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--- linux:ubuntu:troubleshooting [2017/06/01 16:38] – lunetikk
+++ linux:ubuntu:troubleshooting [2025/01/26 22:50] (current) – lunetikk
@@ Line 10: / Line 10: @@
 E: Sub-process /usr/bin/dpkg returned an error code (2)
 E: Failed to write temporary StateFile /var/lib/apt/extended_states.tmp
-</code>
-or
-<code>
-Reading package lists... Done
-W: Ignoring Provides line with DepCompareOp for package python-cffi-backend-api-max
-W: Ignoring Provides line with DepCompareOp for package python-cffi-backend-api-min
-W: Ignoring Provides line with DepCompareOp for package python3-cffi-backend-api-max
-W: Ignoring Provides line with DepCompareOp for package python3-cffi-backend-api-min
-W: Ignoring Provides line with DepCompareOp for package python-cffi-backend-api-max
-W: Ignoring Provides line with DepCompareOp for package python-cffi-backend-api-min
-W: Ignoring Provides line with DepCompareOp for package python3-cffi-backend-api-max
-W: Ignoring Provides line with DepCompareOp for package python3-cffi-backend-api-min
-W: You may want to run apt-get update to correct these problems
 </code>
 or
@@ Line 48: / Line 35: @@
 /dev/sda1                184M   39M  136M  23% /boot
 /dev/mapper/system-home  4.5G  373M  3.9G   9% /home
-**/dev/mapper/system-var   4.5G  3.1G  1.3G  72% /var**
+/dev/mapper/system-var   4.5G  3.1G  1.3G  72% /var
 /dev/mapper/system-usr   9.1G  1.5G  7.1G  18% /usr
 </code>
@@ Line 65: / Line 52: @@
 /dev/mapper/system-home 305216   9542 295674    4% /home
 /dev/sda1                48768    299  48469    1% /boot
-**/dev/mapper/system-var  305216 305216      0  100% /var**
+/dev/mapper/system-var  305216 305216      0  100% /var
 /dev/mapper/system-usr  610800  80660 530140   14% /usr
 </code>
@@ Line 78: / Line 65: @@
 cd /var/bla
 for i in * ; do rm $i ; done
+</code>
+if too many
+<code>
+mkdir empty_dir
+rsync -a --delete empty_dir/ yourdirectory/
 </code>
@@ Line 83: / Line 76: @@
 In my case 296093 files in "/var/spool/icinga2/perfdata/"
+===== USB devices are dead =====
+==== Errormessage ====
+dmesg shows some like this
+<code>
+[48339.446016] xhci_hcd 0000:04:00.3: AMD-Vi: Event logged [IO_PAGE_FAULT domain=0x0011 address=0xfe0a1000 flags=0x0000]
+[48374.915331] xhci_hcd 0000:04:00.3: xHCI host not responding to stop endpoint command
+[48374.915341] xhci_hcd 0000:04:00.3: xHCI host controller not responding, assume dead
+[48374.915367] xhci_hcd 0000:04:00.3: HC died; cleaning up
+[48374.915404] usb 1-1: USB disconnect, device number 2
+[48374.915407] usb 1-1.5: USB disconnect, device number 5
+[48374.915940] usb 2-1: USB disconnect, device number 2
+[48374.915945] usb 2-1.3: USB disconnect, device number 3
+[48374.916232] usb 1-2: USB disconnect, device number 3
+</code>
+==== Solution ====
+Reboot your system or restart xhci_hcd
+<code>
+#insert your device after echo -n
+echo -n "0000:00:14.0" | tee /sys/bus/pci/drivers/xhci_hcd/unbind
+sleep 5
+echo -n "0000:00:14.0" | tee /sys/bus/pci/drivers/xhci_hcd/bind
+</code>
+==== Cause ====
+I wish I knew...

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