无法处理内核分页请求可能存在哪些问题

无法处理内核分页请求可能存在哪些问题

由于系统崩溃/挂起,无法获取更长的错误:

Jun 02 08:09:45 G4560 kernel: BUG: unable to handle kernel paging request at ffff8e342f9f5c00
Jun 02 08:09:45 G4560 kernel: IP: get_futex_value_locked+0x5/0x40

有时它会显示类似这样的信息(并挂起):

屏幕片段

使用64位 ubuntu 18.04,linux-4.15.0-101

使用 Intel G4560, ASrock Z170 Gaming K6

附加信息 #1(根据评论的要求)

$ free -h
              total        used        free      shared  buff/cache   available
Mem:           62Gi        11Gi        31Gi       2,1Gi        19Gi        48Gi
Swap:         2,0Gi          0B       2,0Gi

$ grep -i swap /etc/fstab
/swapfile                                 none            swap    sw              0       0

$ sudo blkid
/dev/sdb5: UUID="48c76170-0392-44ce-a8c6-f790673c8f32" TYPE="ext4" PARTUUID="0e14aa1d-05"
/dev/loop0: TYPE="squashfs"
/dev/loop1: TYPE="squashfs"
/dev/loop2: TYPE="squashfs"
/dev/loop3: TYPE="squashfs"
/dev/loop4: TYPE="squashfs"
/dev/loop5: TYPE="squashfs"
/dev/loop6: TYPE="squashfs"
/dev/loop7: TYPE="squashfs"
/dev/sda1: LABEL="S2T1bad" UUID="9ccaf888-65f7-4679-a36a-f5b61fb17473" TYPE="ext4" PARTUUID="00088c2e-01"
/dev/sdb1: UUID="EB85-DF8F" TYPE="vfat" PARTUUID="0e14aa1d-01"
/dev/sdd2: LABEL="W3T" UUID="142849d7-f252-4445-aa2e-d80025a07def" TYPE="ext4" PARTUUID="2d9c04cd-6e9b-4067-b065-7c90596175c8"
/dev/sdc1: LABEL="W3T41bad" UUID="94bd95c8-3466-427c-9073-447a79a2b903" TYPE="ext4" PARTUUID="1d6c10c6-a6c1-4a25-a80f-6afb1ae74a5e"
/dev/sde2: LABEL="M320G" UUID="21062e0c-21e4-4b34-a674-4b807059837e" TYPE="ext4" PARTUUID="0001f386-02"
/dev/sdf1: LABEL="W8T1bad" UUID="f7cbc067-26d5-4115-a539-4527a9e834fc" TYPE="ext4" PARTUUID="7ff0ed9e-63ad-4594-b572-34d41ed93933"
/dev/sdg1: LABEL="W8T" UUID="afebff04-ed3f-4987-8783-1eb722a22554" TYPE="ext4" PARTUUID="0c648df4-3dee-44fd-861c-946c7d9bb4c4"
/dev/sdh1: LABEL="w8tnew" UUID="998bec6f-4b11-4bb3-a878-8529c0a8c11d" TYPE="ext4" PARTUUID="2a7bf730-db0a-4586-919b-baf6c2979084"
/dev/sdi1: LABEL="L1" UUID="01492680-b253-45fe-a234-6710e50eb8bf" TYPE="ext4" PARTUUID="5f67ac6c-9b52-4c98-a9ed-102911559294"

RAM 已经测试过memtest86全部 13 项测试 x 2 均通过,没有错误。

附加信息 #2

使用时再次冻结,但没有屏幕片段:

$ sudo dmidecode -s bios-version
P7.40

$ last reboot
reboot   system boot  5.4.0-33-generic Tue Jun  2 20:04 - 12:11  (16:07) --> froze (without screen fragment)
reboot   system boot  5.4.0-33-generic Tue Jun  2 20:01 - 12:11  (16:10)
reboot   system boot  5.4.0-33-generic Tue Jun  2 09:23 - 12:56  (03:32)
reboot   system boot  5.4.0-33-generic Tue Jun  2 08:32 - 09:22  (00:50) --> froze (without screen fragment)
reboot   system boot  4.15.0-101-gener Tue Jun  2 08:24 - 08:31  (00:07)
reboot   system boot  4.15.0-101-gener Tue Jun  2 07:29 - 08:31  (01:02) --> froze (with screen fragment)
reboot   system boot  4.15.0-101-gener Tue Jun  2 06:48 - 08:31  (01:43)
reboot   system boot  4.15.0-32-generi Tue Jun  2 06:24 - 06:47  (00:23)

目前已更新至最新 BIOS 和可用内核,也已更新至 Ubuntu 20.04:

$ sudo dmidecode -s bios-version
P7.50

$ uname -a
Linux G4560 5.4.0-33-generic #37-Ubuntu SMP Thu May 21 12:53:59 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux

答案1

华擎 Z170 Gaming K6

您的 BIOS 版本是 P7.40,发布日期为 2018 年 3 月 12 日。

有更新的 BIOS,版本 7.50 可用,日期为 2018 年 10 月 26 日,可以下载这里

笔记:更新 BIOS 之前请做好备份。

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