[DragonFlyBSD - Bug #3170] repeatable nfsd crash

bugtracker-admin at leaf.dragonflybsd.org bugtracker-admin at leaf.dragonflybsd.org
Mon Jan 28 17:08:43 PST 2019


Issue #3170 has been updated by sepherosa.


Please upload vmcore and kernel file somewhere.

Thanks,
sephe

On Mon, Jan 28, 2019 at 8:32 PM <bugtracker-admin at leaf.dragonflybsd.org> wrote:
>
> Issue #3170 has been updated by tse.
>
> File core.txt.3 added
>
> There's also the vmcore.3, which I can host somewhere.
>
> And an unrelated warning I get occasionally, but didn't think it was worth opening an issue for:
> Jan 27 09:39:08 beloved root: Unknown USB device: vendor 0x8087 product 0x07dc bus uhub0
> Jan 27 09:39:08 beloved root: Unknown USB device: vendor 0x8087 product 0x07dc bus uhub0
> Jan 27 20:33:18 beloved kernel: error: [drm:pid-1:intel_pipe_update_start] *ERROR* Potential atomic update failure on pipe A
> ...
> Jan 28 08:57:14 beloved root: Unknown USB device: vendor 0x8087 product 0x07dc bus uhub0
> Jan 28 08:57:14 beloved root: Unknown USB device: vendor 0x8087 product 0x07dc bus uhub0
> Jan 28 10:19:36 beloved kernel: error: [drm:pid938:intel_pipe_update_start] *ERROR* Potential atomic update failure on pipe A
>
> ----------------------------------------
> Bug #3170: repeatable nfsd crash
> http://bugs.dragonflybsd.org/issues/3170#change-13593
>
> * Author: tse
> * Status: New
> * Priority: Normal
> * Assignee:
> * Category:
> * Target version: Latest stable
> ----------------------------------------
> I created a linux vm on qemu with nfs shared from Dragonfly. Reason being so I could install the go-app-engine for google cloud. Could read/write small files to the nfs share. But running google-cloud-sdk/install.sh from the vm on the nfs share quickly causes this error:
>
> panic: assertion "m->m_type == MT_DATA" failed in m_dup_data at /usr/src/sys/kern/uipc_mbuf.c:1820
> cpuid = 1
> Trace beginning at frame 0xfffff802f71bf500
> m_dup_data() at m_dup_data+0x12b 0xffffffff805e8a7b
> m_dup_data() at m_dup_data+0x12b 0xffffffff805e8a7b
> nfs_realign.isra.3() at nfs_realign.isra.3+0x48 0xffffffff807177c8
> nfsrv_rcv() at nfsrv_rcv+0x490 0xffffffff8071c110
> sys_nfssvc() at sys_nfssvc+0x13e7 0xffffffff8071fcf7
> syscall2() at syscall2+0x238 0xffffffff8098c0d8
>
> I've switched from nfsd to unfsd, and that works fine. Though it took me a day of fiddling for unfsd, just because I didn't know not to run it with mountd. Hehe, such is life :)
>
> Sorry, I'm sure it would take me many multiple months of work to think of supplying a patch for this bug
>
> But I'm happy. It's my first time to setup an nfs share and linux vm, and now I can use them to access things from Dragonfly like google app engine, or clang sanitizers to hold my hand when I'm writing c
>
> ---Files--------------------------------
> core.txt.3 (296 KB)
>
>
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-- 
Tomorrow Will Never Die

----------------------------------------
Bug #3170: repeatable nfsd crash
http://bugs.dragonflybsd.org/issues/3170#change-13594

* Author: tse
* Status: New
* Priority: Normal
* Assignee: 
* Category: 
* Target version: Latest stable
----------------------------------------
I created a linux vm on qemu with nfs shared from Dragonfly. Reason being so I could install the go-app-engine for google cloud. Could read/write small files to the nfs share. But running google-cloud-sdk/install.sh from the vm on the nfs share quickly causes this error:

panic: assertion "m->m_type == MT_DATA" failed in m_dup_data at /usr/src/sys/kern/uipc_mbuf.c:1820
cpuid = 1
Trace beginning at frame 0xfffff802f71bf500
m_dup_data() at m_dup_data+0x12b 0xffffffff805e8a7b 
m_dup_data() at m_dup_data+0x12b 0xffffffff805e8a7b 
nfs_realign.isra.3() at nfs_realign.isra.3+0x48 0xffffffff807177c8 
nfsrv_rcv() at nfsrv_rcv+0x490 0xffffffff8071c110 
sys_nfssvc() at sys_nfssvc+0x13e7 0xffffffff8071fcf7 
syscall2() at syscall2+0x238 0xffffffff8098c0d8

I've switched from nfsd to unfsd, and that works fine. Though it took me a day of fiddling for unfsd, just because I didn't know not to run it with mountd. Hehe, such is life :)

Sorry, I'm sure it would take me many multiple months of work to think of supplying a patch for this bug

But I'm happy. It's my first time to setup an nfs share and linux vm, and now I can use them to access things from Dragonfly like google app engine, or clang sanitizers to hold my hand when I'm writing c

---Files--------------------------------
core.txt.3 (296 KB)


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