Watching Spotify and listening to Netflix in 2023

elgrande said:
Code: 
root@elfreebsdo1:~ # ps auxww | grep fcdm
root       2738    0.0  0.0      12836   2340  -  D    14:07     0:00.94 fcdm-jail 16
root       2833    0.0  0.0      12796   2460  1  S+   14:35     0:00.00 grep fcdm
root@elfreebsdo1:~ #
Click to expand...
If you exit the browser is the process still there?
 
shkhln said:
sudo procstat fd 2738?
Click to expand...
Code: 
root@elfreebsdo1:~ # procstat fd 2738
  PID COMM                FD T V FLAGS    REF  OFFSET PRO NAME
 2738 fcdm-jail         text v r r-------   -       - -   /usr/local/libexec/fcdm-jail
 2738 fcdm-jail          cwd v d r-------   -       - -   /usr/home/elgrande/.fcdm-jail
 2738 fcdm-jail         root v d r-------   -       - -   /
 2738 fcdm-jail            0 v c r-------   1       0 -   /dev/null
 2738 fcdm-jail            1 v c rw------  18   10511 -   /dev/ttyv0
 2738 fcdm-jail            2 v c rw------  18   10511 -   /dev/ttyv0
 2738 fcdm-jail            3 v r r-------   1       0 -   /usr/local/share/chromium/chrome_100_percent.pak
 2738 fcdm-jail            4 v r r-------   1       0 -   /usr/local/share/chromium/chrome_200_percent.pak
 2738 fcdm-jail            5 s - rw---n--   1       0 UDS 0 0 -
 2738 fcdm-jail            6 v r r------l   1       0 -   /usr/home/elgrande/.fcdm-lock
 2738 fcdm-jail            7 v r r-------   1       0 -   /usr/local/share/chromium/locales/de.pak
 2738 fcdm-jail            8 v r r-------   1       0 -   /usr/local/share/chromium/resources.pak
 2738 fcdm-jail           11 s - rw------   1       0 UDS 0 0 -
 2738 fcdm-jail           16 s - rw---n--   1       0 UDS 0 0 -
 2738 fcdm-jail          103 v r r-------   1       0 -   /usr/local/share/chromium/v8_context_snapshot.bin
root@elfreebsdo1:~ #
 
shkhln said:
sudo fstat /usr/home/elgrande/.fcdm-jail?
Click to expand...
Code: 
root@elfreebsdo1:~ # fstat /usr/home/elgrande/.fcdm-jail
USER     CMD          PID   FD MOUNT      INUM MODE         SZ|DV R/W NAME
root     fcdm-jail   2738   wd /usr/home/elgrande/.fcdm-jail      2 dr-xr-xr-x     640  r  /usr/home/elgrande/.fcdm-jail
root@elfreebsdo1:~ #
 
Note: After closing and reopening Chromium, I now have 2 jail processes:
Code: 
root@elfreebsdo1:~ # ps auxww | grep fcdm
root       2738    0.0  0.0      12836   2340  -  D    14:07      0:03.82 fcdm-jail 16
root       3119    0.0  0.0      12836   2320  0  I    15:07      0:00.00 fcdm-jail 16
root       3283    0.0  0.0      12796   2452  1  S+   15:55      0:00.00 grep fcdm
root@elfreebsdo1:~ #
 
shkhln said:
sudo procstat kstack 2738?

Also sudo lldb -p 2738, then bt, up, di.
Click to expand...
Code: 
root@elfreebsdo1:~ # procstat kstack 2738
  PID    TID COMM                TDNAME              KSTACK
 2738 100646 fcdm-jail           -                   mi_switch sleepq_timedwait _sleep pause_sbt vn_lock_pair vfs_domount_first vfs_domount vfs_donmount sys_nmount amd64_syscall fast_syscall_common
root@elfreebsdo1:~ #

lldb seems to hang on trying to attach:
Code: 
root@elfreebsdo1:~ # lldb -p 2738
(lldb) process attach --pid 2738
 
shkhln said:
Did not expect it hang on nmount. What does mount print?
Click to expand...
Code: 
root@elfreebsdo1:~ # mount
root on / (zfs, local, nfsv4acls)
devfs on /dev (devfs)
/dev/diskid/DISK-S69ENF0R212341Fp1 on /boot/efi (msdosfs, local)
tmpfs on /var/run (tmpfs, local)
fdescfs on /dev/fd (fdescfs)
procfs on /proc (procfs, local)
linprocfs on /compat/linux/proc (linprocfs, local)
linsysfs on /compat/linux/sys (linsysfs, local)
devfs on /compat/linux/dev (devfs)
fdescfs on /compat/linux/dev/fd (fdescfs)
tmpfs on /compat/linux/dev/shm (tmpfs, local)
tmpfs on /usr/home/elgrande/.fcdm-jail (tmpfs, local, read-only)
/compat/linux/bin on /usr/home/elgrande/.fcdm-jail/bin (nullfs, local, nosuid, read-only, nfsv4acls)
/compat/linux/etc on /usr/home/elgrande/.fcdm-jail/etc (nullfs, local, nosuid, read-only, nfsv4acls)
/compat/linux/lib on /usr/home/elgrande/.fcdm-jail/lib (nullfs, local, nosuid, read-only, nfsv4acls)
/compat/linux/lib64 on /usr/home/elgrande/.fcdm-jail/lib64 (nullfs, local, nosuid, read-only, nfsv4acls)
/compat/linux/usr on /usr/home/elgrande/.fcdm-jail/usr (nullfs, local, nosuid, read-only, nfsv4acls)
devfs on /usr/home/elgrande/.fcdm-jail/dev (devfs)
linprocfs on /usr/home/elgrande/.fcdm-jail/proc (linprocfs, local)
linsysfs on /usr/home/elgrande/.fcdm-jail/sys (linsysfs, local)
/usr/local/lib/WidevineCdm/_platform_specific/linux_x64/libwidevinecdm.so on /usr/home/elgrande/.fcdm-jail/opt/cdm.so (nullfs, local, nosuid, read-only, nfsv4acls)
/usr/local/libexec/fcdm-worker on /usr/home/elgrande/.fcdm-jail/opt/worker (nullfs, local, nosuid, read-only, nfsv4acls)
root@elfreebsdo1:~ #
 
You shouldn't, change it to some other file like
Code: 
xmount("nullfs", "/libexec/ld-elf.so.1", ".setup-done", 0);
Doesn't matter which file.
 
elgrande, would you mind running a few commands on your system? I'm still interested in reproducing the hang. From root:
Code: 
# mkdir file_mounts_test
# mount -t tmpfs tmpfs file_mounts_test
# cd file_mounts_test
# touch foo
# touch bar
# mount -t nullfs foo bar
# touch baz
# mount -t nullfs baz baz
 
shkhln said:
elgrande, would you mind running a few commands on your system? I'm still interested in reproducing the hang. From root:
Code: 
# mkdir file_mounts_test
# mount -t tmpfs tmpfs file_mounts_test
# cd file_mounts_test
# touch foo
# touch bar
# mount -t nullfs foo bar
# touch baz
# mount -t nullfs baz baz
Click to expand...
Done, does _not_ hang:
Code: 
root@elfreebsdo1:~ # mkdir file_mounts_test
root@elfreebsdo1:~ # mount -t tmpfs tmpfs file_mounts_test
root@elfreebsdo1:~ # cd file_mounts_test
root@elfreebsdo1:~/file_mounts_test # touch foo
root@elfreebsdo1:~/file_mounts_test # touch bar
root@elfreebsdo1:~/file_mounts_test # mount -t nullfs foo bar
root@elfreebsdo1:~/file_mounts_test # touch baz
root@elfreebsdo1:~/file_mounts_test # mount -t nullfs baz baz
root@elfreebsdo1:~/file_mounts_test #
 
shkhln said:
Some kind of problem with locking again? What sudo fstat /path/to/.fcdm-lock prints? (The file is either in XDG_RUNTIME_DIR or HOME.)
Click to expand...

So I still get the following when going to spotify web player in the terminal:

lib.cpp:620: info: GetCdmVersion
lib.cpp:562: info: started process; pid = 2661
Warning: Couldn't get proc vkCmdBeginDebugUtilsLabelEXT
at LoadInstanceProcs (../../third_party/dawn/src/dawn/native/vulkan/VulkanFunctions.cpp:126)
at Initialize (../../third_party/dawn/src/dawn/native/vulkan/BackendVk.cpp:347)
at Create (../../third_party/dawn/src/dawn/native/vulkan/BackendVk.cpp:266)
at operator() (../../third_party/dawn/src/dawn/native/vulkan/BackendVk.cpp:521)

But running fstat gives me this. I couldn't find .fcdm-lock file in my home directory. I am using Xorg so it should be in HOME but it is not. I found it in /var/run/user/1001/.fcdm-lock

sudo fstat /var/run/user/1001/.fcdm-lock  ✔  6s   11:44:28 
USER CMD PID FD MOUNT INUM MODE SZ|DV R/W NAME
root fcdm-jail 2661 6 / 14484512 -r--r--r-- 0 r /var/run/user/1001/.fcdm-lock

i have included this in my /etc/fstab:

devfs /compat/linux/dev devfs rw,late 0 0
tmpfs /compat/linux/dev/shm tmpfs rw,late,size=1g,mode=1777 0 0
fdescfs /compat/linux/dev/fd fdescfs rw,late,linrdlnk 0 0
linprocfs /compat/linux/proc linprocfs rw,late 0 0
linsysfs /compat/linux/sys linsysfs rw,late 0 0


Not sure what else to look at as spotify still refuses to play for me.
 
bsduser2112 said:
So I still get the following when going to spotify web player in the terminal:

lib.cpp:620: info: GetCdmVersion
lib.cpp:562: info: started process; pid = 2661
Warning: Couldn't get proc vkCmdBeginDebugUtilsLabelEXT
at LoadInstanceProcs (../../third_party/dawn/src/dawn/native/vulkan/VulkanFunctions.cpp:126)
at Initialize (../../third_party/dawn/src/dawn/native/vulkan/BackendVk.cpp:347)
at Create (../../third_party/dawn/src/dawn/native/vulkan/BackendVk.cpp:266)
at operator() (../../third_party/dawn/src/dawn/native/vulkan/BackendVk.cpp:521)

But running fstat gives me this. I couldn't find .fcdm-lock file in my home directory. I am using Xorg so it should be in HOME but it is not. I found it in /var/run/user/1001/.fcdm-lock

sudo fstat /var/run/user/1001/.fcdm-lock  ✔  6s   11:44:28 
USER CMD PID FD MOUNT INUM MODE SZ|DV R/W NAME
root fcdm-jail 2661 6 / 14484512 -r--r--r-- 0 r /var/run/user/1001/.fcdm-lock
Click to expand...
have you tried patching the source as described in the previous posts? that solved it for me.
 
elgrande said:
have you tried patching the source as described in the previous posts? that solved it for me.
Click to expand...
I will give it a try and report back I thought I had the latest sources using poudriere but will give it a shot.

After trying that, spotify still does not play for me.
 
After playing around for a bit and rebooting I now get the following in the terminal when i try going to the spotify web player:


lib.cpp:620: info: GetCdmVersion  ✔  39s   13:50:48 
lib.cpp:562: info: started process; pid = 94492
fcdm-jail: attach failed

The fcdm-jail process fails to attach for me and fstat shows no processes.

sudo fstat /var/run/user/1001/.fcdm-lock  ✔  6s   13:49:30 
USER CMD PID FD MOUNT INUM MODE SZ|DV R/W NAME
fstat: kinfo_getfile(): No such process
fstat: kinfo_getfile(): No such process
fstat: kinfo_getfile(): No such process
fstat: kinfo_getfile(): No such process
 
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