Re: xhci_hcd crash on linux 4.7.0

2016-11-01 Thread Alex Damian
Hello, Coming back to this old thread. I enabled the xhci debug, with little success. I am running now kernel 4.8.4; there is no dmesg dump anymore, the system just reboots by itself. As I am running kernel crash dump, the system loads the kdump kernel, but doesn't find anything to save. The int

Re: xhci_hcd crash on linux 4.7.0

2016-10-12 Thread Alex Damian
Forgot to mention, I just reproduced it on the mainline 4.8.1 kernel. On Wed, Oct 12, 2016 at 5:13 PM, Alex Damian wrote: > Hello, > > To follow up on the original bug report. I am still experiencing > memory corruption problems in the xhci stack. > > One thing I noticed is t

Re: xhci_hcd crash on linux 4.7.0

2016-10-12 Thread Alex Damian
.2016 17:41, Alex Damian wrote: >> >> On Fri, Jul 29, 2016 at 2:53 PM, Greg KH wrote: >>> >>> On Fri, Jul 29, 2016 at 10:58:03AM +0100, Alex Damian wrote: >>>> >>>> Hi Greg, >>>> >>>> I managed to reproduce with a untainte

Re: xhci_hcd crash on linux 4.7.0

2016-07-29 Thread Alex Damian
On Fri, Jul 29, 2016 at 2:53 PM, Greg KH wrote: > On Fri, Jul 29, 2016 at 10:58:03AM +0100, Alex Damian wrote: >> Hi Greg, >> >> I managed to reproduce with a untainted kernel, see dmesg paste below. >> The stack seemed corrupted as well ? >> >> I refered t

Re: xhci_hcd crash on linux 4.7.0

2016-07-29 Thread Alex Damian
4 00 00 48 89 f8 48 89 d1 a4 c3 0f 1f 80 00 00 00 00 48 89 f8 48 83 fa 20 72 7e 40 38 [10035.840429] RIP [] memcpy_erms+0x6/0x10 [10035.840445] RSP [10035.856879] ---[ end trace affc0ce74aea10c7 ]--- On Thu, Jul 28, 2016 at 2:40 PM, Greg KH wrote: > On Thu, Jul 28, 2016 at 11:29:41AM +0

xhci_hcd crash on linux 4.7.0

2016-07-28 Thread Alex Damian
Hello all, Hope this is the right place to report a bug; if not, please direct me to where it should go. I am running a mainline kernel build by the Ubuntu mainline PPA, on a 2015 Macbook. It is being tainted by use of the vboxdrv module. I am repeatedly getting errors on xhci_hcd irq handler. T