Re: Boot failure with ppc64 port on iMacs G5

2024-03-05 Thread Michael Ellerman
John Paul Adrian Glaubitz writes: > On Fri, 2024-03-01 at 12:56 +1100, Michael Ellerman wrote: >> That second iso boots OK for me in qemu. It boots grub and then the >> kernel loads and shows: >> >> Loading ... >> OF stdout device is: /pci@f0

Re: Boot failure with ppc64 port on iMacs G5

2024-02-29 Thread Michael Ellerman
John Paul Adrian Glaubitz writes: > Hi Michael, > > On Thu, 2024-02-29 at 17:42 +1100, Michael Ellerman wrote: >> > There seems to be a regression in the kernel which affects PowerPC 970 >> > machines, >> > i.e. PowerMac G5 CPUs. The issue needs to be

Re: Boot failure with ppc64 port on iMacs G5

2024-02-28 Thread Michael Ellerman
John Paul Adrian Glaubitz writes: > On Tue, 2024-02-20 at 04:16 +0100, tuxayo wrote: >> I tried snapshots/2024-01-31/debian-12.0.0-ppc64-NETINST-1.iso >> >> And was able to start booting from usb with: >> boot usb0/disk@1:,\boot\grub\powerpc.elf >> (typed in Open Firmware shell) >> (usb0 is the t

Re: Linux kernel: powerpc: KVM guest can trigger host crash on Power8

2022-01-06 Thread Michael Ellerman
kvm_hv/parameters/dynamic_mt_modes cheers > On 11/1/21 07:53, Michael Ellerman wrote: >> Sure, will give that a try. >> >> I was able to crash my machine over the weekend, building openjdk, but I >> haven't been able to reproduce it for ~24 hours now (I didn't chan

Re: Linux kernel: powerpc: KVM guest can trigger host crash on Power8

2021-11-01 Thread Michael Ellerman
John Paul Adrian Glaubitz writes: > Hi Michael! > > On 10/28/21 08:39, Michael Ellerman wrote: >> That completed fine on my BE VM here. >> >> I ran these in two tmux windows: >> $ sbuild -d sid --arch=powerpc --no-arch-all gcc-11_11.2.0-10.dsc >> $ s

Re: Linux kernel: powerpc: KVM guest can trigger host crash on Power8

2021-10-27 Thread Michael Ellerman
[ Dropping oss-security from Cc] John Paul Adrian Glaubitz writes: > On 10/27/21 13:06, Michael Ellerman wrote: >> John Paul Adrian Glaubitz writes: >>> On 10/27/21 07:30, Michael Ellerman wrote: >>>> I did test the repro case you gave me before (in the bugzilla),

Re: Linux kernel: powerpc: KVM guest can trigger host crash on Power8

2021-10-27 Thread Michael Ellerman
John Paul Adrian Glaubitz writes: > Hi Michael! > > On 10/27/21 07:30, Michael Ellerman wrote: >> I did test the repro case you gave me before (in the bugzilla), which >> was building glibc, that passes for me with a patched host. > > Did you manage to crash the unpatch

Re: Linux kernel: powerpc: KVM guest can trigger host crash on Power8

2021-10-26 Thread Michael Ellerman
John Paul Adrian Glaubitz writes: > Hi Michael! Hi Adrian, Thanks for testing ... >> The Linux kernel for powerpc since v5.2 has a bug which allows a >> malicious KVM guest to crash the host, when the host is running on >> Power8. >> >> Only machines using Linux as the hypervisor, aka. KVM, po

Re: [PATCH] macintosh: windfarm: fix MODINFO regression

2020-03-10 Thread Michael Ellerman
- > drivers/macintosh/windfarm_lm87_sensor.c| 7 +++ > drivers/macintosh/windfarm_max6690_sensor.c | 7 +++ > drivers/macintosh/windfarm_smu_sat.c| 7 +++ > 6 files changed, 50 insertions(+), 1 deletion(-) Acked-by: Michael Ellerman (powerpc) cheers

Re: [PATCH] macintosh: windfarm: fix MODINFO regression

2020-03-10 Thread Michael Ellerman
Wolfram Sang writes: > On Tue, Mar 03, 2020 at 01:50:46PM +0100, Wolfram Sang wrote: >> Commit af503716ac14 made sure OF devices get an OF style modalias with >> I2C events. It assumed all in-tree users were converted, yet it missed >> some Macintosh drivers. >> >> Add an OF module device table f

Re: [PATCH] macintosh: therm_windtunnel: fix regression when instantiating devices

2020-03-03 Thread Michael Ellerman
Wolfram Sang writes: > On Tue, Feb 25, 2020 at 03:12:29PM +0100, Wolfram Sang wrote: >> Removing attach_adapter from this driver caused a regression for at >> least some machines. Those machines had the sensors described in their >> DT, too, so they didn't need manual creation of the sensor device

Re: [PATCH] macintosh: therm_windtunnel: fix regression when instantiating devices

2020-02-26 Thread Michael Ellerman
can also take this via I2C if easier. I think that would be best, it's more I2C related than powerpc arch stuff that I could review. I don't have a machine setup to test this easily, but Erhard has been doing a good job of testing things so I'm happy for you to take it with his Tested-by. Acked-by: Michael Ellerman (powerpc) cheers

[PATCH v2] powerpc/mm/hash: Fix sharing context ids between kernel & userspace

2020-01-23 Thread Michael Ellerman
ported-by: Romain Dolbeau Signed-off-by: Aneesh Kumar K.V [mpe: Account for INVALID_REGION_ID, mostly rewrite change log] Signed-off-by: Michael Ellerman --- arch/powerpc/include/asm/book3s/64/mmu-hash.h | 5 - 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/arch/powerpc/include/

Re: PPC64: G5 & 4k/64k page size (was: Re: Call for report - G5/PPC970 status)

2020-01-06 Thread Michael Ellerman
"Aneesh Kumar K.V" writes: > Romain Dolbeau writes: > >> Le sam. 21 déc. 2019 à 05:31, Aneesh Kumar K.V >> a écrit : >>> I don't have direct access to this system, I have asked if we can get a run >>> with 64K. >> >> OK, thanks! Do you know which model it is? It seems to be working on >> some sy

Re: Removal of POWER4 support

2018-04-09 Thread Michael Ellerman
John Paul Adrian Glaubitz writes: > Hi Benjamin! > > On 04/09/2018 01:06 AM, Benjamin Herrenschmidt wrote: >> We aren't dropping support for any Freescale CPUs (BookE). Are you >> really aware of anybody using a POWER4 though ? Those were huge >> machines using a lot of electricity for little proc

Re: Removal of POWER4 support

2018-04-08 Thread Michael Ellerman
Hi Adrian, John Paul Adrian Glaubitz writes: > Hi Michael! > > I was just pointed at your pull request to remove POWER4 support from the > kernel and I'm stumped. POWER4 is something that people are still actively > using. > > I'm not aware of any breakage you are mentioning, we have multiple mac

Re: [Cbe-oss-dev] installation-report: debian 7.1 wheezy installation success on PS3

2013-08-07 Thread Michael Ellerman
On Thu, 2013-08-08 at 01:58 +0100, Declan Malone wrote: > On 8 August 2013 00:19, Geoff Levand wrote: > > It's great to know that this is still working. However, I still have > one big problem with my PS3: the spufs still doesn't work. I can load > programs on the SPUs but nothing shows up unde

Re: sym scsi driver problem with 2.6.26 or newer debian kernel on p610 (fwd)

2009-07-06 Thread Michael Ellerman
On Sun, 2009-06-28 at 08:54 +1000, Benjamin Herrenschmidt wrote: > On Sat, 2009-06-27 at 19:46 +0200, Laszlo Fekete wrote: > > Hello! > > > > Thank you very much, this patch works me too. > > > > Maybe this patch will be in the debian kernel someday? > > The patch isn't actually correct just yet

Re: sym scsi driver problem with 2.6.26 or newer debian kernel on p610 (fwd)

2009-06-23 Thread Michael Ellerman
On Wed, 2009-06-24 at 15:56 +1000, Benjamin Herrenschmidt wrote: > On Wed, 2009-06-24 at 15:53 +1000, Michael Ellerman wrote: > > Doesn't fix my machine :/ > > > That doesn't make sense ... What if you remove the bit inside the ifdef > CONFIG_MPIC_BROKEN_REGREAD

Re: sym scsi driver problem with 2.6.26 or newer debian kernel on p610 (fwd)

2009-06-23 Thread Michael Ellerman
On Wed, 2009-06-24 at 09:29 +1000, Benjamin Herrenschmidt wrote: > On Wed, 2009-06-24 at 07:57 +1000, Benjamin Herrenschmidt wrote: > > > I tried on a POWER3 box I have here "IBM,7044-170" and things work fine > > > here with current upstream. (I suspect a much smaller machine). > > > > > > I will