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Groups > linux.debian.kernel > #63703 > unrolled thread
| Started by | Mike Crowe <mac@mcrowe.com> |
|---|---|
| First post | 2019-03-27 16:20 +0100 |
| Last post | 2019-04-01 11:10 +0200 |
| Articles | 3 — 2 participants |
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Bug#925496: Problem comes back with "EPU Power Saving Mode" enabled in the BIOS Mike Crowe <mac@mcrowe.com> - 2019-03-27 16:20 +0100
Processed (with 2 errors): Problem comes back with "EPU Power Saving Mode" enabled in the BIOS "Debian Bug Tracking System" <owner@bugs.debian.org> - 2019-03-27 16:20 +0100
Bug#925496: Fix pending upstream Mike Crowe <mac@mcrowe.com> - 2019-04-01 11:10 +0200
| From | Mike Crowe <mac@mcrowe.com> |
|---|---|
| Date | 2019-03-27 16:20 +0100 |
| Subject | Bug#925496: Problem comes back with "EPU Power Saving Mode" enabled in the BIOS |
| Message-ID | <xGivn-1Iq-1@gated-at.bofh.it> |
Control: reopen -1 Control: found linux/4.19.28-2 Control: tags upstream I wrote: > However, this inspired me to check the BIOS version on the Asus H87M-E > motherboards we're using. Both were using the rather ancient version > 1001. I upgraded one machine to the latest version 2201 and the problem > went away, even with the Debian stock 4.19.0-4-amd64 (4.19.28-2) kernel. I spoke to soon. Upgrading the BIOS didn't work on the other afflicted machine. It turns out that on the machine that worked the BIOS "EPU Power Saving Mode" setting was set to "Disabled". Changing this to "Enabled" (as is done by the "ASUS Optimal" setting on the BIOS front page) causes the high packet latency problem to return. I've sent an email[1] to the netdev mailing list describing the problem, but afterwards I discovered that someone else has also reported[2] what looks like the same problem. Mike. [1] https://lore.kernel.org/netdev/20190327150546.dgt54rchfumhaap5@mcrowe.com/T/#u [2] https://lore.kernel.org/netdev/CAMLO_R7Q6QCr7KX5goOvJ_BzDLU_tnw3UkMKzwDmL4C2BHubVA@mail.gmail.com/
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| From | "Debian Bug Tracking System" <owner@bugs.debian.org> |
|---|---|
| Date | 2019-03-27 16:20 +0100 |
| Subject | Processed (with 2 errors): Problem comes back with "EPU Power Saving Mode" enabled in the BIOS |
| Message-ID | <xGivn-1Iq-7@gated-at.bofh.it> |
| In reply to | #63703 |
Processing control commands:
> reopen -1
Bug #925496 {Done: Mike Crowe <mac@mcrowe.com>} [src:linux] linux-image-4.19.0-2-amd64: Latency increase with r8169 and default coalescing settings
Bug reopened
Ignoring request to alter fixed versions of bug #925496 to the same values previously set
> found linux/4.19.28-2
Unknown command or malformed arguments to command.
> tags upstream
Unknown command or malformed arguments to command.
--
925496: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=925496
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
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| From | Mike Crowe <mac@mcrowe.com> |
|---|---|
| Date | 2019-04-01 11:10 +0200 |
| Subject | Bug#925496: Fix pending upstream |
| Message-ID | <xI174-8B-1@gated-at.bofh.it> |
| In reply to | #63703 |
Control: found -1 linux/4.19.28-2 Control: tags -1 + patch The upstream maintainer has provided a workaround[1] for this which has apparently been queued[2] for stable, so I imagine that the fix will be merged in due course. Mike. [1] https://lore.kernel.org/netdev/e2e76e38-3155-e421-deeb-4ec05d1032a2@gmail.com/ [2] https://lore.kernel.org/netdev/e2e76e38-3155-e421-deeb-4ec05d1032a2@gmail.com/
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