lkml.org 
[lkml]   [2023]   [Aug]   [17]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: Possible nvme regression in 6.4.11
On Thu, Aug 17, 2023 at 05:16:01AM -0400, Genes Lists wrote:
> On 8/16/23 21:30, Genes Lists wrote:
> > On 8/16/23 17:04, Keith Busch wrote:
> > ...
> > > It sounds like you can recreate this. Since .10 worked and .11 doesn't,
> > > could you bisect the git commits? It looks like it will take 7 steps
> > > between those two versions.
> > >
> > > I don't think there are any nvme specific patches that could contribute
> > > to what you're seeing, it's more likely some lower level platform patch
> > > if a kernel change really did cause the regression. None of the recent
> > > commits really stood out to me, so bisect is what I'd recommend.
> >
> > Thank you
> >
> > Bisect done - This is result:

Sounds like the driver's ASPM suspicion was justified, however the
recommended work-around doesn't appear to apply to this hardware.
Thanks for running the bisect!

> > ----------------------------------------------------------------
> > 69304c8d285b77c9a56d68f5ddb2558f27abf406 is the first bad commit
> > commit 69304c8d285b77c9a56d68f5ddb2558f27abf406
> > Author: Ricky WU <ricky_wu@realtek.com>
> > Date:   Tue Jul 25 09:10:54 2023 +0000
> >
> >     misc: rtsx: judge ASPM Mode to set PETXCFG Reg
> >
> >     commit 101bd907b4244a726980ee67f95ed9cafab6ff7a upstream.
> >
> >     ASPM Mode is ASPM_MODE_CFG need to judge the value of clkreq_0
> >     to set HIGH or LOW, if the ASPM Mode is ASPM_MODE_REG
> >     always set to HIGH during the initialization.
> >
> >     Cc: stable@vger.kernel.org
> >     Signed-off-by: Ricky Wu <ricky_wu@realtek.com>
> >     Link:
> > https://lore.kernel.org/r/52906c6836374c8cb068225954c5543a@realtek.com
> >     Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> >
> >  drivers/misc/cardreader/rts5227.c  |  2 +-
> >  drivers/misc/cardreader/rts5228.c  | 18 ------------------
> >  drivers/misc/cardreader/rts5249.c  |  3 +--
> >  drivers/misc/cardreader/rts5260.c  | 18 ------------------
> >  drivers/misc/cardreader/rts5261.c  | 18 ------------------
> >  drivers/misc/cardreader/rtsx_pcr.c |  5 ++++-
> >  6 files changed, 6 insertions(+), 58 deletions(-)
> >
> > ------------------------------------------------------
> >
> > And the machine does have this hardware:
> >
> > 03:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTS525A
> > PCI Express Card Reader (rev 01)
> >         Subsystem: Dell RTS525A PCI Express Card Reader
> >         Physical Slot: 1
> >         Flags: bus master, fast devsel, latency 0, IRQ 141
> >         Memory at ed100000 (32-bit, non-prefetchable) [size=4K]
> >         Capabilities: [80] Power Management version 3
> >         Capabilities: [90] MSI: Enable+ Count=1/1 Maskable- 64bit+
> >         Capabilities: [b0] Express Endpoint, MSI 00
> >         Kernel driver in use: rtsx_pci
> >         Kernel modules: rtsx_pci

\
 
 \ /
  Last update: 2023-08-17 19:29    [W:0.063 / U:0.404 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site