Messages in this thread | | | Date | Sun, 26 Nov 2017 10:27:48 +0100 (CET) | From | Thomas Gleixner <> | Subject | Re: [PATCH] x86/orc: Don't bail on stack overflow |
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On Sat, 25 Nov 2017, Josh Poimboeuf wrote:
> It looks a *lot* better with mine and your patches applied. It probably > would have helped Ingo and Thomas figure the problem out a lot sooner:
> [ 1.159583] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > [ 1.159583] CR2: ffffffffff083fb8 CR3: 0000000136f78002 CR4: 00000000001606e0 > [ 1.159583] Call Trace: > [ 1.159583] <SYSENTER> > [ 1.159583] __do_page_fault+0x4b0/0x4b0 > [ 1.159583] page_fault+0x2c/0x60 > [ 1.159583] RIP: 0010:do_page_fault+0x0/0x100 > [ 1.159583] RSP: 0000:ffffffffff084120 EFLAGS: 00010012 > [ 1.159583] RAX: 00000000819d0a87 RBX: 0000000000000001 RCX: ffffffff819d0a87 > [ 1.159583] RDX: 0000000000001000 RSI: 0000000000000010 RDI: ffffffffff084128 > [ 1.159583] RBP: 0000000000000d68 R08: 00007f6d6bb24278 R09: 0000000000000023 > [ 1.159583] R10: 0000558e0feca600 R11: 0000000000000246 R12: 00007f6d6bb203c0 > [ 1.159583] R13: 00007f6d6bb1f880 R14: 00007ffff793bebc R15: 0000000000000100 > [ 1.159583] ? native_iret+0x7/0x7 > [ 1.159583] page_fault+0x2c/0x60 > [ 1.159583] RIP: 0010:apic_timer_interrupt+0x0/0xb0
Yes. That would have pointed immediately to the right place. It'd been obvious that apic_timer_interrupt is not mapped.
Thanks,
tglx
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