本周，我的 Dell Satellite 5520 遇到了随机死机（没有鼠标、没有 Ctrl-Alt-back、没有 Ctrl-Alt-F1）。这是我的系统的规格：
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OS: Linux Mint 20.3 x86_64
Host: Latitude E5520 01
Kernel: 5.4.0-97-generic
Uptime: 25 mins
Packages: 2826 (dpkg), 21 (flatpak)
Shell: bash 5.0.17
Resolution: 1680x1050
DE: MATE
WM: Metacity (Marco)
WM Theme: Mint-X
Theme: Mint-X [GTK2/3]
Icons: mate [GTK2/3]
Terminal: mate-terminal
Terminal Font: Monospace 10
CPU: Intel i5-2410M (4) @ 2.900GHz
GPU: Intel 2nd Generation Core Proce
Memory: 3458MiB / 5835MiB
我试图理解 kern.log，因为有痕迹，但我必须承认我在这里缺乏能力。这是跟踪：
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mem_cgroup_update_lru_size(00000000884d02e1, 2, -8): lru_size -2
WARNING: CPU: 0 PID: 103 at mm/memcontrol.c:1312 mem_cgroup_update_lru_size+0x90/0xa0
Modules linked in: hid_logitech_hidpp hid_logitech_dj uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common videodev mc intel_rapl_msr mei_hdcp snd_hda_codec_hdmi snd_hda_codec_idt snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hda_core snd_hwdep snd_pcm snd_seq_midi snd_seq_midi_event dell_rbtn nls_iso8859_1 dell_laptop intel_rapl_common ledtrig_audio x86_pkg_temp_thermal intel_powerclamp coretemp dell_smm_hwmon snd_rawmidi kvm_intel dell_wmi pcmcia dell_smbios snd_seq kvm input_leds joydev dcdbas rapl wmi_bmof iwldvm intel_cstate mac80211 sparse_keymap serio_raw dell_wmi_descriptor libarc4 snd_seq_device snd_timer iwlwifi snd cfg80211 yenta_socket pcmcia_rsrc pcmcia_core mei_me mei soundcore mac_hid dell_smo8800 nf_log_ipv6 ip6t_REJECT nf_reject_ipv6 xt_hl ip6t_rt nf_log_ipv4 nf_log_common ipt_REJECT nf_reject_ipv4 xt_LOG xt_limit xt_addrtype xt_tcpudp xt_conntrack nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 sch_fq_codel
ip6table_filter msr ip6_tables parport_pc ppdev iptable_filter lp parport bpfilter ip_tables x_tables autofs4 btrfs xor zstd_compress raid6_pq libcrc32c dm_mirror dm_region_hash dm_log hid_sunplus hid_generic usbhid hid i915 crct10dif_pclmul crc32_pclmul ghash_clmulni_intel i2c_algo_bit aesni_intel drm_kms_helper crypto_simd syscopyarea cryptd sysfillrect glue_helper sysimgblt firewire_ohci fb_sys_fops psmouse drm i2c_i801 firewire_core sdhci_pci ahci cqhci crc_itu_t libahci lpc_ich sdhci wmi video
CPU: 0 PID: 103 Comm: kswapd0 Not tainted 5.4.0-97-generic #110-Ubuntu
Hardware name: Dell Inc. Latitude E5520/0KCT5J, BIOS A01 04/20/2011
RIP: 0010:mem_cgroup_update_lru_size+0x90/0xa0
Code: 00 00 00 00 00 00 eb c7 89 f1 48 89 fa 41 89 d8 48 c7 c6 80 4d e7 8a 48 c7 c7 ab 84 18 8b c6 05 16 8d 95 01 01 e8 8c cd 7c 00 <0f> 0b eb cc 66 66 2e 0f 1f 84 00 00 00 00 00 90 66 66 66 66 90 55
RSP: 0018:ffff9df600223aa0 EFLAGS: 00010086
RAX: 0000000000000000 RBX: fffffffffffffff8 RCX: 0000000000000006
RDX: 0000000000000007 RSI: 0000000000000096 RDI: ffff8fa82881c8c0
RBP: ffff9df600223ab0 R08: 000000000000047d R09: 0000000000000004
R10: 0000000000000000 R11: 0000000000000001 R12: ffff8fa8244d5438
R13: 0000000000000001 R14: 0000000000000002 R15: 00000000fffffff8
FS: 0000000000000000(0000) GS:ffff8fa828800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005637c4fa8fe8 CR3: 000000009080a005 CR4: 00000000000606f0
Call Trace:
isolate_lru_pages+0x2e5/0x410
shrink_inactive_list+0x10d/0x3e0
shrink_node_memcg+0x137/0x370
shrink_node+0xbd/0x410
balance_pgdat+0x319/0x590
kswapd+0x1f8/0x3c0
? wait_woken+0x80/0x80
kthread+0x104/0x140
? balance_pgdat+0x590/0x590
? kthread_park+0x90/0x90
ret_from_fork+0x35/0x40
---[ end trace 10213b3acfe23295 ]---
我希望这足以确定问题所在。
此致，
MC
答案1
好吧，所以，我最终面临着濒临死亡的 initramfs 屏幕。已对我的 SSD 执行 fsck，发现一些损坏的 inode。
虽然我很惊讶系统日志中没有弹出任何内容......
希望它对其他人有帮助。