Bug 208125
| Summary: | possible recursive locking detected (slock-AF_INET6) | ||
|---|---|---|---|
| Product: | [Fedora] Fedora | Reporter: | Mark Patton <mpatton> |
| Component: | kernel | Assignee: | Thomas Graf <tgraf> |
| Status: | CLOSED DUPLICATE | QA Contact: | Brian Brock <bbrock> |
| Severity: | medium | Docs Contact: | |
| Priority: | medium | ||
| Version: | 6 | CC: | davej, rkhan, wtogami |
| Target Milestone: | --- | ||
| Target Release: | --- | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | Doc Type: | Bug Fix | |
| Doc Text: | Story Points: | --- | |
| Clone Of: | Environment: | ||
| Last Closed: | 2006-10-04 23:38:48 UTC | Type: | --- |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
| Embargoed: | |||
| Bug Depends On: | |||
| Bug Blocks: | 202141 | ||
Description of problem: I've noticed the following warning in /var/log/messages: ============================================= [ INFO: possible recursive locking detected ] 2.6.17-1.2630.fc6 #1 --------------------------------------------- setxkbmap/2360 is trying to acquire lock: (slock-AF_INET6){-+..}, at: [<c05b36ee>] sk_clone+0xd4/0x2d8 but task is already holding lock: (slock-AF_INET6){-+..}, at: [<dfb8e4d1>] tcp_v6_rcv+0x327/0x736 [ipv6] other info that might help us debug this: 1 lock held by setxkbmap/2360: #0: (slock-AF_INET6){-+..}, at: [<dfb8e4d1>] tcp_v6_rcv+0x327/0x736 [ipv6] stack backtrace: [<c04051ee>] show_trace_log_lvl+0x58/0x171 [<c0405802>] show_trace+0xd/0x10 [<c040591b>] dump_stack+0x19/0x1b [<c043b915>] __lock_acquire+0x778/0x99c [<c043c0aa>] lock_acquire+0x4b/0x6d [<c061415b>] _spin_lock+0x19/0x28 [<c05b36ee>] sk_clone+0xd4/0x2d8 [<c05db24f>] inet_csk_clone+0xf/0x72 [<c05ec08d>] tcp_create_openreq_child+0x1b/0x3a1 [<dfb8d15d>] tcp_v6_syn_recv_sock+0x271/0x5b3 [ipv6] [<c05ec5e8>] tcp_check_req+0x1d5/0x2e9 [<dfb8c449>] tcp_v6_do_rcv+0x142/0x340 [ipv6] [<dfb8e88b>] tcp_v6_rcv+0x6e1/0x736 [ipv6] [<dfb74a6f>] ip6_input+0x1c3/0x296 [ipv6] [<dfb74fdf>] ipv6_rcv+0x1d2/0x21f [ipv6] [<c05b9758>] netif_receive_skb+0x205/0x274 [<c05bb0bc>] process_backlog+0x99/0xfa [<c05bb29f>] net_rx_action+0x9d/0x196 [<c04293b7>] __do_softirq+0x78/0xf2 [<c040668b>] do_softirq+0x5a/0xbe [<c04291ae>] local_bh_enable_ip+0xa9/0xcf [<c06140f9>] _spin_unlock_bh+0x25/0x28 [<c05b24ef>] release_sock+0xb0/0xb8 [<c05f4306>] inet_stream_connect+0x113/0x206 [<c05b1452>] sys_connect+0x67/0x84 [<c05b1ac4>] sys_socketcall+0x8c/0x186 [<c0403faf>] syscall_call+0x7/0xb DWARF2 unwinder stuck at syscall_call+0x7/0xb Leftover inexact backtrace: Version-Release number of selected component (if applicable): How reproducible: Very. Steps to Reproduce: 1. Boot the laptop 2. 3. Actual results: Warning message. Expected results: No warning. Additional info: The stack trace seems to indicate a problem with the networking, but I'm able to use wireless without a problem.