[Bug 1944541] Re: tvservice fails

[Juerg Haefliger]

After testing various kernels (including the raspberrypi kernel) and FW
versions, I'm fairly certain that it's a problem with our outdated
raspberrypi userland packages. So I'm reassigning the ticket...

** Also affects: raspberrypi-userland (Ubuntu)
   Importance: Undecided
       Status: New

** Changed in: linux-raspi (Ubuntu Focal)
       Status: New => Invalid

** Changed in: linux-raspi (Ubuntu Hirsute)
       Status: New => Invalid

** Changed in: linux-raspi (Ubuntu Impish)
       Status: New => Invalid

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Title:
  tvservice fails

Status in linux-raspi package in Ubuntu:
  Invalid
Status in raspberrypi-userland package in Ubuntu:
  New
Status in linux-raspi source package in Focal:
  Invalid
Status in raspberrypi-userland source package in Focal:
  New
Status in linux-raspi source package in Hirsute:
  Invalid
Status in raspberrypi-userland source package in Hirsute:
  New
Status in linux-raspi source package in Impish:
  Invalid
Status in raspberrypi-userland source package in Impish:
  New

Bug description:
  $ sudo tvservice -s
  vchi_msg_dequeue -> -1(90)
  state 0x1 [TV is off]

  yields:

  [   39.097720] vchiq: header ffff8000110d0f68: bufsize 10 < size 34
  [   39.103958] ------------[ cut here ]------------
  [   39.108725] invalid size
  [   39.111398] WARNING: CPU: 2 PID: 2233 at drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:952 vchiq_ioc_dequeue_message+0x180/0x2c0
  [   39.124567] Modules linked in: cmac algif_hash algif_skcipher af_alg bnep hci_uart btqca btrtl btbcm btintel dm_multipath scsi_dh_rdac scsi_dh_emc scsi_dh_alua btsdio bluetooth ecdh_generic bcm2835_codec(CE) ecc bcm2835_v4l2(CE) brcmfmac bcm2835_isp(CE) bcm2835_mmal_vchiq(CE) brcmutil v4l2_mem2mem snd_bcm2835(CE) videobuf2_vmalloc videobuf2_dma_contig cfg80211 videobuf2_memops snd_pcm videobuf2_v4l2 videobuf2_common snd_timer videodev raspberrypi_hwmon snd bcm2835_gpiomem vc_sm_cma(CE) mc rpivid_mem uio_pdrv_genirq uio nvmem_rmem sch_fq_codel drm ip_tables x_tables autofs4 btrfs blake2b_generic raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor xor_neon raid6_pq libcrc32c raid1 raid0 multipath linear dwc2 crct10dif_ce spidev roles udc_core xhci_pci xhci_pci_renesas phy_generic aes_arm64
  [   39.197843] CPU: 2 PID: 2233 Comm: tvservice Tainted: G         C  E     5.11.0-1009-raspi #10+21.10.1-Ubuntu
  [   39.207903] Hardware name: Raspberry Pi 4 Model B Rev 1.2 (DT)
  [   39.213817] pstate: 60400005 (nZCv daif +PAN -UAO -TCO BTYPE=--)
  [   39.219909] pc : vchiq_ioc_dequeue_message+0x180/0x2c0
  [   39.225125] lr : vchiq_ioc_dequeue_message+0x180/0x2c0
  [   39.230334] sp : ffff800010e53c70
  [   39.233690] x29: ffff800010e53c70 x28: ffff46e3ce150f80 
  [   39.239079] x27: 0000000000000000 x26: 0000000000000000 
  [   39.244467] x25: 0000000000000000 x24: ffff8000110d0f68 
  [   39.249855] x23: ffff8000110cd194 x22: ffff800010e53d48 
  [   39.255243] x21: 0000000000000034 x20: ffff46e3c516e800 
  [   39.260632] x19: ffff46e3c516f800 x18: 0000000000000030 
  [   39.266019] x17: 0000000000000000 x16: 0000000000000000 
  [   39.271406] x15: ffffffffffffffff x14: ffff800090e53957 
  [   39.276793] x13: 0000000000000006 x12: ffff80001002d000 
  [   39.282181] x11: ffffad7c14e60f70 x10: 0000000000000b10 
  [   39.287569] x9 : ffffad7c1400e418 x8 : ffff46e3ce151af0 
  [   39.292957] x7 : 000000000000035f x6 : ffffad7c1548e000 
  [   39.298345] x5 : 0000000000000000 x4 : ffff46e47b7bc948 
  [   39.303731] x3 : ffff46e47b7cccf0 x2 : 0000000000000000 
  [   39.309118] x1 : 0000000000000000 x0 : ffff46e3ce150f80 
  [   39.314506] Call trace:
  [   39.316981]  vchiq_ioc_dequeue_message+0x180/0x2c0
  [   39.321841]  vchiq_ioctl+0x7f4/0xdac
  [   39.325464]  __arm64_sys_ioctl+0xb4/0x100
  [   39.329530]  el0_svc_common.constprop.0+0x88/0x220
  [   39.334392]  do_el0_svc+0x30/0xa0
  [   39.337750]  el0_svc+0x28/0x70
  [   39.340846]  el0_sync_handler+0x1a4/0x1b0
  [   39.344910]  el0_sync+0x17c/0x180
  [   39.348268] ---[ end trace b26bb2281d792cc5 ]---

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