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Subjectext2 / dvd-ram Oops 2.6.8.1-mm4
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Date
Hi,

rm /media/cdrw/test which was a 600M file on a DVD-RAM resulted in this Oops:
System: SuSE 9.1, nforce2, Athlon 2.8, the device is an LG GSA-4082B


kernel: Unable to handle kernel NULL pointer dereference at virtual address 0000002c
kernel: printing eip:
kernel: c01a864b
kernel: *pde = 00000000
kernel: Oops: 0000 [#1]
kernel: PREEMPT
kernel: Modules linked in: minix vfat fat iptable_mangle ip6table_filter ip6_tables nls_iso8859_1 isofs zlib_inflate ide_cd cdrom subfs radeon dst dvb_bt8xx dvb_core bt878 tuner bttv video_buf i2c_algo_bit v4l2_common btcx_risc i2c_core videodev usbserial parport_pc lp parport snd_seq_oss snd_seq_midi_event snd_seq snd_pcm_oss snd_mixer_oss md5 ipv6 snd_intel8x0 snd_ac97_codec snd_pcm snd_timer snd_page_alloc snd_mpu401_uart snd_rawmidi snd_seq_device snd soundcore ohci1394 ieee1394 ehci_hcd nvidia_agp agpgart ohci_hcd evdev pppoe pppox ppp_generic 8139too mii crc32 forcedeth hisax_fcpcipnp hisax_isac hisax isdn slhc iptable_nat ipt_LOG ipt_limit ipt_REJECT ipt_state ip_conntrack iptable_filter ip_tables genrtc binfmt_misc sd_mod
kernel: CPU: 0
kernel: EIP: 0060:[ext2_free_blocks+43/720] Not tainted VLI
kernel: EIP: 0060:[<c01a864b>] Not tainted VLI
kernel: EFLAGS: 00210282 (2.6.8.1-mm4)
kernel: EIP is at ext2_free_blocks+0x2b/0x2d0
kernel: eax: dc837c00 ebx: d122370c ecx: 000001c3 edx: 00000000
kernel: esi: 0000fe3d edi: 000001c3 ebp: d7f28b0c esp: d3d15dc8
kernel: ds: 007b es: 007b ss: 0068
kernel: Process rm (pid: 23699, threadinfo=d3d14000 task=d8df2150)
kernel: Stack: 0000003c 5e14720c 00000014 cddb689c d3d15e14 c0444cf8 cddb689c d3d15e14
kernel: c0444cf8 c0152db9 00000000 dc837c00 d8df2150 00000000 d7f28b0c dc837c00
kernel: d122370c 000101f6 000001c3 d7f28b0c c01ac1fc c0152be0 d3d15e20 d3d15e20
kernel: Call Trace:
kernel: [__wait_on_buffer+153/160] __wait_on_buffer+0x99/0xa0
kernel: [<c0152db9>] __wait_on_buffer+0x99/0xa0
kernel: [ext2_free_branches+284/384] ext2_free_branches+0x11c/0x180
kernel: [<c01ac1fc>] ext2_free_branches+0x11c/0x180
kernel: [bh_wake_function+0/80] bh_wake_function+0x0/0x50
kernel: [<c0152be0>] bh_wake_function+0x0/0x50
kernel: [ext2_free_branches+146/384] ext2_free_branches+0x92/0x180
kernel: [<c01ac172>] ext2_free_branches+0x92/0x180
kernel: [ext2_free_branches+146/384] ext2_free_branches+0x92/0x180
kernel: [<c01ac172>] ext2_free_branches+0x92/0x180
kernel: [ext2_truncate+946/1056] ext2_truncate+0x3b2/0x420
kernel: [<c01ac612>] ext2_truncate+0x3b2/0x420
kernel: [ext2_get_inode+217/320] ext2_get_inode+0xd9/0x140
kernel: [<c01ac759>] ext2_get_inode+0xd9/0x140
kernel: [__set_page_dirty_nobuffers+223/288] __set_page_dirty_nobuffers+0xdf/0x120
kernel: [<c013a11f>] __set_page_dirty_nobuffers+0xdf/0x120
kernel: [ext2_update_inode+453/848] ext2_update_inode+0x1c5/0x350
kernel: [<c01accd5>] ext2_update_inode+0x1c5/0x350
kernel: [ext2_delete_inode+0/112] ext2_delete_inode+0x0/0x70
kernel: [<c01ab340>] ext2_delete_inode+0x0/0x70
kernel: [ext2_delete_inode+95/112] ext2_delete_inode+0x5f/0x70
kernel: [<c01ab39f>] ext2_delete_inode+0x5f/0x70
kernel: [generic_delete_inode+164/352] generic_delete_inode+0xa4/0x160
kernel: [<c016c174>] generic_delete_inode+0xa4/0x160
kernel: [iput+83/112] iput+0x53/0x70
kernel: [<c016c413>] iput+0x53/0x70
kernel: [sys_unlink+223/288] sys_unlink+0xdf/0x120
kernel: [<c0161b8f>] sys_unlink+0xdf/0x120
kernel: [sys_ioctl+241/704] sys_ioctl+0xf1/0x2c0
kernel: [<c0164181>] sys_ioctl+0xf1/0x2c0
kernel: [sysenter_past_esp+82/113] sysenter_past_esp+0x52/0x71
kernel: [<c0104029>] sysenter_past_esp+0x52/0x71
kernel: Code: 55 57 89 cf 56 89 d6 53 83 ec 40 89 44 24 38 c7 44 24 34 00 00 00 00 8b 80 94 00 00 00 89 44 24 2c 8b 90 54 01 00 00 89 54 24 28 <8b> 4a 2c c7 44 24 1c 00 00 00 00 89 4c 24 20 8b 41 14 39 c6 72


Thanks,

Ralf
--
P: Linus Torvalds patch-2.2.4
-S: Buried alive in diapers
+S: Buried alive in reporters
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