[Intel-gfx] intel_dp_sync_state+oxeo/oxfo boot failures after 5.15-rc3
Satadru Pramanik
satadru at gmail.com
Tue Oct 26 16:57:11 UTC 2021
That appears to do the trick.
Ubuntu's 5.15.0-051500rc6drmtip20211026-generic kernel boots successfully.
Thanks,
Satadru
On Tue, Oct 26, 2021 at 12:41 PM Jani Nikula <jani.nikula at linux.intel.com>
wrote:
> On Tue, 26 Oct 2021, Satadru Pramanik <satadru at gmail.com> wrote:
> > I have a MacBookPro6,2 that I'm running the mainline 5.15-rc3 ubuntu
> kernel
> > on successfully. I installed the 5.15-rc5 kernel
> > <https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.15-rc5/amd64/> (the
> > 5.15-rc4 didn't build) and the system wouldn't boot, erroring out with
> the
> > error below. I also see the same issues using the ubuntu mainline build
> of
> > 5.15-rc6 and 5.15-rc7.
>
> Thanks for the report, should be fixed by commit
>
> 4ec5ffc341ce ("drm/i915/dp: Skip the HW readout of DPCD on disabled
> encoders")
>
> in drm-intel-next and should hopefully make it to v5.15 final.
>
> BR,
> Jani.
>
>
> >
> > This is copied from a picture I took of the error screen where the boot
> > halts:
> >
> > [ 2.554921] RDX: 0000000000000000 RSI: 0000560e0c741670 RDI:
> > 0000000000000015
> > [ 2.554925] RBP: 0000000000020000 ROB: 0000000000000000 R09:
> > 0000000000000000
> > [ 2.554928] R10: 0000000000000015 R11: 0000000000000246 R12:
> > 0000560e0c741670
> > [ 2.554931] R13: 0000560e0c74b980 R14: 0000000000000000 R15:
> > 0000560e0c7362c0
> > [ 2.554936] Modules linked in: hid_appleir (+) hid_apple i915(+)
> > 12c_algo_bitm hid_generic.drm_kms_helper syscopyarea sysfillrect wl (POE)
> > sysimgblt uas crc e_pclmul fb_sys_fops firewire_ohci usb_storage cec
> usbhid
> > firewire_core hid crc tu_t rc_core cfg80211 ahci 12c_1801 libahci
> i2c_smbus
> > tg3 1pc_ich drm apple_gm video apple_bl
> > [ 2.554967] [ end trace a9fec12cca81a98e ]---
> > [ 2.554970] RIP: 0010: intel_dp_sync_state+oxeo/oxfo, [1915]
> > [ 2.555098] Code: 85 69 ff ff ff 48 8b 9f 70 01:00 00 80 bb 83 01 00 00
> 00
> > of
> > 85 64 ff ff ff 48 8d bb 70 01 00 00 e8 f5 cb ff ff e9 53 ff ff ff <0f> ob
> > 66 66
> > 2e of if 84 00 00 00 00 00 0f 1f 00 of 1f 44 00 00 55
> > [ 2.555104] RSP: 0018:ffffae12c06ef898 EFLAGS: 00010282
> > [ 2.555108] RAX: ffffffffffffffff RBX: ffff99b099034000
> > ROX: ffff99b097bc03e0
> > [ 2.555112] RDX: 0000000000000000 RSI: 0000000000000000 RDI:
> > ffff99b0990341b6
> > [ 2.555115] RBP: ffffae12c06ef8b8 R08: 00000000ffffff92 R09:
> > ffffffffc0c9cb2c
> > [ 2.555119] R10: 0000000000000008 R11: ffff99b099034e08 R12:
> > 0000000000000000
> > [ 2.555122] R13: 0000000000000000 R14: 0000000000000004 R15:
> > ffff99b099034000
> > [ 2.555125] FS: 00007fd7808a08c0 (0000) GS:ffff99b1c7c80000 (0000)
> > knlGS:00000
> > 00000000000
> > [ 2.555130] CS: 0010 DS: 0000 ES: 0000 CRO: 0000000080050033
> > [ 2.555133] CR2: 0000560e0c7395b8 CR3: 0000000100d02000 CR4:
> > 00000000000006e0
> > [ 2.555244] Console: switching to colour frame buffer device 210x65
>
> --
> Jani Nikula, Intel Open Source Graphics Center
>
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