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authorChristian Krinitsin <mail@krinitsin.com>2025-07-03 07:27:52 +0000
committerChristian Krinitsin <mail@krinitsin.com>2025-07-03 07:27:52 +0000
commitd0c85e36e4de67af628d54e9ab577cc3fad7796a (patch)
treef8f784b0f04343b90516a338d6df81df3a85dfa2 /results/classifier/gemma3:12b/device/1979
parent7f4364274750eb8cb39a3e7493132fca1c01232e (diff)
downloademulator-bug-study-d0c85e36e4de67af628d54e9ab577cc3fad7796a.tar.gz
emulator-bug-study-d0c85e36e4de67af628d54e9ab577cc3fad7796a.zip
add deepseek and gemma results
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+
+pc-q35-7.2 breaks the pcie hot plugin
+Description of problem:
+the new pc-q35 version >6.0 break the pcie hot plug feature
+if I use 5.2, 6.0, it works fine. `dmesg | grep pcieport` shows that:
+there is pciehp which provide functionality of hot plug for PCIE device
+```
+[test@localhost ~]$ dmesg | grep pcieport
+[ 1.161129] pcieport 0000:00:02.0: PME: Signaling with IRQ 24
+[ 1.162254] pcieport 0000:00:02.0: AER: enabled with IRQ 24
+[ 1.163218] pcieport 0000:00:02.0: pciehp: Slot #0 AttnBtn+ PwrCtrl+ MRL- AttnInd+ PwrInd+ HotPlug+ Surprise+ Interlock+ NoCompl- IbPresDis- LLActRep+
+```
+
+if I switch to 6.1, 6.2, 7.0, 7.1 ,7.2, the pciehp does not show any control slot.
+```
+[test@localhost ~]$ dmesg | grep pcieport
+[ 1.164311] pcieport 0000:00:02.0: PME: Signaling with IRQ 24
+[ 1.165446] pcieport 0000:00:02.0: AER: enabled with IRQ 24
+```
+Steps to reproduce:
+1. run the qemu command as I produced
+2. connect to console
+3. run `dmesg | grep pcieport`
+4. you can try to plug in a GPU or something else, the device initialization will fail because there is no pciehp slow to power it on, normall you will see something like following, with >6.0 you cannot see them:
+ ```
+ pciehp: Slot(0-8): Attention button pressed
+ pciehp: Slot(0-8) Powering on due to button press
+ pciehp: Slot(0-8): Card present
+ pciehp: Slot(0-8): Link Up
+ ```
+Additional information:
+