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View Full Version : System randomly freezes - kernel issue



wintonian
16th November 2015, 12:10 AM
Twice now in the last 2/ 3 days Fedora 23 has suddenly and inexplicably frozen, requiring me to hard reset via the the physical switch.

Running kernel is; 4.2.6-300.


~$ sudo journalctl -r

2013-08-07 23:00:16 BST, end at Sun 2015-11-15 23:17:24 GMT. --
Nov 15 23:17:24 elrond kernel: RIP [<ffffffff810b9f25>] task_tgid_nr_ns+0x5/0x50
Nov 15 23:17:24 elrond kernel: Code: 72 0d 48 c1 e2 05 48 01 d7 48 39 4f 38 74 02 5d c3 8b 47 30 5d c3 31 c9 48 85 ff 75 d8 31 c0 5d c3 0f 1f 44 00 00 0f 1f 44 00 00 <48> 8
Nov 15 23:17:24 elrond kernel: [<ffffffff817793ee>] entry_SYSCALL_64_fastpath+0x12/0x71
Nov 15 23:17:24 elrond kernel: [<ffffffff8121eff5>] SyS_read+0x55/0xc0
Nov 15 23:17:24 elrond kernel: [<ffffffff8121e277>] vfs_read+0x87/0x130
Nov 15 23:17:24 elrond kernel: [<ffffffff81320990>] ? security_file_permission+0xa0/0xc0
Nov 15 23:17:24 elrond kernel: [<ffffffff8121d947>] __vfs_read+0x37/0x100
Nov 15 23:17:24 elrond kernel: [<ffffffff812414dc>] seq_read+0xec/0x390
Nov 15 23:17:24 elrond kernel: [<ffffffff81289644>] proc_single_show+0x54/0x90
Nov 15 23:17:24 elrond kernel: [<ffffffff8128f054>] proc_tgid_stat+0x14/0x20
Nov 15 23:17:24 elrond kernel: [<ffffffff8128dcbd>] ? do_task_stat+0x29d/0xb90
Nov 15 23:17:24 elrond kernel: Call Trace:
Nov 15 23:17:24 elrond kernel: ffff8800cf64b368 00000000230b437b ffff8802000013fc ffff8801e0017cc0
Nov 15 23:17:24 elrond kernel: ffffffffffffffff 0000000000000000 ffff8801ff3a8540 0000000000000000
Nov 15 23:17:24 elrond kernel: ffffffff8128dcbd ffff8800aebb7c58 ffffffffffffffff 0000000000000000
Nov 15 23:17:24 elrond kernel: Stack:
Nov 15 23:17:24 elrond kernel: CR2: 000055856eabf098 CR3: 000000006a1b5000 CR4: 00000000000406e0
Nov 15 23:17:24 elrond kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Nov 15 23:17:24 elrond kernel: FS: 00007f0c85a23880(0000) GS:ffff88021edc0000(0000) knlGS:0000000000000000
Nov 15 23:17:24 elrond kernel: R13: ffff880213b65400 R14: 0000000000001000 R15: 00000000020144ef
Nov 15 23:17:24 elrond kernel: R10: ffff8800aebb7cf0 R11: 00000000014d0a01 R12: ffff88006a0a3b00
Nov 15 23:17:24 elrond kernel: RBP: ffff8800aebb7d58 R08: ffff880212171780 R09: 0000052a3271187c
Nov 15 23:17:24 elrond kernel: RDX: ffffffff81c493c0 RSI: ffffffff81c493c0 RDI: ff008801feb0d880
Nov 15 23:17:24 elrond kernel: RAX: 00000000000013fc RBX: ffff8801e0017cc0 RCX: ffff880212171780
Nov 15 23:17:24 elrond kernel: RSP: 0018:ffff8800aebb7c10 EFLAGS: 00010046
Nov 15 23:17:24 elrond kernel: RIP: 0010:[<ffffffff810b9f25>] [<ffffffff810b9f25>] task_tgid_nr_ns+0x5/0x50
Nov 15 23:17:24 elrond kernel: task: ffff8800d4a13b00 ti: ffff8800aebb4000 task.ti: ffff8800aebb4000
Nov 15 23:17:24 elrond kernel: Hardware name: To be filled by O.E.M. To be filled by O.E.M./SABERTOOTH 990FX R2.0, BIOS 2501 04/08/2014
Nov 15 23:17:24 elrond kernel: CPU: 7 PID: 3911 Comm: pidof Tainted: P OE 4.2.6-300.fc23.x86_64 #1
Nov 15 23:17:24 elrond kernel: snd_seq snd_seq_device snd_pcm cfg80211 sp5100_tco i2c_piix4 drm snd_timer snd soundcore rfkill shpchp tpm_infineon tpm_tis tpm acpi_cpufreq
Nov 15 23:17:24 elrond kernel: Modules linked in: bnep bluetooth nf_conntrack_netbios_ns nf_conntrack_broadcast ip6t_rpfilter ip6t_REJECT nf_reject_ipv6 xt_conntrack ebtabl
Nov 15 23:17:24 elrond kernel: general protection fault: 0000 [#1] SMP

Suggestions please?