On 1/11/21 1:14 PM, Hans Petter Selasky wrote: > On 1/11/21 11:12 AM, Jakob Alvermark wrote: >> >> Updated my Acer laptop from r367734 to main-c255666-g1790f5e654f >> >> >> Rebooting with the newly build kernel i get this panic. >> >> >> Fatal trap 12: page fault while in kernel mode >> >> cpuid = 1; apic id = 02 >> fault virtual address = 0x1030000 >> fault code = supervisor read data, >> >> instruction pointer = 0x20:0xffffffff809e5265 >> stack pointer = 0x28:0xffffffff8281db70 >> frame pointer = 0x28:0xffffffff8281db70 >> code segment = base 0x0, limit 0xfffff, type 0x1b >> = DPL 0, pres 1, long 1, def32 0, gran 1 >> processor eflags = interrupt enabled, resume, IOPL = 0 >> current process = 12 (irq88: xhci0) >> trap number = 12 >> panic: page fault >> cpuid = 1 >> time = 2 >> KDB: stack backtrace: >> db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame >> 0xffffffff8281d820 >> vpanic() at vpanic+0x181/frame 0xffffffff8281d870 >> panic() at panic+0x43/frame 0xffffffff8281d8d0 >> trap_fatal() at trap_fatal+0x387/frame 0xffffffff8281d930 >> trap_pfault() at trap_pfault+0x4f/frame 0xffffffff8281d990 >> trap() at trap+0x280/frame 0xffffffff8281daa0 >> calltrap() at calltrap+0x8/frame 0xffffffff8281daa0 >> --- trap 0xc, rip = 0xffffffff809e5265, rsp = 0xffffffff8281db70, >> rbp = 0xffffffff8281db70 --- >> usbd_get_page() at usbd_get_page+0x65/frame 0xffffffff8281db70 >> xhci_interrupt_poll() at xhci_interrupt_poll+0x29/frame >> 0xffffffff8281dc20 >> xhci_interrupt() at xhci_interrupt+0x11a/frame 0xffffffff8281dc60 >> ithread_loop() at ithread_loop+0x24f/frame 0xffffffff8281dcf0 >> fork_exit() at fork_exit+0x7e/frame 0xffffffff8281dd30 >> fork_trampoline() at fork_trampoline+0xe/frame 0xffffffff8281dd30 >> --- trap 0, rip = 0, rsp = 0, rbp = 0 --- >> KDB: enter: panic >> >> >> Any help appreciated. > > Hi, > > If you could bi-sect that panic, would be great. > > Else install gdb from ports and run: > > kgdb101 > > info line *(usbd_get_page+0x65) > > Having just learned how to bisect (thanks Warner for the mini primer) this is the result: de0b2d4f47bad36025dcf52755ce76cca6e715d9 is the first bad commit JakobReceived on Mon Jan 11 2021 - 15:24:44 UTC
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