Hello,
I updated an older Ubuntu 18.04.6 LTS server today (June 1, 2023), via:
sudo apt upgrade and upon reboot I am seeing crashes in the kernel. It
appears to be related to networking (/net/core/stream.c), and yet this
server is still serving web pages successfully.
Debugging information
=====================
$ uname -ar
Linux server 4.15.0-212-generic #223-Ubuntu SMP Tue May 23 13:09:22 UTC
2023 x86_64 x86_64 x86_64 GNU/Linux
syslog (abbreviated):
Jun 1 18:25:47 server kernel: [ 334.057351] ------------[ cut here
]------------
Jun 1 18:25:47 server kernel: [ 334.057383] WARNING: CPU: 1 PID: 1916
at /build/linux-Oi1dQn/linux-4.15.0/net/core/stream.c:212
sk_stream_kill_queues+0xed/0x110
Jun 1 18:25:47 server kernel: [ 334.057383] Modules linked in:
ip6table_filter ip6_tables iptable_filter binfmt_misc nf_log_ipv6
nf_conntrack_ipv6 nf_defrag_ipv6 intel_rapl_perf input_leds nf_log_ipv4
nf_log_common joydev nft_log serio_raw qemu_fw_cfg mac_hid
nf_conntrack_ipv4 nf_defrag_ipv4 nft_ct nf_conntrack nft_meta
nft_set_bitmap nft_set_hash nft_set_rbtree nf_tables_ipv6 nf_tables_ipv4
sch_fq_codel ib_iser rdma_cm iw_cm ib_cm nf_tables ib_core iscsi_tcp
nfnetlink libiscsi_tcp libiscsi scsi_transport_iscsi virtio_rng
ip_tables x_tables autofs4 btrfs zstd_compress algif_skcipher af_alg
dm_crypt raid10 raid456 async_raid6_recov async_memcpy async_pq
async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear
hid_generic crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcbc
aesni_intel aes_x86_64 crypto_simd glue_helper
Jun 1 18:25:47 server kernel: [ 334.057424] cryptd psmouse usbhid hid
cirrus ttm drm_kms_helper virtio_blk syscopyarea sysfillrect sysimgblt
fb_sys_fops drm i2c_piix4 virtio_net pata_acpi floppy
Jun 1 18:25:47 server kernel: [ 334.057433] CPU: 1 PID: 1916 Comm:
python3 Tainted: G W 4.15.0-212-generic #223-Ubuntu
I would appreciate any feedback.
Thanks,
- J
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