __DSP
     ModuleBase::gemm_op_mt<T, Device>()

Original file line number	Diff line number	Diff line change
`@@ -323,7 +323,7 @@ void Diago_DavSubspace<T, Device>::cal_grad(const HPsiFunc& hpsi_func,`
`323`	`323`	`}`
`324`	`324`
`325`	`325`	`// vcc = - vcc * eigenvalue`
`326`		`- ModuleBase::matrix_mul_vector_op<T, Device>()(nbase, notconv, vcc, this->nbase_x, eigenvalue_iter->data(), -1.0, vcc, this->nbase_x);`
	`326`	`+ ModuleBase::matrix_mul_vector_op<T, Device>()(nbase, notconv, vcc, this->nbase_x, e_temp_hd, -1.0, vcc, this->nbase_x);`
`327`	`327`
`328`	`328`	`#ifdef __DSP`
`329`	`329`	`ModuleBase::gemm_op_mt<T, Device>()`