All of lore.kernel.org
 help / color / mirror / Atom feed
From: bugzilla-daemon@bugzilla.kernel.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 206441] New: kernel crash when amdgpu reset while very high loading
Date: Thu, 06 Feb 2020 14:14:54 +0000	[thread overview]
Message-ID: <bug-206441-2300@https.bugzilla.kernel.org/> (raw)

https://bugzilla.kernel.org/show_bug.cgi?id=206441

            Bug ID: 206441
           Summary: kernel crash when amdgpu reset while very high loading
           Product: Drivers
           Version: 2.5
    Kernel Version: 5.3.15
          Hardware: All
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Video(DRI - non Intel)
          Assignee: drivers_video-dri@kernel-bugs.osdl.org
          Reporter: wormwang@yahoo.com
        Regression: No

environment:
  hw : Huawei TaiShan 2280(aarch64) server
  ubuntu : v5.3.15
  amdgpu : Radeon RX 580
  amdgpu driver: from 5.3.15  kernel

crash:
    kernel crash accidentally  when  the gpu reset while the system is very
high load. The load average is about 600.
    The crash repeated about 8 times  on different machines recently.

kernel log:
,----
| [ 2510.570612] [drm:amdgpu_job_timedout [amdgpu]] *ERROR* ring gfx timeout,
signaled seq=11815857, emitted seq=11815860
| [ 2510.570711] [drm:amdgpu_job_timedout [amdgpu]] *ERROR* Process
information: process Media35435 pid 70612 thread appstream:cs0 pid 70667
| [ 2510.570722] amdgpu 000d:31:00.0: GPU reset begin!
| [ 2511.066418] amdgpu 000d:31:00.0: [drm:amdgpu_ring_test_helper [amdgpu]]
*ERROR* ring kiq_2.1.0 test failed (-110)
| [ 2511.066525] [drm:gfx_v8_0_hw_fini [amdgpu]] *ERROR* KCQ disable failed
| [ 2511.322334] cp is busy, skip halt cp
| [ 2511.378072] [drm] schedsdma0 is not ready, skipping
| [ 2511.378075] [drm] schedsdma1 is not ready, skipping
| [ 2511.378931] Unable to handle kernel access to user memory outside uaccess
routines at virtual address 0000000000000008
| [ 2511.378934] Mem abort info:
| [ 2511.378936]   ESR = 0x96000004
| [ 2511.378939]   Exception class = DABT (current EL), IL = 32 bits
| [ 2511.378940]   SET = 0, FnV = 0
| [ 2511.378941]   EA = 0, S1PTW = 0
| [ 2511.378942] Data abort info:
| [ 2511.378943]   ISV = 0, ISS = 0x00000004
| [ 2511.378944]   CM = 0, WnR = 0
| [ 2511.378947] user pgtable: 4k pages, 48-bit VAs, pgdp=0000001f76271000
| [ 2511.378948] [0000000000000008] pgd=0000000000000000
| [ 2511.378954] Internal error: Oops: 96000004 [#1] PREEMPT SMP
| [ 2511.381197] CPU: 59 PID: 16120 Comm: appstream:cs0 Kdump: loaded Tainted:
G           OE     5.3.15-050315.2019121601-generic #jeff
| [ 2511.381507] Hardware name: Huawei TaiShan 2280 /BC11SPCD, BIOS 1.63
09/19/2019
| [ 2511.381709] pstate: 20400005 (nzCv daif +PAN -UAO)
| [ 2511.382017] pc : amdgpu_cs_ioctl+0x173c/0x1998 [amdgpu]
| [ 2511.382255] lr : amdgpu_cs_ioctl+0x16fc/0x1998 [amdgpu]
| [ 2511.382392] sp : ffff00006b3e39e0
| [ 2511.382459] x29: ffff00006b3e39e0 x28: 0000000000000000
| [ 2511.382603] x27: ffff00006b3e3ca8 x26: ffff000011b19b48
| [ 2511.382756] x25: 0000000000000000 x24: 0000000000000000
| [ 2511.382907] x23: ffff8093ba510df8 x22: ffff00000976da44
| [ 2511.383056] x21: ffff8096a48a8400 x20: ffff8097c5460000
| [ 2511.383202] x19: 0000000000000000 x18: 0000000000000000
| [ 2511.383340] x17: 0000000000000000 x16: 0000000000000000
| [ 2511.383491] x15: 0000000000000000 x14: 0000000000000000
| [ 2511.383641] x13: 0000000000000000 x12: 0000000000000000
| [ 2511.383791] x11: 0000000000000000 x10: 0000000000000040
| [ 2511.383937] x9 : 0000000000000000 x8 : ffff8093ba511000
| [ 2511.384087] x7 : 00000000a14eea3b x6 : ffff8096a48a8a00
| [ 2511.384243] x5 : ffff8093ba510c00 x4 : ffff00006b3e3a88
| [ 2511.384395] x3 : ffff801fd5427320 x2 : 0000000000000000
| [ 2511.384529] x1 : 0000000000000000 x0 : 0000000000000000
| [ 2511.384681] Call trace:
| [ 2511.384852]  amdgpu_cs_ioctl+0x173c/0x1998 [amdgpu]
| [ 2511.389484]  drm_ioctl_kernel+0xb4/0x100 [drm]
| [ 2511.394027]  drm_ioctl+0x218/0x400 [drm]
| [ 2511.398696]  amdgpu_drm_ioctl+0x58/0x90 [amdgpu]
| [ 2511.403156]  do_vfs_ioctl+0xc4/0xb70
| [ 2511.407477]  ksys_ioctl+0x84/0xb8
| [ 2511.411706]  __arm64_sys_ioctl+0x28/0x38
| [ 2511.415663]  el0_svc_common.constprop.3+0xa4/0x1c8
| [ 2511.419497]  el0_svc_handler+0x34/0x90
| [ 2511.423165]  el0_svc+0x10/0x14
| [ 2511.426733] Code: 540006e1 f90077e0 52800002 f9400800 (f9400400)
| [ 2511.430388] SMP: stopping secondary CPUs
| [ 2511.436245] Starting crashdump kernel...
| [ 2511.439485] Bye!
| 
| 
|   (gdb) l *(amdgpu_vm_sdma_commit+0x54)
|   0x54 is in amdgpu_vm_sdma_commit
(/home/motech/src/v5.3.15/v5.3.15/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_sdma.c:102).
|   97              struct amdgpu_ib *ib = p->job->ibs;
|   98              struct amdgpu_ring *ring;
|   99              struct dma_fence *f;
|   100             int r;
|   101
|   102             ring = container_of(p->vm->entity.rq->sched, struct
amdgpu_ring, sched);
|   103
|   104             WARN_ON(ib->length_dw == 0);
|   105             amdgpu_ring_pad_ib(ring, ib);
|   106             WARN_ON(ib->length_dw > p->num_dw_left);
|   (gdb)
`----

    There was a gpu reset before the crash (null point)and the crash position
was different on  different machines, so I think the other layers used to the
release the memory during the gpu reset processs.



log:
   the first crash log
,----
| [ 2489.810091] binder_dkms: undelivered transaction 51778751, process died.
| [ 2489.810543] binder_dkms: undelivered transaction 51774314, process died.
| [ 2489.810547] binder_dkms: undelivered transaction 51774321, process died.
| [ 2492.207798] amdgpu 000d:31:00.0: GPU fault detected: 146 0x0000480c for
process Media35435 pid 70612 thread appstream:cs0 pid 70667
| [ 2492.207806] amdgpu 000d:31:00.0:   VM_CONTEXT1_PROTECTION_FAULT_ADDR  
0x00000000
| [ 2492.207808] amdgpu 000d:31:00.0:   VM_CONTEXT1_PROTECTION_FAULT_STATUS
0x0E04800C
| [ 2492.207812] amdgpu 000d:31:00.0: VM fault (0x0c, vmid 7, pasid 32854) at
page 0, read from 'TC4' (0x54433400) (72)
| [ 2494.532757] binder_cleanup_transaction: 4 callbacks suppressed
| [ 2494.532763] binder_dkms: undelivered transaction 51870919, process died.
| [ 2494.532885] binder_dkms: undelivered TRANSACTION_COMPLETE
| [ 2494.532888] binder_dkms: undelivered transaction 51871017, process died.
| [ 2494.533172] binder_dkms: undelivered transaction 51871031, process died.
| [ 2494.533364] binder_dkms: undelivered transaction 51875739, process died.
| [ 2494.533724] binder_dkms: undelivered transaction 51870920, process died.
| [ 2494.533727] binder_dkms: undelivered transaction 51875737, process died.
| [ 2494.713333] binder_dkms: 23592:23921 IncRefs 0 refcount change on invalid
ref 13 ret -22
| [ 2494.713340] binder_dkms: 23592:23921 Acquire 1 refcount change on invalid
ref 13 ret -22
| [ 2494.713347] binder_dkms: transaction release 51765348 bad handle 13, ret =
-22
| [ 2494.984179] binder_dkms: undelivered TRANSACTION_COMPLETE
| [ 2494.984187] binder_dkms: undelivered transaction 51878867, process died.
| [ 2495.368273] binder_dkms: 1545523: binder_alloc_buf, no vma
| [ 2495.368284] binder_dkms: 114651:124581 transaction failed 29189/-3, size
104-0 line 3078
| [ 2495.387489] binder_dkms: undelivered TRANSACTION_COMPLETE
| [ 2500.361421] binder_dkms: release 1528844:1543299 transaction 51835149 out,
still active
| [ 2500.361428] binder_dkms: undelivered TRANSACTION_COMPLETE
| [ 2500.361572] binder_cleanup_transaction: 8 callbacks suppressed
| [ 2500.361574] binder_dkms: undelivered transaction 51977335, process died.
| [ 2500.362282] binder_dkms: undelivered transaction 51977218, process died.
| [ 2507.289938] binder_dkms: undelivered transaction 52079922, process died.
| [ 2507.289941] binder_dkms: undelivered transaction 52079927, process died.
| [ 2508.065330] binder_dkms: undelivered transaction 52090811, process died.
| [ 2508.066126] binder_dkms: undelivered transaction 52089931, process died.
| [ 2508.066129] binder_dkms: undelivered transaction 52090005, process died.
| [ 2508.066132] binder_dkms: undelivered transaction 52090010, process died.
| [ 2510.570612] [drm:amdgpu_job_timedout [amdgpu]] *ERROR* ring gfx timeout,
signaled seq=11815857, emitted seq=11815860
| [ 2510.570711] [drm:amdgpu_job_timedout [amdgpu]] *ERROR* Process
information: process Media35435 pid 70612 thread appstream:cs0 pid 70667
| [ 2510.570722] amdgpu 000d:31:00.0: GPU reset begin!
| [ 2510.835555] binder_dkms: undelivered transaction 52135447, process died.
| [ 2510.835735] binder_dkms: undelivered transaction 52136417, process died.
| [ 2511.066418] amdgpu 000d:31:00.0: [drm:amdgpu_ring_test_helper [amdgpu]]
*ERROR* ring kiq_2.1.0 test failed (-110)
| [ 2511.066525] [drm:gfx_v8_0_hw_fini [amdgpu]] *ERROR* KCQ disable failed
| [ 2511.322334] cp is busy, skip halt cp
| [ 2511.378072] [drm] schedsdma0 is not ready, skipping
| [ 2511.378075] [drm] schedsdma1 is not ready, skipping
| [ 2511.378931] Unable to handle kernel access to user memory outside uaccess
routines at virtual address 0000000000000008
| [ 2511.378934] Mem abort info:
| [ 2511.378936]   ESR = 0x96000004
| [ 2511.378939]   Exception class = DABT (current EL), IL = 32 bits
| [ 2511.378940]   SET = 0, FnV = 0
| [ 2511.378941]   EA = 0, S1PTW = 0
| [ 2511.378942] Data abort info:
| [ 2511.378943]   ISV = 0, ISS = 0x00000004
| [ 2511.378944]   CM = 0, WnR = 0
| [ 2511.378947] user pgtable: 4k pages, 48-bit VAs, pgdp=0000001f76271000
| [ 2511.378948] [0000000000000008] pgd=0000000000000000
| [ 2511.378954] Internal error: Oops: 96000004 [#1] PREEMPT SMP
| [ 2511.381197] CPU: 59 PID: 16120 Comm: appstream:cs0 Kdump: loaded Tainted:
G           OE     5.3.15-050315.2019121601-generic #jeff
| [ 2511.381507] Hardware name: Huawei TaiShan 2280 /BC11SPCD, BIOS 1.63
09/19/2019
| [ 2511.381709] pstate: 20400005 (nzCv daif +PAN -UAO)
| [ 2511.382017] pc : amdgpu_cs_ioctl+0x173c/0x1998 [amdgpu]
| [ 2511.382255] lr : amdgpu_cs_ioctl+0x16fc/0x1998 [amdgpu]
| [ 2511.382392] sp : ffff00006b3e39e0
| [ 2511.382459] x29: ffff00006b3e39e0 x28: 0000000000000000
| [ 2511.382603] x27: ffff00006b3e3ca8 x26: ffff000011b19b48
| [ 2511.382756] x25: 0000000000000000 x24: 0000000000000000
| [ 2511.382907] x23: ffff8093ba510df8 x22: ffff00000976da44
| [ 2511.383056] x21: ffff8096a48a8400 x20: ffff8097c5460000
| [ 2511.383202] x19: 0000000000000000 x18: 0000000000000000
| [ 2511.383340] x17: 0000000000000000 x16: 0000000000000000
| [ 2511.383491] x15: 0000000000000000 x14: 0000000000000000
| [ 2511.383641] x13: 0000000000000000 x12: 0000000000000000
| [ 2511.383791] x11: 0000000000000000 x10: 0000000000000040
| [ 2511.383937] x9 : 0000000000000000 x8 : ffff8093ba511000
| [ 2511.384087] x7 : 00000000a14eea3b x6 : ffff8096a48a8a00
| [ 2511.384243] x5 : ffff8093ba510c00 x4 : ffff00006b3e3a88
| [ 2511.384395] x3 : ffff801fd5427320 x2 : 0000000000000000
| [ 2511.384529] x1 : 0000000000000000 x0 : 0000000000000000
| [ 2511.384681] Call trace:
| [ 2511.384852]  amdgpu_cs_ioctl+0x173c/0x1998 [amdgpu]
| [ 2511.389484]  drm_ioctl_kernel+0xb4/0x100 [drm]
| [ 2511.394027]  drm_ioctl+0x218/0x400 [drm]
| [ 2511.398696]  amdgpu_drm_ioctl+0x58/0x90 [amdgpu]
| [ 2511.403156]  do_vfs_ioctl+0xc4/0xb70
| [ 2511.407477]  ksys_ioctl+0x84/0xb8
| [ 2511.411706]  __arm64_sys_ioctl+0x28/0x38
| [ 2511.415663]  el0_svc_common.constprop.3+0xa4/0x1c8
| [ 2511.419497]  el0_svc_handler+0x34/0x90
| [ 2511.423165]  el0_svc+0x10/0x14
| [ 2511.426733] Code: 540006e1 f90077e0 52800002 f9400800 (f9400400)
| [ 2511.430388] SMP: stopping secondary CPUs
| [ 2511.436245] Starting crashdump kernel...
| [ 2511.439485] Bye!
`----
the second crash log
,----
| [21378.992080] binder_dkms: undelivered TRANSACTION_COMPLETE
| [21378.992085] binder_dkms: undelivered transaction 472869055, process died.
| [21378.992170] binder_dkms: undelivered transaction 472869381, process died.
| [21379.914175] binder_dkms: 532753 invalid dec weak, ref 472728014 desc 35 s
1 w 0
| [21379.965133] binder_dkms: undelivered TRANSACTION_COMPLETE
| [21380.973171] binder_dkms: 18770:18784 DecRefs 0 refcount change on invalid
ref 13 ret -22
| [21381.332315] binder_dkms: 18770:19056 IncRefs 0 refcount change on invalid
ref 13 ret -22
| [21381.332323] binder_dkms: 18770:19056 Acquire 1 refcount change on invalid
ref 13 ret -22
| [21381.332331] binder_dkms: transaction release 472926067 bad handle 13, ret
= -22
| [21382.750573] amdgpu 000d:31:00.0: GPU fault detected: 146 0x0000480c for
process Media14139 pid 111553 thread appstream:cs0 pid 111628
| [21382.750580] amdgpu 000d:31:00.0:   VM_CONTEXT1_PROTECTION_FAULT_ADDR  
0x00000000
| [21382.750582] amdgpu 000d:31:00.0:   VM_CONTEXT1_PROTECTION_FAULT_STATUS
0x0C04800C
| [21382.750586] amdgpu 000d:31:00.0: VM fault (0x0c, vmid 6, pasid 32886) at
page 0, read from 'TC4' (0x54433400) (72)
| [21384.479407] binder_dkms: 530213:530294 DecRefs 0 refcount change on
invalid ref 72 ret -22
| [21385.878272] binder_cleanup_transaction: 12 callbacks suppressed
| [21385.878277] binder_dkms: undelivered transaction 473011235, process died.
| [21385.879550] binder_dkms: undelivered transaction 473010940, process died.
| [21385.879555] binder_dkms: undelivered transaction 473010943, process died.
| [21386.759032] binder_dkms: undelivered TRANSACTION_COMPLETE
| [21386.759042] binder_dkms: undelivered transaction 473022753, process died.
| [21386.759069] binder_dkms: undelivered transaction 473023013, process died.
| [21386.759221] binder_dkms: undelivered transaction 473027708, process died.
| [21386.759966] binder_dkms: undelivered transaction 473022938, process died.
| [21386.759970] binder_dkms: undelivered transaction 473022939, process died.
| [21386.759977] binder_dkms: undelivered transaction 473027704, process died.
| [21390.060819] binder_dkms: release 499274:528095 transaction 472963476 out,
still active
| [21390.060827] binder_dkms: undelivered TRANSACTION_COMPLETE
| [21390.060848] binder_dkms: undelivered transaction 473070877, process died.
| [21390.063188] binder_dkms: 48074:138549 transaction failed 29189/0, size
24-0 line 2857
| [21390.063194] binder_dkms: send failed reply for transaction 472963476,
target dead
| [21391.133544] binder_dkms: 541607:541664 DecRefs 0 refcount change on
invalid ref 59 ret -22
| [21391.198764] binder_dkms: undelivered TRANSACTION_COMPLETE
| [21391.198773] binder_cleanup_transaction: 2 callbacks suppressed
| [21391.198776] binder_dkms: undelivered transaction 473087060, process died.
| [21393.440950] binder_dkms: 22941:24542 transaction failed 29189/0, size 24-0
line 2857
| [21393.440955] binder_dkms: send failed reply for transaction 472963295,
target dead
| [21394.958429] binder_dkms: 572751:572799 DecRefs 0 refcount change on
invalid ref 9 ret -22
| [21394.961455] binder_dkms: 572751:572751 IncRefs 0 refcount change on
invalid ref 9 ret -22
| [21394.961461] binder_dkms: 572751:572751 Acquire 1 refcount change on
invalid ref 9 ret -22
| [21394.961466] binder_dkms: transaction release 473156420 bad handle 9, ret =
-22
| [21399.299028] binder_dkms: undelivered transaction 473215166, process died.
| [21399.299291] binder_dkms: undelivered transaction 473215454, process died.
| [21399.300374] binder_dkms: undelivered transaction 473215343, process died.
| [21399.300377] binder_dkms: undelivered transaction 473215346, process died.
| [21403.491946] [drm:amdgpu_job_timedout [amdgpu]] *ERROR* ring gfx timeout,
signaled seq=112112021, emitted seq=112112024
| [21403.492046] [drm:amdgpu_job_timedout [amdgpu]] *ERROR* Process
information: process Media14139 pid 111553 thread appstream:cs0 pid 111628
| [21403.492058] amdgpu 000d:31:00.0: GPU reset begin!
| [21403.492990] [drm:amdgpu_device_ip_suspend_phase2 [amdgpu]] *ERROR* suspend
of IP block <vce_v3_0> failed -22
| [21403.762844] [drm] schedsdma0 is not ready, skipping
| [21403.762848] [drm] schedsdma1 is not ready, skipping
| [21403.763249] Unable to handle kernel access to user memory outside uaccess
routines at virtual address 0000000000000008
| [21403.763251] Mem abort info:
| [21403.763253]   ESR = 0x96000004
| [21403.763255]   Exception class = DABT (current EL), IL = 32 bits
| [21403.763256]   SET = 0, FnV = 0
| [21403.763258]   EA = 0, S1PTW = 0
| [21403.763259] Data abort info:
| [21403.763260]   ISV = 0, ISS = 0x00000004
| [21403.763261]   CM = 0, WnR = 0
| [21403.763263] user pgtable: 4k pages, 48-bit VAs, pgdp=0000009790575000
| [21403.763264] [0000000000000008] pgd=0000000000000000
| [21403.763268] Internal error: Oops: 96000004 [#1] PREEMPT SMP
| [21403.765739] CPU: 1 PID: 12845 Comm: appstream:cs0 Kdump: loaded Tainted: G
          OE     5.3.15-050315.2019121601-generic #jeff
| [21403.766081] Hardware name: Huawei TaiShan 2280 /BC11SPCD, BIOS 1.63
09/19/2019
| [21403.766294] pstate: 60400005 (nZCv daif +PAN -UAO)
| [21403.766532] pc : amdgpu_vm_sdma_commit+0x54/0x150 [amdgpu]
| [21403.766781] lr : amdgpu_vm_bo_update_mapping+0xe8/0xf0 [amdgpu]
| [21403.766954] sp : ffff000046f23820
| [21403.767042] x29: ffff000046f23820 x28: 0000000000000001
| [21403.767198] x27: ffff8097c51a0000 x26: 0000000000000000
| [21403.767352] x25: ffff8097c54a9000 x24: 0000009790c00000
| [21403.767509] x23: ffff809788cd4ab8 x22: 0000000000100200
| [21403.767662] x21: ffff8015474d35f8 x20: ffff000011b19b48
| [21403.767812] x19: ffff000046f238e0 x18: 0000000000000000
| [21403.767968] x17: 0000000000000000 x16: 0000000000000000
| [21403.768119] x15: 0000000000000000 x14: 0000000000000000
| [21403.768268] x13: 0000000000000000 x12: 0000000000000000
| [21403.768411] x11: 0000000000000000 x10: 0000000000000001
| [21403.768558] x9 : 0000000000000000 x8 : ffff000009904300
| [21403.768702] x7 : 0000000000001000 x6 : ffff00000998ee60
| [21403.768855] x5 : ffff000046f23818 x4 : 0000000000100200
| [21403.769003] x3 : fffffffffffffc00 x2 : 0000000000000000
| [21403.769157] x1 : 0000000000000014 x0 : ffff8097c54ae000
| [21403.769308] Call trace:
| [21403.769474]  amdgpu_vm_sdma_commit+0x54/0x150 [amdgpu]
| [21403.774222]  amdgpu_vm_bo_update_mapping+0xe8/0xf0 [amdgpu]
| [21403.779019]  amdgpu_vm_bo_update+0x2e0/0x718 [amdgpu]
| [21403.783872]  amdgpu_cs_ioctl+0x1070/0x1998 [amdgpu]
| [21403.788614]  drm_ioctl_kernel+0xb4/0x100 [drm]
| [21403.793182]  drm_ioctl+0x218/0x400 [drm]
| [21403.797609]  amdgpu_drm_ioctl+0x58/0x90 [amdgpu]
| [21403.801749]  do_vfs_ioctl+0xc4/0xb70
| [21403.805745]  ksys_ioctl+0x84/0xb8
| [21403.809538]  __arm64_sys_ioctl+0x28/0x38
| [21403.813289]  el0_svc_common.constprop.3+0xa4/0x1c8
| [21403.816927]  el0_svc_handler+0x34/0x90
| [21403.820347]  el0_svc+0x10/0x14
| [21403.823674] Code: f940c435 f9406402 b9400aa1 f9404019 (f9400456)
| [21403.826938] SMP: stopping secondary CPUs
| [21403.831420] Starting crashdump kernel...
| [21403.834427] Bye!
| 

pls triage the crash and fix it.

BR
Wang

-- 
You are receiving this mail because:
You are watching the assignee of the bug.
_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel

                 reply	other threads:[~2020-02-06 14:14 UTC|newest]

Thread overview: [no followups] expand[flat|nested]  mbox.gz  Atom feed

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=bug-206441-2300@https.bugzilla.kernel.org/ \
    --to=bugzilla-daemon@bugzilla.kernel.org \
    --cc=dri-devel@lists.freedesktop.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.