Alan Stern wrote: > On Tue, 15 Nov 2005, Jan Kiszka wrote: > > >>Trace attached. One ehci_endpoint_disable call actually does not return. >> >>I furthermore had my box running without ehci for about 8 hours today, >>and no disconnect occured. >> >>Next step? > > > Unfortunately the stack trace doesn't mention khubd. Undoubtedly the > trace overran the kernel's log buffer. You could try reconfiguring the > kernel to increase the log-buffer size. >
You mean something like this:
khubd D 003D446F 0 1749 6 5752 692 (L-TLB)
ccfade98 00000000 bec52600 003d446f ccefd688 ccefd560 bec52600 003d446f
00000000 00000000 c0316a60 ccfadea8 00f94b77 cdb57800 cdb578e0
c0261e67
ccfadea8 00f94b77 c03383d0 c03383d0 00f94b77 4b87ad6e c011e16d
ccefd560
Call Trace:
[schedule_timeout+130/163] schedule_timeout+0x82/0xa3
[process_timeout+0/9] process_timeout+0x0/0x9
[pg0+241756895/1070240768] ehci_endpoint_disable+0xa6/0x140 [ehci_hcd]
[pg0+242750144/1070240768] usb_disable_device+0x63/0x157 [usbcore]
[pg0+242730389/1070240768] usb_disconnect+0xc2/0x161 [usbcore]
[pg0+242734186/1070240768] hub_port_connect_change+0xc3/0x3f1 [usbcore]
[pg0+242735944/1070240768] hub_events+0x3b0/0x4bf [usbcore]
[pg0+242736215/1070240768] hub_thread+0x0/0xdb [usbcore]
[pg0+242736224/1070240768] hub_thread+0x9/0xdb [usbcore]
[autoremove_wake_function+0/58] autoremove_wake_function+0x0/0x3a
[kthread+105/150] kthread+0x69/0x96
[kthread+0/150] kthread+0x0/0x96
[kernel_thread_helper+5/11] kernel_thread_helper+0x5/0xb
Jan
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