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Groups > linux.debian.kernel > #56786
| From | Ben Hutchings <ben@decadent.org.uk> |
|---|---|
| Newsgroups | linux.debian.bugs.dist, linux.debian.kernel |
| Subject | Bug#852505: linux-image-4.8.0-2-amd64: Realtek Ethernet controller vanishes on reboot |
| Date | 2017-01-27 05:00 +0100 |
| Message-ID | <t45RD-7A4-3@gated-at.bofh.it> (permalink) |
| References | <t45RD-7A4-5@gated-at.bofh.it> <t3iHf-2oc-1@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Cross-posted to 2 groups.
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On Wed, 2017-01-25 at 00:00 +0100, Andrea Zuccherelli wrote:
> Package: src:linux
> Version: 4.8.15-2
> Severity: normal
> Tags: upstream
>
> Dear Maintainer,
>
> The Ethernet controller RTL8105e in my Toshiba C660 notebook had a very strange behaviour.
> It worked once but not after, being not even seen by BIOS for LAN boot on next reboot.
> A hardware issue?
It sounds like it. But all hardware has bugs, and drivers should work
around those bugs if possible.
[...]
> Searching for a solution I found that only a PCI reset, after unloading the driver could help:
>
> root@zbox:~# echo 1 >/sys/bus/pci/devices/0000:01:00.0/reset
>
> So I added this to my "post-down" interface configuration.
>
> Obviously this is just a workaround: so what is happening here?
> Is my hardware not resetting the PCI bus on an ACPI poweroff event?
> Should the kernel or driver do it?
> Where is the best place to force a device PCI reset so that no problem could arise on hibernate/suspend?
In the driver. :-)
But first, please test without these kernel parameters:
pcie_aspm=force "acpi_osi=Windows 2009" "acpi_os_name=Windows 2009"
Ben.
--
Ben Hutchings
Design a system any fool can use, and only a fool will want to use it.
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Bug#852505: linux-image-4.8.0-2-amd64: Realtek Ethernet controller vanishes on reboot Ben Hutchings <ben@decadent.org.uk> - 2017-01-27 05:00 +0100 Processed: Re: Bug#852505: linux-image-4.8.0-2-amd64: Realtek Ethernet controller vanishes on reboot owner@bugs.debian.org (Debian Bug Tracking System) - 2017-01-27 05:00 +0100 Bug#852505: linux-image-4.8.0-2-amd64: Realtek Ethernet controller vanishes on reboot Andrea Zuccherelli <andrea.zuccherelli@gmail.com> - 2017-01-28 00:20 +0100
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