nvmm-induced panic on -current

[Chavdar Ivanov <ci4ic4%gmail.com@localhost>]

Hi,

I just got:
.....
Jan  5 14:07:04 ymir /netbsd: [ 59319.7533581] panic: fpudna from
kernel, ip 0xffffffff80226c3f, trapframe 0xffffdc81fab42c80
Jan  5 14:07:04 ymir /netbsd: [ 59319.7533581] cpu0: Begin traceback...
Jan  5 14:07:04 ymir /netbsd: [ 59319.7533581] vpanic() at netbsd:vpanic+0x178
Jan  5 14:07:04 ymir /netbsd: [ 59319.7533581] snprintf() at netbsd:snprintf
Jan  5 14:07:04 ymir /netbsd: [ 59319.7533581] fpu_set_default_cw() at
netbsd:fpu_set_default_cw
Jan  5 14:07:04 ymir /netbsd: [ 59319.7533581] Xtrap07() at netbsd:Xtrap07+0xbd
Jan  5 14:07:04 ymir /netbsd: [ 59319.7533581] nvmm_ioctl() at
nvmm:nvmm_ioctl+0xec
Jan  5 14:07:04 ymir /netbsd: [ 59319.7533581] sys_ioctl() at
netbsd:sys_ioctl+0x59e
Jan  5 14:07:04 ymir /netbsd: [ 59319.7533581] syscall() at netbsd:syscall+0x299
Jan  5 14:07:04 ymir /netbsd: [ 59319.7533581] --- syscall (number 54) ---
Jan  5 14:07:04 ymir /netbsd: [ 59319.7533581] 73188eb8199a:
Jan  5 14:07:04 ymir /netbsd: [ 59319.7533581] cpu0: End traceback...
Jan  5 14:07:04 ymir /netbsd:
Jan  5 14:07:04 ymir /netbsd: [ 59319.7649742] dumping to dev 168,2
(offset=8, size=5225879):
Jan  5 14:07:04 ymir /netbsd: [ 59319.7649742] dump failed:
insufficient space (7221248 < 11753276)
....

on

NetBSD 9.99.33 (GENERIC) #17: Sat Jan  4 18:16:34 GMT 2020
        sysbuild@ymir:/home/sysbuild/amd64/obj/home/sysbuild/src/sys/arch/amd64/compile/GENERIC

starting one of my qemu-nvmm virtual machines - Windows 10 32-bit -
which used to work rather well, but I haven't started it for several
weeks, so am not sure when the break has happened.

Chavdar



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