On Tue, 26 Jun 2007 19:12:14 -0700 (PDT) [EMAIL PROTECTED] wrote: > http://bugzilla.kernel.org/show_bug.cgi?id=8681 > > Summary: USB printer autosuspend breaks Samsung ML-2510 > Product: Drivers > Version: 2.5 > KernelVersion: 2.6.21.5 > Platform: All > OS/Version: Linux > Tree: Mainline > Status: NEW > Severity: normal > Priority: P1 > Component: USB > AssignedTo: [EMAIL PROTECTED] > ReportedBy: [EMAIL PROTECTED] > > > With all recent kernels, support for the Samsung ML-2510 USB printer (USB ID > 04e8:327e) is broken. When plugged in the printer shows up and works for a few > seconds; then, with no obvious trigger or dmesg output, it stops working and > disappears from `lsusb`. Other USB devices on this system work fine, > > I've narrowed it down the following patch, introduced in 2.6.20: > > d0532184086906889f4a0cd92eade1f7be49fbac > USB: autosuspend for usb printer driver > > this implements autosuspend for usb printers. It compiles and is tested. > > Reverting that single patch from 2.6.21.5 fixes the problem. > > Please consider fixing/reverting/quirking the USB printer autosuspend code. > >
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