Date: Tue, 17 Sep 2019 10:09:12 -0400 From: Mark Johnston <markj@freebsd.org> To: Masachika ISHIZUKA <ish@amail.plala.or.jp> Cc: freebsd-current@freebsd.org Subject: Re: hang up with r352239 and r352386 with i5-7500 Message-ID: <20190917140912.GC35245@raichu> In-Reply-To: <20190917.072041.480458056274937279.ish@amail.plala.or.jp> References: <3a5c3efe-4598-66ae-7e3f-a54c1dc8c2e8@freebsd.org> <20190916.230642.762794847379060930.ish@amail.plala.or.jp> <746a0593-3dad-e3f5-53db-994c9a058233@freebsd.org> <20190917.072041.480458056274937279.ish@amail.plala.or.jp>
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On Tue, Sep 17, 2019 at 07:20:41AM +0900, Masachika ISHIZUKA wrote:
> > On 2019-09-16 16:06, Masachika ISHIZUKA wrote:
> >>> Can you please use absolute paths to i915kms.ko anyway, just to test?
> >> The same hang up occure with kld_list="/boot/modules/i915kms.ko"
> >> in /etc/rc.conf.
> >>
> >
> > Even after applying the patch I suggested?
>
> Yes.
>
> kld_list="/boot/modules/drm.ko /boot/modules/i915kms.ko"
> will hang as well.
>
> /boot/modules/{drm,i915kms}.ko is patched modules.
>
> # /boot/kernel.r352239/{drm,i915kms}.ko is not patched.
Are you able to collect a kernel dump? If so, remove the kld_list
setting and set debug.debugger_on_panic=0 and dev.drm.skip_ddb=1. Then
manually kldload /boot/modules/i915kms.ko. If you are running an
INVARIANTS kernel you might be hitting an assertion failure; having the
vmcore would help us debug.
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