Re: 2.6.18-rc1-mm2

["Rafael J. Wysocki" <rjw@sisk.pl>]

On Friday 14 July 2006 07:48, Andrew Morton wrote:
> 
> ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.18-rc1/2.6.18-rc1-mm2/
> 
> - Patches were merged, added, dropped and fixed.  Nothing particularly exciting.

This happens on my box at startup, every time:

ehci_hcd 0000:00:02.2: EHCI Host Controller
ehci_hcd 0000:00:02.2: new USB bus registered, assigned bus number 3
ehci_hcd 0000:00:02.2: debug port 1
ehci_hcd 0000:00:02.2: irq 5, io mem 0xfebfdc00
ehci_hcd 0000:00:02.2: USB 2.0 started, EHCI 1.00, driver 10 Dec 2004
usb 2-1: USB disconnect, address 2
Unable to handle kernel NULL pointer dereference at 0000000000000038 RIP:
 [<ffffffff8024a07b>] __lock_acquire+0x7b/0xd30
PGD 0
Oops: 0000 [1] PREEMPT
last sysfs file: /devices/pci0000:00/0000:00:0a.0/subsystem_vendor
CPU 0
Modules linked in: ehci_hcd snd_page_alloc ip6t_REJECT xt_tcpudp i2c_nforce2 i2c_core ipt_REJECT xt_state ohci_hcd iptable_mangle iptable_n
at ip_nat iptable_filter ip6table_mangle ip_conntrack ip_tables parport_pc lp ip6table_filter parport ip6_tables x_tables ipv6 dm_mod
Pid: 110, comm: khubd Not tainted 2.6.18-rc1-mm2 #3
RIP: 0010:[<ffffffff8024a07b>]  [<ffffffff8024a07b>] __lock_acquire+0x7b/0xd30
RSP: 0018:ffff81005feb1c18  EFLAGS: 00010046
RAX: 0000000000000002 RBX: 0000000000000246 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000030
RBP: ffff81005feb1c88 R08: 0000000000000002 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff8046e23f
R13: 0000000000000000 R14: ffff81005fe92040 R15: 0000000000000030
FS:  00002b0df5390b00(0000) GS:ffffffff808c0000(0000) knlGS:0000000000000000
CS:  0010 DS: 0018 ES: 0018 CR0: 000000008005003b
CR2: 0000000000000038 CR3: 000000005dc35000 CR4: 00000000000006e0
Process khubd (pid: 110, threadinfo ffff81005feb0000, task ffff81005fe92040)
Stack:  0000000000000000 ffff81005fe92040 ffff81005febe7a8 ffffffff80470079
 0000000200000000 0000000000000000 ffffffff80470038 0000000000000246
 ffff81005a701680 0000000000000246 ffffffff8046e23f 0000000000000002
Call Trace:
 [<ffffffff8024b0bb>] lock_acquire+0x8b/0xc0
 [<ffffffff8047193f>] _spin_lock+0x2f/0x40
 [<ffffffff8046e23f>] klist_remove+0x1f/0x50
 [<ffffffff803b9817>] bus_remove_device+0xa7/0xe0
 [<ffffffff803b80f9>] device_del+0x149/0x180
 [<ffffffff803d2d95>] usb_disconnect+0x105/0x150
 [<ffffffff803d5cc6>] hub_thread+0x616/0xfd0
 [<ffffffff80243809>] kthread+0xd9/0x110
 [<ffffffff8020a316>] child_rip+0x8/0x12

Code: 48 8b 5f 08 48 85 db 0f 85 48 03 00 00 8b 05 12 c0 63 00 85
RIP  [<ffffffff8024a07b>] __lock_acquire+0x7b/0xd30
 RSP <ffff81005feb1c18>
CR2: 0000000000000038
 <6>note: khubd[110] exited with preempt_count 1
-
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