Hi! > I hope this has to do with the failure reported by Doug. I'm > finalizing my fix. I'd appreciate if you could retry with my fix > applied. Ok, just cc me with the fix ;-). This happened once so far, but I have other crash (when closing chromium) that happens a bit too often, might be related. Best regards, Pavel > > Machine is thinkpad x220. BFQ related? > > > > > > > > [ 8224.904413] usb 2-1.1.4: Product: Intenso Twister Line > > [ 8224.904421] usb 2-1.1.4: Manufacturer: Alcor Tech > > [ 8224.904428] usb 2-1.1.4: SerialNumber: 12102500210755 > > [ 8224.905778] usb-storage 2-1.1.4:1.0: USB Mass Storage device > > detected > > [ 8224.906519] scsi host6: usb-storage 2-1.1.4:1.0 > > [ 8225.938476] scsi 6:0:0:0: Direct-Access Intenso Twister Line > > 8.07 PQ: 0 ANSI: 4 > > [ 8225.941857] sd 6:0:0:0: Attached scsi generic sg2 type 0 > > [ 8225.944342] sd 6:0:0:0: [sdc] 15257600 512-byte logical blocks: > > (7.81 GB/7.28 GiB) > > [ 8225.945541] sd 6:0:0:0: [sdc] Write Protect is off > > [ 8225.945551] sd 6:0:0:0: [sdc] Mode Sense: 23 00 00 00 > > [ 8225.946669] sd 6:0:0:0: [sdc] Write cache: disabled, read cache: > > enabled, doesn't support DPO or FUA > > [ 8225.961509] sdc: sdc1 > > [ 8225.966286] sd 6:0:0:0: [sdc] Attached SCSI removable disk > > [ 8226.351785] FAT-fs (sdc1): Volume was not properly unmounted. Some > > data may be corrupt. Please run fsck. > > [ 8685.026976] perf: interrupt took too long (3142 > 3141), lowering > > kernel.perf_event_max_sample_rate to 63500 > > [ 8710.270064] Slab corruption (Not tainted): bfq_queue > > start=ffff8880befb0cd8, len=512 > > [ 8710.270073] Redzone: 0x9f911029d74e35b/0x9f911029d74e35b > > [ 8710.270081] Last user: (bfq_put_queue+0xb0/0xe0) > > [ 8710.270085] 1f0: 18 e5 44 93 81 88 ff ff 6b 6b 6b 6b 6b 6b 6b a5 > > ..D.....kkkkkkk. > > [ 8710.270092] Prev obj: start=ffff8880befb0ac0, len=512 > > [ 8710.270097] Redzone: 0xd84156c5635688c0/0xd84156c5635688c0 > > [ 8710.270102] Last user: (bfq_get_queue+0x13a/0x290) > > [ 8710.270105] 000: 02 00 00 00 00 00 00 00 00 38 a6 95 81 88 ff ff > > .........8...... > > [ 8710.270110] 010: 07 00 03 00 07 00 03 00 00 00 00 00 00 00 00 00 > > ................ > > [ 8711.077572] Slab corruption (Not tainted): bfq_queue > > start=ffff8880c20b7710, len=512 > > [ 8711.077577] Redzone: 0x9f911029d74e35b/0x9f911029d74e35b > > [ 8711.077584] Last user: (bfq_put_queue+0xb0/0xe0) > > [ 8711.077586] 1f0: 6b 6b 6b 6b 6b 6b 6b 6b 00 00 00 00 00 00 00 00 > > kkkkkkkk........ > > [ 8711.077591] Prev obj: start=ffff8880c20b74f8, len=512 > > [ 8711.077593] Redzone: 0x9f911029d74e35b/0x9f911029d74e35b > > [ 8711.077596] Last user: (bfq_put_queue+0xb0/0xe0) > > [ 8711.077598] 000: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b > > kkkkkkkkkkkkkkkk > > [ 8711.077601] 010: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b > > kkkkkkkkkkkkkkkk > > [ 8711.077604] Next obj: start=ffff8880c20b7928, len=512 > > [ 8711.077606] Redzone: 0x9f911029d74e35b/0x9f911029d74e35b > > [ 8711.077609] Last user: (bfq_put_queue+0xb0/0xe0) > > [ 8711.077611] 000: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b > > kkkkkkkkkkkkkkkk > > [ 8711.077614] 010: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b > > kkkkkkkkkkkkkkkk > > [ 8764.014525] Slab corruption (Not tainted): bfq_queue > > start=ffff888049b0c108, len=512 > > [ 8764.014534] Redzone: 0x9f911029d74e35b/0x9f911029d74e35b > > [ 8764.014542] Last user: (bfq_put_queue+0xb0/0xe0) > > [ 8764.014546] 1f0: 6b 6b 6b 6b 6b 6b 6b 6b 00 00 00 00 00 00 00 00 > > kkkkkkkk........ > > [ 8764.014553] Next obj: start=ffff888049b0c320, len=512 > > [ 8764.014558] Redzone: 0xd84156c5635688c0/0xd84156c5635688c0 > > [ 8764.014562] Last user: (bfq_get_queue+0x13a/0x290) > > [ 8764.014566] 000: 01 00 00 00 00 00 00 00 00 50 df 96 81 88 ff ff > > .........P...... > > [ 8764.014571] 010: 04 00 02 00 04 00 02 00 00 00 00 00 00 00 00 00 > > ................ > > [10593.478355] perf: interrupt took too long (3936 > 3927), lowering > > kernel.perf_event_max_sample_rate to 50750 > > [10745.055650] Slab corruption (Not tainted): bfq_queue > > start=ffff88818f6a9088, len=512 > > [10745.055660] Redzone: 0x9f911029d74e35b/0x9f911029d74e35b > > [10745.055670] Last user: (bfq_put_queue+0xb0/0xe0) > > [10745.055675] 1f0: a0 f6 71 d4 80 88 ff ff 6b 6b 6b 6b 6b 6b 6b a5 > > ..q.....kkkkkkk. > > [10745.055683] Next obj: start=ffff88818f6a92a0, len=512 > > [10745.055688] Redzone: 0xd84156c5635688c0/0xd84156c5635688c0 > > [10745.055693] Last user: (bfq_get_queue+0x13a/0x290) > > [10745.055698] 000: 01 00 00 00 00 00 00 00 00 38 a6 95 81 88 ff ff > > .........8...... > > [10745.055704] 010: 04 00 02 00 04 00 02 00 00 00 00 00 00 00 00 00 > > ................ > > [12141.101100] usb 2-1.1.4: USB disconnect, device number 8 > > pavel@duo:/data/l/linux-olpc$ -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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