Re: [GIT PULL] virtio: fatures, fixes

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Hi,

On 2022-08-13 20:52:39 -0700, Andres Freund wrote:
> Is there specific information you'd like from the VM? I just recreated the
> problem and can extract.

Actually, after reproducing I seem to now hit a likely different issue. I
guess I should have checked exactly the revision I had a problem with earlier,
rather than doing a git pull (up to aea23e7c464b)

[    0.727199] scsi host0: Virtio SCSI HBA
[    0.732257] scsi 0:0:1:0: Direct-Access     Google   PersistentDisk   1    PQ: 0 ANSI: 6
[    0.736259] Freeing initrd memory: 7236K
[    0.741743] sd 0:0:1:0: Attached scsi generic sg0 type 0
[    0.742569] sd 0:0:1:0: [sda] 52428800 512-byte logical blocks: (26.8 GB/25.0 GiB)
[    0.742628] tun: Universal TUN/TAP device driver, 1.6
[    0.743730] sd 0:0:1:0: [sda] 4096-byte physical blocks
[    0.748026] sd 0:0:1:0: [sda] Write Protect is off
[    0.750684] sd 0:0:1:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[    0.795519] BUG: unable to handle page fault for address: ffffa3107bd80008
[    0.795753] sky2: driver version 1.30
[    0.796500] #PF: supervisor read access in kernel mode
[    0.797252] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[    0.796500] #PF: error_code(0x0000) - not-present page
[    0.796500] PGD 100001067 P4D 100001067 PUD 0
[    0.796500] Oops: 0000 [#1] PREEMPT SMP PTI
[    0.796500] CPU: 3 PID: 0 Comm: swapper/3 Not tainted 5.19.0-origin-14013-gaea23e7c464b #2
[    0.798728] ehci-pci: EHCI PCI platform driver
[    0.796500] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[    0.800112] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
[    0.796500] RIP: 0010:kmem_cache_free+0x155/0x3e0
[    0.801875] ohci-pci: OHCI PCI platform driver
[    0.796500] Code: 02 00 00 65 48 ff 08 e8 e9 cd e6 ff 66 90 8b 45 28 48 c7 04 03 00 00 00 00 48 85 db 74 38 48 8b 45 00 65 48 03 05 fb 13 34 6d <48> 8b 50 08 4c 39 60 10 0f 85 da 01 00 00 8b 4d 28 48 8b 00 48 89
[    0.803798] uhci_hcd: USB Universal Host Controller Interface driver
[    0.796500] RSP: 0000:ffffa29cc0134e80 EFLAGS: 00010286
[    0.805319] RAX: ffffa3107bd80000 RBX: ffff998840b253c0 RCX: ffff029c00000000
[    0.805319] RDX: 0000000000000000 RSI: ffffc8f280000000 RDI: ffff998840ab2300
[    0.805319] RBP: ffff998840ab2300 R08: fffffffffff0bddf R09: 0000000000000008
[    0.805319] R10: ffffffff93e060c0 R11: ffffa29cc0134ff8 R12: ffffc8f28402c940
[    0.805319] R13: ffffffff92f17edd R14: 0000000000001000 R15: 0000000000001000
[    0.805319] FS:  0000000000000000(0000) GS:ffff99887bd80000(0000) knlGS:0000000000000000
[    0.805319] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    0.805319] CR2: ffffa3107bd80008 CR3: 000000002720c001 CR4: 00000000003706e0
[    0.805319] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[    0.805319] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[    0.805319] Call Trace:
[    0.805319]  <IRQ>
[    0.805319]  blk_update_request+0xfd/0x3d0
[    0.805319]  ? detach_buf_split+0x6a/0x150
[    0.805319]  scsi_end_request+0x22/0x1b0
[    0.805319]  scsi_io_completion+0x3c/0x750
[    0.805319]  blk_complete_reqs+0x38/0x50
[    0.805319]  __do_softirq+0xe1/0x2ed
[    0.805319]  ? handle_edge_irq+0x9a/0x230
[    0.805319]  __irq_exit_rcu+0xa6/0x100
[    0.805319]  common_interrupt+0xa5/0xc0
[    0.805319]  </IRQ>
[    0.805319]  <TASK>
[    0.805319]  asm_common_interrupt+0x22/0x40
[    0.805319] RIP: 0010:acpi_idle_do_entry+0x46/0x60
[    0.805319] Code: 75 08 48 8b 15 2f 1a 19 01 ed c3 cc cc cc cc 65 48 8b 04 25 00 ad 01 00 48 8b 00 a8 08 75 eb 66 90 0f 00 2d 9c 0d 5b 00 fb f4 <fa> c3 cc cc cc cc e9 2f fd ff ff 66 66 2e 0f 1f 84 00 00 00 00 00
[    0.805319] RSP: 0000:ffffa29cc00a7e68 EFLAGS: 00000246
[    0.805319] RAX: 0000000000004000 RBX: 0000000000000001 RCX: 000000000000098d
[    0.805319] RDX: ffff99887bd80000 RSI: ffff998840b2c000 RDI: ffff998840b2c064
[    0.805319] RBP: ffff998841a2a400 R08: fffffffffff0be0e R09: 0000000157c1aaba
[    0.805319] R10: 0000000000000018 R11: 0000000000000c27 R12: ffffffff93fc46a0
[    0.805319] R13: ffff998840b2c064 R14: 0000000000000001 R15: 0000000000000000
[    0.805319]  acpi_idle_enter+0x9f/0x100
[    0.805319]  cpuidle_enter_state+0x84/0x400
[    0.805319]  cpuidle_enter+0x24/0x40
[    0.805319]  do_idle+0x1df/0x260
[    0.805319]  cpu_startup_entry+0x14/0x20
[    0.805319]  start_secondary+0xe8/0xf0
[    0.805319]  secondary_startup_64_no_verify+0xe0/0xeb
[    0.805319]  </TASK>
[    0.805319] Modules linked in:
[    0.805319] CR2: ffffa3107bd80008
[    0.805319] ---[ end trace 0000000000000000 ]---

Regards,

Andres
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