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#1
May 3rd 07, 11:02 AM
posted to comp.sys.ibm.pc.hardware.storage,comp.os.linux.hardware,alt.comp.hardware,alt.comp.hardware.pc-homebuilt
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usb 1-2: device descriptor read/64, error -71
Hi,
~ I am using knoppix 5.1.1 based on the Linux 2.6.19 kernel ~ sh-3.1# uname -r 2.6.19 ~ I started Linux/knoppix with the cheatcode ~ knoppix init 2 ~ then, after plugging in an external minidrive (before even starting X/KDE), I got: ~ Synchronizing SCSI cache for disk sda: FAILED status = 0, message = 00, vhost = 1, driver = 00 7 APIC error on CPU00: 01(01) usb 1-2: device descriptor read/64, error -71 usb 1-2: device descriptor read/64, error -71 usb 1-2: device descriptor read/64, error -71 usb 1-2: device descriptor read/64, error -71 usb 1-2: device descriptor read/64, error -71 usb 1-2: device descriptor read/64, error -71 .. . . ~ I read from the error message and from some postings out there that it is related to the combination of USB + APIC (+ low speed devices + bad drivers?), that it also happens with printers, pen drives and wireless cards connected via USB, so I started Linux/knoppix with: ~ knoppix apic=off noapic init 2 ~ then I didn't get the first error stanzas, but only the ~ usb 1-2: device descriptor read/64, error -71 usb 1-2: device descriptor read/64, error -71 usb 1-2: device descriptor read/64, error -71 .. . . ~ ones repeatedly ~ Why are these problems happening? ~ How can I fix them? ~ Thanks lbrtchx 
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#2
May 3rd 07, 06:23 PM
posted to comp.sys.ibm.pc.hardware.storage
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usb 1-2: device descriptor read/64, error -71
In comp.sys.ibm.pc.hardware.storage lbrtchx wrote:
Hi, ~ I am using knoppix 5.1.1 based on the Linux 2.6.19 kernel ~ sh-3.1# uname -r 2.6.19 ~ I started Linux/knoppix with the cheatcode ~ knoppix init 2 ~ then, after plugging in an external minidrive (before even starting X/KDE), I got: ~ Synchronizing SCSI cache for disk sda: FAILED status = 0, message = 00, vhost = 1, driver = 00 7 APIC error on CPU00: 01(01) usb 1-2: device descriptor read/64, error -71 usb 1-2: device descriptor read/64, error -71 usb 1-2: device descriptor read/64, error -71 usb 1-2: device descriptor read/64, error -71 usb 1-2: device descriptor read/64, error -71 usb 1-2: device descriptor read/64, error -71 . . . ~ I read from the error message and from some postings out there that it is related to the combination of USB + APIC (+ low speed devices + bad drivers?), that it also happens with printers, pen drives and wireless cards connected via USB, so I started Linux/knoppix with: ~ knoppix apic=off noapic init 2 ~ then I didn't get the first error stanzas, but only the ~ usb 1-2: device descriptor read/64, error -71 usb 1-2: device descriptor read/64, error -71 usb 1-2: device descriptor read/64, error -71 . . . ~ ones repeatedly ~ Why are these problems happening? ~ How can I fix them? ~ Thanks lbrtchx What is this ''external minidrive'' exactly? Typically all USB storage needs only the USB storage drive under Linux, so this seems to be either a hardware problem or a kernel bug. Bug 7932 might be what is the issue, see http://bugzilla.kernel.org/show_bug.cgi?id=7932 It seems to have been introduced some time after kernel 2.6.18.6 and is currently unresolved. The only advice I can give you at this time is to try with an older kernel, e.g. any 2.6.18-variant. Arno
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#3
May 4th 07, 11:43 AM
posted to comp.sys.ibm.pc.hardware.storage
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usb 1-2: device descriptor read/64, error -71
What is this ''external minidrive'' exactly?
a Toshiba 40.00 Gb HDD2171 MK40196GAX ~ I started Linux/knoppix with the cheatcode ~ acpi=off noacpi testcd init 2 ~ I ran dmesg: ~ .... usb 1-1: new high speed USB device using ehci_hcd and address 2 usb 1-1: device descriptor read/64, error -71 usb 1-1: configuration #1 chosen from 1 choice scsi0 : SCSI emulation for USB Mass Storage devices usb-storage: device found at 2 usb-storage: waiting for device to settle before scanning scsi 0:0:0:0: Direct-Access Generic USB Disk 9.02 PQ: 0 ANSI: 2 SCSI device sda: 78140160 512-byte hdwr sectors (40008 MB) sda: Write Protect is off sda: Mode Sense: 03 00 00 00 sda: assuming drive cache: write through SCSI device sda: 78140160 512-byte hdwr sectors (40008 MB) sda: Write Protect is off sda: Mode Sense: 03 00 00 00 sda: assuming drive cache: write through sda: sda1 sda2 sda3 sda4 sda5 sd 0:0:0:0: Attached scsi disk sda usb-storage: device scan complete ~ then fdisk and got ~ Disk /dev/sda: 40.0 GB, 40007761920 bytes 256 heads, 63 sectors/track, 4845 cylinders Units = cylinders of 16128 * 512 = 8257536 bytes Device Boot Start End Blocks Id System /dev/sda1 1 255 2056288+ 83 Linux /dev/sda2 256 1024 6201216 83 Linux /dev/sda3 1025 1892 6999552 c W95 FAT32 (LBA) /dev/sda4 1893 4845 23812992 5 Extended /dev/sda5 1893 4845 23812960+ 83 Linux ~ I am able to fdisk, mount and access this USB-based (it is also powered through the USB cable) external minidrive without any problems now, which makes me wonder how safe my perception is. ~ Is there any way I could test the drive by other means? Even in a low level way to see what is really going on with it and try to tell apart hardware from software problems and if they are software ones, of which kind? Or do you think the drive si just fine (I will regularly backup my data anyway ;-)) ~ lbrtchx
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#4
May 4th 07, 11:44 AM
posted to comp.sys.ibm.pc.hardware.storage
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usb 1-2: device descriptor read/64, error -71
Notice I am still getting the pesky
~ "device descriptor read/64, error -71" ~ error message ~ lbrtchx
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#5
May 4th 07, 04:42 PM
posted to comp.sys.ibm.pc.hardware.storage
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usb 1-2: device descriptor read/64, error -71
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#6
May 4th 07, 04:43 PM
posted to comp.sys.ibm.pc.hardware.storage
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usb 1-2: device descriptor read/64, error -71
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#7
May 4th 07, 07:56 PM
posted to comp.sys.ibm.pc.hardware.storage
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usb 1-2: device descriptor read/64, error -71
well, I think you are right. It might be most probably kernel related
~ I tried using knoppix 4.0.2 which uses kernel ~ 2.6.12 ~ and even though I still got "device descriptor read/64, error -71" the full dump read ~ usb 4-1: new full speed USB device using uhci_hcd and address 2 usb 4-1: device descriptor read/64, error -71 scsi1 : SCSI emulation for USB Mass Storage devices usb-storage: device found at 2 usb-storage: waiting for device to settle before scanning Vendor: Generic Model: USB Disk Rev: 9.02 Type: Direct-Access ANSI SCSI revision: 02 SCSI device sdb: 78140160 512-byte hdwr sectors (40008 MB) sdb: assuming drive cache: write through SCSI device sdb: 78140160 512-byte hdwr sectors (40008 MB) sdb: assuming drive cache: write through sdb: sdb1 sdb2 sdb3 sdb4 sdb5 Attached scsi disk sdb at scsi1, channel 0, id 0, lun 0 usb-storage: device scan complete ~ and I was able to use the disk without any problems ~ However it might also be hardware/BIOS related. When I try knoppix 5.1.1 CD at work with: ~ acpi=off noacpi init 2 ~ using my box at work, I am getting ~ usb 1-4: new high speed USB device using ehci_hcd and address 3 ehci_hcd 0000:00:1d.7: Unlink after no-IRQ? Controller is probably using the wrong IRQ. usb 1-4: device descriptor read/64, error -71 usb 1-4: device not accepting address 3, error -110 usb 1-4: new high speed USB device using ehci_hcd and address 4 usb 1-4: device not accepting address 4, error -110 usb 1-4: new high speed USB device using ehci_hcd and address 5 usb 1-4: device not accepting address 5, error -110 usb 1-4: new high speed USB device using ehci_hcd and address 6 usb 1-4: device not accepting address 6, error -110 ~ usb 2-4: new high speed USB device using ehci_hcd and address 2 ehci_hcd 0000:0a:0a.2: Unlink after no-IRQ? Controller is probably using the wrong IRQ. usb 2-4: device descriptor read/64, error -71 usb 2-4: device not accepting address 2, error -110 usb 2-4: new high speed USB device using ehci_hcd and address 3 usb 2-4: device descriptor read/64, error -110 usb 2-4: device not accepting address 3, error -110 usb 2-4: new high speed USB device using ehci_hcd and address 4 usb 2-4: device not accepting address 4, error -110 usb 2-4: new high speed USB device using ehci_hcd and address 5 usb 2-4: device not accepting address 5, error -110 usb 1-5: new high speed USB device using ehci_hcd and address 7 usb 1-5: device descriptor read/64, error -71 usb 1-5: device not accepting address 7, error -110 usb 1-5: new high speed USB device using ehci_hcd and address 8 usb 1-5: device descriptor read/64, error -110 usb 1-5: device not accepting address 8, error -110 usb 1-5: new high speed USB device using ehci_hcd and address 9 usb 1-5: device not accepting address 9, error -110 usb 1-5: new high speed USB device using ehci_hcd and address 10 usb 1-5: device not accepting address 10, error -110 ~ usb 1-6: new high speed USB device using ehci_hcd and address 3 ehci_hcd 0000:00:1d.7: Unlink after no-IRQ? Controller is probably using the wrong IRQ. usb 1-6: device descriptor read/64, error -71 usb 1-6: device not accepting address 3, error -110 usb 1-6: new high speed USB device using ehci_hcd and address 4 usb 1-6: device not accepting address 4, error -110 usb 1-6: new high speed USB device using ehci_hcd and address 5 usb 1-6: device not accepting address 5, error -110 usb 1-6: new high speed USB device using ehci_hcd and address 6 usb 1-6: device not accepting address 6, error -110 ~ lbrtchx
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#8
May 5th 07, 08:09 PM
posted to comp.sys.ibm.pc.hardware.storage
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usb 1-2: device descriptor read/64, error -71
In article .com,
writes acpi=off noacpi testcd init 2 Shouldn't that be "acpi=off noapic" ? -- (\__/) Bunny says NO to Windows Vista! (='.'=) http://www.badvista.org/ (")_(") http://www.cs.auckland.ac.nz/~pgut00...ista_cost.html http://www.theinquirer.net/default.aspx?article=38926 http://www.schneier.com/crypto-gram-0702.html#8 http://www.theinquirer.net/default.aspx?article=39051 http://www.theinquirer.net/default.aspx?article=39087 http://www.theinquirer.net/default.aspx?article=37091 http://www.theinquirer.net/default.aspx?article=36653
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#10
May 6th 07, 02:18 AM
posted to comp.sys.ibm.pc.hardware.storage
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usb 1-2: device descriptor read/64, error -71
Hmm! Actually there is both:
~ noapic and noacpi ~ http://www.knoppix.net/wiki/Cheat_Codes ~ http://www.damnsmalllinux.org/wiki/i...hp/Cheat_Codes ~ http://hamshack-hack.sourceforge.net/knx-cheat.html ~ http://en.wikipedia.org/wiki/Advance...ower_Interface ~ http://support.novell.com/techcenter...0/81_acpi.html ~ lbrtchx
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