From mboxrd@z Thu Jan 1 00:00:00 1970 From: Liuwenyi Subject: Re: [BUG] 2.6.35 btrfs oops at extent_range_uptodate Date: Wed, 19 Jan 2011 20:08:09 +0800 Message-ID: <4D36D429.1060604@gmail.com> References: <20110119062747.GA16063@darkstar> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Cc: linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org, meego-kernel@meego.com To: Yang Ruirui Return-path: In-Reply-To: <20110119062747.GA16063@darkstar> List-ID: =E4=BA=8E 2011-1-19 14:27, Yang Ruirui =E5=86=99=E9=81=93: > Boot with meego kernel 2.6.35.9-6.5-adaptation-n900 on n900, an oops = happend, I see similar reporting in lkml: > https://lkml.org/lkml/2010/8/26/103 > > I just happened once, so I don't know hot to reproduce it. > > `addr2line -e vmlinux 0xc0197888` show > fs/btrfs/extent_io.c:3358 > > ret =3D test_range_bit(tree, eb->start, eb->start + eb->len - 1, > EXTENT_UPTODATE, 1, cached_state); Maybe, this is caused by (tree=3D=3Dnull). We can add a judgement in=20 test_tange_bit to avoid this situation. > <3>[ 7872.955352] mmcblk0: error -9 sending status comand > <3>[ 7872.960083] mmcblk0: error -9 sending read/write command, respo= nse 0x0, card status 0x0 > <3>[ 7872.968383] mmcblk0: error -9 transferring data, sector 89484, = nr 4, card status 0x0 > <3>[ 7872.977142] end_request: I/O error, dev mmcblk0, sector 89484 > <3>[ 7872.984466] mmcblk0: error -9 sending status comand > <3>[ 7872.989257] mmcblk0: error -9 sending read/write command, respo= nse 0x0, card status 0x0 > <3>[ 7872.998535] mmcblk0: error -9 transferring data, sector 89485, = nr 3, card status 0x0 > <3>[ 7873.007019] end_request: I/O error, dev mmcblk0, sector 89485 > <3>[ 7873.012878] mmcblk0: error -9 sending status comand > <3>[ 7873.017669] mmcblk0: error -9 sending read/write command, respo= nse 0x0, card status 0x0 > <3>[ 7873.025939] mmcblk0: error -9 transferring data, sector 89486, = nr 2, card status 0x0 > <3>[ 7873.040283] end_request: I/O error, dev mmcblk0, sector 89486 > <3>[ 7873.046203] mmcblk0: error -9 sending status comand > <3>[ 7873.050994] mmcblk0: error -9 sending read/write command, respo= nse 0x0, card status 0x0 > <3>[ 7873.059265] mmcblk0: error -9 transferring data, sector 89487, = nr 1, card status 0x0 > <3>[ 7873.067108] end_request: I/O error, dev mmcblk0, sector 89487 > <1>[ 7873.073120] Unable to handle kernel NULL pointer dereference at= virtual address 00000000 > <1>[ 7873.082031] pgd =3D c0004000 > <1>[ 7873.084747] [00000000] *pgd=3D00000000 > <0>[ 7873.088439] Internal error: Oops: 17 [#1] PREEMPT > <0>[ 7873.093170] last sysfs file: /sys/devices/platform/isp1704_char= ger.0/power_supply/isp1704/online > <4>[ 7873.102020] Modules linked in: rfcomm sco wl1251_spi wl1251 cmt= _speech ssi_protocol mac80211 cmt hsi_char smc91x tsl2563(C) isp1704_ch= arger leds_lp5523 lis3lv02d_i2c cfg80211 power_supply led_class rtc_twl= industrialio(C) omap_ssi lis3lv02d mii input_polldev crc7 bnep l2cap h= ci_h4p bluetooth gpio_keys omaplfb pvrsrvkm g_nokia vfat fat > <4>[ 7873.132232] CPU: 0 Tainted: G C (2.6.35.9-6.5-adap= tation-n900 #1) > <4>[ 7873.139495] PC is at extent_range_uptodate+0x5c/0x9c > <4>[ 7873.144531] LR is at lock_release+0x38/0x48 > <4>[ 7873.148742] pc : [] lr : [] psr: 6000= 0013 > <4>[ 7873.148742] sp : cffcbf00 ip : 00000001 fp : 00000000 > <4>[ 7873.160278] r10: 023b2dff r9 : 00000000 r8 : 00001000 > <4>[ 7873.165557] r7 : 00000001 r6 : cf909908 r5 : 00000000 r4 : 0= 23b2000 > <4>[ 7873.172119] r3 : 00000000 r2 : 00000000 r1 : 00000001 r0 : 0= 0000000 > <4>[ 7873.178680] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM= Segment kernel > <4>[ 7873.186035] Control: 10c5387d Table: 8ffe8019 DAC: 00000017 > <0>[ 7873.191833] Process btrfs-endio-met (pid: 475, stack limit =3D = 0xcffca2e8) > <0>[ 7873.198577] Stack: (0xcffcbf00 to 0xcffcc000) > <0>[ 7873.202972] bf00: 023b2dff 00000000 00000004 00000001 00000000 = cff9feec 00000000 023b1e00 > <0>[ 7873.211212] bf20: 00000000 c300cc60 cff413e0 ffffffff ffffffff = 023b2dff 00000000 c016cf44 > <0>[ 7873.219421] bf40: 023b2dff 00000000 023b1000 00000000 cff9feec = cff413c0 cff78000 00000001 > <0>[ 7873.227661] bf60: cff9fec0 cff9fec0 cffca000 cffcbf88 cff413e0 = cff9fecc 00000000 cff9fec4 > <0>[ 7873.235900] bf80: 00000000 c01a038c cffcbf88 cffcbf88 cffcbf90 = cffcbf90 cff81ef4 c01a0308 > <0>[ 7873.244140] bfa0: cff9fec0 00000013 00000000 00000000 00000000 = c006b8f8 00000000 00000000 > <0>[ 7873.252380] bfc0: 00000000 00000001 dead4ead ffffffff ffffffff = c0503878 00000000 c042f88a > <0>[ 7873.260620] bfe0: cffcbfe0 cffcbfe0 cff81ef4 c006b874 c002e980 = c002e980 00801000 00000000 > <4>[ 7873.268859] [] (extent_range_uptodate+0x5c/0x9c) from= [] (end_workqueue_fn+0x11c/0x174) > <4>[ 7873.278686] [] (end_workqueue_fn+0x11c/0x174) from [<= c01a038c>] (worker_loop+0x84/0x320) > <4>[ 7873.287719] [] (worker_loop+0x84/0x320) from [] (kthread+0x84/0x8c) > <4>[ 7873.295806] [] (kthread+0x84/0x8c) from [] = (kernel_thread_exit+0x0/0x8) > <0>[ 7873.304229] Code: e1a01624 e5960008 e1811a05 ebfc1508 (e5907000= ) > <4>[ 7873.320831] ---[ end trace e366e719494232ee ]--- > -- > To unsubscribe from this list: send the line "unsubscribe linux-btrfs= " in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" = in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html