Re: 2.6.20-mm2

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From: Rafael J. Wysocki
Date: Sunday, February 18, 2007 - 4:32 pm

On Sunday, 18 February 2007 06:51, Andrew Morton wrote:

One more thing:

rtc_cmos 00:02: rtc core: registered rtc_cmos as rtc0
Unable to handle kernel NULL pointer dereference at 0000000000000030 RIP: 
 [<ffffffff804032c3>] rtc_sysfs_remove_device+0x23/0x50
PGD 5e10c067 PUD 5dd58067 PMD 0 
Oops: 0000 [1] PREEMPT 
last sysfs file: /devices/pnp0/00:04/id
CPU 0 
Modules linked in: cdrom rtc_cmos snd_intel8x0 snd_ac97_codec ac97_bus snd_pcm snd_timer snd soundcore i2c_nforce2 i2c_core snd_page_alloc ohci_hcd ehci_hcd evdev parport_pc lp parport fan thermal processor
Pid: 2960, comm: modprobe Not tainted 2.6.20-mm2 #1
RIP: 0010:[<ffffffff804032c3>]  [<ffffffff804032c3>] rtc_sysfs_remove_device+0x23/0x50
RSP: 0018:ffff81005e3f9c18  EFLAGS: 00010202
RAX: 0000000000000000 RBX: ffff81005dabeea0 RCX: 0000000000000000
RDX: ffffffff804032a0 RSI: ffffffff805cfba0 RDI: ffff81005dabeea0
RBP: ffff81005e3f9c28 R08: 0000000000000001 R09: 0000000000000000
R10: 2222222222222222 R11: 2222222222222222 R12: ffff81005dabeea0
R13: ffff810002890258 R14: ffff810002890268 R15: ffff810002890098
FS:  00002ac610b906f0(0000) GS:ffffffff805db000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
CR2: 0000000000000030 CR3: 000000005e16d000 CR4: 00000000000006e0
Process modprobe (pid: 2960, threadinfo ffff81005e3f8000, task ffff81005e6a7140)
Stack:  ffff81005fe244e8 ffffffff805cfba0 ffff81005e3f9c68 ffffffff803c5786
 0000000000000000 ffff81005dabeea0 ffff81005dabf008 0000000000000008
 ffff81005fe244e8 0000000000000008 ffff81005e3f9c88 ffffffff803c5891
Call Trace:
 [<ffffffff803c5786>] class_device_del+0x86/0x180
 [<ffffffff803c5891>] class_device_unregister+0x11/0x20
 [<ffffffff8040280e>] rtc_device_unregister+0x3e/0x50
 [<ffffffff880cd789>] :rtc_cmos:cmos_pnp_probe+0x219/0x240
 [<ffffffff803988a1>] pnp_device_probe+0xa1/0xe0
 [<ffffffff803c4d20>] __driver_attach+0x0/0xa0
 [<ffffffff803c4bb5>] driver_probe_device+0x115/0x1c0
 [<ffffffff803c4d20>] __driver_attach+0x0/0xa0
 [<ffffffff803c4d83>] __driver_attach+0x63/0xa0
 [<ffffffff803c3e1f>] bus_for_each_dev+0x4f/0x80
 [<ffffffff803c497c>] driver_attach+0x1c/0x20
 [<ffffffff803c4233>] bus_add_driver+0x83/0x1d0
 [<ffffffff803c50d9>] driver_register+0x89/0x90
 [<ffffffff803985cc>] pnp_register_driver+0x1c/0x20
 [<ffffffff880d1010>] :rtc_cmos:cmos_init+0x10/0x12
 [<ffffffff8025199b>] sys_init_module+0x158b/0x16f0
 [<ffffffff802d09da>] dnotify_parent+0x7a/0x90
 [<ffffffff80268b80>] file_read_actor+0x0/0x170
 [<ffffffff80209a0e>] system_call+0x7e/0x83


Code: 48 83 78 30 00 74 0c 48 c7 c6 60 e1 4a 80 e8 aa 23 fc ff 48 
RIP  [<ffffffff804032c3>] rtc_sysfs_remove_device+0x23/0x50
 RSP <ffff81005e3f9c18>
CR2: 0000000000000030

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Messages in current thread:
2.6.20-mm2, Andrew Morton, (Sat Feb 17, 10:51 pm)
Re: 2.6.20-mm2, Dave Airlie, (Sat Feb 17, 11:18 pm)
Re: 2.6.20-mm2, Andrew Morton, (Sat Feb 17, 11:34 pm)
Re: 2.6.20-mm2, Rafael J. Wysocki, (Sun Feb 18, 5:44 am)
Re: 2.6.20-mm2: Oops in generic_make_request, Laurent Riffard, (Sun Feb 18, 6:06 am)
Re: 2.6.20-mm2: Oops in generic_make_request, Mattia Dongili, (Sun Feb 18, 10:58 am)
Re: 2.6.20-mm2, Michal Piotrowski, (Sun Feb 18, 11:20 am)
Re: 2.6.20-mm2, Andrew Morton, (Sun Feb 18, 12:43 pm)
Re: 2.6.20-mm2: Oops in generic_make_request, Andrew Morton, (Sun Feb 18, 12:49 pm)
Re: 2.6.20-mm2: Oops in generic_make_request, Michal Piotrowski, (Sun Feb 18, 1:05 pm)
Re: 2.6.20-mm2, Rafael J. Wysocki, (Sun Feb 18, 4:25 pm)
Re: 2.6.20-mm2, Rafael J. Wysocki, (Sun Feb 18, 4:32 pm)
Re: 2.6.20-mm2: compilation fix, Rafael J. Wysocki, (Sun Feb 18, 4:33 pm)
Re: 2.6.20-mm2, Michal Piotrowski, (Sun Feb 18, 4:39 pm)
Re: 2.6.20-mm2, Andrew Morton, (Sun Feb 18, 5:00 pm)
Re: 2.6.20-mm2, Andrew Morton, (Sun Feb 18, 5:28 pm)
Re: 2.6.20-mm2: compilation fix, Andrew Morton, (Sun Feb 18, 5:29 pm)
Re: 2.6.20-mm2, David Brownell, (Sun Feb 18, 10:13 pm)
Re: 2.6.20-mm2, Rafael J. Wysocki, (Mon Feb 19, 4:28 am)
Re: 2.6.20-mm2: compilation fix, Rafael J. Wysocki, (Mon Feb 19, 4:33 am)
Re: 2.6.20-mm2, Michal Piotrowski, (Mon Feb 19, 4:45 am)
Re: [-mm patch] fix locking in __make_request (was Re: 2.6 ..., Michal Piotrowski, (Mon Feb 19, 6:52 am)
Re: [-mm patch] fix locking in __make_request (was Re: 2.6 ..., Michal Piotrowski, (Mon Feb 19, 7:08 am)
Re: 2.6.20-mm2, Rafael J. Wysocki, (Mon Feb 19, 11:28 am)
Re: 2.6.20-mm2, Rafael J. Wysocki, (Mon Feb 19, 5:04 pm)
[-mm patch] fs/9p/vfs_addr.c: make 2 functions static, Adrian Bunk, (Mon Feb 19, 5:07 pm)
2.6.20-mm2: BLOCK=n compile error, Adrian Bunk, (Mon Feb 19, 5:08 pm)
[-mm patch] UNION_FS must depend on SLAB, Adrian Bunk, (Mon Feb 19, 5:08 pm)
Re: 2.6.20-mm2, Rafael J. Wysocki, (Mon Feb 19, 5:43 pm)
Re: [-mm patch] fs/9p/vfs_addr.c: make 2 functions static, Eric Van Hensbergen, (Mon Feb 19, 5:54 pm)
Re: 2.6.20-mm2, Rafael J. Wysocki, (Mon Feb 19, 6:20 pm)
Re: 2.6.20-mm2, Andrew Morton, (Mon Feb 19, 11:31 pm)
Re: [-mm patch] UNION_FS must depend on SLAB, Pekka Enberg, (Mon Feb 19, 11:37 pm)
Re: 2.6.20-mm2, KAMEZAWA Hiroyuki, (Tue Feb 20, 12:39 am)
Re: 2.6.20-mm2, Andy Whitcroft, (Tue Feb 20, 3:06 am)
Re: 2.6.20-mm2, Maciej Rutecki, (Tue Feb 20, 4:14 am)
Re: 2.6.20-mm2, Maciej Rutecki, (Tue Feb 20, 4:38 am)
[-mm patch] fix locking in __make_request (was Re: 2.6.20- ..., Frederik Deweerdt, (Tue Feb 20, 6:04 am)
Re: [-mm patch] fix locking in __make_request (was Re: 2.6 ..., Frederik Deweerdt, (Tue Feb 20, 7:29 am)
Re: [-mm patch] fix locking in __make_request (was Re: 2.6 ..., Frederik Deweerdt, (Tue Feb 20, 7:32 am)
Re: [-mm patch] UNION_FS must depend on SLAB, Josef Sipek, (Tue Feb 20, 8:13 am)
Re: 2.6.20-mm2, Rafael J. Wysocki, (Tue Feb 20, 2:16 pm)
Re: 2.6.20-mm2: possible recursive locking detected (reise ..., Rafael J. Wysocki, (Tue Feb 20, 2:23 pm)
Re: 2.6.20-mm2, Jeff Garzik, (Tue Feb 20, 2:46 pm)
Re: 2.6.20-mm2, Rafael J. Wysocki, (Tue Feb 20, 3:07 pm)
Re: 2.6.20-mm2, Rafael J. Wysocki, (Tue Feb 20, 3:12 pm)
Re: [-mm patch] UNION_FS must depend on SLAB, Josef Sipek, (Tue Feb 20, 10:19 pm)
[-mm patch] MTD_UBI_DEBUG must depend on SYSFS, Adrian Bunk, (Wed Feb 21, 3:52 am)
[-mm patch] i386 mpparse.c: remove an unused variable, Adrian Bunk, (Wed Feb 21, 4:57 am)
Re: [-mm patch] UNION_FS must depend on SLAB, Andrew Morton, (Wed Feb 21, 3:19 pm)
Re: [-mm patch] UNION_FS must depend on SLAB, Josef Sipek, (Wed Feb 21, 7:00 pm)
Re: [-mm patch] UNION_FS must depend on SLAB, Andrew Morton, (Wed Feb 21, 7:26 pm)
Re: [-mm patch] UNION_FS must depend on SLAB, Josef Sipek, (Wed Feb 21, 8:10 pm)
Re: 2.6.20-mm2, David Brownell, (Wed Feb 21, 8:57 pm)
Re: [-mm patch] UNION_FS must depend on SLAB, Pekka Enberg, (Wed Feb 21, 11:17 pm)
Re: [-mm patch] UNION_FS must depend on SLAB, Pekka Enberg, (Wed Feb 21, 11:18 pm)
Re: [-mm patch] UNION_FS must depend on SLAB, Josef Sipek, (Wed Feb 21, 11:28 pm)
Re: [-mm patch] UNION_FS must depend on SLAB, Christoph Lameter, (Wed Feb 21, 11:42 pm)
Re: 2.6.20-mm2, Rafael J. Wysocki, (Thu Feb 22, 1:33 am)
Re: 2.6.20-mm2, David Brownell, (Thu Feb 22, 3:17 pm)
Re: 2.6.20-mm2, David Brownell, (Fri Feb 23, 9:36 am)
Re: 2.6.20-mm2, Jean Delvare, (Sun Feb 25, 6:15 am)
[-mm patch] LGUEST must depend on NET, Adrian Bunk, (Mon Feb 26, 3:23 pm)
Re: [-mm patch] LGUEST must depend on NET, Rusty Russell, (Mon Feb 26, 4:42 pm)
Re: 2.6.20-mm2, Andrew Morton, (Tue Feb 27, 1:25 pm)
Re: 2.6.20-mm2, Jean Delvare, (Wed Feb 28, 2:07 am)
[-mm patch] arch/i386/xen/: possible cleanups, Adrian Bunk, (Thu Mar 1, 3:48 am)
Re: [-mm patch] arch/i386/xen/: possible cleanups, Jeremy Fitzhardinge, (Thu Mar 1, 3:53 am)
Re: [-mm patch] arch/i386/xen/: possible cleanups, Adrian Bunk, (Thu Mar 1, 4:55 am)
Re: 2.6.20-mm2, Rafael J. Wysocki, (Sun Mar 4, 3:36 pm)