On Mon, 04 Jun 2007 14:00:56 -0400 [EMAIL PROTECTED] wrote: > On Wed, 30 May 2007 23:58:23 PDT, Andrew Morton said: > > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.22-rc3/2.6.22-rc3-mm1/ > > Under 22-rc2-mm1, if my VPN connection got reset, ppp0 just quietly went away. > > Under 22-rc3-mm1, it seems to end up wedged and waiting for references to > go away: > > Jun 4 09:23:01 turing-police kernel: [90089.270707] unregister_netdevice: > waiting for ppp0 to become free. Usage count = 8 > Jun 4 09:23:11 turing-police kernel: [90099.396121] unregister_netdevice: > waiting for ppp0 to become free. Usage count = 8 > Jun 4 09:23:21 turing-police kernel: [90109.520574] unregister_netdevice: > waiting for ppp0 to become free. Usage count = 8 > Jun 4 09:23:32 turing-police kernel: [90119.653129] unregister_netdevice: > waiting for ppp0 to become free. Usage count = 8
Interesting refcount. > 'echo t > /proc/sysrq_trigger' shows pppd hung up here: > > Jun 4 10:52:57 turing-police kernel: [95478.047892] pppd D > 0000000105ad3830 4968 3815 1 (NOTLB) > Jun 4 10:52:57 turing-police kernel: [95478.047902] ffff810008d5fd78 > 0000000000000086 0000000000000000 ffff810003490000 > Jun 4 10:52:57 turing-police kernel: [95478.047911] ffff810008d5fd28 > ffff810008d4a040 ffff810003461820 ffff810008d4a2b0 > Jun 4 10:52:57 turing-police kernel: [95478.047920] 0000000105ad3733 > 0000000000000202 00000000000000ff ffffffff80239795 > Jun 4 10:52:57 turing-police kernel: [95478.047928] Call Trace: > Jun 4 10:52:57 turing-police kernel: [95478.047936] [<ffffffff805207a2>] > schedule_timeout+0x8d/0xb4 > Jun 4 10:52:57 turing-police kernel: [95478.047945] [<ffffffff805207e2>] > schedule_timeout_uninterruptible+0x19/0x1b > Jun 4 10:52:57 turing-police kernel: [95478.047954] [<ffffffff802397bb>] > msleep+0x14/0x1e > Jun 4 10:52:57 turing-police kernel: [95478.047963] [<ffffffff8048aa4e>] > netdev_run_todo+0x12f/0x234 > Jun 4 10:52:57 turing-police kernel: [95478.047972] [<ffffffff8049166f>] > rtnl_unlock+0x35/0x37 > Jun 4 10:52:57 turing-police kernel: [95478.047981] [<ffffffff804894a9>] > unregister_netdev+0x1e/0x23 > Jun 4 10:52:57 turing-police kernel: [95478.047994] [<ffffffff88a5f2c2>] > :ppp_generic:ppp_shutdown_interface+0x67/0xbb > Jun 4 10:52:57 turing-police kernel: [95478.048018] [<ffffffff88a5f5b8>] > :ppp_generic:ppp_release+0x33/0x65 > Jun 4 10:52:57 turing-police kernel: [95478.048028] [<ffffffff8028d54a>] > __fput+0xac/0x176 > Jun 4 10:52:57 turing-police kernel: [95478.048036] [<ffffffff8028d628>] > fput+0x14/0x16 > Jun 4 10:52:57 turing-police kernel: [95478.048045] [<ffffffff8028a9c6>] > filp_close+0x66/0x71 > Jun 4 10:52:57 turing-police kernel: [95478.048054] [<ffffffff8028bd54>] > sys_close+0x98/0xd7 > Jun 4 10:52:57 turing-police kernel: [95478.048062] [<ffffffff8020a03c>] > tracesys+0xdc/0xe1 > Jun 4 10:52:57 turing-police kernel: [95478.048073] [<00002b45cd2429a0>] I don't know what could have caused this, sorry. If it's still there in next -mm (which is still 100000 compile fixes away) it'd be good if you could bisect it. Suspects would be git-net.patch, get-netdev-all.patch and gregkh-driver-*.patch Thanks. - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
