Hi all ! I have a custom board based on a MPC823 processor running Denx Linux kernel 2.4.4 with Brad Parker's USB host controller driver.
To test our USB harware, we use an aplication that copies a file from an USB pendrive into memory and then compares memory file with pendrive file, and if they are equal, it continues doing the same test continuously. The aplication doesn't fail for several hours, sometimes 14 other times 30 hours, but suddenly, an error ocurs (see below). Someone can give an idea of what is happening? Thanks in advance. ....... <4>m8xxhci: initializing controller <4>m8xxhci_setup() <6>usb.c: new USB bus registered, assigned bus number 1 <4>m8xxhci_start_controller() <4>m8xxhci: MPC823e (mask 1) <4>m8xxhci: USING CLK1 for USB clock! <4>m8xxhci: ring sizes: rx 32, tx 40 <4>m8xxhci: enable USB controller <4>m8xxhci_timer_setup() <4>m8xxhci: timer, intfreq 74, busfreq 74, count 4625 <4>m8xxhci: timer bytes/count 0.27 <4>m8xxhci: USING TIMER2 FOR SOF! <4>m8xxhci: timer2 started <4>m8xxhci: usb bus is NOT idle <7>usb.c: kmalloc IF c0711a60, numif 1 <7>usb.c: new device strings: Mfr=0, Product=2, SerialNumber=1 <7>usb.c: USB device number 1 default language ID 0x0 <6>Product: USB MPC8xx Root Hub <6>SerialNumber: ff000a00 <6>hub.c: USB hub found <6>hub.c: 1 port detected <7>hub.c: standalone hub <7>hub.c: individual port power switching <7>hub.c: no over-current protection <7>hub.c: power on to power good time: 2ms <7>hub.c: hub controller current requirement: 0mA <7>hub.c: port removable status: R <7>hub.c: local power source is good <7>hub.c: no over-current condition exists <4>rh_submit_urb() int pipe <7>hub.c: enabling power on all ports <4>rh_port_power(1) <7>usb.c: hub driver claimed interface c0711a60 <4>m8xxhci: initializing done <4>idle_bus() 1; d+ zero, d- one, connect hi-sp <7>hub.c: port 1 connection change <7>hub.c: port 1, portstatus 101, change 1, 12 Mb/s <4>rh_port_reset(1) <7>hub.c: port 1, portstatus 103, change 0, 12 Mb/s <6>hub.c: USB new device connect on bus1/1, assigned device number 2 <7>usb.c: kmalloc IF c0711ac0, numif 1 <7>usb.c: new device strings: Mfr=0, Product=1, SerialNumber=0 <7>usb.c: USB device number 2 default language ID 0x409 <6>Product: General Purpose USB Hub <6>hub.c: USB hub found <6>hub.c: 2 ports detected <7>hub.c: standalone hub <7>hub.c: individual port power switching <7>hub.c: individual port over-current protection <7>hub.c: power on to power good time: 100ms <7>hub.c: hub controller current requirement: 100mA <7>hub.c: port removable status: RR <7>hub.c: local power source is good <7>hub.c: no over-current condition exists <7>hub.c: enabling power on all ports <7>usb.c: hub driver claimed interface c0711ac0 <7>hub.c: port 2 connection change <7>hub.c: port 2, portstatus 101, change 1, 12 Mb/s <7>hub.c: port 2, portstatus 103, change 10, 12 Mb/s <6>hub.c: USB new device connect on bus1/1/2, assigned device number 3 <7>usb.c: kmalloc IF c0711b40, numif 1 <7>usb.c: new device strings: Mfr=1, Product=2, SerialNumber=3 <7>usb.c: USB device number 3 default language ID 0x409 <6>Manufacturer: <6>Product: USB DISK Pro <6>SerialNumber: 07440F160880 <6>scsi0 : SCSI emulation for USB Mass Storage devices <4> Vendor: Model: USB DISK Pro Rev: 1.00 <4> Type: Direct-Access ANSI SCSI revision: 02 <4>Detected scsi removable disk sda at scsi0, channel 0, id 0, lun 0 <4>SCSI device sda: 240640 512-byte hdwr sectors (123 MB) <4>sda: Write Protect is off <6>Partition check: <6> sda: sda1 <7>WARNING: USB Mass Storage data integrity not assured <7>USB Mass Storage device found at 3 <7>usb.c: usb-storage driver claimed interface c0711b40 <4>unlink_urb(urb=c07e9ec0,qtype=3) status -115 <4>unlink_urb(urb=c07e9ec0) done <4>unlink_urb(urb=c07e9ec0,qtype=3) status -115 <4>unlink_urb(urb=c07e9ec0) done <4>usb_control/bulk_msg: timeout <4>unlink_urb(urb=c07e98c0,qtype=2) status -115 <4>unlink_urb(urb=c07e98c0) done <4>usb_control/bulk_msg: timeout <4>unlink_urb(urb=c07e98c0,qtype=2) status -115 <4>unlink_urb(urb=c07e98c0) done <4>usb_control/bulk_msg: timeout <4>unlink_urb(urb=c07e98c0,qtype=2) status -115 <4>unlink_urb(urb=c07e98c0) done <3>hub.c: get_port_status(2) failed (err = -110) <7>hub.c: port 2 of hub 2 not enabled, trying reset again... <4>usb_control/bulk_msg: timeout <4>unlink_urb(urb=c07e98c0,qtype=2) status -115 <4>unlink_urb(urb=c07e98c0) done <4>usb_control/bulk_msg: timeout <4>unlink_urb(urb=c07e98c0,qtype=2) status -115 <4>unlink_urb(urb=c07e98c0) done <3>hub.c: get_port_status(2) failed (err = -110) <7>hub.c: port 2 of hub 2 not enabled, trying reset again... <4>usb_control/bulk_msg: timeout <4>unlink_urb(urb=c07e98c0,qtype=2) status -115 <4>unlink_urb(urb=c07e98c0) done <4>usb_control/bulk_msg: timeout <4>unlink_urb(urb=c07e98c0,qtype=2) status -115 <4>unlink_urb(urb=c07e98c0) done <3>hub.c: get_port_status(2) failed (err = -110) <7>hub.c: port 2 of hub 2 not enabled, trying reset again... <4>usb_control/bulk_msg: timeout <4>unlink_urb(urb=c07e98c0,qtype=2) status -115 <4>unlink_urb(urb=c07e98c0) done <4>usb_control/bulk_msg: timeout <4>unlink_urb(urb=c07e98c0,qtype=2) status -115 <4>unlink_urb(urb=c07e98c0) done <3>hub.c: get_port_status(2) failed (err = -110) <7>hub.c: port 2 of hub 2 not enabled, trying reset again... <4>usb_control/bulk_msg: timeout <4>unlink_urb(urb=c07e98c0,qtype=2) status -115 <4>unlink_urb(urb=c07e98c0) done <4>usb_control/bulk_msg: timeout <4>unlink_urb(urb=c07e98c0,qtype=2) status -115 <4>unlink_urb(urb=c07e98c0) done <3>hub.c: get_port_status(2) failed (err = -110) <7>hub.c: port 2 of hub 2 not enabled, trying reset again... <3>hub.c: Cannot enable port 2 of hub 2, disabling port. <3>hub.c: Maybe the USB cable is bad? <4>usb_control/bulk_msg: timeout <4>unlink_urb(urb=c07e98c0,qtype=2) status -115 <4>unlink_urb(urb=c07e98c0) done <3>hub.c: cannot disable port 2 of hub 2 (err = -110) <2>usb-storage: host_reset() requested but not implemented <6>scsi: device set offline - command error recover failed: host 0 channel 0 id 0 lun 0 <4>SCSI disk error : host 0 channel 0 id 0 lun 0 return code = 6050000 <4> I/O error: dev 08:01, sector 2875 <4> I/O error: dev 08:01, sector 2875 <4>dev = 08:01, ino = 46003 <4>Filesystem panic (dev 08:01). <4> msdos_write_inode: unable to read i-node block <4> File system has been set read-only <4> I/O error: dev 08:01, sector 2875 <4> I/O error: dev 08:01, sector 2875 <4>Directory sread (sector 0xb3b) failed <4> I/O error: dev 08:01, sector 2875 <4>Directory sread (sector 0xb3b) failed <4> I/O error: dev 08:01, sector 2875 <4>Directory sread (sector 0xb3b) failed <4> I/O error: dev 08:01, sector 2875 <4>Directory sread (sector 0xb3b) failed <4> I/O error: dev 08:01, sector 2875 <4>Directory sread (sector 0xb3b) failed <4> I/O error: dev 08:01, sector 2875 <4>Directory sread (sector 0xb3b) failed <4> I/O error: dev 08:01, sector 2875 <4>Directory sread (sector 0xb3b) failed <4> I/O error: dev 08:01, sector 2875 <4>Directory sread (sector 0xb3b) failed <4> I/O error: dev 08:01, sector 2875 <4>Directory sread (sector 0xb3b) failed <4> I/O error: dev 08:01, sector 2875 <4>Directory sread (sector 0xb3b) failed <4> I/O error: dev 08:01, sector 2875 <4>Directory sread (sector 0xb3b) failed <4> I/O error: dev 08:01, sector 2875 <4>Directory sread (sector 0xb3b) failed <4> I/O error: dev 08:01, sector 2875 <4>Directory sread (sector 0xb3b) failed <4> I/O error: dev 08:01, sector 2875 <4>Directory sread (sector 0xb3b) failed <4> I/O error: dev 08:01, sector 2875 <4>Directory sread (sector 0xb3b) failed <4> I/O error: dev 08:01, sector 2875 <4>Directory sread (sector 0xb3b) failed Igor Luri Bravo Tecnico I+D Software Fagor Automation S. 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