[Kernel-packages] [Bug 1879393] Re: Delayed failure in Genesys USB3 SD card reader

2020-05-29 Thread Kai-Heng Feng
Please edit Makefile, and remove "-Werror" from KBUILD_CFLAGS. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1879393 Title: Delayed failure in Genesys USB3 SD card reader Status in

[Kernel-packages] [Bug 1879393] Re: Delayed failure in Genesys USB3 SD card reader

2020-05-22 Thread Dave Jones
I'm several steps down the bisect at this point and have overcome several compilation issues along the way (old kernels won't compile with gcc-9, so installed gcc-8, patched around an issue building with newer headers,

[Kernel-packages] [Bug 1879393] Re: Delayed failure in Genesys USB3 SD card reader

2020-05-20 Thread Dave Jones
Started the bisection; this may take several days to finish (each "good" result takes many hours to verify given that the problem sometimes didn't manifest for several hours). I'll update the ticket when I've got some further results. -- You received this bug notification because you are a

[Kernel-packages] [Bug 1879393] Re: Delayed failure in Genesys USB3 SD card reader

2020-05-19 Thread Kai-Heng Feng
Yes, Focal should work just fine on 4.15 kernel. And yes, the bisect instruction is sufficient. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1879393 Title: Delayed failure in Genesys

[Kernel-packages] [Bug 1879393] Re: Delayed failure in Genesys USB3 SD card reader

2020-05-19 Thread Dave Jones
> Which kernel did the system use in Xenial? Can you please roll back to the older kernel and test it? Looks like 4.15.0-99 was the last kernel I used on Xenial before the upgrade. Is it possible to use a kernel that old on focal? If so, would the bisect instructions in LP: #1798979 be sufficient

[Kernel-packages] [Bug 1879393] Re: Delayed failure in Genesys USB3 SD card reader

2020-05-18 Thread Kai-Heng Feng
Which kernel did the system use in Xenial? Can you please roll back to the older kernel and test it? -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1879393 Title: Delayed failure in

[Kernel-packages] [Bug 1879393] Re: Delayed failure in Genesys USB3 SD card reader

2020-05-18 Thread Dave Jones
** Description changed: I have a "UGreen USB3 Hub/SD card reader" which worked reliably under Ubuntu Xenial for many months. Recently, I re-installed the machine it was attached to with a fresh install of Ubuntu Focal. When initially booted, the device works perfectly (at least, the USB3