[Bug 85488] Re: some usb_devices fault if usb_suspend enabled

2007-09-09 Thread Oliver Neukum
@fishor:

sorry I misunderstood you. Nevertheless, the correct handling in your case is 
to issue a command to spin down the disk in the suspend() method of the storage 
driver. It needs to be discussed and tested whether this can be done for all 
devices, or your device needs a new kind of quirk.
Could you report your bug to [EMAIL PROTECTED] ?

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[Bug 85488] Re: some usb_devices fault if usb_suspend enabled

2007-09-06 Thread Oliver Neukum
That is not a kernel bug. You can set a default timeout for autosuspend
in the module parameters of usbcore.

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[Bug 85488] Re: some usb_devices fault if usb_suspend enabled

2007-07-30 Thread Oliver Neukum
@Amit

git://www.kernel.org/linux/kernel/git/gregkh/usb-2.6.git

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[Bug 85488] Re: some usb_devices fault if usb_suspend enabled

2007-07-20 Thread Oliver Neukum
@Philipp

Please report this to [EMAIL PROTECTED]

@Amit

I am taking all IDs reported in this thread and putting them into Greg's
tree. You can use its latest quirk file.

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[Bug 85488] Re: some usb_devices fault if usb_suspend enabled

2007-07-20 Thread Oliver Neukum
@Renzo Bagnati

Please verify that scanner. I cannot blacklist on a suspicion.

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[Bug 85488] Re: some usb_devices fault if usb_suspend enabled

2007-07-20 Thread Oliver Neukum
The most likely devices to fail upon suspension are those that are least
likely attached to laptops. Scanners and printers come foremost to my
mind. To test printers you'll have to unload the usblp module, wait 4
seconds and reload it. Usually you see a disconnect event in the syslog
when the device is resumed.

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[Bug 85488] Re: some usb_devices fault if usb_suspend enabled

2007-07-20 Thread Oliver Neukum
additional quirks

** Attachment added: quirk3.diff
   http://launchpadlibrarian.net/8533186/quirk3.diff

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[Bug 85488] Re: some usb_devices fault if usb_suspend enabled

2007-07-19 Thread Oliver Neukum
Any further IDs? Everything posted so far is on the way into the
standard kernel.

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[Bug 85488] Re: some usb_devices fault if usb_suspend enabled

2007-07-12 Thread Oliver Neukum
 UMax
 Astra Net e3420.

Post vendor:product id

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[Bug 85488] Re: some usb_devices fault if usb_suspend enabled

2007-07-11 Thread Oliver Neukum
Try the autosuspend parameter in /etc/modprobe.conf.local

The IDs so far reported have been added to the USB development tree.

** Attachment added: new_quirks_1.patch
   http://launchpadlibrarian.net/8410141/new_quirks_1.patch

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[Bug 85488] Re: some usb_devices fault if usb_suspend enabled

2007-07-06 Thread Oliver Neukum
Regarding the Braille device I am sorry. Please get me the
vendor:product ids. Or is there a device class?

For the other devices, please post the vendor:product pairs on this page
and I'll include them in 2.6.23

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[Bug 85488] Re: some usb_devices fault if usb_suspend enabled

2007-06-23 Thread Oliver Neukum
The kernel does wake up the devices if they are opened through usbfs.
But that exactly is the point the buggy devices crash. Either you never
suspend the scanners at all, or you need a work around.

As for the placement, it must be in kernel space. Some devices that have
kernel drivers have the same problem. We cannot have two work arounds.

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[Bug 85488] Re: some usb_devices fault if usb_suspend enabled

2007-06-21 Thread Oliver Neukum
The increment of the number is consistent with the scanner disconnecting
upon suspension, but the part of your log you posted doesn't show it. Is
it complete?

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[Bug 85488] Re: some usb_devices fault if usb_suspend enabled

2007-06-12 Thread Oliver Neukum
Yes, I need the syslog, but I need it for the actual failure case. If
the scanner works I can't fix bugs.

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[Bug 85488] Re: some usb_devices fault if usb_suspend enabled

2007-06-12 Thread Oliver Neukum
Ok, if you want to capture debug info.

1. Boot with your scanner switched off
2. Notice the state of /var/log/messages
3. Switch on your scanner
4. Wait half a minute
5. Do scanimage -L (or anything that will fail)
6. Send me everything added to /var/log/messages after step 2

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[Bug 85488] Re: some usb_devices fault if usb_suspend enabled

2007-06-11 Thread Oliver Neukum
Hi,

the newest USB development trees contain a workaround for some types of
breakage relevant here. However the scanner must be blacklisted for that
to be activated. I need syslogs, preferably with CONFIG_USB_DEBUG, of
your failures to include your scanners in new releases.

Regards
Oliver
usb developer

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