Message-ID: <451C33B2.5000007@goop.org>
Date:	Thu, 28 Sep 2006 13:42:26 -0700
From:	Jeremy Fitzhardinge <jeremy@...p.org>
To:	Andrew Morton <akpm@...l.org>
CC:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: 2.6.18-1.2689.fc6PAE: oops in ext3_clear_inode+0x52/0x8b

I just filed this in the Redhat bugzilla, since its from the FC6 distro 
kernel.  But since its fairly close to current kernel.org kernels, I 
thought it might be relevent.

The bug is https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=208488

Unfortunately this isn't a very useful report since it was a once-off, 
and there's a P-tainting module in there.  But if anyone sees anything 
else like this, it's interesting.

The oops is:

BUG: unable to handle kernel paging request at virtual address 756e6547
 printing eip:
f898bf73
*pde = 0014c7c0
Oops: 0002 [#1]
SMP 
last sysfs file: /devices/system/cpu/cpu0/cpufreq/scaling_cur_freq
Modules linked in: ath_pci(U) usb_storage loop wlan_wep(U) snd_hda_codec nfsd exportfs lockd nfs_acl tun ppp_deflate zlib_deflate ppp_async crc_ccitt ppp_generic slhc airprime usbserial hci_usb cpufreq_powersave i915 drm cpufreq_conservative ipv6 autofs4 hidp rfcomm l2cap bluetooth sunrpc ipt_REJECT xt_state ip_conntrack nfnetlink xt_tcpudp iptable_filter ip_tables x_tables vfat fat dm_mirror dm_mod video sbs ibm_acpi i2c_ec dock button battery asus_acpi ac parport_pc lp parport snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq wlan_scan_sta(U) snd_seq_device snd_pcm_oss snd_mixer_oss snd_pcm ath_rate_sample(U) mmc_block snd_timer snd sg ohci1394 i2c_i801 wlan(U) ieee1394 sdhci soundcore pcspkr i2c_core snd_page_alloc serio_raw e1000 mmc_core ath_hal(U) ahci libata sd_mod scsi_mod ext3 jbd ehci_hcd ohci_hcd uhci_hcd
CPU:    0
EIP:    0060:[<f898bf73>]    Tainted: P      VLI
EFLAGS: 00013206   (2.6.18-1.2689.fc6PAE #1) 
EIP is at ext3_clear_inode+0x52/0x8b [ext3]
eax: c07dda80   ebx: c07dd994   ecx: 00000000   edx: 756e6547
esi: c07dda80   edi: 00000000   ebp: f3f0cda0   esp: f3f0cd94
ds: 007b   es: 007b   ss: 0068
Process Xorg (pid: 2862, ti=f3f0c000 task=f3cf4030 task.ti=f3f0c000)
Stack: c07dda80 c07ddc9c 0000001f f3f0cdb0 c04881e5 c07dda80 c07dda88 f3f0cdc8 
       c04884ba f3f0cdd8 c0bf3db0 00000000 00000080 f3f0cdec c04886c6 00000080 
       00000080 c07dddb8 f32d1428 0000620c f7ff62fc 000000a9 f3f0ce1c c045ba2d 
Call Trace:
 [<c04881e5>] clear_inode+0xd8/0x129
 [<c04884ba>] dispose_list+0x3c/0xc1
 [<c04886c6>] shrink_icache_memory+0x187/0x1af
 [<c045ba2d>] shrink_slab+0xd0/0x137
 [<c045c285>] try_to_free_pages+0x159/0x218
 [<c045860d>] __alloc_pages+0x199/0x287
 [<c045f3b8>] __handle_mm_fault+0x1b2/0xb84
 [<c0614a5a>] do_page_fault+0x2b1/0x5ba
 [<c0404be9>] error_code+0x39/0x40
DWARF2 unwinder stuck at error_code+0x39/0x40
Leftover inexact backtrace:
 [<c040537f>] show_stack_log_lvl+0x8a/0x95
 [<c04054b7>] show_registers+0x12d/0x19a
 [<c04056b4>] die+0x190/0x293
 [<c0614c91>] do_page_fault+0x4e8/0x5ba
 [<c0404be9>] error_code+0x39/0x40
 [<c04881e5>] clear_inode+0xd8/0x129
 [<c04884ba>] dispose_list+0x3c/0xc1
 [<c04886c6>] shrink_icache_memory+0x187/0x1af
 [<c045ba2d>] shrink_slab+0xd0/0x137
 [<c045c285>] try_to_free_pages+0x159/0x218
 [<c045860d>] __alloc_pages+0x199/0x287
 [<c045f3b8>] __handle_mm_fault+0x1b2/0xb84
 [<c0614a5a>] do_page_fault+0x2b1/0x5ba
 [<c0404be9>] error_code+0x39/0x40
Code: 0f 94 c0 84 c0 74 07 89 d0 e8 c4 0e ae c7 c7 83 90 00 00 00 ff ff ff ff 8b 93 94 00 00 00 85 d2 74 24 83 fa ff 74 1f 85 d2 74 11 <f0> ff 0a 0f 94 c0 84 c0 74 07 89 d0 e8 96 0e ae c7 c7 83 94 00 
EIP: [<f898bf73>] ext3_clear_inode+0x52/0x8b [ext3] SS:ESP 0068:f3f0cd94


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