Ooops. I can see that point. The Startech card I'm using claims to be
based on the uPD720202: perhaps it has two if them. I'd say that the
uPD720202 needs the XHCI_TRUST_TX_LENGTH quirk as well.
-Jeff
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Thank you Joseph, sorry I couldn't try your test kernel but I've just
been chasing my tail trying to figure out why I can install some kernels
and not others.
My email is mysterylectric...@yahoo.com
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I wasn't able to test the kernel you provided, dpkg -i complained of
conflicting packages. I suspect because the kernel was down-rev relative to the
running kernel. But I don't reslly know, I'm relatively new to compilling and
installing kernels.
However, I was able to compile and install my
The underlying bug is also described in bug ID #1737629, but I think
that report was prior to the typo ie: before the "fix" with the typo was
added.
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The typo is still present in 4.15.0-29.31
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https://bugs.launchpad.net/bugs/1773704
Title:
Typo at line 184 in xhci-pci.c makes trouble for Renesas USB chipset
in Bionic
I downloaded the three files you mentioned and tried to install them
using 'dpkg -i *.deb' as root. Two of the pkgs installed OK but the
kernel proper did not, giving error:
Selecting previously unselected package
linux-image-unsigned-4.15.0-22-generic.
dpkg: regarding
No, premature. Bug still exists. I'll try your kernel at the next sitting.
-Jeff
On Tuesday, May 29, 2018, 1:11:03 PM PDT, Joseph Salisbury
wrote:
I built a patched test kernel. The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1773704
Can you test this
Hey! This bug may be fixed.As best I recall I did a fresh install from nightly
build about 3 days ago, but had not installed zoneminder so no op to tickle the
bug.
Today I did an upgrade and a dist-upgrade, then loaded zoneminder, started
pulling data over renesas port, so far no dmesg errors,
Just though of something. reinstalled a system from daily build yesterday.
So here's the deal: I'l try to see if it's fixed as of yesterday
But it will take me some hours to re-con zoneminder to trigger the bug.
-jeff
On Tuesday, May 29, 2018, 1:11:03 PM PDT, Joseph Salisbury
wrote:
Dear Mr. Salisbury,
I can't believe it's been 12 days since I filed this report. Seems like it was
just yesterday. And in fact it's just today I found your missives. Shame on me!
I'm having a bad case of battle fatigue with this issue. I'm deploying like
TODAY. Do I live with errors? Do I
Don't see the point in adding log files for a simple and obvious typo,
but before code was added for this fix I believe I did generate before
and after logs under bug ID #1710548. In any case I'm running kernels in
which I've fixed the typo.
Status changed to confirmed.
** Changed in: linux
Public bug reported:
A typo at line 184 in /drivers/usb/host/xhci-pci.c trashes a good fix.
183 if (pdev->vendor == PCI_VENDOR_ID_RENESAS &&
184 pdev->device == 0x0014)
185 xhci->quirks |= XHCI_TRUST_TX_LENGTH;
186 if (pdev->vendor ==
Hi,
It looks like someone attempted a fix, but it was beset by a typo. I fixed the
typo and compiled the kernel and the issue was resolved. I detailed the typo in
the original thread. Can you run this up the flagpole for me? I don't know how
to get in touch with the devs.
Thank you,
-Jeff
Yeah it's a typo.
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Title:
Renesas / NEC - µPD720202 needs XHCI_TRUST_TX_LENGTH quirk? Logitech
C920 Webcam/Zoneminder/Startech
Hmm, having resigned to building my own kernels for the foreseeable
future, I DL'd the source tree for bionic and took a peek at xhci-pci.c
It looks like someone has tried to incorporate the patch of interest. I
find:
if (pdev->vendor == PCI_VENDOR_ID_RENESAS &&
** Description changed:
Building zoneminder server. I think I stumbled on a kernel bug.
The suggestion is that the popular Renesas / NEC - µPD720202 may need
"quirk" in the kernel.
-
Wiped the drive.
Loaded 17.04 Server
Now getting 100's of messages in DMESG complaining of
Bug still exists in 4.15 kernel/Bionc Beaver
** Description changed:
- In trying to build a zoneminder server, I think I stumbled on a kernel
- bug. It seems to have snuck in sometime between 16.04 desktop promoted
- to server, and 17.04 server promoted to desktop.
+ Building zoneminder server.
** Summary changed:
- Renesas / NEC - µPD720202 May also need Quirk in 17.04, no problem in 16.04?
Logitech C920 Webcam/Zoneminder/Startech
+ Renesas / NEC - µPD720202 needs XHCI_TRUST_TX_LENGTH quirk? Logitech C920
Webcam/Zoneminder/Startech
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Curious as to when this fix will propagate into mainline. Haven't looked
into it very deeply, but it seems that kernel/"ubuntu base" updates
trounce the fix.
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Title and post edited to reflect actual chipset name Renesas / NEC -
µPD720202 not 27xxx2 as initially and mistakenly reported.
Do not duplicate as new bug.
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** Summary changed:
- Nec/Renasas 27xxx2 May also need Quirk in 17.04, no problem in 16.04?
Logitech C920 Webcam/Zoneminder/Startech
+ Renesas / NEC - µPD720202 May also need Quirk in 17.04, no problem in 16.04?
Logitech C920 Webcam/Zoneminder/Startech
** Description changed:
In trying to
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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Title:
Nec/Renasas 27xxx2 May also need Quirk in 17.04, no
** Tags added: kernel-bug-exists-upstream
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Title:
Nec/Renasas 27xxx2 May also need Quirk in 17.04, no problem in 16.04?
Logitech
Placeholder for DMESG attachment after the fix, sorry: file extension
collision.
** Attachment added: "postfix.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1710548/+attachment/4934482/+files/postfix.txt
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Placeholder for DMESG attachment after the fix incorporated by Kai-Heng
Feng in
http://people.canonical.com/~khfeng/linux-
image-4.13.0-rc5+_4.13.0-rc5+-2_amd64.deb
Note well the kernel complaints such as:
[96415.044917] handle_tx_event: 516 callbacks suppressed
[96415.044924] xhci_hcd
Dear Kai-Heng Feng,
Sure enough you fixed it. No complaints now.
I'd be very curious to look over the source code changes to improve my
linux-fu.
But that's secondary.
For now I hope an administrator can mark up my bug report to ensure that
the changes you have made get propagated.
Thank you
Will sit, and think, and talk to you soon.
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Title:
Nec/Renasas 27xxx2 May also need Quirk in 17.04, no problem in 16.04?
Logitech
Post script: these warnings do not crash or otherwise interfere with
system operation. ZoneMinder, in particular, `seems to function just
fine.
It's just...annoying and it seems the fix should be simple. Either this
chipset needs quirk, or not.
Does that sound crazy?
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Thank you, Joseph!
I did test upstream at v4.13-rcr4 as you suggested. Same complaints. I
tried v4.13-rcr4 "lowlatency" as well, same complaints.
What seems strange to me is that I don't think I was getting these
complaints under 16.04 LTS Desktop with Studio (ie
lowlatency)/LAMP/ZoneMinder
Placeholder for attachment
** Attachment added: "dmesg.4.13.0rc4"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1710548/+attachment/4933122/+files/dmesg.4.13.0rc4
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Public bug reported:
In trying to build a zoneminder server, I think I stumbled on a kernel
bug. It seems to have snuck in sometime between 16.04 desktop promoted
to server, and 17.04 server promoted to desktop.
The suggestion is that the very popular Nec/Renasas 27xxx2 may need
"quirk" in the
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