Use of bbolt Go library causes 7.2 to freeze. I suspect it is triggering some
sort of deadlock in mmap because threads get stuck at vmmaplk.
I managed to reproduce it consistently in a laptop with 4 cores (i5-1135G7)
using one unit test from bbolt:
$ doas pkg_add git go
$ git clone https://gi
On 10/28/22 03:46, Renato Aguiar wrote:
Use of bbolt Go library causes 7.2 to freeze. I suspect it is triggering some
sort of deadlock in mmap because threads get stuck at vmmaplk.
I managed to reproduce it consistently in a laptop with 4 cores (i5-1135G7)
using one unit test from bbolt:
On Dec 17 14:15, David Hill wrote:
>
> On 10/28/22 03:46, Renato Aguiar wrote:
> > Use of bbolt Go library causes 7.2 to freeze. I suspect it is triggering
> > some
> > sort of deadlock in mmap because threads get stuck at vmmaplk.
> >
> > I managed to reproduce it consistently in a laptop with
On 17/12/22(Sat) 14:15, David Hill wrote:
>
>
> On 10/28/22 03:46, Renato Aguiar wrote:
> > Use of bbolt Go library causes 7.2 to freeze. I suspect it is triggering
> > some
> > sort of deadlock in mmap because threads get stuck at vmmaplk.
> >
> > I managed to reproduce it consistently in a la
On 18/12/22(Sun) 20:55, Martin Pieuchot wrote:
> On 17/12/22(Sat) 14:15, David Hill wrote:
> >
> >
> > On 10/28/22 03:46, Renato Aguiar wrote:
> > > Use of bbolt Go library causes 7.2 to freeze. I suspect it is triggering
> > > some
> > > sort of deadlock in mmap because threads get stuck at vmm
On 12/21/22 05:33, Martin Pieuchot wrote:
On 18/12/22(Sun) 20:55, Martin Pieuchot wrote:
On 17/12/22(Sat) 14:15, David Hill wrote:
On 10/28/22 03:46, Renato Aguiar wrote:
Use of bbolt Go library causes 7.2 to freeze. I suspect it is triggering some
sort of deadlock in mmap because threads
On 12/21/22 07:08, David Hill wrote:
On 12/21/22 05:33, Martin Pieuchot wrote:
On 18/12/22(Sun) 20:55, Martin Pieuchot wrote:
On 17/12/22(Sat) 14:15, David Hill wrote:
On 10/28/22 03:46, Renato Aguiar wrote:
Use of bbolt Go library causes 7.2 to freeze. I suspect it is
triggering some
On 21/12/22(Wed) 09:20, David Hill wrote:
>
>
> On 12/21/22 07:08, David Hill wrote:
> >
> >
> > On 12/21/22 05:33, Martin Pieuchot wrote:
> > > On 18/12/22(Sun) 20:55, Martin Pieuchot wrote:
> > > > On 17/12/22(Sat) 14:15, David Hill wrote:
> > > > >
> > > > >
> > > > > On 10/28/22 03:46, Re
On 12/21/22 11:23, Martin Pieuchot wrote:
On 21/12/22(Wed) 09:20, David Hill wrote:
On 12/21/22 07:08, David Hill wrote:
On 12/21/22 05:33, Martin Pieuchot wrote:
On 18/12/22(Sun) 20:55, Martin Pieuchot wrote:
On 17/12/22(Sat) 14:15, David Hill wrote:
On 10/28/22 03:46, Renato Aguia
Hello David,
On 21/12/22(Wed) 11:37, David Hill wrote:
> On 12/21/22 11:23, Martin Pieuchot wrote:
> > On 21/12/22(Wed) 09:20, David Hill wrote:
> > > On 12/21/22 07:08, David Hill wrote:
> > > > On 12/21/22 05:33, Martin Pieuchot wrote:
> > > > > On 18/12/22(Sun) 20:55, Martin Pieuchot wrote:
> >
On 1/20/23 09:02, Martin Pieuchot wrote:
Hello David,
On 21/12/22(Wed) 11:37, David Hill wrote:
On 12/21/22 11:23, Martin Pieuchot wrote:
On 21/12/22(Wed) 09:20, David Hill wrote:
On 12/21/22 07:08, David Hill wrote:
On 12/21/22 05:33, Martin Pieuchot wrote:
On 18/12/22(Sun) 20:55, Marti
Hi Martin,
"David Hill" writes:
>
> Yes, same result as before. This patch does not seem to help.
>
I could also reproduce it with patched 'current' :(
--
Renato
On 23/01/23(Mon) 22:57, David Hill wrote:
> On 1/20/23 09:02, Martin Pieuchot wrote:
> > > [...]
> > > Ran it 20 times and all completed and passed. I was also able to
> > > interrupt
> > > it as well. no issues.
> > >
> > > Excellent!
> >
> > Here's the best fix I could come up with. We ma
> Date: Sun, 29 Jan 2023 12:31:22 +0100
> From: Martin Pieuchot
>
> On 23/01/23(Mon) 22:57, David Hill wrote:
> > On 1/20/23 09:02, Martin Pieuchot wrote:
> > > > [...]
> > > > Ran it 20 times and all completed and passed. I was also able to
> > > > interrupt
> > > > it as well. no issues.
>
On 29/01/23(Sun) 14:36, Mark Kettenis wrote:
> > Date: Sun, 29 Jan 2023 12:31:22 +0100
> > From: Martin Pieuchot
> >
> > On 23/01/23(Mon) 22:57, David Hill wrote:
> > > On 1/20/23 09:02, Martin Pieuchot wrote:
> > > > > [...]
> > > > > Ran it 20 times and all completed and passed. I was also ab
On 12/17/22 14:15, David Hill wrote:
ddb{3}> trace /t 0t409572
sleep_finish(8000344d1fd0,1) at sleep_finish+0xfe
rw_enter(fd821cbcb220,21) at rw_enter+0x232
vm_map_lock_ln(fd821cbcb188,81f22ed0,6e7) at
vm_map_lock_ln+0x92
uvmfault_lookup at uvmfault_lookup+0x73
uvm_fault_
On 24/01/23(Tue) 04:40, Renato Aguiar wrote:
> Hi Martin,
>
> "David Hill" writes:
>
> >
> > Yes, same result as before. This patch does not seem to help.
> >
>
> I could also reproduce it with patched 'current' :(
Here's another possible fix I came up with. The idea is to deliberately
allow
On Sat, Feb 18, 2023 at 09:23:06AM +0100, Martin Pieuchot wrote:
> On 24/01/23(Tue) 04:40, Renato Aguiar wrote:
> > Hi Martin,
> >
> > "David Hill" writes:
> >
> > >
> > > Yes, same result as before. This patch does not seem to help.
> > >
> >
> > I could also reproduce it with patched 'curren
On 2/18/23 03:23, Martin Pieuchot wrote:
On 24/01/23(Tue) 04:40, Renato Aguiar wrote:
Hi Martin,
"David Hill" writes:
Yes, same result as before. This patch does not seem to help.
I could also reproduce it with patched 'current' :(
Here's another possible fix I came up with. The id
"Martin Pieuchot" writes:
> On 24/01/23(Tue) 04:40, Renato Aguiar wrote:
>> Hi Martin,
>>
>> "David Hill" writes:
>>
>> >
>> > Yes, same result as before. This patch does not seem to help.
>> >
>>
>> I could also reproduce it with patched 'current' :(
>
> Here's another possible fix I came up
On 20/02/23(Mon) 03:59, Renato Aguiar wrote:
> [...]
> I can't reproduce it anymore with this patch on 7.2-stable :)
Thanks a lot for testing! Here's a better fix from Chuck Silvers.
That's what I believe we should commit.
The idea is to prevent sibling from modifying the vm_map by marking
it a
On 2/20/23 03:43, Martin Pieuchot wrote:
On 20/02/23(Mon) 03:59, Renato Aguiar wrote:
[...]
I can't reproduce it anymore with this patch on 7.2-stable :)
Thanks a lot for testing! Here's a better fix from Chuck Silvers.
That's what I believe we should commit.
The idea is to prevent siblin
On Feb 20 09:43, Martin Pieuchot wrote:
> On 20/02/23(Mon) 03:59, Renato Aguiar wrote:
> > [...]
> > I can't reproduce it anymore with this patch on 7.2-stable :)
>
> Thanks a lot for testing! Here's a better fix from Chuck Silvers.
> That's what I believe we should commit.
>
> The idea is to p
> Date: Mon, 20 Feb 2023 09:43:10 +0100
> From: Martin Pieuchot
>
> On 20/02/23(Mon) 03:59, Renato Aguiar wrote:
> > [...]
> > I can't reproduce it anymore with this patch on 7.2-stable :)
>
> Thanks a lot for testing! Here's a better fix from Chuck Silvers.
> That's what I believe we should c
On Mon, Feb 20, 2023 at 09:43:10AM +0100, Martin Pieuchot wrote:
> On 20/02/23(Mon) 03:59, Renato Aguiar wrote:
> > [...]
> > I can't reproduce it anymore with this patch on 7.2-stable :)
>
> Thanks a lot for testing! Here's a better fix from Chuck Silvers.
> That's what I believe we should comm
"Martin Pieuchot" writes:
> On 20/02/23(Mon) 03:59, Renato Aguiar wrote:
>> [...]
>> I can't reproduce it anymore with this patch on 7.2-stable :)
>
> Thanks a lot for testing! Here's a better fix from Chuck Silvers.
> That's what I believe we should commit.
>
> The idea is to prevent sibling
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