Asus E45M1-M PRO (panic: malloc(M_WAITOK) with sleeping prohibited)

[David Wolfskill]

On Thu, Mar 11, 2021 at 07:57:36PM -0800, Alastair Hogge wrote:
> Turns out, EFI boot stopped working. The following boots but fails with
> ... 
> umass0:  SCSI over Bulk-Only; quirks = 0x4001
> umass0:6:0: Attached to scbus6
> Root mount waiting for: usbus5 CAM
> panic: malloc(M_WAITOK) with sleeping prohibited
> cpuid = 0
> time = 4
> KDB: stack backtrace:
> db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame
> 0xfffffe0081dcf5f0
> vpanic() at vpanic+0x181/frame 0xfffffe0081dcf640
> panic() at panic+0x43/frame 0xfffffe0081dcf6a0
> malloc_dbg() at malloc_dbg+0xd4/frame 0xfffffe0081dcf6c0
> malloc() at malloc+0x34/frame 0xfffffe0081dcf720
> disk_alloc() at disk_alloc+0x1c/frame 0xfffffe0081dcf740
> daregister() at daregister+0x3f4/frame 0xfffffe0081dcf9c0
> cam_periph_alloc() at cam_periph_alloc+0x57b/frame 0xfffffe0081dcfa90
> daasync() at daasync+0x2c2/frame 0xfffffe0081dcfb00
> xpt_async_process_dev() at xpt_async_process_dev+0x152/frame
> 0xfffffe0081dcfb50
> xpt_async_process() at xpt_async_process+0x334/frame 0xfffffe0081dcfc60
> xpt_done_process() at xpt_done_process+0x3a3/frame 0xfffffe0081dcfca0
> xpt_done_td() at xpt_done_td+0xf5/frame 0xfffffe0081dcfcf0
> fork_exit() at fork_exit+0x80/frame 0xfffffe0081dcfd30
> fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe0081dcfd30
> --- trap 0, rip = 0, rsp = 0, rbp = 0 ---
> ....

You may find the change that's in https://reviews.freebsd.org/D29210
helps -- the trace looks similar to what I saw, and it has worked for
me.

Note that I only saw the panic while running a kernel with INVARIANTS.

Peace,
david
-- 
David H. Wolfskill                              david at catwhisker.org
That broadly-popular "American Rescue Plan" (stimulus/COVID relrief)?
Ever Republican vote in Congress was against it.

See https://www.catwhisker.org/~david/publickey.gpg for my public key.
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