{"id":89957,"date":"2020-07-27T13:42:24","date_gmt":"2020-07-27T11:42:24","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/obnovlenie-okonnogo-menedzhera-xfwm4-4-14-3"},"modified":"2020-07-27T13:42:24","modified_gmt":"2020-07-27T11:42:24","slug":"obnovlenie-okonnogo-menedzhera-xfwm4-4-14-3","status":"publish","type":"post","link":"https:\/\/prohoster.info\/da\/blog\/news\/obnovlenie-okonnogo-menedzhera-xfwm4-4-14-3","title":{"rendered":"Opdatering af vinduesmanageren xfwm4 4.14.3","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Publiceret<\/a><\/noindex> udgivet vinduesh\u00e5ndterer xfwm4 4.14.3<\/a><\/noindex>, anvendt i brugergr\u00e6nsefladen Xfce til at vise vinduer p\u00e5 sk\u00e6rmen, dekorere vinduer og organisere deres bev\u00e6gelse, lukning og \u00e6ndring af st\u00f8rrelse. <\/p>\n

I den nye udgivelse tilf\u00f8jet<\/a><\/noindex> underst\u00f8ttelse af X11-udvidelse XRes<\/a><\/noindex> (X-Resource), som er aktiv<\/a><\/noindex> til at anmode X-serveren om information om PID'en for applikationen, der k\u00f8rer med brug af sandbox-isolationsmekanismer. Underst\u00f8ttelsen af XRes l\u00f8ser problemet med at tvangsafslutte h\u00e6ngende klientprocesser, hvis PID ikke kan identificeres via egenskaben _NET_WM_PID, da den spejler procesidentifikatoren inde i det isolerede milj\u00f8, som kan v\u00e6re forskellig fra identifikatoren i det globale navnerum. <\/p>\n

I den nye udgave er der ogs\u00e5 er blevet l\u00f8st<\/a><\/noindex> en s\u00e5rbarhed, der kan f\u00f8re til adgang til allerede frigivet hukommelse (use-after-free) og skrivning af data uden for det tildelte buffer under behandlingen af strenge med indstillinger. Derudover i xfwm4 4.14.3 er tilf\u00f8jet<\/a><\/noindex> yderligere fejlbehandlere XError, der forenkler diagnosticeringen af problemer relateret til XConfigureWindow-anmodninger.<\/p>\n

Nogle brugere har oplevet problemer efter opdatering til version 4.14.3 blev rapporteret<\/a><\/noindex> nedbrud ved fors\u00f8g p\u00e5 opstart p\u00e5 FreeBSD, som tilsyneladende skyldes den nye binding til libXres. Ogs\u00e5 i xfwm4 opstod<\/a><\/noindex> der er et problem med at identificere AMD-grafikkort ved aktivering af X11-udvidelsen XPresent til synkronisering af output med den vertikale synkronisering (vblank). XPresent blev aktiveret, n\u00e5r navnet p\u00e5 kortet indeholdt AMD-m\u00e6rket, mens nogle kort navngives<\/a><\/noindex> \u00abRadeon\u00bb uden omtale af ordet \u00abAMD\u00bb (for eksempel \u00abRadeon RX 570\u00bb). For disse kort blev vblank-h\u00e5ndtereren baseret p\u00e5 \u00abglx\u00bb aktiveret, som tydeligt halter efter i ydeevne.<\/p>\n

For eksempel, ved brug af glx, belaster afspilning af 4K-video i mpv GPU'en med 70% i h\u00f8j kvalitet og 50% i lav kvalitet, mens belastningen ved brug af XPresent falder til 50% og 30% henholdsvis, hvilket har en betydelig indvirkning p\u00e5 energiforbruget og ydeevnen. Problemet forbliver ubehandlet. For at tvinge XPresent kan man tilf\u00f8je indstillingen \/general\/vblank_mode i xfconf:<\/p>\n

xfconf-query -c xfwm4 -p \/general\/vblank_mode -t string -s \u00abxpresent\u00bb \u2014create<\/p>\n

<\/a><\/noindex><\/p>\n

Kilde: opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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