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Date:      Wed, 16 Dec 2020 22:22:03 +0000
From:      Graham Perrin <grahamperrin@gmail.com>
To:        Mike Clarke <jmc-freebsd2@milibyte.co.uk>
Cc:        freebsd-questions@freebsd.org
Subject:   Re: x11/sddm hangs with black screen
Message-ID:  <1a3a21cd-133b-068d-a494-00837479ceb8@gmail.com>
In-Reply-To: <2083217.3V7qYkmoPJ@curlew>
References:  <1612377.MsCH1bHPGx@curlew> <2388513.oMScJ4UOta@curlew> <103c8f2e-e1fa-294c-afbd-6a88d36d9c57@gmail.com> <2083217.3V7qYkmoPJ@curlew>

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On 16/12/2020 10:58, Mike Clarke wrote:
> On Wednesday, 16 December 2020 03:20:01 GMT Graham Perrin wrote:
>> Thanks. Still, I'll be glad to know the graphics adapter details, and
>>
>> cat /etc/rc.conf | grep -v \#
>>
>> I have encountered blackouts of the type that you describe on numerous
>> occasions, and I can suggest some tips on future avoidance, but it'll be
>> smart to know about your hardware etc. before doing so.
> It's integrated graphics on a motherboard with an Intel Z97 Express Chipset
>
> curlew:/home/mike% grep -v \# /etc/rc.conf | grep -v '^$'
> zfs_enable=YES
> hostname=curlew
> defaultrouter="192.168.1.1"
> ifconfig_re0="inet 192.168.1.13 netmask 255.255.255.0"
> ipv6_activate_all_interfaces="YES"
> ifconfig_re0_ipv6="inet6 accept_rtadv"
> ipv6_privacy="YES"
> inetd_enable="YES"
> keymap="uk"
> moused_enable="YES"
> devfs_system_ruleset="localrules"
> moused_flags="-V"
> sshd_enable="YES"
> hald_enable="YES"
> dbus_enable="YES"
> avahi_daemon_enable="YES"
> linux_enable="YES"
> sendmail_enable="NO"
> sendmail_submit_enable="NO"
> sendmail_outbound_enable="NO"
> sendmail_msp_queue_enable="NO"
> exim_enable="YES"
> dovecot_enable="YES"
> spamd_enable="YES"
> spamd_flags="-c -u spamd -H /var/spool/spamd"
> anacron_enable="YES"
> apache24_enable="YES"
> mysql_enable="YES"
> cupsd_enable="YES"
> samba_server_enable="YES"
> sddm_enable="YES"
> fusefs_enable="YES"
> powerd_enable="YES"
> sndiod_enable="YES"
> dumpdev="AUTO"
> firewall_enable="YES"
> firewall_type="workstation"
> firewall_script="/etc/rc.firewall"
> firewall_logging="YES"
> firewall_logdeny="YES"
> firewall_nologports=""
> vboxnet_enable="YES"
> kld_list="vboxdrv fuse coretemp /boot/modules/i915kms.ko"
>
> And, in case it's relevant:
>
> curlew:/home/mike% pkg info -x drm
> drm-fbsd12.0-kmod-4.16.g20201016
> drm-kmod-g20190710
> libdrm-2.4.103,1
> linux-c7-libdrm-2.4.91
> curlew:/home/mike% kldstat
> Id Refs Address                Size Name
> 1   76 0xffffffff80200000  2448f20 kernel
> 2    1 0xffffffff82649000   3a99a8 zfs.ko
> 3    2 0xffffffff829f3000     a5b8 opensolaris.ko
> 4    1 0xffffffff82d73000    16060 if_lagg.ko
> 5    1 0xffffffff83111000     494c linprocfs.ko
> 6    4 0xffffffff83116000     31a8 linux_common.ko
> 7    1 0xffffffff8311a000     1eae linsysfs.ko
> 8    1 0xffffffff8311c000     88d8 tmpfs.ko
> 9    1 0xffffffff83125000     1aa0 fdescfs.ko
> 10    3 0xffffffff83127000    52a08 vboxdrv.ko
> 11    1 0xffffffff8317a000     fcf0 fuse.ko
> 12    1 0xffffffff8318a000      b98 coretemp.ko
> 13    1 0xffffffff8318b000   12ccb0 i915kms.ko
> 14    1 0xffffffff832b8000    76570 drm.ko
> 15    4 0xffffffff8332f000    10eb0 linuxkpi.ko
> 16    3 0xffffffff83340000    12f30 linuxkpi_gplv2.ko
> 17    2 0xffffffff83353000      6d0 debugfs.ko
> 18    1 0xffffffff83354000    25968 ipfw.ko
> 19    2 0xffffffff8337a000     2ce0 vboxnetflt.ko
> 20    2 0xffffffff8337d000     9e30 netgraph.ko
> 21    1 0xffffffff83387000     1710 ng_ether.ko
> 22    1 0xffffffff83389000     3f30 vboxnetadp.ko
> 23    1 0xffffffff8338d000    3df90 linux.ko
> 24    1 0xffffffff833cb000    35b50 linux64.ko
> 25    1 0xffffffff83401000      acf mac_ntpd.ko


Thanks.

If symptoms recur, you might try:

kld_list="vboxdrv fuse coretemp drm"

– and find that i915kms loads automatically, but not so soon.

Context and links: <https://lists.freebsd.org/pipermail/freebsd-questions/2020-November/292241.html>;




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