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deepin
2021-03-14 02:27 deepin 系统版本：deepin v20
cpu:amd 3500x
显卡，nvidia gtx750
驱动， |NVIDIA-SMI 455.45.01 Driver Version: 455.45.01 CUDA Version: N/A |
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#1
Ziggy
deepin
2021-03-14 03:54 deepin 驱动太新了，换个390的吧https://bbs.deepin.org/zh/post/200178，不行再重装dde
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133******22 deepin
2021-03-14 04:34 deepin Ziggy：
驱动太新了，换个390的吧https://bbs.deepin.org/zh/post/200178，不行再重装dde
感谢回复！
但是我怎么卸载这个新版本的驱动呢，apt remove 卸载了455驱动，重启后加载的还是455，用显卡驱动切换程序切换到开源驱动，重启回来还是455驱动。。。
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Ziggy deepin
2021-03-14 06:08 deepin 133******22：
感谢回复！
但是我怎么卸载这个新版本的驱动呢，apt remove 卸载了455驱动，重启后加载的还是455，用显卡驱动切换程序切换到开源驱动，重启回来还是455驱动。。。
确定卸载干净了吗？apt search 455看看有没有残余
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133******22 deepin
2021-03-14 18:25 deepin Ziggy：
确定卸载干净了吗？apt search 455看看有没有残余
感谢回复！
通过提示把455卸载干净了，重启后换上了开源驱动
[ 3.189376] nouveau 0000:2b:00.0: DRM: allocated 1920x1080 fb: 0x80000, bo 000000008024a8bd
[ 3.189404] fbcon: nouveaudrmfb (fb0) is primary device
[ 3.195747] sdb: sdb1
[ 3.195980] sd 3:0:0:0: [sdb] Attached SCSI disk
[ 3.240013] Console: switching to colour frame buffer device 180x56
[ 3.240813] nouveau 0000:2b:00.0: fb0: nouveaudrmfb frame buffer device
但是apt reinstall dde 和apt reinstall dde-launcher 后，问题依旧：
[ 68.408644] dde-launcher[8484]: segfault at 300000008 ip 00007fe5bb9ea8c4 sp 00007ffe693b5740 error 4 in libQt5Gui.so.5.11.3[7fe5bb979000+3ce000]
[ 68.408651] Code: f5 f8 ff 90 66 90 53 48 89 fb e8 a7 fc ff ff 48 89 df be 10 00 00 00 5b e9 29 ec f8 ff 90 0f 1f 84 00 00 00 00 00 48 83 ec 28 <48> 8b 56 08 48 8d 0d b1 32 fc ff 48 89 f8 64 48 8b 3c 25 28 00 00
[ 88.902806] polkit-agent-he[8576]: segfault at 7f64214d6766 ip 00007f64214d6766 sp 00007ffead3f77f8 error 14 in ld-2.28.so[7f64214dc000+1000]
[ 88.902812] Code: Bad RIP value.
等会重装nvidia 390驱动试一下
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133******22 deepin
2021-03-14 18:49 deepin Ziggy：
确定卸载干净了吗？apt search 455看看有没有残余
通过apt install 安装390的驱动，然后blacklist nouven驱动。reboot不能进入桌面。启用390驱动还需要其他步骤吗？
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Ziggy deepin
2021-03-14 23:48 deepin 133******22：
通过apt install 安装390的驱动，然后blacklist nouven驱动。reboot不能进入桌面。启用390驱动还需要其他步骤吗？
显示什么报错?
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133******22 deepin
2021-03-16 01:51 deepin Ziggy：
显示什么报错?
十分感谢版主帮忙。实在有点晕了，先不搞了，暂时先不去点那个dde-launcher就是好了。
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dmesg
[ 175.796114] dde-launcher[8022]: segfault at 300000008 ip 00007fdd8a95e8c4 sp 00007ffd004f1a20 error 4 in libQt5Gui.so.5.11.3[7fdd8a8ed000+3ce000]
[ 175.796119] Code: f5 f8 ff 90 66 90 53 48 89 fb e8 a7 fc ff ff 48 89 df be 10 00 00 00 5b e9 29 ec f8 ff 90 0f 1f 84 00 00 00 00 00 48 83 ec 28 <48> 8b 56 08 48 8d 0d b1 32 fc ff 48 89 f8 64 48 8b 3c 25 28 00 00
[ 295.793148] dde-launcher[8455]: segfault at 300000008 ip 00007fbb9734c8c4 sp 00007ffe44c64ed0 error 4 in libQt5Gui.so.5.11.3[7fbb972db000+3ce000]
[ 295.793154] Code: f5 f8 ff 90 66 90 53 48 89 fb e8 a7 fc ff ff 48 89 df be 10 00 00 00 5b e9 29 ec f8 ff 90 0f 1f 84 00 00 00 00 00 48 83 ec 28 <48> 8b 56 08 48 8d 0d b1 32 fc ff 48 89 f8 64 48 8b 3c 25 28 00 00
[ 415.791573] dde-launcher[9100]: segfault at 300000008 ip 00007f037bc8f8c4 sp 00007ffd026e8bf0 error 4 in libQt5Gui.so.5.11.3[7f037bc1e000+3ce000]
[ 415.791577] Code: f5 f8 ff 90 66 90 53 48 89 fb e8 a7 fc ff ff 48 89 df be 10 00 00 00 5b e9 29 ec f8 ff 90 0f 1f 84 00 00 00 00 00 48 83 ec 28 <48> 8b 56 08 48 8d 0d b1 32 fc ff 48 89 f8 64 48 8b 3c 25 28 00 00
[ 573.560305] dde-launcher[9445]: segfault at 300000008 ip 00007f3d3983e8c4 sp 00007ffcff5e75a0 error 4 in libQt5Gui.so.5.11.3[7f3d397cd000+3ce000]
[ 573.560311] Code: f5 f8 ff 90 66 90 53 48 89 fb e8 a7 fc ff ff 48 89 df be 10 00 00 00 5b e9 29 ec f8 ff 90 0f 1f 84 00 0