disconnect on one usb2.0 port corrupts the communication on the other | |
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Hi Today i notices a strange USB hang on my opensuse 10.3 installation. "a disconnect on one usb2.0 port corrupts communication on the other" How to reproduce: 1. connect 2 memory -sticks 2a. start dd if=<device_stick_1> of=/dev/null 2b. during the transfer, remove stick 2. immediately after removal the data transfer to the first stick halts tried with different linux-versions (2.6.22, 2.6.21 and 2.6.13) and different motherboards. (intel 855 /845 and AMD based) with same result. on some systems it is necessary to use a usb-cable extender (on the "unplug" stick) to reproduce the problem,so i think the reason is an unhandled error in the ehci-stack. After enabling USB_DEBUG I noticed an an XActErr in the current transfer descriptor. switching the ports to USB 1.1 (through bios or /sys/class/usb_hub/usb_hub/companion) avoids the error, but is not satisfying solution. Does anyone know of this error and/or of an available fix /patch /workarounds? - Heribert problem opensuse 10.3 (and all tested older versions) cpu: Celeron 2.0 Intel 845 Celeron 1.5-mobile Intel 855 AMD Geode 500 AMD chipset I attached a sample syslog protocol. the victim is the Memory stick 128 MB on sdb. Oct 17 23:05:19 000c6e7eddc5 kernel: usb 4-4.2: new high speed USB device using ehci_hcd and address 5 Oct 17 23:05:19 000c6e7eddc5 kernel: usb 4-4.2: new device found, idVendor=090c, idProduct=1000 Oct 17 23:05:19 000c6e7eddc5 kernel: usb 4-4.2: new device strings: Mfr=1, Product=2, SerialNumber=3 Oct 17 23:05:19 000c6e7eddc5 kernel: usb 4-4.2: Product: USB 2.0 Flash Drive Oct 17 23:05:19 000c6e7eddc5 kernel: usb 4-4.2: Manufacturer: Super Talent Flash Oct 17 23:05:19 000c6e7eddc5 kernel: usb 4-4.2: SerialNumber: 32000000000000000882 Oct 17 23:05:19 000c6e7eddc5 kernel: usb 4-4.2: configuration #1 chosen from 1 choice Oct 17 23:05:19 000c6e7eddc5 kernel: scsi4 : SCSI emulation for USB Mass Storage devices Oct 17 23:05:19 000c6e7eddc5 kernel: usb-storage: device found at 5 Oct 17 23:05:19 000c6e7eddc5 kernel: usb-storage: waiting for device to settle before scanning Oct 17 23:05:20 000c6e7eddc5 kernel: scsi 4:0:0:0: Direct-Access Flash/SM Super Talent 2.0 2040 PQ: 0 ANSI: 0 CCS Oct 17 23:05:20 000c6e7eddc5 kernel: sd 4:0:0:0: [sdb] 252928 512-byte hardware sectors (129 MB) Oct 17 23:05:20 000c6e7eddc5 kernel: sd 4:0:0:0: [sdb] Write Protect is off Oct 17 23:05:20 000c6e7eddc5 kernel: sd 4:0:0:0: [sdb] Mode Sense: 43 00 00 00 Oct 17 23:05:20 000c6e7eddc5 kernel: sd 4:0:0:0: [sdb] Assuming drive cache: write through Oct 17 23:05:20 000c6e7eddc5 kernel: sd 4:0:0:0: [sdb] 252928 512-byte hardware sectors (129 MB) Oct 17 23:05:20 000c6e7eddc5 kernel: sd 4:0:0:0: [sdb] Write Protect is off Oct 17 23:05:20 000c6e7eddc5 kernel: sd 4:0:0:0: [sdb] Mode Sense: 43 00 00 00 Oct 17 23:05:20 000c6e7eddc5 kernel: sd 4:0:0:0: [sdb] Assuming drive cache: write through Oct 17 23:05:20 000c6e7eddc5 kernel: sdb: sdb1 Oct 17 23:05:20 000c6e7eddc5 kernel: sd 4:0:0:0: [sdb] Attached SCSI removable disk Oct 17 23:05:20 000c6e7eddc5 kernel: sd 4:0:0:0: Attached scsi generic sg2 type 0 Oct 17 23:05:20 000c6e7eddc5 kernel: usb-storage: device scan complete Oct 17 23:05:21 000c6e7eddc5 hald: mounted /dev/sdb1 on behalf of uid 0 Oct 17 23:05:53 000c6e7eddc5 kernel: usb 4-3: new high speed USB device using ehci_hcd and address 6 Oct 17 23:05:53 000c6e7eddc5 kernel: usb 4-3: new device found, idVendor=13fe, idProduct=1a00 Oct 17 23:05:53 000c6e7eddc5 kernel: usb 4-3: new device strings: Mfr=1, Product=2, SerialNumber=3 Oct 17 23:05:53 000c6e7eddc5 kernel: usb 4-3: Product: DataTraveler 2.0 Oct 17 23:05:53 000c6e7eddc5 kernel: usb 4-3: Manufacturer: Kingston Oct 17 23:05:53 000c6e7eddc5 kernel: usb 4-3: SerialNumber: 5B6A1B855850 Oct 17 23:05:53 000c6e7eddc5 kernel: usb 4-3: configuration #1 chosen from 1 choice Oct 17 23:05:53 000c6e7eddc5 kernel: scsi5 : SCSI emulation for USB Mass Storage devices Oct 17 23:05:53 000c6e7eddc5 kernel: usb-storage: device found at 6 Oct 17 23:05:53 000c6e7eddc5 kernel: usb-storage: waiting for device to settle before scanning Oct 17 23:05:54 000c6e7eddc5 kernel: scsi 5:0:0:0: Direct-Access Kingston DataTraveler 2.0 PMAP PQ: 0 ANSI: 0 CCS Oct 17 23:05:55 000c6e7eddc5 kernel: sd 5:0:0:0: [sdc] 2015232 512-byte hardware sectors (1032 MB) Oct 17 23:05:55 000c6e7eddc5 kernel: sd 5:0:0:0: [sdc] Write Protect is off Oct 17 23:05:55 000c6e7eddc5 kernel: sd 5:0:0:0: [sdc] Mode Sense: 23 00 00 00 Oct 17 23:05:55 000c6e7eddc5 kernel: sd 5:0:0:0: [sdc] Assuming drive cache: write through Oct 17 23:05:55 000c6e7eddc5 kernel: sd 5:0:0:0: [sdc] 2015232 512-byte hardware sectors (1032 MB) Oct 17 23:05:55 000c6e7eddc5 kernel: sd 5:0:0:0: [sdc] Write Protect is off Oct 17 23:05:55 000c6e7eddc5 kernel: sd 5:0:0:0: [sdc] Mode Sense: 23 00 00 00 Oct 17 23:05:55 000c6e7eddc5 kernel: sd 5:0:0:0: [sdc] Assuming drive cache: write through Oct 17 23:05:55 000c6e7eddc5 kernel: sdc: sdc1 Oct 17 23:05:55 000c6e7eddc5 kernel: sd 5:0:0:0: [sdc] Attached SCSI removable disk Oct 17 23:05:55 000c6e7eddc5 kernel: sd 5:0:0:0: Attached scsi generic sg3 type 0 Oct 17 23:05:55 000c6e7eddc5 kernel: usb-storage: device scan complete Oct 17 23:05:56 000c6e7eddc5 hald: mounted /dev/sdc1 on behalf of uid 0 Oct 17 23:06:08 000c6e7eddc5 kernel: usb 4-3: USB disconnect, address 6 Oct 17 23:06:08 000c6e7eddc5 hald[2170]: forcibly attempting to lazy unmount /dev/sdc1 as enclosing drive was disconnected Oct 17 23:06:08 000c6e7eddc5 kernel: usb 4-4.2: reset high speed USB device using ehci_hcd and address 5 Oct 17 23:06:08 000c6e7eddc5 hald: unmounted /dev/sdc1 from '/media/FLASH_EIL' on behalf of uid 0 Oct 17 23:06:23 000c6e7eddc5 kernel: usb 4-4.2: device descriptor read/64, error -110 Oct 17 23:06:38 000c6e7eddc5 kernel: usb 4-4.2: device descriptor read/64, error -110 Oct 17 23:06:38 000c6e7eddc5 kernel: usb 4-4.2: reset high speed USB device using ehci_hcd and address 5 Oct 17 23:06:53 000c6e7eddc5 kernel: usb 4-4.2: device descriptor read/64, error -110 Oct 17 23:06:53 000c6e7eddc5 kernel: usb 4-4.2: device descriptor read/64, error -110 Oct 17 23:07:09 000c6e7eddc5 kernel: usb 4-4.2: reset high speed USB device using ehci_hcd and address 5 Oct 17 23:07:19 000c6e7eddc5 kernel: usb 4-4.2: device not accepting address 5, error -110 Oct 17 23:07:19 000c6e7eddc5 kernel: usb 4-4.2: reset high speed USB device using ehci_hcd and address 5 Oct 17 23:07:29 000c6e7eddc5 kernel: usb 4-4.2: device not accepting address 5, error -110 Oct 17 23:07:29 000c6e7eddc5 kernel: sd 4:0:0:0: scsi: Device offlined - not ready after error recovery Oct 17 23:07:29 000c6e7eddc5 kernel: sd 4:0:0:0: [sdb] Result: hostbyte=DID_ERROR driverbyte=DRIVER_OK,SUGGEST_OK Oct 17 23:07:29 000c6e7eddc5 kernel: end_request: I/O error, dev sdb, sector 67296 Oct 17 23:07:29 000c6e7eddc5 kernel: Buffer I/O error on device sdb, logical block 8412 Oct 17 23:07:29 000c6e7eddc5 kernel: Buffer I/O error on device sdb, logical block 8413 Oct 17 23:07:29 000c6e7eddc5 kernel: Buffer I/O error on device sdb, logical block 8414 Oct 17 23:07:29 000c6e7eddc5 kernel: Buffer I/O error on device sdb, logical block 8415 Oct 17 23:07:29 000c6e7eddc5 kernel: Buffer I/O error on device sdb, logical block 8416 Oct 17 23:07:29 000c6e7eddc5 kernel: Buffer I/O error on device sdb, logical block 8417 Oct 17 23:07:29 000c6e7eddc5 kernel: Buffer I/O error on device sdb, logical block 8418 Oct 17 23:07:29 000c6e7eddc5 kernel: Buffer I/O error on device sdb, logical block 8419 Oct 17 23:07:29 000c6e7eddc5 hald[2170]: forcibly attempting to lazy unmount /dev/sdb1 as enclosing drive was disconnected Oct 17 23:07:30 000c6e7eddc5 hald: unmounted /dev/sdb1 from '/media/STICK_128MB' on behalf of uid 0 Oct 17 23:07:29 000c6e7eddc5 kernel: Buffer I/O error on device sdb, logical block 8420 Oct 17 23:07:29 000c6e7eddc5 kernel: Buffer I/O error on device sdb, logical block 8421 Oct 17 23:07:29 000c6e7eddc5 kernel: sd 4:0:0:0: rejecting I/O to offline device Oct 17 23:07:29 000c6e7eddc5 syslog-ng[2086]: last message repeated 2 times Oct 17 23:07:29 000c6e7eddc5 kernel: sd 4:0:0:0: [sdb] Result: hostbyte=DID_NO_CONNECT driverbyte=DRIVER_OK,SUGGEST_OK Oct 17 23:07:29 000c6e7eddc5 kernel: end_request: I/O error, dev sdb, sector 67536 Oct 17 23:07:29 000c6e7eddc5 kernel: usb 4-4.2: USB disconnect, address 5 Oct 17 23:07:29 000c6e7eddc5 kernel: scsi 4:0:0:0: rejecting I/O to dead device Oct 17 23:07:29 000c6e7eddc5 syslog-ng[2086]: last message repeated 3 times Oct 17 23:07:29 000c6e7eddc5 kernel: scsi 4:0:0:0: [sdb] READ CAPACITY failed Oct 17 23:07:29 000c6e7eddc5 kernel: scsi 4:0:0:0: [sdb] Result: hostbyte=DID_NO_CONNECT driverbyte=DRIVER_OK,SUGGEST_OK Oct 17 23:07:29 000c6e7eddc5 kernel: scsi 4:0:0:0: [sdb] Sense not available. Oct 17 23:07:29 000c6e7eddc5 kernel: scsi 4:0:0:0: rejecting I/O to dead device Oct 17 23:07:29 000c6e7eddc5 kernel: scsi 4:0:0:0: [sdb] Write Protect is off Oct 17 23:07:29 000c6e7eddc5 kernel: scsi 4:0:0:0: [sdb] Mode Sense: 00 00 00 00 Oct 17 23:07:29 000c6e7eddc5 kernel: scsi 4:0:0:0: [sdb] Assuming drive cache: write through Oct 17 23:07:29 000c6e7eddc5 kernel: scsi 4:0:0:0: rejecting I/O to dead device Oct 17 23:07:29 000c6e7eddc5 kernel: FAT: FAT read failed (blocknr 33) Oct 17 23:07:29 000c6e7eddc5 kernel: usb 4-4.2: new high speed USB device using ehci_hcd and address 7 Oct 17 23:07:45 000c6e7eddc5 kernel: usb 4-4.2: device descriptor read/64, error -110 Oct 17 23:07:45 000c6e7eddc5 kernel: usb 4-4.2: device descriptor read/64, error -110 Oct 17 23:08:00 000c6e7eddc5 kernel: usb 4-4.2: new high speed USB device using ehci_hcd and address 8 Oct 17 23:08:15 000c6e7eddc5 kernel: usb 4-4.2: device descriptor read/64, error -110 Oct 17 23:08:15 000c6e7eddc5 kernel: usb 4-4.2: device descriptor read/64, error -110 Oct 17 23:08:30 000c6e7eddc5 kernel: usb 4-4.2: new high speed USB device using ehci_hcd and address 9 Oct 17 23:08:41 000c6e7eddc5 kernel: usb 4-4.2: device not accepting address 9, error -110 Oct 17 23:08:41 000c6e7eddc5 kernel: usb 4-4.2: new high speed USB device using ehci_hcd and address 10 Oct 17 23:08:51 000c6e7eddc5 kernel: usb 4-4.2: device not accepting address 10, error -110 ------------------------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. 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