Hello,

I've just hit a case of contention on the e1000 NVM with a vanilla 2.6.27
kernel, which resulted in the following warning being logged. So far I have
not been able to reproduce it a second time. I doubt the binary nvidia
module had anything to do with it, though.

Cheers,

- Udo


Nov 2 21:52:17 laptop dhcpcd[1477]: timed out waiting for a valid DHCP server response
Nov 2 21:52:17 laptop dhcpcd[1477]: timed out waiting for a valid DHCP server response
Nov 2 21:52:18 laptop kernel: ------------[ cut here ]------------
Nov 2 21:52:18 laptop kernel: WARNING: at drivers/net/e1000e/ich8lan.c:403e1000_acquire_swflag_ich8lan+0x31/0xa7()
Nov 2 21:52:18 laptop kernel: e1000e mutex contention. Owned by pid -1
Nov 2 21:52:18 laptop kernel: Modules linked in: nvidia(P)
Nov 2 21:52:18 laptop kernel: Pid: 1477, comm: dhcpcd Tainted: P 2.6.27 #1
Nov 2 21:52:18 laptop kernel: [] warn_slowpath+0x61/0x86
Nov 2 21:52:18 laptop kernel: [] sched_slice+0x45/0x4b
Nov 2 21:52:18 laptop kernel: [] hrtimer_forward+0xe2/0xfe
Nov 2 21:52:18 laptop kernel: [] getnstimeofday+0x32/0xb1
Nov 2 21:52:18 laptop kernel: [] __dequeue_entity+0x1f/0x71
Nov 2 21:52:18 laptop kernel: [] pick_next_task_fair+0x9d/0xa7
Nov 2 21:52:18 laptop kernel: [] schedule+0x58d/0x5dd
Nov 2 21:52:18 laptop kernel: [] e1000_acquire_swflag_ich8lan+0x31/0xa7
Nov 2 21:52:18 laptop kernel: [] e1000_read_nvm_ich8lan+0x50/0xf6
Nov 2 21:52:18 laptop kernel: [] try_to_del_timer_sync+0x44/0x4a
Nov 2 21:52:18 laptop kernel: [] del_timer_sync+0xa/0x14
Nov 2 21:52:18 laptop kernel: [] e1000_valid_led_default_ich8lan+0x17/0x32
Nov 2 21:52:18 laptop kernel: [] e1000e_id_led_init+0x13/0x109
Nov 2 21:52:18 laptop kernel: [] e1000_init_hw_ich8lan+0xcd/0x17c
Nov 2 21:52:18 laptop kernel: [] e1000e_reset+0x124/0x1af
Nov 2 21:52:18 laptop kernel: [] e1000e_down+0xf3/0x104
Nov 2 21:52:18 laptop kernel: [] e1000_close+0x29/0x9f
Nov 2 21:52:18 laptop kernel: [] dev_close+0x5c/0x73
Nov 2 21:52:18 laptop kernel: [] dev_change_flags+0x93/0x13f
Nov 2 21:52:18 laptop kernel: [] devinet_ioctl+0x228/0x4f6
Nov 2 21:52:18 laptop kernel: [] packet_ioctl+0xc6/0xcb
Nov 2 21:52:18 laptop kernel: [] sock_ioctl+0x1ad/0x1d1
Nov 2 21:52:18 laptop kernel: [] sock_ioctl+0x0/0x1d1
Nov 2 21:52:18 laptop kernel: [] vfs_ioctl+0x1c/0x5d
Nov 2 21:52:18 laptop kernel: [] do_vfs_ioctl+0x21f/0x22b
Nov 2 21:52:18 laptop kernel: [] sys_ioctl+0x2c/0x44
Nov 2 21:52:18 laptop kernel: [] syscall_call+0x7/0xb
Nov 2 21:52:18 laptop kernel: =======================
Nov 2 21:52:18 laptop kernel: ---[ end trace 841a8f965990a8b9 ]---

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.9 (GNU/Linux)

iEYEARECAAYFAkkOFwkACgkQnhRzXSM7nSneRwCfVigCWTjoUZ hNPjO6XUkdrWoo
Gh8Anjq0LfMo4atCpBbGUSB2g+w7lPl9
=hZzA
-----END PGP SIGNATURE-----