From: Linus Torvalds <torvalds-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>
To: Wu Fengguang <fengguang.wu-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Cc: Ingo Molnar <mingo-X9Un+BFzKDI@public.gmane.org>,
"Rafael J. Wysocki" <rjw-KKrjLPT3xs0@public.gmane.org>,
Linux Kernel Mailing List
<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Adrian Bunk <bunk-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
Andrew Morton
<akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>,
Natalie Protasevich
<protasnb-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
Kernel Testers List
<kernel-testers-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Network Development
<netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Linux ACPI <linux-acpi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Linux PM List
<linux-pm-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org>,
Linux SCSI List
<linux-scsi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Nick Piggin <npiggin-l3A5Bk7waGM@public.gmane.org>,
Peter Zijlstra
<a.p.zijlstra-/NLkJaSkS4VmR6Xm/wNWPw@public.gmane.org>
Subject: Re: 2.6.29-rc8-git5: Reported regressions from 2.6.28
Date: Mon, 23 Mar 2009 09:23:47 -0700 (PDT) [thread overview]
Message-ID: <alpine.LFD.2.00.0903230922440.3030@localhost.localdomain> (raw)
In-Reply-To: <20090323005738.GB6003@localhost>
On Mon, 23 Mar 2009, Wu Fengguang wrote:
> >
> > I think this was tracked back to the effective halving of
> > dirty_ratio by 1cf6e7d83 ("mm: task dirty accounting fix") and
> > doubling the ratio fixed the iozone regression.
>
> Yes, exactly. The patch for fixing this regression is trivial.
I was planning on applying that patch only after 2.6.29 is out, and then
if there are no surprising side effects and nobody complains, we'd then
back-port it into stable.
Linus
WARNING: multiple messages have this Message-ID (diff)
From: Linus Torvalds <torvalds@linux-foundation.org>
To: Wu Fengguang <fengguang.wu@intel.com>
Cc: Ingo Molnar <mingo@elte.hu>, "Rafael J. Wysocki" <rjw@sisk.pl>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Adrian Bunk <bunk@kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Natalie Protasevich <protasnb@gmail.com>,
Kernel Testers List <kernel-testers@vger.kernel.org>,
Network Development <netdev@vger.kernel.org>,
Linux ACPI <linux-acpi@vger.kernel.org>,
Linux PM List <linux-pm@lists.linux-foundation.org>,
Linux SCSI List <linux-scsi@vger.kernel.org>,
Nick Piggin <npiggin@suse.de>,
Peter Zijlstra <a.p.zijlstra@chello.nl>
Subject: Re: 2.6.29-rc8-git5: Reported regressions from 2.6.28
Date: Mon, 23 Mar 2009 09:23:47 -0700 (PDT) [thread overview]
Message-ID: <alpine.LFD.2.00.0903230922440.3030@localhost.localdomain> (raw)
In-Reply-To: <20090323005738.GB6003@localhost>
On Mon, 23 Mar 2009, Wu Fengguang wrote:
> >
> > I think this was tracked back to the effective halving of
> > dirty_ratio by 1cf6e7d83 ("mm: task dirty accounting fix") and
> > doubling the ratio fixed the iozone regression.
>
> Yes, exactly. The patch for fixing this regression is trivial.
I was planning on applying that patch only after 2.6.29 is out, and then
if there are no surprising side effects and nobody complains, we'd then
back-port it into stable.
Linus
next prev parent reply other threads:[~2009-03-23 16:23 UTC|newest]
Thread overview: 95+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-03-21 16:28 2.6.29-rc8-git5: Reported regressions from 2.6.28 Rafael J. Wysocki
2009-03-21 16:28 ` Rafael J. Wysocki
2009-03-21 16:28 ` [Bug #12419] possible circular locking dependency on i915 dma Rafael J. Wysocki
2009-03-21 16:28 ` Rafael J. Wysocki
2009-03-21 16:39 ` [Bug #12499] Problem with using bluetooth adaper connected to usb port Rafael J. Wysocki
2009-03-21 16:39 ` Rafael J. Wysocki
2009-03-21 16:39 ` [Bug #12670] BUG: unable to handle kernel paging request at pin_to_kill+0x21 Rafael J. Wysocki
2009-03-21 16:39 ` Rafael J. Wysocki
2009-03-21 16:39 ` [Bug #12574] possible circular locking dependency detected Rafael J. Wysocki
2009-03-21 16:39 ` Rafael J. Wysocki
2009-03-21 16:39 ` [Bug #12667] Badness at kernel/time/timekeeping.c:98 in pmud (timekeeping_suspended) Rafael J. Wysocki
2009-03-21 16:39 ` Rafael J. Wysocki
2009-03-21 16:39 ` [Bug #12490] ath5k related kernel panic in 2.6.29-rc1 Rafael J. Wysocki
2009-03-21 16:39 ` Rafael J. Wysocki
2009-03-21 16:39 ` [Bug #12668] USB flash disk surprise disconnect Rafael J. Wysocki
2009-03-21 16:39 ` Rafael J. Wysocki
2009-03-21 16:39 ` [Bug #12705] X200: Brightness broken since 2.6.29-rc4-58-g4c098bc Rafael J. Wysocki
2009-03-21 16:39 ` Rafael J. Wysocki
2009-03-21 16:39 ` [Bug #12671] uvc_status_cleanup(): undefined reference to `input_unregister_device' Rafael J. Wysocki
2009-03-21 16:39 ` Rafael J. Wysocki
2009-03-21 16:39 ` [Bug #12681] s2ram: fails to wake up on Acer Extensa 4220 (SMP disabled) Rafael J. Wysocki
2009-03-21 16:39 ` Rafael J. Wysocki
2009-03-21 16:39 ` [Bug #12763] Different cpu MHz values for processor0 and processor1 Rafael J. Wysocki
2009-03-21 16:39 ` Rafael J. Wysocki
2009-03-21 16:39 ` [Bug #12778] suspend regression from 29rc5 to 29rc6 Rafael J. Wysocki
2009-03-21 16:39 ` Rafael J. Wysocki
2009-03-21 16:39 ` [Bug #12771] Oops in i915_gem_flush Rafael J. Wysocki
2009-03-21 16:39 ` Rafael J. Wysocki
2009-03-21 16:39 ` [Bug #12765] i915 VT switch with AIGLX causes X lock up Rafael J. Wysocki
2009-03-21 16:39 ` Rafael J. Wysocki
2009-03-21 16:39 ` [Bug #12809] iozone regression with 2.6.29-rc6 Rafael J. Wysocki
2009-03-21 16:39 ` Rafael J. Wysocki
2009-03-21 16:39 ` [Bug #12792] 2.6.29-rc6-git4 boot failure Rafael J. Wysocki
2009-03-21 16:39 ` Rafael J. Wysocki
2009-03-22 21:49 ` Benjamin Herrenschmidt
2009-03-22 21:49 ` Benjamin Herrenschmidt
2009-03-23 5:04 ` Sachin Sant
2009-03-23 5:04 ` Sachin Sant
2009-03-23 6:05 ` Benjamin Herrenschmidt
2009-03-21 16:39 ` [Bug #12800] x86 PAT invalid vm_insert_pfn assumptions Rafael J. Wysocki
2009-03-21 16:39 ` Rafael J. Wysocki
2009-03-21 16:39 ` [Bug #12808] Suspend regression with 2.6.29-rc Rafael J. Wysocki
2009-03-21 16:39 ` Rafael J. Wysocki
2009-03-21 16:39 ` [Bug #12856] Thinkpad freezes with X.org and acpi=rsdt Rafael J. Wysocki
2009-03-21 16:39 ` Rafael J. Wysocki
2009-03-21 16:39 ` [Bug #12846] Regression issue with kernel 2.6.29-rc6-git1: high power consumption during sleep Rafael J. Wysocki
2009-03-21 16:39 ` Rafael J. Wysocki
2009-03-21 16:39 ` [Bug #12836] 2.6.29-rc breaks STD using Intel 945 Rafael J. Wysocki
2009-03-21 16:39 ` Rafael J. Wysocki
2009-03-21 16:39 ` [Bug #12861] Xorg fails to start "Failed to allocate space for kernel memory manager" Rafael J. Wysocki
2009-03-21 16:39 ` Rafael J. Wysocki
2009-03-21 16:39 ` [Bug #12870] 2.6.29-rc "TKIP: replay detected" regression Rafael J. Wysocki
2009-03-21 16:39 ` Rafael J. Wysocki
2009-03-21 19:51 ` Hugh Dickins
2009-03-21 19:51 ` Hugh Dickins
2009-03-21 16:39 ` [Bug #12867] 2.6.29-rc7 broke r8169 MAC on Thecus n2100 ARM board Rafael J. Wysocki
2009-03-21 16:39 ` Rafael J. Wysocki
2009-03-22 13:51 ` Mikael Pettersson
2009-03-22 13:51 ` Mikael Pettersson
2009-03-21 16:39 ` [Bug #12871] usb bluetooth crashes system Rafael J. Wysocki
2009-03-21 16:39 ` Rafael J. Wysocki
2009-03-22 10:06 ` Pavel Machek
2009-03-22 10:06 ` Pavel Machek
2009-03-21 16:39 ` [Bug #12908] acpi_ex_extract_from_field -- div by zero Rafael J. Wysocki
2009-03-21 16:39 ` Rafael J. Wysocki
2009-03-21 16:39 ` [Bug #12909] boot/kernel init duration regression from 2.6.28 Rafael J. Wysocki
2009-03-21 16:39 ` Rafael J. Wysocki
2009-03-21 16:39 ` [Bug #12872] pwc mmap always fails with EAGAIN Rafael J. Wysocki
2009-03-21 16:39 ` Rafael J. Wysocki
2009-03-22 12:37 ` Markus
2009-03-22 12:37 ` Markus
[not found] ` <200903221337.35237.M4rkusXXL-S0/GAf8tV78@public.gmane.org>
2009-03-22 14:28 ` Alan Cox
2009-03-22 14:28 ` Alan Cox
[not found] ` <20090322142837.2df0d93d-qBU/x9rampVanCEyBjwyrvXRex20P6io@public.gmane.org>
2009-03-22 14:45 ` Ingo Molnar
2009-03-22 14:45 ` Ingo Molnar
[not found] ` <20090322144516.GA13129-X9Un+BFzKDI@public.gmane.org>
2009-03-22 19:58 ` Markus
2009-03-22 19:58 ` Markus
[not found] ` <200903222058.12924.M4rkusXXL-S0/GAf8tV78@public.gmane.org>
2009-03-22 20:05 ` Ingo Molnar
2009-03-22 20:05 ` Ingo Molnar
[not found] ` <20090322200521.GA5355-X9Un+BFzKDI@public.gmane.org>
2009-04-02 15:49 ` Markus
2009-04-02 15:49 ` Markus
[not found] ` <7b6bb4a50903230341r6ab4a910l401a49d41aa289c7@mail.gmail.com>
[not found] ` <7b6bb4a50903230341r6ab4a910l401a49d41aa289c7-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2009-03-23 10:49 ` Alan Cox
2009-03-23 10:49 ` Alan Cox
[not found] ` <20090323104945.0fc497e6-qBU/x9rampVanCEyBjwyrvXRex20P6io@public.gmane.org>
2009-03-23 14:12 ` Arjan van de Ven
2009-03-23 14:12 ` Arjan van de Ven
2009-03-21 16:39 ` [Bug #12910] Wierd iteractions with CPUFREQ Rafael J. Wysocki
2009-03-21 16:39 ` Rafael J. Wysocki
2009-03-21 20:05 ` 2.6.29-rc8-git5: Reported regressions from 2.6.28 Ingo Molnar
2009-03-21 20:05 ` Ingo Molnar
2009-03-23 0:57 ` Wu Fengguang
2009-03-23 16:23 ` Linus Torvalds [this message]
2009-03-23 16:23 ` Linus Torvalds
2009-03-23 16:23 ` Linus Torvalds
2009-03-23 0:57 ` Wu Fengguang
-- strict thread matches above, loose matches on Subject: below --
2009-03-21 16:28 Rafael J. Wysocki
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