Hide Forgot
from dmesg after reboot on 4.8.0-0.rc4.git3.1.fc26.x86_64: [ 5.765565] ------------[ cut here ]------------ [ 5.765676] WARNING: CPU: 0 PID: 209 at drivers/gpu/drm/i915/intel_pm.c:7866 sandybridge_pcode_write+0x10f/0x1f0 [i915] [ 5.765738] Missing switch case (16) in gen6_check_mailbox_status [ 5.765741] Modules linked in: btrfs xor raid6_pq rtsx_pci_sdmmc mmc_core amdkfd amd_iommu_v2 crc32c_intel radeon i915 serio_raw r8169 i2c_algo_bit ttm drm_kms_helper mii rtsx_pci drm fjes video i2c_dev [ 5.765806] CPU: 0 PID: 209 Comm: kworker/0:2 Not tainted 4.8.0-0.rc4.git3.1.fc26.x86_64 #1 [ 5.765809] Hardware name: Sony Corporation VPCSB2M9E/VAIO, BIOS R2087H4 06/15/2012 [ 5.765885] Workqueue: events intel_gen6_powersave_work [i915] [ 5.765891] 0000000000000286 00000000c027e352 ffff8dbfce833c28 ffffffff88468ba3 [ 5.765900] ffff8dbfce833c78 0000000000000000 ffff8dbfce833c68 ffffffff880ae7ab [ 5.765908] 00001ebace833c70 ffff8dbfce340000 0000000000000008 0000000000000000 [ 5.765915] Call Trace: [ 5.765924] [<ffffffff88468ba3>] dump_stack+0x86/0xc3 [ 5.765929] [<ffffffff880ae7ab>] __warn+0xcb/0xf0 [ 5.765933] [<ffffffff880ae82f>] warn_slowpath_fmt+0x5f/0x80 [ 5.766007] [<ffffffffc0407aaf>] sandybridge_pcode_write+0x10f/0x1f0 [i915] [ 5.766069] [<ffffffffc040967e>] intel_gen6_powersave_work+0x2be/0x1420 [i915] [ 5.766076] [<ffffffff880ced1e>] process_one_work+0x23e/0x6f0 [ 5.766080] [<ffffffff880cec9a>] ? process_one_work+0x1ba/0x6f0 [ 5.766088] [<ffffffff880cf21e>] worker_thread+0x4e/0x490 [ 5.766092] [<ffffffff880cf1d0>] ? process_one_work+0x6f0/0x6f0 [ 5.766098] [<ffffffff880d6581>] kthread+0x101/0x120 [ 5.766104] [<ffffffff8810eab5>] ? trace_hardirqs_on_caller+0xf5/0x1b0 [ 5.766112] [<ffffffff888fb02f>] ret_from_fork+0x1f/0x40 [ 5.766117] [<ffffffff880d6480>] ? kthread_create_on_node+0x250/0x250 [ 5.766122] ---[ end trace 1fc144c7adb57c7f ]--- Going back to last working kernel without problems (4.8.0-0.rc4.git0.1.fc26)
Just for the record. Bug still is present in latest kernel: [ 5.765505] ------------[ cut here ]------------ [ 5.765612] WARNING: CPU: 1 PID: 231 at drivers/gpu/drm/i915/intel_pm.c:7866 sandybridge_pcode_write+0x10f/0x1f0 [i915] [ 5.765615] Missing switch case (16) in gen6_check_mailbox_status [ 5.765695] Modules linked in: btrfs xor raid6_pq amdkfd amd_iommu_v2 rtsx_pci_sdmmc radeon mmc_core i915 crc32c_intel serio_raw i2c_algo_bit drm_kms_helper ttm drm r 8169 rtsx_pci mii video fjes i2c_dev [ 5.765700] CPU: 1 PID: 231 Comm: kworker/1:2 Not tainted 4.8.0-0.rc5.git2.1.fc26.x86_64 #1 [ 5.765701] Hardware name: Sony Corporation VPCSB2M9E/VAIO, BIOS R2087H4 06/15/2012 [ 5.765763] Workqueue: events intel_gen6_powersave_work [i915] [ 5.765769] 0000000000000286 0000000081974c90 ffff8bf90f1e3c28 ffffffffa3468a73 [ 5.765774] ffff8bf90f1e3c78 0000000000000000 ffff8bf90f1e3c68 ffffffffa30ae80b [ 5.765781] 00001eba0f1e3c70 ffff8bf90e140000 0000000000000008 0000000000000000 [ 5.765783] Call Trace: [ 5.765791] [<ffffffffa3468a73>] dump_stack+0x86/0xc3 [ 5.765797] [<ffffffffa30ae80b>] __warn+0xcb/0xf0 [ 5.765802] [<ffffffffa30ae88f>] warn_slowpath_fmt+0x5f/0x80 [ 5.765880] [<ffffffffc02d4aaf>] sandybridge_pcode_write+0x10f/0x1f0 [i915] [ 5.765935] [<ffffffffc02d667e>] intel_gen6_powersave_work+0x2be/0x1420 [i915] [ 5.765938] [<ffffffffa30ced4e>] process_one_work+0x23e/0x6f0 [ 5.765941] [<ffffffffa30cecca>] ? process_one_work+0x1ba/0x6f0 [ 5.765946] [<ffffffffa30cf24e>] worker_thread+0x4e/0x490 [ 5.765949] [<ffffffffa30cf200>] ? process_one_work+0x6f0/0x6f0 [ 5.765951] [<ffffffffa30cf200>] ? process_one_work+0x6f0/0x6f0 [ 5.765970] [<ffffffffa30d65b1>] kthread+0x101/0x120 [ 5.765977] [<ffffffffa310ead5>] ? trace_hardirqs_on_caller+0xf5/0x1b0 [ 5.765985] [<ffffffffa38f9fef>] ret_from_fork+0x1f/0x40 [ 5.765991] [<ffffffffa30d64b0>] ? kthread_create_on_node+0x250/0x250 [ 5.765996] ---[ end trace 82e8f171e55c4141 ]---
Closing.