Date: Fri, 8 Apr 2016 17:29:07 +0800 From: Sepherosa Ziehau <sephe@freebsd.org> To: smokehydration@tutanota.com Cc: "freebsd-current@freebsd.org" <freebsd-current@freebsd.org> Subject: Re: Revision 297176 - hyperv/evttimer: Use an independent message slot so that it can work Message-ID: <CAMOc5cyskn2qEoki_N_yWquc3YTzoBzkUU2Gku61BR82UPSa6g@mail.gmail.com> In-Reply-To: <KEosm96--3-0@tutanota.com> References: <KEosm96--3-0@tutanota.com>
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I have reverted this change. It will be brought back, after some code refactoring. On Fri, Apr 8, 2016 at 4:22 PM, <smokehydration@tutanota.com> wrote: > > Hello > > I recently update one of my many vms from an older CURRENT revision r297196 > to r297659 and on reboot it just panics with the following: > > FreeBSD clang version 3.8.0 (tags/RELEHSE_380/final 262564) (based on LLVM > 3.8.0 > ) > VT(vga): text 80x25 > Timecounter "Hyper-V" frequency 10000000 Hz quality 10000000 > Kernel trap 9 with interrupts disabled > > > Fatal trap 9: general protection fault while in kernel mode > cpuid = 0: apic id = 00 > instruction pointer = 0x20:0xffffffff8100d6?9 > stack pointer = 0x28:oxffffffff820d5c30 > frame pointer = 0x28:oxffffffff820d5c40 > code segment = base 0x0, limit 0xfffff, type 0x1b > = DPL 0, pres 1, long 1, def32 0, gran 1 > processor eflags = IOPL = 0 > current process = 0 () > [ thread pid 0 tid 0 ] > stopped at hv_get_timecount+0x9: rdmsr > db) wh > Tracing pid 0 tid 0 td 0xffffffff81d0eff0 > hv_get_timecount() at hv_get_timecount+0x9/frame 0xffffffff820d5c40 > tc_init() at tc_init+0x251/frame 0xffffffff820d5c90 > mi_startup() at mi_startup+0x118/frame 0xffffffff820d5cb0 > btext() at btext+ox2c = > db> > > I changed hv_hv.c back to the previous revision (297176) and no panics under > Xen VM. > > Thanks! > > p.s. not sure why Xen gets detected as HyperV > -- Tomorrow Will Never Die
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