On Wed, 10 Sep 2025 20:18:17 +0200 Claude Heiland-Allen <[email protected]> wrote:
Package: xserver-xorg-core Version: 2:21.1.16-1.3
Xorg keeps crashing when I leave my session idle. To try to turn off the screen saver, I ran from a fresh XFCE4 session:
Hello, with the help of the dbgsym packages the backtrace would look like in [1]. The backtrace leads to upstream reports in [2]. There is also a patch to leave the crashing function in case pci_sys is a NULL pointer. Kind regards, Bernhard [1] 0x0000556c30a41c68 in OsSigHandler at ../../../../os/osinit.c:135 0x00007fe3180b1df0 <__restore_rt> 0x00007fe3185b19b3 in pci_device_vgaarb_set_target at ../../src/common_vgaarb.c:235 0x0000556c30921a7b in xf86VGAarbiterLock at ../../../../../../hw/xfree86/common/xf86VGAarbiter.c:92 0x0000556c30904bd3 in xf86DPMS at ../../../../../../hw/xfree86/common/xf86DPMS.c:56 0x0000556c3097a614 in DPMSSet at ../../../../Xext/dpms.c:106 0x0000556c3097a76d in ProcDPMSDisable at ../../../../Xext/dpms.c:228 0x0000556c308c4c08 in Dispatch at ../../../../dix/dispatch.c:551 0x0000556c308c8ccf in dix_main at ../../../../dix/main.c:274 [2] https://sources.debian.org/src/libpciaccess/0.17-3/src/common_vgaarb.c#L235 https://gitlab.freedesktop.org/xorg/lib/libpciaccess/-/blob/master/src/common_vgaarb.c?ref_type=heads#L235 235 dev = pci_sys->vga_default_dev; https://sources.debian.org/src/xorg-server/2%3A21.1.16-1.3/hw/xfree86/common/xf86VGAarbiter.c#L92 https://gitlab.freedesktop.org/xorg/xserver/-/blob/master/hw/xfree86/common/xf86VGAarbiter.c?ref_type=heads#L92 92 pci_device_vgaarb_set_target(pScrn->vgaDev); [3] https://gitlab.freedesktop.org/xorg/xserver/-/issues/1831 https://gitlab.freedesktop.org/xorg/lib/libpciaccess/-/issues/25

