Further investigation on the weather station server has revealed masses of the following errors: kernel: AMD-Vi: Event logged [IO_PAGE_FAULT device=00:13.0 domain=0x0008 address=0x0000000000000080 flags=0x0020] It would appear the new kernel has picked up the IOMMU error reported in RH bugzilla 1274527 Cheers Bill -----Original message----- > From:Bill Maidment <[log in to unmask]> > Sent: Thursday 17th December 2015 17:02 > To: Connie Sieh <[log in to unmask]> > Cc: Pat Riehecky <[log in to unmask]>; [log in to unmask] > Subject: RE: [SCIENTIFIC-LINUX-DEVEL] Posted for testing: 7.2 security updates (SL7) > > Hi > I've had a chance to reinstall the new kernel on the problem machine again, and it still kernel panics on boot. This machine has usb keyboard and mouse. > I have another machine which refuses to recognize my usb weather station (Bus 005 Device 002: ID 0fde:ca01 Oregon Scientific WMRS200 weather station), but is quite happy on the older kernel. > I believe the new kernel has a usb issue. > > Cheers > Bill > > -----Original message----- > > From:Connie Sieh <[log in to unmask]> > > Sent: Wednesday 16th December 2015 9:57 > > To: Bill Maidment <[log in to unmask]> > > Cc: Pat Riehecky <[log in to unmask]>; [log in to unmask] > > Subject: RE: [SCIENTIFIC-LINUX-DEVEL] Posted for testing: 7.2 security updates (SL7) > > > > On Tue, 15 Dec 2015, Bill Maidment wrote: > > > > > Hi Pat I have tested the updates from sl-testing on several machines and > > > all bar one have not caused any issues. The one issue I had was with an > > > older machine which gives a kernel panic on boot using > > > kernel-3.10.0-327.3.1.el7.x86_64 If I revert to > > > kernel-3.10.0-229.20.1.el7.x86_64 then the machine boots OK and > > > everything runs OK. > > > > > > I don't have access to this particular machine today, but I will try a > > > reinstall of the new kernel tomorrow (Australian time) and see if I can > > > replicate the issue. > > > > > > Cheers > > > Bill Maidment > > > > > > > > > > > Bill, > > > > Thanks for testing. > > -- > > > > Connie J. Sieh > > Computing Services Specialist III > > > > Fermi National Accelerator Laboratory > > 630 840 8531 office > > > > http://www.fnal.gov > > [log in to unmask] > > > > > >