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.


Jakob

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