On Thu, Aug 08, 2013 at 10:07:19PM +0200, Martin MOKREJŠ wrote: > Hi, > I get plenty of these in /sys/kernel/debug/kmemleak: > > unreferenced object 0xffff88019f675268 (size 32): > comm "usb-storage", pid 11411, jiffies 4310515592 (age 1538.100s) > hex dump (first 32 bytes): > 05 0f 16 00 02 07 10 02 02 00 00 00 0a 10 03 00 ................ > 0e 00 01 0a ff 07 00 00 00 00 00 00 00 00 00 00 ................ > backtrace: > [<ffffffff81811ca1>] kmemleak_alloc+0x21/0x50 > [<ffffffff81166c5e>] __kmalloc+0xce/0x170 > [<ffffffff815270d5>] usb_get_bos_descriptor+0xc5/0x230 > [<ffffffff81519048>] hub_port_init+0x768/0xa20 > [<ffffffff81519416>] usb_reset_and_verify_device+0xd6/0x540 > [<ffffffff81519990>] usb_reset_device+0x110/0x190 > [<ffffffff8154aed4>] usb_stor_port_reset+0x74/0x80 > [<ffffffff8154af6f>] usb_stor_invoke_transport+0x8f/0x550 > [<ffffffff81549df9>] usb_stor_transparent_scsi_command+0x9/0x10 > [<ffffffff8154b7ab>] usb_stor_control_thread+0x16b/0x280 > [<ffffffff810b8c95>] kthread+0xe5/0xf0 > [<ffffffff8182caec>] ret_from_fork+0x7c/0xb0 > [<ffffffffffffffff>] 0xffffffffffffffff Odd, Andiry and Sarah, any thoughts? dmesg left below for completeness. greg k-h > > > I believe these lines from dmesg are relevant: > > [ 4.201374] usb 2-1: New USB device found, idVendor=8087, idProduct=0024 > [ 4.202334] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 > [ 4.205214] hub 2-1:1.0: USB hub found > [ 4.206389] hub 2-1:1.0: 8 ports detected > [ 4.330926] usb 3-1: new high-speed USB device number 2 using xhci_hcd > [ 4.354303] usb 3-1: New USB device found, idVendor=2109, idProduct=3431 > [ 4.356636] usb 3-1: New USB device strings: Mfr=0, Product=1, SerialNumber=0 > [ 4.358924] usb 3-1: Product: USB2.0 Hub > [ 4.387716] hub 3-1:1.0: USB hub found > [ 4.389999] hub 3-1:1.0: 4 ports detected > [ 4.521136] usb 3-2: new high-speed USB device number 3 using xhci_hcd > [ 4.541084] ata6: SATA link up 3.0 Gbps (SStatus 123 SControl 300) > [ 4.544025] ata6.00: ATA-8: ST3000VX000-1CU166, CV22, max UDMA/133 > [ 4.545766] ata6.00: 5860533168 sectors, multi 16: LBA48 NCQ (depth 31/32), AA > [ 4.547652] usb 3-2: New USB device found, idVendor=2109, idProduct=0811 > [ 4.549396] usb 3-2: New USB device strings: Mfr=0, Product=1, SerialNumber=0 > [ 4.551184] usb 3-2: Product: USB2.0 Hub > [ 4.553356] ata6.00: configured for UDMA/133 > [ 4.555444] scsi 5:0:0:0: Direct-Access ATA ST3000VX000-1CU1 CV22 PQ: 0 ANSI: 5 > [ 4.560417] sd 5:0:0:0: [sdb] 5860533168 512-byte logical blocks: (3.00 TB/2.72 TiB) > [ 4.561809] sd 5:0:0:0: [sdb] 4096-byte physical blocks > [ 4.563824] sd 5:0:0:0: [sdb] Write Protect is off > [ 4.565122] sd 5:0:0:0: [sdb] Mode Sense: 00 3a 00 00 > [ 4.567672] sd 5:0:0:0: [sdb] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA > [ 4.572740] sd 5:0:0:0: Attached scsi generic sg2 type 0 > [ 4.578793] hub 3-2:1.0: USB hub found > [ 4.580040] hub 3-2:1.0: 4 ports detected > [ 4.628775] sdb: sdb1 > [ 4.631812] sd 5:0:0:0: [sdb] Attached SCSI disk > [ 4.712068] usb 4-2: new SuperSpeed USB device number 2 using xhci_hcd > [ 4.733347] usb 4-2: Parent hub missing LPM exit latency info. Power management will be impacted. > [ 4.738124] usb 4-2: New USB device found, idVendor=2109, idProduct=0811 > [ 4.739477] usb 4-2: New USB device strings: Mfr=1, Product=2, SerialNumber=0 > [ 4.740835] usb 4-2: Product: 4-Port USB 3.0 Hub > [ 4.742179] usb 4-2: Manufacturer: VIA Labs, Inc. > [ 4.771771] hub 4-2:1.0: USB hub found > [ 4.773737] hub 4-2:1.0: 4 ports detected > > [158794.376525] usb 3-1.3: reset high-speed USB device number 9 using xhci_hcd > [158794.581028] xhci_hcd 0000:0b:00.0: xHCI xhci_drop_endpoint called with disabled ep ffff88018d012da8 > [158794.581033] xhci_hcd 0000:0b:00.0: xHCI xhci_drop_endpoint called with disabled ep ffff88018d012de8 > [158829.439903] usb 3-1.3: reset high-speed USB device number 9 using xhci_hcd > [158829.514208] xhci_hcd 0000:0b:00.0: xHCI xhci_drop_endpoint called with disabled ep ffff88018d012da8 > [158829.514213] xhci_hcd 0000:0b:00.0: xHCI xhci_drop_endpoint called with disabled ep ffff88018d012de8 > [159013.517275] CPU1: Core temperature above threshold, cpu clock throttled (total events = 3846484) > [159013.517278] CPU0: Package temperature above threshold, cpu clock throttled (total events = 4139411) > [159013.517283] CPU1: Package temperature above threshold, cpu clock throttled (total events = 4139471) > [159013.518287] CPU1: Core temperature/speed normal > [159013.518288] CPU0: Package temperature/speed normal > [159013.518291] CPU1: Package temperature/speed normal > [159221.397277] kmemleak: 16 new suspected memory leaks (see /sys/kernel/debug/kmemleak) > [159256.419270] usb 3-1.3: reset high-speed USB device number 9 using xhci_hcd > [159256.493409] xhci_hcd 0000:0b:00.0: xHCI xhci_drop_endpoint called with disabled ep ffff88018d012da8 > [159256.493414] xhci_hcd 0000:0b:00.0: xHCI xhci_drop_endpoint called with disabled ep ffff88018d012de8 > [159316.457563] CPU1: Core temperature above threshold, cpu clock throttled (total events = 3847901) > [159316.457566] CPU0: Package temperature above threshold, cpu clock throttled (total events = 4140838) > [159316.457571] CPU1: Package temperature above threshold, cpu clock throttled (total events = 4140898) > [159316.458575] CPU1: Core temperature/speed normal > [159316.458577] CPU0: Package temperature/speed normal > [159316.458580] CPU1: Package temperature/speed normal > [159528.276239] usb 3-1.3: reset high-speed USB device number 9 using xhci_hcd > [159528.350332] xhci_hcd 0000:0b:00.0: xHCI xhci_drop_endpoint called with disabled ep ffff88018d012da8 > [159528.350337] xhci_hcd 0000:0b:00.0: xHCI xhci_drop_endpoint called with disabled ep ffff88018d012de8 > [159608.001039] usb 3-1.1: USB disconnect, device number 4 > [159641.626636] usb 3-1.3: reset high-speed USB device number 9 using xhci_hcd > [159641.700964] xhci_hcd 0000:0b:00.0: xHCI xhci_drop_endpoint called with disabled ep ffff88018d012da8 > [159641.700969] xhci_hcd 0000:0b:00.0: xHCI xhci_drop_endpoint called with disabled ep ffff88018d012de8 > [159650.609234] CPU1: Core temperature above threshold, cpu clock throttled (total events = 3849107) > [159650.609237] CPU0: Package temperature above threshold, cpu clock throttled (total events = 4142050) > [159650.609242] CPU1: Package temperature above threshold, cpu clock throttled (total events = 4142110) > [159650.610233] CPU1: Core temperature/speed normal > [159650.610236] CPU0: Package temperature/speed normal > [159650.610239] CPU1: Package temperature/speed normal > [159706.877433] usb 3-1.3: reset high-speed USB device number 9 using xhci_hcd > [159706.942493] xhci_hcd 0000:0b:00.0: xHCI xhci_drop_endpoint called with disabled ep ffff88018d012da8 > [159706.942498] xhci_hcd 0000:0b:00.0: xHCI xhci_drop_endpoint called with disabled ep ffff88018d012de8 > [159720.864729] usb 3-1.3: reset high-speed USB device number 9 using xhci_hcd > [159720.938923] xhci_hcd 0000:0b:00.0: xHCI xhci_drop_endpoint called with disabled ep ffff88018d012da8 > [159720.938928] xhci_hcd 0000:0b:00.0: xHCI xhci_drop_endpoint called with disabled ep ffff88018d012de8 > [159737.635577] usb 3-1.3: reset high-speed USB device number 9 using xhci_hcd > [159737.709673] xhci_hcd 0000:0b:00.0: xHCI xhci_drop_endpoint called with disabled ep ffff88018d012da8 > [159737.709678] xhci_hcd 0000:0b:00.0: xHCI xhci_drop_endpoint called with disabled ep ffff88018d012de8 > [159961.915805] CPU0: Package temperature above threshold, cpu clock throttled (total events = 4146185) > [159961.915821] CPU1: Core temperature above threshold, cpu clock throttled (total events = 3853208) > [159961.915825] CPU1: Package temperature above threshold, cpu clock throttled (total events = 4146245) > [159961.916804] CPU0: Package temperature/speed normal > [159961.916904] CPU1: Core temperature/speed normal > [159961.916906] CPU1: Package temperature/speed normal > [159981.952181] kmemleak: 10 new suspected memory leaks (see /sys/kernel/debug/kmemleak) > [160031.009109] usb 3-1.3: reset high-speed USB device number 9 using xhci_hcd > [160031.083538] xhci_hcd 0000:0b:00.0: xHCI xhci_drop_endpoint called with disabled ep ffff88018d012da8 > [160031.083543] xhci_hcd 0000:0b:00.0: xHCI xhci_drop_endpoint called with disabled ep ffff88018d012de8 > [160097.171185] usb 3-1.3: reset high-speed USB device number 9 using xhci_hcd > [160097.375700] xhci_hcd 0000:0b:00.0: xHCI xhci_drop_endpoint called with disabled ep ffff88018d012da8 > [160097.375706] xhci_hcd 0000:0b:00.0: xHCI xhci_drop_endpoint called with disabled ep ffff88018d012de8 > [160168.229478] usb 3-1.3: reset high-speed USB device number 9 using xhci_hcd > [160168.295450] xhci_hcd 0000:0b:00.0: xHCI xhci_drop_endpoint called with disabled ep ffff88018d012da8 > [160168.295464] xhci_hcd 0000:0b:00.0: xHCI xhci_drop_endpoint called with disabled ep ffff88018d012de8 > [160187.613175] usb 3-1.3: reset high-speed USB device number 9 using xhci_hcd > [160187.687525] xhci_hcd 0000:0b:00.0: xHCI xhci_drop_endpoint called with disabled ep ffff88018d012da8 > [160187.687530] xhci_hcd 0000:0b:00.0: xHCI xhci_drop_endpoint called with disabled ep ffff88018d012de8 > [160608.847200] CPU1: Core temperature above threshold, cpu clock throttled (total events = 3855438) > [160608.847202] CPU0: Package temperature above threshold, cpu clock throttled (total events = 4148431) > [160608.847208] CPU1: Package temperature above threshold, cpu clock throttled (total events = 4148491) > [160608.848212] CPU1: Core temperature/speed normal > [160608.848213] CPU0: Package temperature/speed normal > [160608.848215] CPU1: Package temperature/speed normal > [160674.438895] kmemleak: 12 new suspected memory leaks (see /sys/kernel/debug/kmemleak) > > > # lsusb > Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub > Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub > Bus 003 Device 002: ID 2109:3431 > Bus 003 Device 003: ID 2109:0811 > Bus 004 Device 002: ID 2109:0811 > Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub > Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub > Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub > Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub > Bus 001 Device 003: ID 05ca:1820 Ricoh Co., Ltd Integrated Webcam > Bus 002 Device 003: ID 046d:c019 Logitech, Inc. Optical Tilt Wheel Mouse > Bus 002 Device 004: ID 138a:0011 Validity Sensors, Inc. VFS5011 Fingerprint Reader > Bus 003 Device 006: ID 174c:5106 ASMedia Technology Inc. Transcend StoreJet 25M3 > Bus 003 Device 009: ID 174c:5106 ASMedia Technology Inc. Transcend StoreJet 25M3 > Bus 003 Device 005: ID 04f2:0116 Chicony Electronics Co., Ltd KU-2971/KU-0325 Keyboard > # lsusb -t > /: Bus 04.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/2p, 5000M > |__ Port 2: Dev 2, If 0, Class=Hub, Driver=hub/4p, 5000M > /: Bus 03.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/2p, 480M > |__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/4p, 480M > |__ Port 2: Dev 6, If 0, Class=Mass Storage, Driver=usb-storage, 480M > |__ Port 3: Dev 9, If 0, Class=Mass Storage, Driver=usb-storage, 480M > |__ Port 2: Dev 3, If 0, Class=Hub, Driver=hub/4p, 480M > |__ Port 4: Dev 5, If 0, Class=Human Interface Device, Driver=usbhid, 1.5M > /: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/2p, 480M > /: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/2p, 480M > # > > > I know the CPU is overheating a bit, I am calculating some stuff here and it seems > the FAN cannot handle it, hence the temperature warnings. The slowdowns of CPU > however should not affect it's functionality, but it seems the SandyBridge chip > or the CPU i7-2640M itself causes these errors and kmemleak in kernel. > > Hope this helps, > Martin > -- > To unsubscribe from this list: send the line "unsubscribe linux-usb" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
