Messages in this thread | | | Date | Mon, 21 Apr 2008 11:14:48 +0200 | From | "Zdenek Kabelac" <> | Subject | BUG: unable to handle kernel NULL pointer at d_free+0x18/0x80 |
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Hello
This oops appeared in my log - unsure how it is related to my DVB-T tuner test before. But I've also seen another weird resume with some similar crash.
Happens with 2.6.25 - commit 48a86f548fb74928f9a466f52527e83fecdb4575 (T61, 2GB)
BUG: unable to handle kernel NULL pointer dereference at 0000000000000110 IP: [d_free+24/128] d_free+0x18/0x80 PGD 0 Oops: 0000 [1] PREEMPT SMP CPU 0 Modules linked in: usb_storage dvb_usb_af9015 dvb_usb_dibusb_common dib3000mc dibx000_common dvb_usb dvb_core tun nls_iso8859_2 nls_cp852 vfat fat i915 drm ipt_MASQUERADE iptable_nat nf_nat nf_conntrack_ipv4 xt_state nf_conntrack ipt_REJECT xt_tcpudp iptable_filter ip_tables x_tables bridge llc nfsd lockd nfs_acl auth_rpcgss exportfs autofs4 sunrpc binfmt_misc dm_mirror dm_log dm_multipath dm_mod uinput kvm_intel kvm snd_hda_intel arc4 ecb snd_seq_oss crypto_blkcipher snd_seq_midi_event snd_seq cryptomgr snd_seq_device snd_pcm_oss crypto_algapi iwl3945 mac80211 e1000e psmouse snd_mixer_oss rtc_cmos evdev rtc_core thinkpad_acpi video snd_pcm mmc_block sdhci mmc_core snd_timer iTCO_wdt iTCO_vendor_support battery backlight nvram rtc_lib i2c_i801 i2c_core ac snd soundcore snd_page_alloc intel_agp output serio_raw cfg80211 button uhci_hcd ohci_hcd ehci_hcd usbcore [last unloaded: dvb_core] Pid: 210, comm: kswapd0 Not tainted 2.6.25 #56 RIP: 0010:[d_free+24/128] [d_free+24/128] d_free+0x18/0x80 RSP: 0018:ffff81007ced9cf0 EFLAGS: 00010206 RAX: 00000000000000f0 RBX: ffff8100202723d8 RCX: 0000000000000132 RDX: 0000000000005e5d RSI: ffff81007ced4048 RDI: ffff8100202723d8 RBP: ffff81007ced9d00 R08: 0000000000000002 R09: d37a6f4de9bd37a7 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8100202723d8 R13: ffff81007c9329d8 R14: ffff8100202723e0 R15: 0000000000000029 FS: 0000000000000000(0000) GS:ffffffff81486000(0000) knlGS:0000000000000000 CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b CR2: 0000000000000110 CR3: 0000000001001000 CR4: 00000000000026e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process kswapd0 (pid: 210, threadinfo ffff81007ced8000, task ffff81007ced4000) Stack: ffff8100202723d8 ffff81007b7e73d8 ffff81007ced9d20 ffffffff810cb3eb ffff8100202723d8 0000000000000000 ffff81007ced9d40 ffffffff810cb4d5 ffff8100202723d8 ffff8100202723d8 ffff81007ced9d80 ffffffff810cb642 Call Trace: [d_kill+59/96] d_kill+0x3b/0x60 [prune_one_dentry+197/240] prune_one_dentry+0xc5/0xf0 [prune_dcache+322/512] prune_dcache+0x142/0x200 [shrink_dcache_memory+65/80] shrink_dcache_memory+0x41/0x50 [shrink_slab+274/480] shrink_slab+0x112/0x1e0 [kswapd+1232/1552] kswapd+0x4d0/0x610 [isolate_pages_global+0/64] ? isolate_pages_global+0x0/0x40 [autoremove_wake_function+0/64] ? autoremove_wake_function+0x0/0x40 [_spin_unlock_irqrestore+69/144] ? _spin_unlock_irqrestore+0x45/0x90 [kswapd+0/1552] ? kswapd+0x0/0x610 [kthread+73/144] kthread+0x49/0x90 [child_rip+10/18] child_rip+0xa/0x12 [restore_args+0/48] ? restore_args+0x0/0x30 [kthread+0/144] ? kthread+0x0/0x90 [child_rip+0/18] ? child_rip+0x0/0x12
Code: 95 49 81 e8 ab ff 21 00 5b 41 5c c9 c3 66 0f 1f 44 00 00 55 48 89 e5 53 48 89 fb 48 83 ec 08 48 8b 87 b8 00 00 00 48 85 c0 74 0b <48> 8b 40 20 48 85 c0 74 02 ff d0 48 83 7b 50 00 74 1e 48 8d bb RIP [d_free+24/128] d_free+0x18/0x80 RSP <ffff81007ced9cf0> CR2: 0000000000000110 ---[ end trace ca143223eefdc828 ]---
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