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authorChristian Krinitsin <mail@krinitsin.com>2025-07-03 16:27:09 +0000
committerChristian Krinitsin <mail@krinitsin.com>2025-07-03 16:27:09 +0000
commit4d9e26c0333abd39bdbd039dcdb30ed429c475ba (patch)
tree4010d5fb3e8bc48c110a2c1ff2a16b8648cb86bb /results/classifier/accel-gemma3:12b/kvm/1873
parent5541099586dbd6018574cb44e1934907c121526f (diff)
downloademulator-bug-study-4d9e26c0333abd39bdbd039dcdb30ed429c475ba.tar.gz
emulator-bug-study-4d9e26c0333abd39bdbd039dcdb30ed429c475ba.zip
add gemma accelerator classification results
Diffstat (limited to 'results/classifier/accel-gemma3:12b/kvm/1873')
-rw-r--r--results/classifier/accel-gemma3:12b/kvm/187385
1 files changed, 85 insertions, 0 deletions
diff --git a/results/classifier/accel-gemma3:12b/kvm/1873 b/results/classifier/accel-gemma3:12b/kvm/1873
new file mode 100644
index 00000000..2d31c5be
--- /dev/null
+++ b/results/classifier/accel-gemma3:12b/kvm/1873
@@ -0,0 +1,85 @@
+
+igb driver failed to change MTU
+Description of problem:
+I am using the new IGB model to test sriov inside a virtual machine.
+
+and when the operator tries to configure MTU of 9000 on the VF I get a kernel crash and the node goes into reboot
+
+```
+virsh console virt-cluster-worker-0
+Connected to domain 'virt-cluster-worker-0'
+Escape character is ^] (Ctrl + ])
+[  486.776188] kernel BUG at include/linux/skbuff.h:2420!
+[  486.779661] invalid opcode: 0000 [#1] PREEMPT SMP NOPTI
+[  486.781938] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.14.0-284.16.1.el9_2.x86_64 #1
+[  486.783847] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.16.2-0-gea1b7a073390-prebuilt.qemu.org 04/01/2014
+[  486.785681] RIP: 0010:eth_type_trans+0xd3/0x140
+[  486.787051] Code: 80 00 00 00 eb c1 8b 47 70 2b 47 74 48 8b 97 c8 00 00 00 83 f8 01 7e 1b 48 85 d2 74 06 66 83 3a ff 74 09 b8 00 04 00 00 eb a5 <0f> 0b b8 00 01 00 00 eb 9c 48 85 ff 74 eb 31 f6 b9 02 00 00 00 48
+[  486.790542] RSP: 0018:ffffaef200114e30 EFLAGS: 00010283
+[  486.791726] RAX: 000000000000002e RBX: ffffaef206a38000 RCX: 0000000000000028
+[  486.793086] RDX: ffff90bb7767a840 RSI: ffff90bc7d6a0000 RDI: ffff90bb413bc600
+[  486.794430] RBP: ffff90bb413bc600 R08: 0000000000000000 R09: ffff90bc7d6a0980
+[  486.795779] R10: 000000000000003c R11: 00000001a8be8000 R12: 0000000000000001
+[  486.797132] R13: 0000000000000003 R14: ffff90bd3b94e400 R15: ffff90bdcbc8c000
+[  486.798499] FS:  0000000000000000(0000) GS:ffff90beafc40000(0000) knlGS:0000000000000000
+[  486.800325] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
+[  486.801520] CR2: 00007faf740ec058 CR3: 000000010a40c004 CR4: 0000000000770ee0
+[  486.802856] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
+[  486.804171] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
+[  486.805459] PKRU: 55555554
+[  486.806291] Call Trace:
+[  486.807083]  <IRQ>
+[  486.807822]  igbvf_clean_rx_irq.constprop.0.isra.0+0x1b4/0x600 [igbvf]
+[  486.809027]  igbvf_poll+0x3d/0x210 [igbvf]
+[  486.809981]  __napi_poll+0x27/0x170
+[  486.810886]  net_rx_action+0x233/0x2f0
+[  486.811777]  __do_softirq+0xc7/0x2ac
+[  486.812644]  __irq_exit_rcu+0xb5/0xe0
+[  486.813515]  common_interrupt+0x80/0xa0
+[  486.814404]  </IRQ>
+[  486.815113]  <TASK>
+[  486.815800]  asm_common_interrupt+0x22/0x40
+[  486.816710] RIP: 0010:default_idle+0x10/0x20
+[  486.817631] Code: cc 0f ae f0 0f ae 38 0f ae f0 eb b5 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 0f 1f 44 00 00 66 90 0f 00 2d 7e 3e 4d 00 fb f4 <c3> cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 0f 1f 44 00 00 65
+[  486.820523] RSP: 0018:ffffaef2000afed0 EFLAGS: 00000246
+[  486.821705] RAX: ffffffff99f36ea0 RBX: ffff90bb4032a300 RCX: ffff90bd581f2430
+[  486.822936] RDX: 000000000013bd13 RSI: 0000000000000001 RDI: 000000000013bd14
+[  486.824165] RBP: 0000000000000000 R08: 0000007155e9e493 R09: ffff90bb437f4800
+[  486.825374] R10: 0000000000000232 R11: 0000000000000000 R12: 0000000000000000
+[  486.826581] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
+[  486.827777]  ? mwait_idle+0x80/0x80
+[  486.828593]  default_idle_call+0x33/0xe0
+[  486.829479]  cpuidle_idle_call+0x15d/0x1c0
+[  486.830381]  ? kvm_sched_clock_read+0x14/0x40
+[  486.831289]  do_idle+0x7b/0xe0
+[  486.832035]  cpu_startup_entry+0x19/0x20
+[  486.833076]  start_secondary+0x116/0x140
+[  486.834527]  secondary_startup_64_no_verify+0xe5/0xeb
+[  486.835953]  </TASK>
+[  486.836991] Modules linked in: igbvf veth ipt_REJECT nf_reject_ipv4 xt_nat xt_CT vhost_net vhost vhost_iotlb tap tun nf_conntrack_netlink tls xt_MASQUERADE nft_chain_nat xt_mark xt_conntrack xt_comment nft_compat nft_counter nf_tables rfkill geneve ip6_udp_tunnel udp_tunnel nfnetlink_cttimeout nfnetlink openvswitch nf_conncount nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 overlay ext4 mbcache jbd2 intel_rapl_msr intel_rapl_common isst_if_common nfit libnvdimm kvm_intel kvm irqbypass rapl iTCO_wdt iTCO_vendor_support cirrus drm_shmem_helper drm_kms_helper pcspkr i2c_i801 syscopyarea sysfillrect i2c_smbus sysimgblt virtio_balloon lpc_ich fb_sys_fops joydev ip_tables drm xfs libcrc32c dm_multipath sr_mod cdrom sg igb nvme_tcp ahci nvme_fabrics nvme libahci nvme_core virtio_net crct10dif_pclmul libata i2c_algo_bit crc32_pclmul dca virtio_console net_failover nvme_common virtio_blk t10_pi crc32c_intel failover ghash_clmulni_intel serio_raw dm_mirror dm_region_hash dm_log dm_mod fuse
+[  486.852907] ---[ end trace d1f9cdb1a6c92411 ]---
+[  486.854263] RIP: 0010:eth_type_trans+0xd3/0x140
+[  486.855234] Code: 80 00 00 00 eb c1 8b 47 70 2b 47 74 48 8b 97 c8 00 00 00 83 f8 01 7e 1b 48 85 d2 74 06 66 83 3a ff 74 09 b8 00 04 00 00 eb a5 <0f> 0b b8 00 01 00 00 eb 9c 48 85 ff 74 eb 31 f6 b9 02 00 00 00 48
+[  486.858732] RSP: 0018:ffffaef200114e30 EFLAGS: 00010283
+[  486.859777] RAX: 000000000000002e RBX: ffffaef206a38000 RCX: 0000000000000028
+[  486.861020] RDX: ffff90bb7767a840 RSI: ffff90bc7d6a0000 RDI: ffff90bb413bc600
+[  486.862238] RBP: ffff90bb413bc600 R08: 0000000000000000 R09: ffff90bc7d6a0980
+[  486.863478] R10: 000000000000003c R11: 00000001a8be8000 R12: 0000000000000001
+[  486.864718] R13: 0000000000000003 R14: ffff90bd3b94e400 R15: ffff90bdcbc8c000
+[  486.865969] FS:  0000000000000000(0000) GS:ffff90beafc40000(0000) knlGS:0000000000000000
+[  486.867317] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
+[  486.868458] CR2: 00007faf740ec058 CR3: 000000010a40c004 CR4: 0000000000770ee0
+[  486.869705] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
+[  486.870959] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
+[  486.872212] PKRU: 55555554
+[  486.873040] Kernel panic - not syncing: Fatal exception in interrupt
+[  486.875441] Kernel Offset: 0x18400000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
+[  486.877044] Rebooting in 10 seconds..
+```
+Steps to reproduce:
+1. create a vm using igb driver for the network interface
+2. change the MTU of the PF to 9000
+3. allocate virtual functions
+4. change the MTU on the virtual function (vm crash)
+Additional information:
+