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nova: show error message for un-handled exception

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Fixes #938
This commit is contained in:
Alexander Boettcher 2013-11-04 11:05:10 +01:00 committed by Norman Feske
parent ac05a5efdd
commit 59cb7d9263
1 changed files with 4 additions and 2 deletions
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6
base-nova/src/base/pager/pager.cc
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@ -103,7 +103,7 @@ void Pager_object::_exception_handler(addr_t portal_id)
Pager_object *obj;
Utcb *utcb = _check_handler(myself, obj);
addr_t fault_ip = utcb->ip;
uint8_t res = Nova::NOVA_OK;
uint8_t res = 0xFF;
if (obj->submit_exception_signal())
res = obj->client_recall();
@ -113,7 +113,9 @@ void Pager_object::_exception_handler(addr_t portal_id)
myself->name(client_name, sizeof(client_name));
PWRN("unresolvable exception at ip 0x%lx, exception portal 0x%lx, %s, "
"'%s'", fault_ip, portal_id, res == NOVA_OK ? "" : "recall failed",
"'%s'", fault_ip,
portal_id, res == 0xFF ? "no signal handler" :
res == NOVA_OK ? "" : "recall failed",
client_name);
Nova::revoke(Obj_crd(portal_id, 0));