Bug 99411
| Summary: | Kernel panic after internet access goes down | ||
|---|---|---|---|
| Product: | Networking | Reporter: | Marco B (mblinux) |
| Component: | Other | Assignee: | Stephen Hemminger (stephen) |
| Status: | NEW --- | ||
| Severity: | blocking | CC: | adobriyan, shemming, szg00000 |
| Priority: | P1 | ||
| Hardware: | x86-64 | ||
| OS: | Linux | ||
| Kernel Version: | 4.0.4-2 | Subsystem: | |
| Regression: | No | Bisected commit-id: | |
| Attachments: | Full log for the kernel panic | ||
ffffffffffffffd8 is -40 which is -ELOOP. > ffffffffffffffd8 is -40 which is -ELOOP.
scratch that, I can't read
"<49> 8b 45 18" is "mov 0x18(%r13),%rax".
r13 is dead0000001000e8
l2cap_chan_del
__clear_chan_timer
l2cap_clear_timer
cancel_delayed_work returns !=0
l2cap_chan_put
l2cap_chan_destroy
kfree(chan);
+0: jmp <+8> +2: nopl (%rax) +5: mov %rdx,%r13 +8: mov (%rax),%ebx +10: mov -0x38(%rbp),%rcx +14: mov %r14d,%edx +17: mov %r15d,%esi +20: mov %rax,%rdi +23: callq *0x10(%rax) +26: test %eax,%eax +28: je <+41> +30: and $0x1,%ebx +33: je <+41> +35: subl $0x1,-0x3c(%rbp) +39: je <+61> +41: mov 0x18(%r13),%rax <=== +45: lea 0x18(%r13),%rcx +49: cmp %rcx,%r12 +52: lea -0x18(%rax),%rdx +56: mov %r13,%rax +59: jne <+5> l2cap_chan_del is in bluetooth |
Created attachment 178711 [details] Full log for the kernel panic Sometimes during the night the internet connection is reset by the ISP, after some seconds Linux panics with the following: BUG: unable to handle kernel paging request at ffffffffffffffd8 IP: [<ffffffff81093920>] kthread_data+0x10/0x20