http://bugzilla.novell.com/show_bug.cgi?id=576909
http://bugzilla.novell.com/show_bug.cgi?id=576909#c6
Stefan Schmidt changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEEDINFO |ASSIGNED
Info Provider|jsj@jsj.dyndns.org |
--- Comment #6 from Stefan Schmidt 2010-02-12 07:46:21 UTC ---
A little sooner than thought, just about half and hour after I remodev ftdi_sio
and usbserial:
====
[169087.281797] usbcore: deregistering interface driver ftdi_sio
[169087.287732] USB Serial deregistering driver FTDI USB Serial Device
[169103.938820] usbcore: deregistering interface driver usbserial_generic
[169103.945613] USB Serial deregistering driver generic
[169103.950722] usbcore: deregistering interface driver usbserial
[170720.476025] BUG: unable to handle kernel NULL pointer dereference at
0000000000000002
[170720.477003] IP: [<ffffffff81322223>] put_tty_queue+0x53/0xb0
[170720.477003] PGD 0
[170720.477003] Oops: 0002 [#1] PREEMPT SMP
[170720.477003] last sysfs file:
/sys/devices/system/cpu/cpu1/cache/index1/shared_cpu_map
[170720.477003] CPU 0
[170720.477003] Modules linked in: edd ipmi_devintf ipmi_si ipmi_msghandler
dell_rbu af_packet microcode fuse loop iTCO_wdt iTCO_vendor_support i3000_edac
shpchp sr_mod i2c_i801 pci_hotplug edac_core cdrom sg tg3 pcspkr serio_raw
dcdbas button ext4 jbd2 crc16 linear raid456 raid6_pq async_xor async_memcpy
async_tx xor raid1 raid0 dm_snapshot dm_mod fan processor pata_acpi piix
ide_core thermal thermal_sys [last unloaded: usbserial]
[170720.477003] Pid: 7130, comm: telnet Not tainted 2.6.31.12-0.1-desktop #1
PowerEdge 850
[170720.477003] RIP: 0010:[<ffffffff81322223>] [<ffffffff81322223>]
put_tty_queue+0x53/0xb0
[170720.477003] RSP: 0018:ffff88003a0a7728 EFLAGS: 00010097
[170720.477003] RAX: 0000000000000286 RBX: ffff880038d6951c RCX:
0000000000000000
[170720.477003] RDX: 0000000000000002 RSI: 0000000000000286 RDI:
ffff880038d6951c
[170720.477003] RBP: ffff88003a0a7758 R08: ffff88003a0a7de0 R09:
0000000000000000
[170720.477003] R10: 00000000ffffffff R11: 0000000000000001 R12:
0000000000000074
[170720.477003] R13: ffff880038d69000 R14: ffff88003a9e706c R15:
0000000000000002
[170720.477003] FS: 00007fb1cedf06f0(0000) GS:ffff880001c80000(0000)
knlGS:0000000000000000
[170720.477003] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[170720.477003] CR2: 0000000000000002 CR3: 000000003ddaa000 CR4:
00000000000006f0
[170720.477003] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
[170720.477003] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7:
0000000000000400
[170720.477003] Process telnet (pid: 7130, threadinfo ffff88003a0a6000, task
ffff880039d92600)
[170720.477003] Stack:
[170720.477003] ffff880038d69000 000000007ba1ca84 ffffffff81324b44
ffff880038d69000
[170720.477003] <0> 0000000000000074 0000000000000000 ffff88003a0a7798
ffffffff81324cec
[170720.477003] <0> 0000000000000000 000000007ba1ca84 ffff880038d69000
ffff88003a9e716d
[170720.477003] Call Trace:
[170720.477003] [<ffffffff81324cec>] n_tty_receive_char+0x1dc/0x7f0
[170720.477003] [<ffffffff813254dc>] n_tty_receive_buf+0x1dc/0x490
[170720.477003] [<ffffffff8132850b>] flush_to_ldisc+0x19b/0x1d0
[170720.477003] [<ffffffff81328603>] tty_flush_to_ldisc+0x23/0x40
[170720.477003] [<ffffffff81322e51>] n_tty_poll+0x81/0x1c0
[170720.477003] [<ffffffff8131dc62>] tty_poll+0xa2/0xc0
[170720.477003] [<ffffffff81160705>] do_select+0x3e5/0x740
[170720.477003] [<ffffffff81160e1a>] core_sys_select+0x22a/0x3e0
[170720.477003] [<ffffffff81161281>] sys_select+0x51/0x130
[170720.477003] [<ffffffff8100c682>] system_call_fastpath+0x16/0x1b
[170720.477003] [<00007fb1ce711393>] 0x7fb1ce711393
[170720.477003] Code: 25 28 00 00 00 48 89 45 d8 31 c0 e8 48 48 23 00 41 81 bd
60 02 00 00 ff 0f 00 00 7f 31 49 63 95 58 02 00 00 49 8b 8d 50 02 00 00 <44> 88
24 11 41 8b 95 58 02 00 00 41 83 85 60 02 00 00 01 83 c2
[170720.477003] RIP [<ffffffff81322223>] put_tty_queue+0x53/0xb0
[170720.477003] RSP <ffff88003a0a7728>
[170720.477003] CR2: 0000000000000002
[170720.477003] ---[ end trace 0c0a2e5786cf2e2b ]---
[170720.477003] note: telnet[7130] exited with preempt_count 1
[170720.783935] BUG: scheduling while atomic: telnet/7130/0x10000002
[170720.790137] Modules linked in: edd ipmi_devintf ipmi_si ipmi_msghandler
dell_rbu af_packet microcode fuse loop iTCO_wdt iTCO_vendor_support i3000_edac
shpchp sr_mod i2c_i801 pci_hotplug edac_core cdrom sg tg3 pcspkr serio_raw
dcdbas button ext4 jbd2 crc16 linear raid456 raid6_pq async_xor async_memcpy
async_tx xor raid1 raid0 dm_snapshot dm_mod fan processor pata_acpi piix
ide_core thermal thermal_sys [last unloaded: usbserial]
[170720.831698] CPU 0:
[170720.833974] Modules linked in: edd ipmi_devintf ipmi_si ipmi_msghandler
dell_rbu af_packet microcode fuse loop iTCO_wdt iTCO_ve
ndor_support i3000_edac shpchp sr_mod i2c_i801 pci_hotplug edac_core cdrom sg
tg3 pcspkr serio_raw dcdbas button ext4 jbd2 crc16 li
near raid456 raid6_pq async_xor async_memcpy async_tx xor raid1 raid0
dm_snapshot dm_mod fan processor pata_acpi piix ide_core ther
mal thermal_sys [last unloaded: usbserial]
[170720.875536] Pid: 7130, comm: telnet Tainted: G D
2.6.31.12-0.1-desktop #1 PowerEdge 850
[170720.884464] RIP: 0010:[<ffffffff81322223>] [<ffffffff81322223>]
put_tty_queue+0x53/0xb0
[170720.892866] RSP: 0018:ffff88003a0a7728 EFLAGS: 00010097
[170720.898368] RAX: 0000000000000286 RBX: ffff880038d6951c RCX:
0000000000000000
[170720.905739] RDX: 0000000000000002 RSI: 0000000000000286 RDI:
ffff880038d6951c
[170720.913104] RBP: ffff88003a0a7758 R08: ffff88003a0a7de0 R09:
0000000000000000
[170720.920468] R10: 00000000ffffffff R11: 0000000000000001 R12:
0000000000000074
[170720.927832] R13: ffff880038d69000 R14: ffff88003a9e706c R15:
0000000000000002
[170720.935206] FS: 0000000000000000(0000) GS:ffff880001c80000(0000)
knlGS:0000000000000000
[170720.943532] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[170720.949465] CR2: 0000000000000002 CR3: 0000000001001000 CR4:
00000000000006f0
[170720.956839] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
[170720.964203] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7:
0000000000000400
[170720.971576] Call Trace:
[170720.974216] [<ffffffff81324cec>] n_tty_receive_char+0x1dc/0x7f0
[170720.980420] [<ffffffff813254dc>] n_tty_receive_buf+0x1dc/0x490
[170720.986536] [<ffffffff8132850b>] flush_to_ldisc+0x19b/0x1d0
[170720.992394] [<ffffffff81328603>] tty_flush_to_ldisc+0x23/0x40
[170720.998421] [<ffffffff81322e51>] n_tty_poll+0x81/0x1c0
[170721.003845] [<ffffffff8131dc62>] tty_poll+0xa2/0xc0
[170721.009002] [<ffffffff81160705>] do_select+0x3e5/0x740
[170721.014430] [<ffffffff81160e1a>] core_sys_select+0x22a/0x3e0
[170721.020367] [<ffffffff81161281>] sys_select+0x51/0x130
[170721.025792] [<ffffffff8100c682>] system_call_fastpath+0x16/0x1b
[170721.031995] [<00007fb1ce711393>] 0x7fb1ce711393
====
Just in case, I leave the machine running and report the next oops.
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