Build a temporary sandbox and download/install the necessary packages and debug symbols in there; without this option it assumes that the necessary packages and debug symbols are already installed in the system. The argument points to the packaging system configuration base directory; if you specify "system", it will use the system configuration files, but will then only be able to retrace crashes that happened on the currently running release.
Tog bogsa-gainmhich sealach is luchdaich a-nuas/stàlaich na pacaidean is samhlaidhean dì-bhugachaidh air a bheil feum ann; as aonais na roghainn seo, tuigear dheth gun deach na pacaidean is samhlaidhean dì-bhugachaidh iomchaidh a stàladh air an t-siostam mu thràth. Tha an argamaid seo a' tomhadh ris a' bhun-phasgan aig rèiteachadh siostam nam pacaidean; ma shònraicheas tu "system", cleachdaidh e faidhlichean rèiteachaidh an t-siostaim ach ma nì thu sin, chan urrainn dha retrace a dhèanamh air tuislidhean ach feadhainn san sgaoileadh a tha a' ruith an-dràsta fhèin.