* [Bug 72785] bfgminer --scrypt on 7xxx+
2013-12-17 12:19 [Bug 72785] New: bfgminer --scrypt on 7xxx+ bugzilla-daemon
@ 2014-01-03 18:19 ` bugzilla-daemon
2014-01-04 23:52 ` bugzilla-daemon
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https://bugs.freedesktop.org/show_bug.cgi?id=72785
--- Comment #1 from Christoph Haag <haagch.christoph@googlemail.com> ---
Hm, I did think there would be some interest.
So but because the error had something to do with "llvm.SI.loop" and it said it
was in the "search" function there is only this one loop that can be the
trouble maker:
#pragma unroll
for (uint i=0; i<4; i++)
...
So I removed that by manually unrolling it.
And indeed it gets a little further.
But then I get this error:
0x7fa839ae8160: i32 = ExternalSymbol'__muldi3'
Undefined function
UNREACHABLE executed at AMDGPUISelLowering.h:89!
With pyrit like in bug #64600 I get the same error, so... are the patches still
not in llvm 198401?
I guess I'll try with
http://cgit.freedesktop.org/~tstellar/llvm/log/?h=master-testing-si then.
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^ permalink raw reply [flat|nested] 44+ messages in thread* [Bug 72785] bfgminer --scrypt on 7xxx+
2013-12-17 12:19 [Bug 72785] New: bfgminer --scrypt on 7xxx+ bugzilla-daemon
2014-01-03 18:19 ` [Bug 72785] " bugzilla-daemon
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https://bugs.freedesktop.org/show_bug.cgi?id=72785
--- Comment #2 from Christoph Haag <haagch.christoph@googlemail.com> ---
Created attachment 91500
--> https://bugs.freedesktop.org/attachment.cgi?id=91500&action=edit
bfgminer with original scrypt kernel and RADEON_DUMP_SHADERS=1 loop error
Well, I would test it if I could get clang to compile with it. (I think it is
required?) With revisions after r197612 clang is incompatible with llvm
master-testing-si and with a few revisions I tried before there is a segfault
(?) while compiling...
Meanwhile an error log with RADEON_DUMP_SHADERS=1 for the original loop problem
that may or may not already be fixed by patches.
So either I'll wait until Tom Stellart updates or I'll try later whether
upstream merges well with this since it's "only" two weeks behind.
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^ permalink raw reply [flat|nested] 44+ messages in thread* [Bug 72785] bfgminer --scrypt on 7xxx+
2013-12-17 12:19 [Bug 72785] New: bfgminer --scrypt on 7xxx+ bugzilla-daemon
2014-01-03 18:19 ` [Bug 72785] " bugzilla-daemon
2014-01-04 23:52 ` bugzilla-daemon
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https://bugs.freedesktop.org/show_bug.cgi?id=72785
--- Comment #3 from Tom Stellard <tstellar@gmail.com> ---
(In reply to comment #0)
> bfgminer --benchmark without scrypt seems to be working fine now.
>
> But I think many people would rather compute scrypt right now on their 7xxx+
> GPUs, just considering the recent rumors that the radeon 7950 is getting
> sold out because of litecoin miners.
>
> With mesa/llvm it doesn't work yet.
>
> llvm 3.5 197392, mesa and stuff are very recent git builds.
>
> The kernel is
> https://github.com/luke-jr/bfgminer/blob/bfgminer/scrypt130511.cl
>
> bfgminer is started with
>
> bfgminer -v1 --scrypt -S opencl:auto --url=<pool>
> --userpass=<user:worker:pass>
>
> The error is:
>
> Initialising kernel scrypt130511.cl without bitalign, 1 vectors and worksize
> 256
>
> [...]
>
> LLVM ERROR: Cannot select: 0x7f0b7cbd40a0: ch = br_cc 0x7f0b7cd32bb0,
> 0x7f0b7cc28c20, 0x7f0b7cd32fb0, 0x7f0b7cc2bc30, 0x7f0b7cc2ad30 [ORD=19251]
> [ID=4253]
> 0x7f0b7cd32fb0: i1,ch = llvm.SI.loop 0x7f0b7cc2c030:1, 0x7f0b7cd333b0,
> 0x7f0b7cc2c030 [ORD=19250] [ID=4250]
> 0x7f0b7cd333b0: i64 = TargetConstant<3431> [ID=132]
> 0x7f0b7cc2c030: i64,ch = llvm.SI.if.break 0x7f0b7cf2f3e0,
> 0x7f0b7cc2b530, 0x7f0b7cc2c530, 0x7f0b7cd339b0 [ORD=19249] [ID=4249]
> 0x7f0b7cc2b530: i64 = TargetConstant<3428> [ID=129]
> 0x7f0b7cc2c530: i1 = setcc 0x7f0b7cc7dd60, 0x7f0b7cc80760,
> 0x7f0b7cd337b0 [ORD=19248] [ID=212]
> 0x7f0b7cc7dd60: i64 = add 0x7f0b7cc81560, 0x7f0b7cc81360 [ORD=13153]
> [ID=187]
> 0x7f0b7cc81560: i64,ch = CopyFromReg 0x7f0b7c0535d8,
> 0x7f0b7cc81660 [ORD=13147] [ID=149]
> 0x7f0b7cc81660: i64 = Register %vreg53 [ID=1]
> 0x7f0b7cc81360: i64 = Constant<1> [ID=2]
> 0x7f0b7cc80760: i64 = Constant<4> [ID=4]
> 0x7f0b7cd339b0: i64,ch = CopyFromReg 0x7f0b7c0535d8, 0x7f0b7cd342b0
> [ORD=19249] [ID=185]
> 0x7f0b7cd342b0: i64 = Register %vreg52 [ID=130]
> 0x7f0b7cc2bc30: i1 = Constant<-1> [ID=133]
> In function: search
This patch:
http://cgit.freedesktop.org/~tstellar/llvm/commit/?h=master-testing-si&id=41d1f890bc2095a1354c4502cc97e30b3288ba1a
should fix the crash in an unmodified kernel. However, you will probably still
see the error from comment 3.
I need a test case in order to commit this patch. Could you post the output of
R600_DEBUG=cs from an unmodified kernel *without* this patch applied.
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https://bugs.freedesktop.org/show_bug.cgi?id=72785
--- Comment #4 from Christoph Haag <haagch.christoph@googlemail.com> ---
Created attachment 91965
--> https://bugs.freedesktop.org/attachment.cgi?id=91965&action=edit
R600_DEBUG=cs bfgminer -v1 --intensity 8 --shaders 8192 --scrypt -S opencl:auto
...
This is with upstream llvm 199097.
That patch is small enough to apply it to master without conflicts, so I can
test whether it fixes this problem later.
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https://bugs.freedesktop.org/show_bug.cgi?id=72785
--- Comment #5 from darkbasic <darkbasic@linuxsystems.it> ---
It doesn't crash for me but it doesn't work at all:
bfgminer version 3.5.7 - Started: [2014-02-14 14:46:50] - [ 0 days 00:01:56]
[M]anage devices [P]ool management [S]ettings [D]isplay options [H]elp [Q]uit
Connected to hot.wemineltc.com diff 0 with stratum as user <username>
Block: ...05f1bfaa #513878 Diff:2.67k (19.14Gh/s) Started: [14:46:49]
ST:2 F:0 NB:1 AS:0 BW:[ 26/ 3 B/s] E:0.00 I: 0.00 BTC/hr BS:0
0 53.0C | 0.0/ 0.0/ 0.0 h/s | A:0 R:0+0(none) HW:0/none
--------------------------------------------------------------------------------
OCL 0: 53.0C | 0.0/ 0.0/ 0.0 h/s | A:0 R:0+0(none) HW:0/none
--------------------------------------------------------------------------------
[2014-02-14 14:46:49] ADL Initialisation Error! Error -1!
[2014-02-14 14:46:49] Probing for an alive pool
[2014-02-14 14:46:49] Testing pool stratum+tcp://hot.wemineltc.com:3335
[2014-02-14 14:46:49] HTTP request failed: Protocol stratum+tcp not supported
or disabled in libcurl
[2014-02-14 14:46:49] Stratum authorisation success for pool 0
[2014-02-14 14:46:49] Pool 0 stratum+tcp://hot.wemineltc.com:3335 alive
[2014-02-14 14:46:49] Network difficulty changed to 2.67k (19.14Gh/s)
[2014-02-14 14:46:49] New block: ...05f1bfaa #513878 diff 2.67k (19.14Gh/s)
[2014-02-14 14:46:49] Stratum from pool 0 detected new block
[2014-02-14 14:46:49] Pool 0 is hiding block contents from us
[2014-02-14 14:46:50] Init GPU thread 0 GPU 0 virtual GPU 0
[2014-02-14 14:46:50] CL Platform vendor: Mesa
[2014-02-14 14:46:50] CL Platform name: Default
[2014-02-14 14:46:50] CL Platform version: OpenCL 1.1 MESA 10.2.0-devel
[2014-02-14 14:46:50] List of devices:
[2014-02-14 14:46:50] 0 AMD TAHITI
[2014-02-14 14:46:50] Selected 0: AMD TAHITI
[2014-02-14 14:46:50] Selecting scrypt kernel
[2014-02-14 14:46:52] Initialising kernel scrypt130511.cl without bitalign, 1
vectors and worksize 256
[2014-02-14 14:46:52] initCl() finished. Found AMD TAHITI
[2014-02-14 14:46:58] 5s: 0.0 avg: 0.0 u: 0.0 h/s | A:0 R:0+0(none)
HW:0/none
[2014-02-14 14:47:04] 5s: 0.0 avg: 0.0 u: 0.0 h/s | A:0 R:0+0(none)
HW:0/none
[2014-02-14 14:47:10] 5s: 0.0 avg: 0.0 u: 0.0 h/s | A:0 R:0+0(none)
HW:0/none
[2014-02-14 14:47:16] 5s: 0.0 avg: 0.0 u: 0.0 h/s | A:0 R:0+0(none)
HW:0/none
[2014-02-14 14:47:22] 5s: 0.0 avg: 0.0 u: 0.0 h/s | A:0 R:0+0(none)
HW:0/none
[2014-02-14 14:47:28] 5s: 0.0 avg: 0.0 u: 0.0 h/s | A:0 R:0+0(none)
HW:0/none
[2014-02-14 14:47:34] 5s: 0.0 avg: 0.0 u: 0.0 h/s | A:0 R:0+0(none)
HW:0/none
[2014-02-14 14:47:36] Stratum from pool 0 requested work update
[2014-02-14 14:47:40] 5s: 0.0 avg: 0.0 u: 0.0 h/s | A:0 R:0+0(none)
HW:0/none
[2014-02-14 14:47:46] 5s: 0.0 avg: 0.0 u: 0.0 h/s | A:0 R:0+0(none)
HW:0/none
[2014-02-14 14:47:52] 5s: 0.0 avg: 0.0 u: 0.0 h/s | A:0 R:0+0(none)
HW:0/none
[2014-02-14 14:47:54] OCL 0: Idle for more than 60 seconds, declaring SICK!
[2014-02-14 14:47:54] OCL 0: Attempting to restart
[2014-02-14 14:47:54] CL Platform 0 vendor: Mesa
[2014-02-14 14:47:54] CL Platform 0 name: Default
[2014-02-14 14:47:54] CL Platform 0 version: OpenCL 1.1 MESA 10.2.0-devel
[2014-02-14 14:47:54] Platform 0 devices: 1
[2014-02-14 14:47:54] 0 AMD TAHITI
[2014-02-14 14:47:54] Thread 0 still exists, killing it off
[2014-02-14 14:47:54] Reinit GPU thread 0
[2014-02-14 14:47:54] CL Platform vendor: Mesa
[2014-02-14 14:47:54] CL Platform name: Default
[2014-02-14 14:47:54] CL Platform version: OpenCL 1.1 MESA 10.2.0-devel
[2014-02-14 14:47:54] List of devices:
[2014-02-14 14:47:54] 0 AMD TAHITI
[2014-02-14 14:47:54] Selected 0: AMD TAHITI
[2014-02-14 14:47:56] Initialising kernel scrypt130511.cl without bitalign, 1
vectors and worksize 256
[2014-02-14 14:47:56] initCl() finished. Found AMD TAHITI
[2014-02-14 14:47:56] Thread 0 restarted
[2014-02-14 14:47:58] 5s: 0.0 avg: 0.0 u: 0.0 h/s | A:0 R:0+0(none)
HW:0/none
[2014-02-14 14:48:04] 5s: 0.0 avg: 0.0 u: 0.0 h/s | A:0 R:0+0(none)
HW:0/none
[2014-02-14 14:48:10] 5s: 0.0 avg: 0.0 u: 0.0 h/s | A:0 R:0+0(none)
HW:0/none
[2014-02-14 14:48:16] 5s: 0.0 avg: 0.0 u: 0.0 h/s | A:0 R:0+0(none)
HW:0/none
[2014-02-14 14:48:22] 5s: 0.0 avg: 0.0 u: 0.0 h/s | A:0 R:0+0(none)
HW:0/none
[2014-02-14 14:48:28] 5s: 0.0 avg: 0.0 u: 0.0 h/s | A:0 R:0+0(none)
HW:0/none
[2014-02-14 14:48:34] 5s: 0.0 avg: 0.0 u: 0.0 h/s | A:0 R:0+0(none)
HW:0/none
[2014-02-14 14:48:36] Stratum from pool 0 requested work update
[2014-02-14 14:48:40] 5s: 0.0 avg: 0.0 u: 0.0 h/s | A:0 R:0+0(none)
HW:0/none
linux 3.14 + everything from git (mesa 10.2, lvvm 3.5...)
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2013-12-17 12:19 [Bug 72785] New: bfgminer --scrypt on 7xxx+ bugzilla-daemon
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https://bugs.freedesktop.org/show_bug.cgi?id=72785
--- Comment #6 from darkbasic <darkbasic@linuxsystems.it> ---
Forgot to say: card is 7950 (radeonsi)
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2013-12-17 12:19 [Bug 72785] New: bfgminer --scrypt on 7xxx+ bugzilla-daemon
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https://bugs.freedesktop.org/show_bug.cgi?id=72785
--- Comment #7 from Christoph Haag <haagch.christoph@googlemail.com> ---
Yes, I have the same now. Either a bfgminer update or a llvm/mesa update fixed
the crashes.
It seems like it is trying to use the correct GPU:
[2014-02-14 15:31:32] OCL 0: Attempting to restart
[2014-02-14 15:31:32] CL Platform 0 vendor: Mesa
[2014-02-14 15:31:32] CL Platform 0 name: Default
[2014-02-14 15:31:32] CL Platform 0 version: OpenCL 1.1 MESA 10.2.0-devel
[2014-02-14 15:31:32] Platform 0 devices: 1
[2014-02-14 15:31:32] ?0?AMD PITCAIRN
But then it doesn't calculate anything (at least not anything bfgminer can use)
ad then:
[2014-02-14 15:32:43] OCL 0: Idle for more than 60 seconds, declaring SICK!
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https://bugs.freedesktop.org/show_bug.cgi?id=72785
--- Comment #8 from Tom Stellard <tstellar@gmail.com> ---
Created attachment 94078
--> https://bugs.freedesktop.org/attachment.cgi?id=94078&action=edit
Patch to test
Can you test this patch and post the output of R600_DEBUG=cs
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https://bugs.freedesktop.org/show_bug.cgi?id=72785
--- Comment #9 from darkbasic <darkbasic@linuxsystems.it> ---
Is R600_DEBUG=cs supposed to show something on radeonsi (HD 7950)?
Because I see nothing...
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https://bugs.freedesktop.org/show_bug.cgi?id=72785
--- Comment #10 from Tom Stellard <tstellar@gmail.com> ---
(In reply to comment #9)
> Is R600_DEBUG=cs supposed to show something on radeonsi (HD 7950)?
> Because I see nothing...
Are you redirecting stderr to a log file:
bfgminer --options 2>logfile.txt
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--- Comment #11 from darkbasic <darkbasic@linuxsystems.it> ---
Obviously I did it but I see nothing in stderr except the bfgminer output I
already posted.
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https://bugs.freedesktop.org/show_bug.cgi?id=72785
--- Comment #12 from Tom Stellard <tstellar@gmail.com> ---
(In reply to comment #11)
> Obviously I did it but I see nothing in stderr except the bfgminer output I
> already posted.
Does bfgminer do anything with the patch, or does it declare the GPU sick? If
bfgminer declares the GPU sick try changing the value of UP.Threshold to
something smaller, like 100.
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https://bugs.freedesktop.org/show_bug.cgi?id=72785
--- Comment #13 from Christoph Haag <haagch.christoph@googlemail.com> ---
Created attachment 94094
--> https://bugs.freedesktop.org/attachment.cgi?id=94094&action=edit
crashing again with patch from #8
(In reply to comment #8)
> Created attachment 94078 [details]
> Patch to test
>
> Can you test this patch and post the output of R600_DEBUG=cs
It's crashing again with
0x7f76ed4687c0: i32 = ExternalSymbol'__muldi3'
For some reason the output seems to be doubled in my log.
I hope it's not a problem that llvm was built from a newer revision than clang.
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https://bugs.freedesktop.org/show_bug.cgi?id=72785
--- Comment #14 from darkbasic <darkbasic@linuxsystems.it> ---
It doesn't crash but it keeps doing nothing with both 100 and 500 UP.Threshold.
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https://bugs.freedesktop.org/show_bug.cgi?id=72785
--- Comment #15 from Tom Stellard <tstellar@gmail.com> ---
If you apply the patches from this comment, it should fix the crash:
https://bugs.freedesktop.org/show_bug.cgi?id=74679#c2
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https://bugs.freedesktop.org/show_bug.cgi?id=72785
--- Comment #16 from Tom Stellard <tstellar@gmail.com> ---
(In reply to comment #13)
> Created attachment 94094 [details]
> crashing again with patch from #8
>
> (In reply to comment #8)
> > Created attachment 94078 [details]
> > Patch to test
> >
> > Can you test this patch and post the output of R600_DEBUG=cs
>
> It's crashing again with
>
> 0x7f76ed4687c0: i32 = ExternalSymbol'__muldi3'
>
> For some reason the output seems to be doubled in my log.
>
> I hope it's not a problem that llvm was built from a newer revision than
> clang.
For some reason, every line in the logfile is printed twice. Could you try and
capture a new log?
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https://bugs.freedesktop.org/show_bug.cgi?id=72785
--- Comment #17 from Christoph Haag <haagch.christoph@googlemail.com> ---
Created attachment 94100
--> https://bugs.freedesktop.org/attachment.cgi?id=94100&action=edit
crash with patches from the pyrit bug
Sorry, about the double entries, I don't know why it does that. Maybe it's
because it's some ncurses user interface.
(In reply to comment #15)
> If you apply the patches from this comment, it should fix the crash:
>
> https://bugs.freedesktop.org/show_bug.cgi?id=74679#c2
Indeed it does.
This is now with the two patches from there and the one from here, complete log
attached:
LLVM ERROR: Cannot select: 0x7fac6d4530b0: i64 = add 0x7fac6d42a0a0,
0x7fac6d446bb0 [ORD=7] [ID=79]
0x7fac6d42a0a0: i64,ch = CopyFromReg 0x7fac6c58c660, 0x7fac6d42aba0 [ORD=7]
[ID=42]
0x7fac6d42aba0: i64 = Register %vreg48 [ID=15]
0x7fac6d446bb0: i64 = Constant<1> [ID=16]
In function: search
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https://bugs.freedesktop.org/show_bug.cgi?id=72785
--- Comment #18 from Luke-Jr <luke-jr+freedesktopbugs@utopios.org> ---
Log output is duplicated to stderr if it is redirected. So, if you redirect
stderr to a file, *only* redirect stderr (not stdout+stderr).
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From: bugzilla-daemon @ 2014-02-14 20:13 UTC (permalink / raw)
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https://bugs.freedesktop.org/show_bug.cgi?id=72785
--- Comment #19 from Tom Stellard <tstellar@gmail.com> ---
(In reply to comment #17)
> Created attachment 94100 [details]
> crash with patches from the pyrit bug
>
> Sorry, about the double entries, I don't know why it does that. Maybe it's
> because it's some ncurses user interface.
>
> (In reply to comment #15)
> > If you apply the patches from this comment, it should fix the crash:
> >
> > https://bugs.freedesktop.org/show_bug.cgi?id=74679#c2
>
> Indeed it does.
>
> This is now with the two patches from there and the one from here, complete
> log attached:
>
> LLVM ERROR: Cannot select: 0x7fac6d4530b0: i64 = add 0x7fac6d42a0a0,
> 0x7fac6d446bb0 [ORD=7] [ID=79]
> 0x7fac6d42a0a0: i64,ch = CopyFromReg 0x7fac6c58c660, 0x7fac6d42aba0
> [ORD=7] [ID=42]
> 0x7fac6d42aba0: i64 = Register %vreg48 [ID=15]
> 0x7fac6d446bb0: i64 = Constant<1> [ID=16]
> In function: search
This patch should fix the new crash:
http://people.freedesktop.org/~tstellar/0001-R600-SI-Custom-select-64-bit-ADD.patch
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https://bugs.freedesktop.org/show_bug.cgi?id=72785
--- Comment #20 from Christoph Haag <haagch.christoph@googlemail.com> ---
@Luke-Jr
Thanks, I thought that didn't make sense, but then I noticed that I wrote 2&>
instead of 2> so it was my fault after all.
It looks like it's actually running now with all your patches. AWESOME!
But 45 MH/s? Shouldn't it be more like 350 KH/S according to
https://litecoin.info/Mining_hardware_comparison?
bfgminer version 3.9.0 - Started: [2014-02-14 21:35:07] - [ 0 days 00:06:07]
[M]anage devices [P]ool management [S]ettings [D]isplay options [H]elp [Q]uit
Connected to stratum11.dogehouse.org diff 0 with stratum as user XXXXXXXXX
Block: ...53143b61 #100970 Diff:1.19k ( 8.54Gh/s) Started: [21:40:36]
ST:2 F:0 NB:7 AS:0 BW:[ 64/ 9 B/s] E:0.00 I: 2.03mBTC/hr BS:0
1 | 0.22/ 0.22/42.98Mh/s | A:4 R:12+0(none) HW:17/ 52%
--------------------------------------------------------------------------------
OCL 0: | 0.22/ 0.22/42.62Mh/s | A:4 R:12+0(none) HW:17/ 52%
--------------------------------------------------------------------------------
[2014-02-14 21:37:55] ALL 5s: 0.22 avg: 0.21 u:51.35 Mh/s | A:2 R:4+0( 67%)
HW:11/ 65%
[2014-02-14 21:37:57] OCL0 | 5s: 0.22 avg: 0.21 u:50.63 Mh/s | A:2
R:4+0( 67%) HW:11/ 65%
[2014-02-14 21:37:58] Stratum from pool 0 requested work update
[2014-02-14 21:38:01] ALL 5s: 0.22 avg: 0.21 u:49.60 Mh/s | A:2 R:4+0( 67%)
HW:11/ 65%
[2014-02-14 21:38:03] OCL0 | 5s: 0.22 avg: 0.21 u:48.93 Mh/s | A:2
R:4+0( 67%) HW:11/ 65%
[2014-02-14 21:38:06] ALL 5s: 0.22 avg: 0.21 u:48.18 Mh/s | A:2 R:4+0( 67%)
HW:11/ 65%
[2014-02-14 21:38:09] OCL0 | 5s: 0.22 avg: 0.21 u:47.34 Mh/s | A:2
R:4+0( 67%) HW:11/ 65%
[2014-02-14 21:38:11] ALL 5s: 0.22 avg: 0.21 u:46.73 Mh/s | A:2 R:4+0( 67%)
HW:11/ 65%
[2014-02-14 21:38:15] OCL0 | 5s: 0.22 avg: 0.21 u:45.85 Mh/s | A:2
R:4+0( 67%) HW:11/ 65%
[2014-02-14 21:38:17] ALL 5s: 0.22 avg: 0.21 u:45.27 Mh/s | A:2 R:4+0( 67%)
HW:11/ 65%
[2014-02-14 21:38:18] Stratum from pool 0 requested work update
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https://bugs.freedesktop.org/show_bug.cgi?id=72785
--- Comment #21 from Luke-Jr <luke-jr+freedesktopbugs@utopios.org> ---
Old versions report the hashrate wrongly. Try latest git, or at least a
maintained version (3.5.x or 3.10.x)
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https://bugs.freedesktop.org/show_bug.cgi?id=72785
--- Comment #22 from Alex Deucher <agd5f@yahoo.com> ---
If you are using 3.14, you may have to force your performance level to high or
revert this patch for SI parts:
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ffcda352b569dcf5be5c8a5f57545794acf4adb9
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https://bugs.freedesktop.org/show_bug.cgi?id=72785
--- Comment #23 from Christoph Haag <haagch.christoph@googlemail.com> ---
Oh, didn't realize the one in the archlinux repository was too old.
Anyway, HW errors and % nonces invalid was climbing until 70+% so something was
wrong anyway.
With bfgminer git I first got
[2014-02-14 22:14:41] OCL 0: Idle for more than 60 seconds, declaring SICK!
but after restarting bfgminer it works again.
Now this is what I get. I guess it's not bad for that it is the first time it
works without crashing. :)
[2014-02-14 22:27:26] New block: ...3b4ec6ee #101023 diff 1.19k ( 8.54Gh/s)
[2014-02-14 22:27:26] Stratum from pool 0 detected new block
[2014-02-14 22:27:32] OCL0 86.0C | 20s:221.6 avg:218.1 u: 19.3 kh/s | A:1
R:1+0( 50%) HW:4/ 67%
[2014-02-14 22:27:35] ALL 20s:217.2 avg:215.6 u: 19.1 kh/s | A:1 R:1+0( 50%)
HW:5/ 71%
[2014-02-14 22:27:46] Stratum from pool 0 requested work update
[2014-02-14 22:27:53] New block: ...de20348d #101024 diff 1.19k ( 8.54Gh/s)
[2014-02-14 22:27:53] Stratum from pool 0 detected new block
[2014-02-14 22:27:55] ALL 20s:214.3 avg:215.1 u: 17.5 kh/s | A:1 R:1+0( 50%)
HW:6/ 75%
[2014-02-14 22:27:56] OCL0 88.0C | 20s:221.8 avg:218.5 u: 17.4 kh/s | A:1
R:1+0( 50%) HW:6/ 75%
[2014-02-14 22:28:14] Stratum from pool 0 requested work update
[2014-02-14 22:28:15] ALL 20s:232.8 avg:218.7 u: 16.1 kh/s | A:1 R:1+0( 50%)
HW:10/ 83%
[2014-02-14 22:28:19] OCL0 89.0C | 20s:221.9 avg:218.8 u: 15.8 kh/s | A:1
R:1+0( 50%) HW:10/ 83%
[2014-02-14 22:28:33] Stratum from pool 0 requested work update
[2014-02-14 22:28:35] ALL 20s:223.8 avg:218.0 u: 15.0 kh/s | A:1 R:1+0( 50%)
HW:12/ 86%
[2014-02-14 22:28:39] New block: ...74afb383 #101025 diff 1.19k ( 8.54Gh/s)
[2014-02-14 22:28:39] Stratum from pool 0 detected new block
[2014-02-14 22:28:43] OCL0 88.0C | 20s:221.9 avg:219.1 u: 14.5 kh/s | A:1
R:1+0( 50%) HW:12/ 86%
[2014-02-14 22:28:55] ALL 20s:218.3 avg:217.5 u: 14.0 kh/s | A:1 R:1+0( 50%)
HW:12/ 86%
[2014-02-14 22:28:59] Stratum from pool 0 requested work update
[2014-02-14 22:29:06] OCL0 86.0C | 20s:221.9 avg:219.3 u: 13.4 kh/s | A:1
R:1+0( 50%) HW:12/ 86%
[2014-02-14 22:29:15] ALL 20s:214.9 avg:217.0 u: 13.1 kh/s | A:1 R:1+0( 50%)
HW:12/ 86%
[2014-02-14 22:29:19] Stratum from pool 0 requested work update
[2014-02-14 22:29:30] OCL0 88.0C | 20s:221.9 avg:219.5 u: 12.5 kh/s | A:1
R:1+0( 50%) HW:12/ 86%
[2014-02-14 22:29:35] ALL 20s:212.9 avg:216.6 u: 12.3 kh/s | A:1 R:1+0( 50%)
HW:12/ 86%
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https://bugs.freedesktop.org/show_bug.cgi?id=72785
--- Comment #24 from darkbasic <darkbasic@linuxsystems.it> ---
Sorry, the patch previously did nothing because when I upgraded bfgminer I
forgot to add "-S opencl:auto" to the command line parameters.
I applied
0001-SelectionDAG-Factor-ISD-MUL-lowering-code-out-of-DAG.patch
0002-SelectionDAG-Use-helper-function-to-improve-legaliza.patch
0001-R600-SI-Custom-select-64-bit-ADD.patch
With "UP.Threshold = 500" it still doesn't work, while with "UP.Threshold =
100" it works but it's terribly slow: on my HD 7950 10 KH/s compared to 440
KH/s with Catalyst 14.1_beta.
GPU_MAX_ALLOC_PERCENT=100 GPU_USE_SYNC_OBJECTS=1 bfgminer -g 2 --scrypt -o
stratum+tcp://hot.wemineltc.com:3335 -u user.1 -p password -I 13 -S opencl:auto
These are the parameters which give me the best results with Catalyst and they
simply hang my system with radeon.
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https://bugs.freedesktop.org/show_bug.cgi?id=72785
--- Comment #25 from Christoph Haag <haagch.christoph@googlemail.com> ---
So with 3.16, newest mesa git, llvm trunk from a few days ago etc. I'm getting
about 12.0 khash/sec out of my HD 7970M with all the stuff one should set:
GPU_MAX_ALLOC_PERCENT=100 GPU_USE_SYNC_OBJECTS=1 bfgminer -v1 --scrypt -S
opencl:auto --url=stratum+tcp://dogepool.pw:3334 --userpass=XXXXXX
--intensity=8 --shaders=1280
from the debug output:
[2014-07-12 00:47:12] [thread 0: 47872 hashes, 11.7 khash/sec]
[2014-07-12 00:47:16] [thread 0: 47872 hashes, 11.7 khash/sec]
[2014-07-12 00:47:20] [thread 0: 47872 hashes, 11.7 khash/sec]
[2014-07-12 00:47:24] [thread 0: 47872 hashes, 11.7 khash/sec]
[2014-07-12 00:47:28] [thread 0: 47872 hashes, 11.7 khash/sec]
[2014-07-12 00:47:30] 20s: 11.9 avg: 11.5 u: 0.0 kh/s | A:0 R:0+0(none)
HW:0/none
But it's by far not getting as hot as it should (?) with about 96% gpu usage
according to radeontop (it's 61°C but I think it should be 80-90°C and I also
have it set to "high" and "performance").
And if I read that right performance is about 1/30 it could be (350 KH/S)
So...
Close this bug because it does indeed run or keep it open for performance
issues?
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https://bugs.freedesktop.org/show_bug.cgi?id=72785
--- Comment #26 from Tom Stellard <tstellar@gmail.com> ---
(In reply to comment #25)
> So with 3.16, newest mesa git, llvm trunk from a few days ago etc. I'm
> getting about 12.0 khash/sec out of my HD 7970M with all the stuff one
> should set:
>
> GPU_MAX_ALLOC_PERCENT=100 GPU_USE_SYNC_OBJECTS=1 bfgminer -v1 --scrypt -S
> opencl:auto --url=stratum+tcp://dogepool.pw:3334 --userpass=XXXXXX
> --intensity=8 --shaders=1280
>
> from the debug output:
>
> [2014-07-12 00:47:12] [thread 0: 47872 hashes, 11.7 khash/sec]
> [2014-07-12 00:47:16] [thread 0: 47872 hashes, 11.7 khash/sec]
> [2014-07-12 00:47:20] [thread 0: 47872 hashes, 11.7 khash/sec]
> [2014-07-12 00:47:24] [thread 0: 47872 hashes, 11.7 khash/sec]
> [2014-07-12 00:47:28] [thread 0: 47872 hashes, 11.7 khash/sec]
> [2014-07-12 00:47:30] 20s: 11.9 avg: 11.5 u: 0.0 kh/s | A:0 R:0+0(none)
> HW:0/none
>
> But it's by far not getting as hot as it should (?) with about 96% gpu usage
> according to radeontop (it's 61°C but I think it should be 80-90°C and I
> also have it set to "high" and "performance").
>
> And if I read that right performance is about 1/30 it could be (350 KH/S)
>
> So...
Have you verified that scrypt actually works? Do you ever get any accepted
shares? If it does work, you can close this bug and open another for the
performance issues.
>
> Close this bug because it does indeed run or keep it open for performance
> issues?
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From: bugzilla-daemon @ 2014-07-14 15:18 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=72785
--- Comment #27 from Christoph Haag <haagch.christoph@googlemail.com> ---
(In reply to comment #26)
> Have you verified that scrypt actually works? Do you ever get any accepted
> shares? If it does work, you can close this bug and open another for the
> performance issues.
Hm...
I don't think so:
[2014-07-14 17:15:40]
Summary of runtime statistics:
[2014-07-14 17:15:40] Started at [2014-07-14 16:40:41]
[2014-07-14 17:15:40] Pool: stratum+tcp://dogepool.pw:3334
[2014-07-14 17:15:40] Runtime: 0 hrs : 34 mins : 58 secs
[2014-07-14 17:15:40] Average hashrate: 0.0 Megahash/s
[2014-07-14 17:15:40] Solved blocks: 0
[2014-07-14 17:15:40] Best share difficulty: 0
[2014-07-14 17:15:40] Share submissions: 0
[2014-07-14 17:15:40] Accepted shares: 0
[2014-07-14 17:15:40] Rejected shares: 0 + 0 stale (-nan%)
[2014-07-14 17:15:40] Accepted difficulty shares: 0
[2014-07-14 17:15:40] Rejected difficulty shares: 0
[2014-07-14 17:15:40] Hardware errors: 0
[2014-07-14 17:15:40] Network transfer: 43.0 / 7.3 kB ( 20.6 / 3.5 B/s)
[2014-07-14 17:15:40] Efficiency (accepted shares * difficulty / 2 KB): 0.00
[2014-07-14 17:15:40] Utility (accepted shares / min): 0.00/min
[2014-07-14 17:15:40] Unable to get work from server occasions: 3
[2014-07-14 17:15:40] Work items generated locally: 300
[2014-07-14 17:15:40] Submitting work remotely delay occasions: 0
[2014-07-14 17:15:40] New blocks detected on network: 30
[2014-07-14 17:15:40] Summary of per device statistics:
[2014-07-14 17:15:40] OCL0 66.0C | 20s: 12.2 avg: 12.1 u: 0.0 kh/s | A:0
R:0+0(none) HW:0/none
[2014-07-14 17:15:40]
GPU_MAX_ALLOC_PERCENT=100 GPU_USE_SYNC_OBJECTS=1 bfgminer -v1 --scrypt -S
29,40s user 26,23s system 2% cpu 35:00,31 total
For reference that the pool works I also tried cpuminer:
minerd -a scrypt --url=stratum+tcp://dogepool.pw:3334 --userpass=XXXXXX
and I quickly get:
accepted: 1/1 (100.00%), 38.53 khash/s (yay!!!)
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https://bugs.freedesktop.org/show_bug.cgi?id=72785
--- Comment #28 from Tom Stellard <tstellar@gmail.com> ---
Does this work with the latest Mesa and LLVM? I've fixed some bugs recently
that may help.
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https://bugs.freedesktop.org/show_bug.cgi?id=72785
--- Comment #29 from darkbasic <darkbasic@linuxsystems.it> ---
I will try, but I have to upgrade my stack first because I switched to fglrx.
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https://bugs.freedesktop.org/show_bug.cgi?id=72785
--- Comment #30 from darkbasic <darkbasic@linuxsystems.it> ---
I get no errors but a ridiculous hash rate and a 100% error rate:
1 68.0C | 442.2/440.0/ 0.0kh/s | A:0 R:0+0(none) HW:8/100%
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--- Comment #31 from darkbasic <darkbasic@linuxsystems.it> ---
kernel 3.17-rc1 + drm-fixes, llvm git, mesa git
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https://bugs.freedesktop.org/show_bug.cgi?id=72785
--- Comment #32 from Christoph Haag <haagch@frickel.club> ---
Doesn't work for me either with llvm 216281 and mesa git
Oh and maybe it's not known, at least it wasn't so clear to me: I earlier wrote
how my GPU wouldn't get as warm as I expected nor did it display the expected
hashrate. This seems to be entirely controlled by the --intensity parameter. An
intensity of 10 or 11 seems to work okay to not get too many H/W errors and
higher results.
But I let it run for about an hour and bfgminer didn't seem to create a single
usable result again.
Runtime: 0 hrs : 52 mins : 51 secs
Average hashrate: 0.1 Megahash/s
Solved blocks: 0
Best share difficulty: 0
Share submissions: 0
Accepted shares: 0
Rejected shares: 0 + 0 stale (-nan%)
Accepted difficulty shares: 0
Rejected difficulty shares: 0
Hardware errors: 77
(The problem is pretty surely not bfgminer. I replaced CL_DEVICE_TYPE_GPU with
CL_DEVICE_TYPE_CPU and ran it via the intel opencl runtime on my CPU and there
I get accepted shares after very few minutes)
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https://bugs.freedesktop.org/show_bug.cgi?id=72785
--- Comment #33 from Luke-Jr <luke-jr+freedesktopbugs@utopios.org> ---
Looks like clEnqueueNDRangeKernel is re-compiling (or at least optimising?) the
kernel, and taking a looooooooong time to do so. Isn't compiling supposed to be
done *once* by clBuildProgram?
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https://bugs.freedesktop.org/show_bug.cgi?id=72785
--- Comment #34 from Luke-Jr <luke-jr+freedesktopbugs@utopios.org> ---
(In reply to Luke-Jr from comment #33)
> Looks like clEnqueueNDRangeKernel is re-compiling (or at least optimising?)
> the kernel, and taking a looooooooong time to do so. Isn't compiling
> supposed to be done *once* by clBuildProgram?
Also, seems it pisses off the hardware really bad when it finishes (although I
only have a 5850 and 6xxx for testing at the moment):
[ 855.257659] radeon 0000:01:00.0: ring 3 stalled for more than 10000msec
[ 855.257670] radeon 0000:01:00.0: GPU lockup (waiting for 0x000000000000963c
last fence id 0x000000000000963b on ring 3)
[ 855.283709] dmar: DRHD: handling fault status reg 3
[ 855.283730] dmar: DMAR:[DMA Read] Request device [01:00.0] fault addr
401df000
DMAR:[fault reason 06] PTE Read access is not set
[ 855.283734] radeon 0000:01:00.0: Saved 514 dwords of commands on ring 0.
[ 855.283757] radeon 0000:01:00.0: GPU softreset: 0x0000000D
[ 855.283762] radeon 0000:01:00.0: GRBM_STATUS = 0xB0433828
[ 855.283766] radeon 0000:01:00.0: GRBM_STATUS_SE0 = 0x08000007
[ 855.283770] radeon 0000:01:00.0: GRBM_STATUS_SE1 = 0x00000007
[ 855.283773] radeon 0000:01:00.0: SRBM_STATUS = 0x200000C0
[ 855.283776] radeon 0000:01:00.0: SRBM_STATUS2 = 0x00000000
[ 855.283779] radeon 0000:01:00.0: R_008674_CP_STALLED_STAT1 = 0x00000000
[ 855.283783] radeon 0000:01:00.0: R_008678_CP_STALLED_STAT2 = 0x400C0000
[ 855.283799] radeon 0000:01:00.0: R_00867C_CP_BUSY_STAT = 0x00050002
[ 855.283803] radeon 0000:01:00.0: R_008680_CP_STAT = 0x80268647
[ 855.283813] radeon 0000:01:00.0: R_00D034_DMA_STATUS_REG = 0x44483146
[ 855.298675] radeon 0000:01:00.0: GRBM_SOFT_RESET=0x00007F6B
[ 855.298731] radeon 0000:01:00.0: SRBM_SOFT_RESET=0x00100100
[ 855.299894] radeon 0000:01:00.0: GRBM_STATUS = 0x00003828
[ 855.299898] radeon 0000:01:00.0: GRBM_STATUS_SE0 = 0x00000007
[ 855.299901] radeon 0000:01:00.0: GRBM_STATUS_SE1 = 0x00000007
[ 855.299904] radeon 0000:01:00.0: SRBM_STATUS = 0x200000C0
[ 855.299908] radeon 0000:01:00.0: SRBM_STATUS2 = 0x00000000
[ 855.299911] radeon 0000:01:00.0: R_008674_CP_STALLED_STAT1 = 0x00000000
[ 855.299914] radeon 0000:01:00.0: R_008678_CP_STALLED_STAT2 = 0x00000000
[ 855.299918] radeon 0000:01:00.0: R_00867C_CP_BUSY_STAT = 0x00000000
[ 855.299921] radeon 0000:01:00.0: R_008680_CP_STAT = 0x00000000
[ 855.299924] radeon 0000:01:00.0: R_00D034_DMA_STATUS_REG = 0x44C83D57
[ 855.299956] radeon 0000:01:00.0: GPU reset succeeded, trying to resume
[ 855.322535] [drm] enabling PCIE gen 2 link speeds, disable with
radeon.pcie_gen2=0
[ 855.323757] [drm] PCIE GART of 1024M enabled (table at 0x0000000000273000).
[ 855.323855] radeon 0000:01:00.0: WB enabled
[ 855.323859] radeon 0000:01:00.0: fence driver on ring 0 use gpu addr
0x0000000040000c00 and cpu addr 0xffff8800a7056c00
[ 855.323862] radeon 0000:01:00.0: fence driver on ring 3 use gpu addr
0x0000000040000c0c and cpu addr 0xffff8800a7056c0c
[ 855.325391] radeon 0000:01:00.0: fence driver on ring 5 use gpu addr
0x0000000000072118 and cpu addr 0xffffc900052b2118
[ 855.341736] [drm] ring test on 0 succeeded in 3 usecs
[ 855.341750] [drm] ring test on 3 succeeded in 1 usecs
[ 855.519119] [drm] ring test on 5 succeeded in 2 usecs
[ 855.519135] [drm] UVD initialized successfully.
[ 855.523058] [drm] ib test on ring 0 succeeded in 0 usecs
[ 855.523143] [drm] ib test on ring 3 succeeded in 1 usecs
[ 855.675747] [drm] ib test on ring 5 succeeded
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https://bugs.freedesktop.org/show_bug.cgi?id=72785
--- Comment #35 from Luke-Jr <luke-jr+freedesktopbugs@utopios.org> ---
(In reply to Luke-Jr from comment #34)
> [ 855.257659] radeon 0000:01:00.0: ring 3 stalled for more than 10000msec
> [ 855.257670] radeon 0000:01:00.0: GPU lockup (waiting for
> 0x000000000000963c last fence id 0x000000000000963b on ring 3)
Side note: The keccak kernel gave this same problem - oddly enough, unrolling
the for loop going over each round fixed it O.o
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^ permalink raw reply [flat|nested] 44+ messages in thread* [Bug 72785] bfgminer --scrypt on 7xxx+
2013-12-17 12:19 [Bug 72785] New: bfgminer --scrypt on 7xxx+ bugzilla-daemon
` (34 preceding siblings ...)
2014-11-22 4:27 ` bugzilla-daemon
@ 2014-11-24 17:43 ` bugzilla-daemon
2014-11-24 18:14 ` bugzilla-daemon
` (6 subsequent siblings)
42 siblings, 0 replies; 44+ messages in thread
From: bugzilla-daemon @ 2014-11-24 17:43 UTC (permalink / raw)
To: dri-devel
[-- Attachment #1.1: Type: text/plain, Size: 2443 bytes --]
https://bugs.freedesktop.org/show_bug.cgi?id=72785
--- Comment #36 from Linux User <linux-user-2015@yandex.com> ---
Got similar issues when trying scrypt. I have relatively recent bfgminer (~1
month old git build) and more or less recent graphics stack: 3.17 kernel, mesa
10.4 pre-release from Oibaf PPA and LLVM 3.5.1
I have bunch of HD5000 based cards, mostly HD5750/5770 and somesuch and R9 270.
Tests have shown bfgminer performs correctly when computing SHA256 and goes
about 80% of catalyst at 57xx and even better than that on R9 270.
However things are much worse when it comes to scrypt. I got impression open
driver can get issues if something aggressively using GPU VRAM.
Some observations about open drivers stack so far:
- If you set scrypt intensity too high, there is high risk GPU would lock up in
fatal way and crash (can happen on both 57xx and R9).
- It is also exceptionally unsafe to try sha256 with vectors=4 on HD 57xx. It
would be much slower than other vector settings anyway, but still indication of
some techmical problem lurking around.
- If I'm setting up intensity at reasonable levels, it does builds kernels and
computes BUT --benchmark ***NEVER*** accepts computed blocks, 100% reject rate.
If I reduce intensity - error rate goes down. But still no accepted blocks. If
I try CPU at same time, it computes several blocks at time frame where GPU
gives no results at all. This indicates computations are just going wrong.
p.s. IMO bfgminer is a really worthy program to add it into automated
tests/regression checks, etc.
P.P.S. and what about better fan/intensity control? Problem is that if ambient
is warm, about 25-26C, 57xx cards can make really annoying noise. Heat can be
reduced via intensity a bit but it works poorly and not really fine grained.
There is also overheat + hysteresis setting which can be (ab)used to cool down
GPU a bit but it makes fan to speed up and down in oscillating manner which is
also really annoying to hear.
Any proper tooling to hint DPM about max acceptable cooler rate or max allowed
GPU freq comparable to what Catalyst haves to offer in ADL? Preferred attitude
would be to reduce GPU core clocks if ambient is high and increase it if
ambient temp is low and TDP/fan setup permits. Its possible to achieve with
Catalyst, but Catalyst really stinks and really I want to get rid of it.
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^ permalink raw reply [flat|nested] 44+ messages in thread* [Bug 72785] bfgminer --scrypt on 7xxx+
2013-12-17 12:19 [Bug 72785] New: bfgminer --scrypt on 7xxx+ bugzilla-daemon
` (35 preceding siblings ...)
2014-11-24 17:43 ` bugzilla-daemon
@ 2014-11-24 18:14 ` bugzilla-daemon
2014-11-24 19:33 ` bugzilla-daemon
` (5 subsequent siblings)
42 siblings, 0 replies; 44+ messages in thread
From: bugzilla-daemon @ 2014-11-24 18:14 UTC (permalink / raw)
To: dri-devel
[-- Attachment #1.1: Type: text/plain, Size: 1311 bytes --]
https://bugs.freedesktop.org/show_bug.cgi?id=72785
--- Comment #37 from Tom Stellard <tstellar@gmail.com> ---
(In reply to Linux User from comment #36)
> Got similar issues when trying scrypt. I have relatively recent bfgminer (~1
> month old git build) and more or less recent graphics stack: 3.17 kernel,
> mesa 10.4 pre-release from Oibaf PPA and LLVM 3.5.1
>
> I have bunch of HD5000 based cards, mostly HD5750/5770 and somesuch and R9
> 270. Tests have shown bfgminer performs correctly when computing SHA256 and
> goes about 80% of catalyst at 57xx and even better than that on R9 270.
>
> However things are much worse when it comes to scrypt. I got impression open
> driver can get issues if something aggressively using GPU VRAM.
>
> Some observations about open drivers stack so far:
> - If you set scrypt intensity too high, there is high risk GPU would lock up
> in fatal way and crash (can happen on both 57xx and R9).
>
Do you have an X server running? One cause of lockups is bfgminer hogging the
GPU, and X not being able to do anything. I recommend trying without an X
server. For best results when not using an X server, enable render nodes in
the kernel by adding drm.rnodes=1 to your kernel command line.
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^ permalink raw reply [flat|nested] 44+ messages in thread* [Bug 72785] bfgminer --scrypt on 7xxx+
2013-12-17 12:19 [Bug 72785] New: bfgminer --scrypt on 7xxx+ bugzilla-daemon
` (36 preceding siblings ...)
2014-11-24 18:14 ` bugzilla-daemon
@ 2014-11-24 19:33 ` bugzilla-daemon
2014-11-25 2:46 ` bugzilla-daemon
` (4 subsequent siblings)
42 siblings, 0 replies; 44+ messages in thread
From: bugzilla-daemon @ 2014-11-24 19:33 UTC (permalink / raw)
To: dri-devel
[-- Attachment #1.1: Type: text/plain, Size: 2146 bytes --]
https://bugs.freedesktop.org/show_bug.cgi?id=72785
--- Comment #38 from Linux User <linux-user-2015@yandex.com> ---
> Do you have an X server running?
I am (on one of GPUs). And I can understand X could be slow, etc and adjusting
intensity on GPU sharing X server is well known thing to me.
But I'm talking about GPU lockups. When GPU crashes due to ring stall and
driver have to restart it, its likely something else failing? Somehow, attempts
to run bfgminer --scrypt with high intensity often can provoke ring stalls.
> drm.rnodes=1 to your kernel command line.
Cool, but...
1) It could be nice to view output on separate monitor and graphic terminal
looks better than just framebuffer console. At least in trial runs I would
prefer to deal with my favorite terminal, adjusting intensity of 1st GPU a bit.
2) I do not think apps should be cause fatal GPU deadlocks, effectively
screwing all graphics, system-wide.
Though thanks for render nodes hint - sounds like it can be really valuable
thing to try on some headless machines, etc.
P.S. also there is another silly issue. If I just install Ubuntu and run
bfgminer on multi-GPU setup within X session, it would only see 1st GPU (where
X server running). Remaining GPUs are not detected. Fix is to either run
bfgminer as root (extremely unsafe!!!) or create new user and make "video" it's
primary group. The user who installs Ubuntu is a member of "video" group, but
"video" is his secondary group, which is very common. Somehow, kernel seems to
disregard permissions in such case and would issue -EPERM on certain syscall,
making bfgminer unable to find GPUs except one used by X. Generally it means
that user can't use more than 1 GPU unless he is either root (very dangerous!)
or video is his primary group (inconvenient and uncommon). I believe it is a
bug and I should file it? Since I fail to understand how average Joe would be
able to use some OpenCL program in multi-GPU setup and get it working "by
default" on all available GPUs. I guess I should file it as new bug? Is it
kernel issue or MESA, etc?
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^ permalink raw reply [flat|nested] 44+ messages in thread* [Bug 72785] bfgminer --scrypt on 7xxx+
2013-12-17 12:19 [Bug 72785] New: bfgminer --scrypt on 7xxx+ bugzilla-daemon
` (37 preceding siblings ...)
2014-11-24 19:33 ` bugzilla-daemon
@ 2014-11-25 2:46 ` bugzilla-daemon
2014-11-26 17:07 ` bugzilla-daemon
` (3 subsequent siblings)
42 siblings, 0 replies; 44+ messages in thread
From: bugzilla-daemon @ 2014-11-25 2:46 UTC (permalink / raw)
To: dri-devel
[-- Attachment #1.1: Type: text/plain, Size: 1465 bytes --]
https://bugs.freedesktop.org/show_bug.cgi?id=72785
--- Comment #39 from Michel Dänzer <michel@daenzer.net> ---
(In reply to Linux User from comment #36)
> P.P.S. and what about better fan/intensity control?
See bug 73338.
(In reply to Linux User from comment #38)
> P.S. also there is another silly issue. If I just install Ubuntu and run
> bfgminer on multi-GPU setup within X session, it would only see 1st GPU
> (where X server running). Remaining GPUs are not detected. Fix is to either
> run bfgminer as root (extremely unsafe!!!) or create new user and make
> "video" it's primary group. The user who installs Ubuntu is a member of
> "video" group, but "video" is his secondary group, which is very common.
> Somehow, kernel seems to disregard permissions in such case and would issue
> -EPERM on certain syscall, making bfgminer unable to find GPUs except one
> used by X. Generally it means that user can't use more than 1 GPU unless he
> is either root (very dangerous!) or video is his primary group (inconvenient
> and uncommon). I believe it is a bug and I should file it? Since I fail to
> understand how average Joe would be able to use some OpenCL program in
> multi-GPU setup and get it working "by default" on all available GPUs. I
> guess I should file it as new bug? Is it kernel issue or MESA, etc?
You should report this to Ubuntu.
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^ permalink raw reply [flat|nested] 44+ messages in thread* [Bug 72785] bfgminer --scrypt on 7xxx+
2013-12-17 12:19 [Bug 72785] New: bfgminer --scrypt on 7xxx+ bugzilla-daemon
` (38 preceding siblings ...)
2014-11-25 2:46 ` bugzilla-daemon
@ 2014-11-26 17:07 ` bugzilla-daemon
2017-03-22 16:03 ` [Bug 72785] bfgminer --scrypt OpenCL on Clover RadeonSI bugzilla-daemon
` (2 subsequent siblings)
42 siblings, 0 replies; 44+ messages in thread
From: bugzilla-daemon @ 2014-11-26 17:07 UTC (permalink / raw)
To: dri-devel
[-- Attachment #1.1: Type: text/plain, Size: 2306 bytes --]
https://bugs.freedesktop.org/show_bug.cgi?id=72785
--- Comment #40 from Tom Stellard <tstellar@gmail.com> ---
(In reply to Linux User from comment #38)
> > Do you have an X server running?
> I am (on one of GPUs). And I can understand X could be slow, etc and
> adjusting intensity on GPU sharing X server is well known thing to me.
>
> But I'm talking about GPU lockups. When GPU crashes due to ring stall and
> driver have to restart it, its likely something else failing? Somehow,
> attempts to run bfgminer --scrypt with high intensity often can provoke ring
> stalls.
>
> > drm.rnodes=1 to your kernel command line.
> Cool, but...
> 1) It could be nice to view output on separate monitor and graphic terminal
> looks better than just framebuffer console. At least in trial runs I would
> prefer to deal with my favorite terminal, adjusting intensity of 1st GPU a
> bit.
> 2) I do not think apps should be cause fatal GPU deadlocks, effectively
> screwing all graphics, system-wide.
>
> Though thanks for render nodes hint - sounds like it can be really valuable
> thing to try on some headless machines, etc.
>
> P.S. also there is another silly issue. If I just install Ubuntu and run
> bfgminer on multi-GPU setup within X session, it would only see 1st GPU
> (where X server running). Remaining GPUs are not detected. Fix is to either
> run bfgminer as root (extremely unsafe!!!) or create new user and make
> "video" it's primary group. The user who installs Ubuntu is a member of
> "video" group, but "video" is his secondary group, which is very common.
> Somehow, kernel seems to disregard permissions in such case and would issue
> -EPERM on certain syscall, making bfgminer unable to find GPUs except one
> used by X. Generally it means that user can't use more than 1 GPU unless he
> is either root (very dangerous!) or video is his primary group (inconvenient
> and uncommon). I believe it is a bug and I should file it? Since I fail to
> understand how average Joe would be able to use some OpenCL program in
> multi-GPU setup and get it working "by default" on all available GPUs. I
> guess I should file it as new bug? Is it kernel issue or MESA, etc?
Enabling rendernodes should make both GPUs visible.
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^ permalink raw reply [flat|nested] 44+ messages in thread* [Bug 72785] bfgminer --scrypt OpenCL on Clover RadeonSI
2013-12-17 12:19 [Bug 72785] New: bfgminer --scrypt on 7xxx+ bugzilla-daemon
` (39 preceding siblings ...)
2014-11-26 17:07 ` bugzilla-daemon
@ 2017-03-22 16:03 ` bugzilla-daemon
2017-03-22 16:03 ` bugzilla-daemon
2018-05-30 6:43 ` bugzilla-daemon
42 siblings, 0 replies; 44+ messages in thread
From: bugzilla-daemon @ 2017-03-22 16:03 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=72785
Vedran Miletić <vedran@miletic.net> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|bfgminer --scrypt on 7xxx+ |bfgminer --scrypt OpenCL on
| |Clover RadeonSI
QA Contact| |dri-devel@lists.freedesktop
| |.org
--- Comment #41 from Vedran Miletić <vedran@miletic.net> ---
It has been a while. What is the current state of bfgminer on Clover?
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^ permalink raw reply [flat|nested] 44+ messages in thread* [Bug 72785] bfgminer --scrypt OpenCL on Clover RadeonSI
2013-12-17 12:19 [Bug 72785] New: bfgminer --scrypt on 7xxx+ bugzilla-daemon
` (40 preceding siblings ...)
2017-03-22 16:03 ` [Bug 72785] bfgminer --scrypt OpenCL on Clover RadeonSI bugzilla-daemon
@ 2017-03-22 16:03 ` bugzilla-daemon
2018-05-30 6:43 ` bugzilla-daemon
42 siblings, 0 replies; 44+ messages in thread
From: bugzilla-daemon @ 2017-03-22 16:03 UTC (permalink / raw)
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https://bugs.freedesktop.org/show_bug.cgi?id=72785
Vedran Miletić <vedran@miletic.net> changed:
What |Removed |Added
----------------------------------------------------------------------------
Blocks| |99553
Referenced Bugs:
https://bugs.freedesktop.org/show_bug.cgi?id=99553
[Bug 99553] Tracker bug for runnning OpenCL applications on Clover
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^ permalink raw reply [flat|nested] 44+ messages in thread* [Bug 72785] bfgminer --scrypt OpenCL on Clover RadeonSI
2013-12-17 12:19 [Bug 72785] New: bfgminer --scrypt on 7xxx+ bugzilla-daemon
` (41 preceding siblings ...)
2017-03-22 16:03 ` bugzilla-daemon
@ 2018-05-30 6:43 ` bugzilla-daemon
42 siblings, 0 replies; 44+ messages in thread
From: bugzilla-daemon @ 2018-05-30 6:43 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=72785
Jan Vesely <jan.vesely@rutgers.edu> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |FIXED
Status|NEW |RESOLVED
--- Comment #42 from Jan Vesely <jan.vesely@rutgers.edu> ---
(In reply to Vedran Miletić from comment #41)
> It has been a while. What is the current state of bfgminer on Clover?
works OK on my carrizo/topaz nb:
./bfgminer -S opencl:auto --scrypt --benchmark
[2018-05-30 02:38:36] Summary of per device statistics:
[2018-05-30 02:38:36] OCL0 | 20s: 25.9 avg: 23.5 u: 10.6 kh/s | A:89
R:0+0(none) HW:0/none
[2018-05-30 02:38:36] OCL1 | 20s: 31.1 avg: 28.1 u: 13.9 kh/s | A:117
R:0+0(none) HW:0/none
[2018-05-30 02:38:36]
which is the same result as comment #25
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