Ok, thank you Hans. When I connect my external USB disk I've 30 seconds before my laptop freezes: with top command I cannot view nothing: no abnormal cpu usage, no any strange memory usage. If I remove disk before 30 seconds my HP EliteBook 850G1 keeps working as usual. Can I use these 30 seconds to extract some informations that help to determine what's the problem? How? /var/log/syslog and dmesg haven't any messages. System lock is complete: also key CAPS LOCK does not work anymore. I've tried without X: when computer locks 3 lines appear on console that are not registered on syslog, I've copied them on paper. [ 1200.352042] IP: [<ffffffff8179393f>] _raw_spin_lock_irqsave+ 0x01f/0x060 [ 1200.352045] PGD 0 [ 1200.352048] Oops: 0002 [#1] SMP Ciao, Claudio 2014-08-22 20:26 GMT+02:00 Hans de Goede <hdegoede@xxxxxxxxxx>: >... > There is no need to try my patch, since the descriptors already limit > qdepth to 32. No idea what is going on here then. -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
