Hi, Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx> writes: > On Wed, Aug 17, 2016 at 09:56:02PM +0200, Filip Ayazi wrote: >> Forwarding bug report from bugzilla #153211 as requested: >> >> System crashes completely during or immediately after installing APK to android >> phone over usb using android studio. I was unable to reproduce this bug any >> other way. > > So the crash is on the host device, or the gadget device (the phone)? Seems like host side gets stuck :-) >> The only way to recover after the crash is a hard restart, netconsole captures >> the following at the time: >> [10592.718753] NMI watchdog: BUG: soft lockup - CPU#2 stuck for 23s! [java:18908] >> [10620.720015] NMI watchdog: BUG: soft lockup - CPU#2 stuck for 23s! [java:18908] >> [10648.721278] NMI watchdog: BUG: soft lockup - CPU#2 stuck for 22s! [java:18908] >> [10676.722541] NMI watchdog: BUG: soft lockup - CPU#2 stuck for 22s! [java:18908] >> [10704.723804] NMI watchdog: BUG: soft lockup - CPU#2 stuck for 22s! [java:18908] >> [10732.725067] NMI watchdog: BUG: soft lockup - CPU#2 stuck for 22s! [java:18908] >> [10760.726330] NMI watchdog: BUG: soft lockup - CPU#2 stuck for 22s! [java:18908] >> [10788.727594] NMI watchdog: BUG: soft lockup - CPU#2 stuck for 22s! [java:18908] >> [10816.728857] NMI watchdog: BUG: soft lockup - CPU#2 stuck for 22s! [java:18908] >> [10844.730120] NMI watchdog: BUG: soft lockup - CPU#2 stuck for 22s! [java:18908] >> Bisecting shown that commit >> 86065c2719 "xhci: don't rely on precalculated value of needed trbs in the enqueue loop" >> somehow introduced the issue, but I can't find how. >> Please let me know how I can help to fix this. Can you test this commit? https://git.kernel.org/cgit/linux/kernel/git/mnyman/xhci.git/commit/?h=for-usb-linus&id=5be1233bacedbeb166c4f7a8136c03cec18bf1ee It's a patch mentioning the same situation > What kernel version are you hitting this on? commit above was introduced in v4.8-rc1 during this past merge window. -- balbi
Attachment:
signature.asc
Description: PGP signature
