Bug 225879 – dev-libs/libusb-0.1.12 fails to detect device remove and goes into infintive cycle

• Status: RESOLVED FIXED
• Product: Gentoo Linux

[Description roma1390 2008-06-11 11:55:55 UTC]

libusb-0.1.12 on usb_bulk_read or usb_bulk_write goes into infinitive when user removes usb device (or device firmware reset device itself).

strace from program which called usb_bulk_read with timeout 1000

9388  14:00:31 ioctl(11, USBDEVFS_REAPURBNDELAY, 0xbf84af08) = -1 ENODEV (No such device)
9388  14:00:31 select(12, NULL, [], NULL, {0, 1000}) = 0 (Timeout)
9388  14:00:31 ioctl(11, USBDEVFS_REAPURBNDELAY, 0xbf84af08) = -1 ENODEV (No such device)
9388  14:00:31 select(12, NULL, [], NULL, {0, 1000}) = 0 (Timeout)
9388  14:00:31 ioctl(11, USBDEVFS_REAPURBNDELAY, 0xbf84af08) = -1 ENODEV (No such device)
9388  14:00:31 select(12, NULL, [], NULL, {0, 1000}) = 0 (Timeout)
9388  14:00:31 ioctl(11, USBDEVFS_REAPURBNDELAY, 0xbf84af08) = -1 ENODEV (No such device)
9388  14:00:31 select(12, NULL, [], NULL, {0, 1000}) = 0 (Timeout)
9388  14:00:31 ioctl(11, USBDEVFS_REAPURBNDELAY, 0xbf84af08) = -1 ENODEV (No such device)
9388  14:00:31 select(12, NULL, [], NULL, {0, 1000}) = 0 (Timeout)
9388  14:00:31 ioctl(11, USBDEVFS_REAPURBNDELAY, 0xbf84af08) = -1 ENODEV (No such device)
9388  14:00:31 select(12, NULL, [], NULL, {0, 1000}) = 0 (Timeout)
9388  14:00:31 ioctl(11, USBDEVFS_REAPURBNDELAY, 0xbf84af08) = -1 ENODEV (No such device)
9388  14:00:31 select(12, NULL, [], NULL, {0, 1000}) = 0 (Timeout)
9388  14:00:31 ioctl(11, USBDEVFS_REAPURBNDELAY, 0xbf84af08) = -1 ENODEV (No such device)
9388  14:00:31 select(12, NULL, [], NULL, {0, 1000}) = 0 (Timeout)


Reproducible: Always

Steps to Reproduce:

[Comment 1 roma1390 2008-06-11 11:57:22 UTC]

Created attachment 156339 [details, diff]
patch

This patch fixes described problem

[Comment 2 Robin Johnson 2008-06-25 03:25:50 UTC]

dsd: for your edification as upstream


incvs.