[Bug 205283] BUG: KASAN: global-out-of-bounds in _copy_to_iter+0x3d4/0x5a8

https://bugzilla.kernel.org/show_bug.cgi?id=205283 --- Comment #8 from Christophe Leroy (christophe.le...@c-s.fr) --- Thanks for the test. Looking once more at module_alloc() in arch/powerpc/mm/kasan/kasan_init_32.c, I think we are missing an initialisation. In module_alloc(), in the call to

[Bug 205283] BUG: KASAN: global-out-of-bounds in _copy_to_iter+0x3d4/0x5a8

https://bugzilla.kernel.org/show_bug.cgi?id=205283 --- Comment #7 from Erhard F. (erhar...@mailbox.org) --- (In reply to Christophe Leroy from comment #4) > Can you apply https://patchwork.ozlabs.org/patch/1213028/ and select > CONFIG_KASAN_VMALLOC Re-tried with 5.5-rc2 your KASAN_VMALLOC patch

[Bug 205283] BUG: KASAN: global-out-of-bounds in _copy_to_iter+0x3d4/0x5a8

https://bugzilla.kernel.org/show_bug.cgi?id=205283 --- Comment #6 from Erhard F. (erhar...@mailbox.org) --- Created attachment 286387 --> https://bugzilla.kernel.org/attachment.cgi?id=286387=edit 5.5.0-rc2+ kernel .config (PowerMac G4 DP) -- You are receiving this mail because: You are

[Bug 205283] BUG: KASAN: global-out-of-bounds in _copy_to_iter+0x3d4/0x5a8

https://bugzilla.kernel.org/show_bug.cgi?id=205283 --- Comment #5 from Erhard F. (erhar...@mailbox.org) --- Created attachment 286385 --> https://bugzilla.kernel.org/attachment.cgi?id=286385=edit dmesg (kernel 5.5.0-rc2+, PowerMac G4 DP) -- You are receiving this mail because: You are

[Bug 205889] CONFIG_PPC_85xx with CONFIG_CORENET_GENERIC outputs uImage instead of zImage

https://bugzilla.kernel.org/show_bug.cgi?id=205889 --- Comment #2 from Bradley Gamble (bradley.gam...@ncipher.com) --- I understand the desire not to break scripts etc that may be used, but zImage and uImage files are different and may not both be bootable on the same device. I am currently able

[Bug 205283] BUG: KASAN: global-out-of-bounds in _copy_to_iter+0x3d4/0x5a8

https://bugzilla.kernel.org/show_bug.cgi?id=205283 --- Comment #4 from Christophe Leroy (christophe.le...@c-s.fr) --- Can you apply https://patchwork.ozlabs.org/patch/1213028/ and select CONFIG_KASAN_VMALLOC -- You are receiving this mail because: You are watching someone on the CC list of the

[Bug 205889] CONFIG_PPC_85xx with CONFIG_CORENET_GENERIC outputs uImage instead of zImage

https://bugzilla.kernel.org/show_bug.cgi?id=205889 Michael Ellerman (mich...@ellerman.id.au) changed: What|Removed |Added CC|

[Bug 205885] [Bisected] BUG: KASAN: null-ptr-deref in strncpy+0x3c/0x60

https://bugzilla.kernel.org/show_bug.cgi?id=205885 Michael Ellerman (mich...@ellerman.id.au) changed: What|Removed |Added Status|NEW |RESOLVED

[Bug 205885] [Bisected] BUG: KASAN: null-ptr-deref in strncpy+0x3c/0x60

https://bugzilla.kernel.org/show_bug.cgi?id=205885 Erhard F. (erhar...@mailbox.org) changed: What|Removed |Added Attachment #286345|0 |1 is obsolete|

[Bug 205885] [Bisected] BUG: KASAN: null-ptr-deref in strncpy+0x3c/0x60

https://bugzilla.kernel.org/show_bug.cgi?id=205885 --- Comment #5 from Erhard F. (erhar...@mailbox.org) --- Created attachment 286345 --> https://bugzilla.kernel.org/attachment.cgi?id=286345=edit bisect.log -- You are receiving this mail because: You are watching the assignee of the bug.

[Bug 205885] BUG: KASAN: null-ptr-deref in strncpy+0x3c/0x60

https://bugzilla.kernel.org/show_bug.cgi?id=205885 Erhard F. (erhar...@mailbox.org) changed: What|Removed |Added Attachment #286333|0 |1 is obsolete|

[Bug 205889] New: CONFIG_PPC_85xx with CONFIG_CORENET_GENERIC outputs uImage instead of zImage

https://bugzilla.kernel.org/show_bug.cgi?id=205889 Bug ID: 205889 Summary: CONFIG_PPC_85xx with CONFIG_CORENET_GENERIC outputs uImage instead of zImage Product: Platform Specific/Hardware Version: 2.5 Kernel Version: 5.5

[Bug 205885] BUG: KASAN: null-ptr-deref in strncpy+0x3c/0x60

https://bugzilla.kernel.org/show_bug.cgi?id=205885 --- Comment #3 from Erhard F. (erhar...@mailbox.org) --- 5.5-rc1 works with identical kernel .config. And on -rc2 I get that without KASAN as well. I'll do a bisect and report back. -- You are receiving this mail because: You are watching the

[Bug 205885] BUG: KASAN: null-ptr-deref in strncpy+0x3c/0x60

https://bugzilla.kernel.org/show_bug.cgi?id=205885 Christophe Leroy (christophe.le...@c-s.fr) changed: What|Removed |Added CC|

[Bug 205885] BUG: KASAN: null-ptr-deref in strncpy+0x3c/0x60

https://bugzilla.kernel.org/show_bug.cgi?id=205885 --- Comment #1 from Erhard F. (erhar...@mailbox.org) --- Created attachment 286333 --> https://bugzilla.kernel.org/attachment.cgi?id=286333=edit kernel .config (5.5-rc2, PowerMac G4 DP) -- You are receiving this mail because: You are watching

[Bug 205885] New: BUG: KASAN: null-ptr-deref in strncpy+0x3c/0x60

https://bugzilla.kernel.org/show_bug.cgi?id=205885 Bug ID: 205885 Summary: BUG: KASAN: null-ptr-deref in strncpy+0x3c/0x60 Product: Platform Specific/Hardware Version: 2.5 Kernel Version: 5.5-rc2 Hardware: PPC-32 OS: Linux

[Bug 205099] KASAN hit at raid6_pq: BUG: Unable to handle kernel data access at 0x00f0fd0d

https://bugzilla.kernel.org/show_bug.cgi?id=205099 --- Comment #8 from Erhard F. (erhar...@mailbox.org) --- Found out this is probably a cause for bug #205283. For doing some btrfs tests with 5.5-rc1 kernel I needed to disable KASAN in lib/raid6/Makefile (KASAN_SANITIZE := n) as btrfs pulls in

[Bug 205283] BUG: KASAN: global-out-of-bounds in _copy_to_iter+0x3d4/0x5a8

https://bugzilla.kernel.org/show_bug.cgi?id=205283 --- Comment #3 from Erhard F. (erhar...@mailbox.org) --- Steps to reproduce: 1.) Configure G4 kernel with KASAN enabled 2.) Disable KASAN in lib/raid6/Makefile with KASAN_SANITIZE := n (to allow the btrfs module to load) 3.) # modprobe -v btrfs

[Bug 205283] BUG: KASAN: global-out-of-bounds in _copy_to_iter+0x3d4/0x5a8

https://bugzilla.kernel.org/show_bug.cgi?id=205283 Erhard F. (erhar...@mailbox.org) changed: What|Removed |Added Kernel Version|5.4-rc4 |5.5-rc1 See

[Bug 205099] KASAN hit at raid6_pq: BUG: Unable to handle kernel data access at 0x00f0fd0d

https://bugzilla.kernel.org/show_bug.cgi?id=205099 --- Comment #7 from Erhard F. (erhar...@mailbox.org) --- I enabled DEBUG_STACKOVERFLOW in the kernel .config but I got no additional hints... Is there any other debugging option that could help? -- You are receiving this mail because: You are

[Bug 205099] KASAN hit at raid6_pq: BUG: Unable to handle kernel data access at 0x00f0fd0d

https://bugzilla.kernel.org/show_bug.cgi?id=205099 Christophe Leroy (christophe.le...@c-s.fr) changed: What|Removed |Added CC|

[Bug 205183] PPC64: Signal delivery fails with SIGSEGV if between about 1KB and 4KB bytes of stack remain

https://bugzilla.kernel.org/show_bug.cgi?id=205183 --- Comment #3 from Daniel Axtens (d...@axtens.net) --- I have a proposed patch at https://lore.kernel.org/linuxppc-dev/20191211014337.28128-1-...@axtens.net/T/#u -- You are receiving this mail because: You are watching the assignee of the bug.

[Bug 205099] KASAN hit at raid6_pq: BUG: Unable to handle kernel data access at 0x00f0fd0d

https://bugzilla.kernel.org/show_bug.cgi?id=205099 Erhard F. (erhar...@mailbox.org) changed: What|Removed |Added Kernel Version|5.4-rc1 |5.5-rc1 See

[Bug 205099] KASAN hit at raid6_pq: BUG: Unable to handle kernel data access at 0x00f0fd0d

https://bugzilla.kernel.org/show_bug.cgi?id=205099 Erhard F. (erhar...@mailbox.org) changed: What|Removed |Added Attachment #285367|0 |1 is obsolete|

[Bug 205099] KASAN hit at raid6_pq: BUG: Unable to handle kernel data access at 0x00f0fd0d

https://bugzilla.kernel.org/show_bug.cgi?id=205099 Erhard F. (erhar...@mailbox.org) changed: What|Removed |Added Attachment #285369|0 |1 is obsolete|

[Bug 205183] PPC64: Signal delivery fails with SIGSEGV if between about 1KB and 4KB bytes of stack remain

https://bugzilla.kernel.org/show_bug.cgi?id=205183 Daniel Axtens (d...@axtens.net) changed: What|Removed |Added CC||d...@axtens.net ---

[Bug 205201] Booting halts if Dawicontrol DC-2976 UW SCSI board installed, unless RAM size limited to 3500M

https://bugzilla.kernel.org/show_bug.cgi?id=205201 --- Comment #16 from Christian Zigotzky (chzigot...@xenosoft.de) --- Created attachment 286031 --> https://bugzilla.kernel.org/attachment.cgi?id=286031=edit dmesg of Christoph's Git kernel Christoph Hellwig wrote: I think we have two sorta

[Bug 205327] kmemleak reports various leaks in "swapper/0"

https://bugzilla.kernel.org/show_bug.cgi?id=205327 --- Comment #6 from Michael Ellerman (mich...@ellerman.id.au) --- I replied with directions on what to do. -- You are receiving this mail because: You are watching the assignee of the bug.

[Bug 205327] kmemleak reports various leaks in "swapper/0"

https://bugzilla.kernel.org/show_bug.cgi?id=205327 --- Comment #5 from Erhard F. (erhar...@mailbox.org) --- (In reply to Michael Ellerman from comment #3) > Do you want to send a patch? I already sent the patch to linuxppc-dev@lists.ozlabs.org (https://patchwork.ozlabs.org/patch/1195212/) but

[Bug 205183] PPC64: Signal delivery fails with SIGSEGV if between about 1KB and 4KB bytes of stack remain

https://bugzilla.kernel.org/show_bug.cgi?id=205183 Daniel Black (dan...@linux.ibm.com) changed: What|Removed |Added CC|

[Bug 205201] Booting halts if Dawicontrol DC-2976 UW SCSI board installed, unless RAM size limited to 3500M

https://bugzilla.kernel.org/show_bug.cgi?id=205201 --- Comment #15 from Christian Zigotzky (chzigot...@xenosoft.de) --- FYI: Souce files of the Dawicontrol DC 2976 UW SCSI board (PCI): https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/scsi/sym53c8xx_2?h=v5.4-rc7 /*

[Bug 205201] Booting halts if Dawicontrol DC-2976 UW SCSI board installed, unless RAM size limited to 3500M

https://bugzilla.kernel.org/show_bug.cgi?id=205201 --- Comment #14 from Christian Zigotzky (chzigot...@xenosoft.de) --- Created attachment 285889 --> https://bugzilla.kernel.org/attachment.cgi?id=285889=edit Patch for renaming the GFP_DMA32 to GFP_DMA Hi All, The issue with the BT878 TV cards

[Bug 205201] Booting halts if Dawicontrol DC-2976 UW SCSI board installed, unless RAM size limited to 3500M

https://bugzilla.kernel.org/show_bug.cgi?id=205201 --- Comment #13 from Christian Zigotzky (chzigot...@xenosoft.de) --- Christoph, Now, I can definitely say that this patch does not solve the issue. Do you have another patch for testing or shall I bisect? Thanks, Christian -- You are

[Bug 205201] Booting halts if Dawicontrol DC-2976 UW SCSI board installed, unless RAM size limited to 3500M

https://bugzilla.kernel.org/show_bug.cgi?id=205201 --- Comment #12 from Christian Zigotzky (chzigot...@xenosoft.de) --- Hi Christoph, I have seen that I have activated the kernel config option CONFIG_ARCH_DMA_ADDR_T_64BIT. That means your code in your patch won't work if this kernel option is

[Bug 205201] Booting halts if Dawicontrol DC-2976 UW SCSI board installed, unless RAM size limited to 3500M

https://bugzilla.kernel.org/show_bug.cgi?id=205201 --- Comment #11 from Christian Zigotzky (chzigot...@xenosoft.de) --- Christoph, Do you have another patch for testing or shall I bisect? Thanks, Christian -- You are receiving this mail because: You are watching the assignee of the bug.

[Bug 205201] Booting halts if Dawicontrol DC-2976 UW SCSI board installed, unless RAM size limited to 3500M

https://bugzilla.kernel.org/show_bug.cgi?id=205201 --- Comment #10 from Christian Zigotzky (chzigot...@xenosoft.de) --- Created attachment 285815 --> https://bugzilla.kernel.org/attachment.cgi?id=285815=edit Kernel 5.4-rc6 config for the Cyrus+ board and for the QEMU ppce500 board (CPU: P5040

[Bug 205201] Booting halts if Dawicontrol DC-2976 UW SCSI board installed, unless RAM size limited to 3500M

https://bugzilla.kernel.org/show_bug.cgi?id=205201 --- Comment #9 from Christian Zigotzky (chzigot...@xenosoft.de) --- Created attachment 285813 --> https://bugzilla.kernel.org/attachment.cgi?id=285813=edit dmesg fsl p5040 -- You are receiving this mail because: You are watching the assignee

[Bug 205201] Booting halts if Dawicontrol DC-2976 UW SCSI board installed, unless RAM size limited to 3500M

https://bugzilla.kernel.org/show_bug.cgi?id=205201 --- Comment #8 from Christian Zigotzky (chzigot...@xenosoft.de) --- Trace: [ 462.783184] Call Trace: [ 462.783187] [c001c6c67420] [c00b3358] .report_addr+0xb8/0xc0 (unreliable) [ 462.783192] [c001c6c67490] [c00b351c]

[Bug 205201] Booting halts if Dawicontrol DC-2976 UW SCSI board installed, unless RAM size limited to 3500M

https://bugzilla.kernel.org/show_bug.cgi?id=205201 --- Comment #7 from Christian Zigotzky (chzigot...@xenosoft.de) --- Unfortunately this patch doesn't solve the issue. Error message: [6.041163] bttv: driver version 0.9.19 loaded [6.041167] bttv: using 8 buffers with 2080k (520

[Bug 205201] Booting halts if Dawicontrol DC-2976 UW SCSI board installed, unless RAM size limited to 3500M

https://bugzilla.kernel.org/show_bug.cgi?id=205201 --- Comment #6 from Christian Zigotzky (chzigot...@xenosoft.de) --- FYI because of the issue with some PCI cards (SCSI, TV cards etc): Christoph Hellwig wrote: Can you send me the .config and a dmesg? And in the meantime try the patch below?

[Bug 205201] Booting halts if Dawicontrol DC-2976 UW SCSI board installed, unless RAM size limited to 3500M

https://bugzilla.kernel.org/show_bug.cgi?id=205201 --- Comment #5 from Christophe Leroy (christophe.le...@c-s.fr) --- I guess: git bisect bad 8d6973327 git bisect good v4.20 -- You are receiving this mail because: You are watching the assignee of the bug.

[Bug 205201] Booting halts if Dawicontrol DC-2976 UW SCSI board installed, unless RAM size limited to 3500M

https://bugzilla.kernel.org/show_bug.cgi?id=205201 --- Comment #4 from Christian Zigotzky (chzigot...@xenosoft.de) --- Yes, I can. Could you please post the correct commits for starting bisect? git bisect start git bisect good ? git bisect bad ? Thanks -- You are receiving this mail

[Bug 205201] Booting halts if Dawicontrol DC-2976 UW SCSI board installed, unless RAM size limited to 3500M

https://bugzilla.kernel.org/show_bug.cgi?id=205201 Christophe Leroy (christophe.le...@c-s.fr) changed: What|Removed |Added CC|

[Bug 205327] kmemleak reports various leaks in "swapper/0"

https://bugzilla.kernel.org/show_bug.cgi?id=205327 --- Comment #4 from Erhard F. (erhar...@mailbox.org) --- (In reply to Michael Ellerman from comment #3) > That looks like a pretty straight forward memory leak here: [...] > Do you want to send a patch? Thanks for pointing out! Yes, in this case

[Bug 205201] Booting halts if Dawicontrol DC-2976 UW SCSI board installed, unless RAM size limited to 3500M

https://bugzilla.kernel.org/show_bug.cgi?id=205201 --- Comment #2 from Christian Zigotzky (chzigot...@xenosoft.de) --- Error message without limitation to 3.5G RAM: [ 25.654852] bttv 1000:04:05.0: overflow 0xfe077000+4096 of DMA mask bus mask df00 The kernel configured

[Bug 205327] kmemleak reports various leaks in "swapper/0"

https://bugzilla.kernel.org/show_bug.cgi?id=205327 Michael Ellerman (mich...@ellerman.id.au) changed: What|Removed |Added Status|NEW |ASSIGNED

[Bug 205327] kmemleak reports various leaks in "swapper/0"

https://bugzilla.kernel.org/show_bug.cgi?id=205327 --- Comment #2 from Erhard F. (erhar...@mailbox.org) --- Created attachment 285661 --> https://bugzilla.kernel.org/attachment.cgi?id=285661=edit dmesg (kernel 5.4.0-rc4, PowerMac G5 7,3) -- You are receiving this mail because: You are

[Bug 205327] kmemleak reports various leaks in "swapper/0"

https://bugzilla.kernel.org/show_bug.cgi?id=205327 --- Comment #1 from Erhard F. (erhar...@mailbox.org) --- Created attachment 285659 --> https://bugzilla.kernel.org/attachment.cgi?id=285659=edit 5.4.0-rc4 kernel .config (PowerMac G5 7,3) -- You are receiving this mail because: You are

[Bug 205327] New: kmemleak reports various leaks in "swapper/0"

https://bugzilla.kernel.org/show_bug.cgi?id=205327 Bug ID: 205327 Summary: kmemleak reports various leaks in "swapper/0" Product: Platform Specific/Hardware Version: 2.5 Kernel Version: 5.4-rc4 Hardware: PPC-64 OS: Linux

[Bug 205303] Compilation for PPC64 fails on warning in watchdog.o

https://bugzilla.kernel.org/show_bug.cgi?id=205303 A. Wilcox (awil...@adelielinux.org) changed: What|Removed |Added CC|

[Bug 205303] Compilation for PPC64 fails on warning in watchdog.o

https://bugzilla.kernel.org/show_bug.cgi?id=205303 --- Comment #1 from Edward Swiftwood (payphon...@gmail.com) --- I failed to mention, the machine is an Apple iMac G5 "PowerMac8,1", PPC970FX @ 1600MHz. (https://everymac.com/systems/apple/imac/specs/imac_g5_1.6_17.html) -- You are receiving

[Bug 205303] New: Compilation for PPC64 fails on warning in watchdog.o

https://bugzilla.kernel.org/show_bug.cgi?id=205303 Bug ID: 205303 Summary: Compilation for PPC64 fails on warning in watchdog.o Product: Platform Specific/Hardware Version: 2.5 Kernel Version: 5.3.7 Hardware: PPC-64 OS:

[Bug 205283] BUG: KASAN: global-out-of-bounds in _copy_to_iter+0x3d4/0x5a8

https://bugzilla.kernel.org/show_bug.cgi?id=205283 --- Comment #1 from Erhard F. (erhar...@mailbox.org) --- Created attachment 285607 --> https://bugzilla.kernel.org/attachment.cgi?id=285607=edit 5.4.0-rc4 kernel .config (PowerMac G4 DP) -- You are receiving this mail because: You are

[Bug 205283] New: BUG: KASAN: global-out-of-bounds in _copy_to_iter+0x3d4/0x5a8

https://bugzilla.kernel.org/show_bug.cgi?id=205283 Bug ID: 205283 Summary: BUG: KASAN: global-out-of-bounds in _copy_to_iter+0x3d4/0x5a8 Product: File System Version: 2.5 Kernel Version: 5.4-rc4 Hardware: PPC-32

[Bug 199561] sungem: RX MAC fifo overflow smac[03910440]

https://bugzilla.kernel.org/show_bug.cgi?id=199561 Erhard F. (erhar...@mailbox.org) changed: What|Removed |Added CC|

[Bug 201723] THERM_WINDTUNNEL not working any longer in kernel 4.19.x (PowerMac G4 MDD)

https://bugzilla.kernel.org/show_bug.cgi?id=201723 --- Comment #4 from Erhard F. (erhar...@mailbox.org) --- Created attachment 285535 --> https://bugzilla.kernel.org/attachment.cgi?id=285535=edit bisect.log Final bisect commit. It's not a bug, it's a feature. :( # git bisect bad | tee -a

[Bug 205201] Booting halts if Dawicontrol DC-2976 UW SCSI board installed, unless RAM size limited to 3500M

https://bugzilla.kernel.org/show_bug.cgi?id=205201 --- Comment #1 from Christian Zigotzky (chzigot...@xenosoft.de) --- I have the same problem with my analog PCI TV card Typhoon TView RDS + FM Stereo (BT878 chip) in my AmigaOne X5000. It only works with reducing the mem size to 3500MB

[Bug 205201] New: Booting halts if Dawicontrol DC-2976 UW SCSI board installed, unless RAM size limited to 3500M

https://bugzilla.kernel.org/show_bug.cgi?id=205201 Bug ID: 205201 Summary: Booting halts if Dawicontrol DC-2976 UW SCSI board installed, unless RAM size limited to 3500M Product: Platform Specific/Hardware Version: 2.5 Kernel

[Bug 205183] New: PPC64: Signal delivery fails with SIGSEGV if between about 1KB and 4KB bytes of stack remain

https://bugzilla.kernel.org/show_bug.cgi?id=205183 Bug ID: 205183 Summary: PPC64: Signal delivery fails with SIGSEGV if between about 1KB and 4KB bytes of stack remain Product: Platform Specific/Hardware Version: 2.5 Kernel

[Bug 205099] KASAN hit at raid6_pq: BUG: Unable to handle kernel data access at 0x00f0fd0d

https://bugzilla.kernel.org/show_bug.cgi?id=205099 --- Comment #2 from Erhard F. (erhar...@mailbox.org) --- As a side effect of this bug the btrfs module fails to load. If btrfs is not built as a module, but built into the kernel the machine fails to boot. Btrfs behaves normal again when I set

[Bug 204479] KASAN hit at modprobe zram

https://bugzilla.kernel.org/show_bug.cgi?id=204479 Erhard F. (erhar...@mailbox.org) changed: What|Removed |Added Status|NEW |RESOLVED

[Bug 200449] WARNING: CPU: 1 PID: 1 at arch/powerpc/platforms/powermac/time.c:154 .pmu_get_time+0x9c/0xd0

https://bugzilla.kernel.org/show_bug.cgi?id=200449 Erhard F. (erhar...@mailbox.org) changed: What|Removed |Added Status|NEW |RESOLVED

[Bug 205099] KASAN hit at raid6_pq: BUG: Unable to handle kernel data access at 0x00f0fd0d

https://bugzilla.kernel.org/show_bug.cgi?id=205099 --- Comment #1 from Erhard F. (erhar...@mailbox.org) --- Created attachment 285369 --> https://bugzilla.kernel.org/attachment.cgi?id=285369=edit kernel .config (5.4-rc1, PowerMac G4 DP) -- You are receiving this mail because: You are watching

[Bug 205099] New: KASAN hit at raid6_pq: BUG: Unable to handle kernel data access at 0x00f0fd0d

https://bugzilla.kernel.org/show_bug.cgi?id=205099 Bug ID: 205099 Summary: KASAN hit at raid6_pq: BUG: Unable to handle kernel data access at 0x00f0fd0d Product: Platform Specific/Hardware Version: 2.5 Kernel Version: 5.4-rc1

[Bug 204789] Boot failure with more than 256G of memory on Power9 with 4K pages & Hash MMU

https://bugzilla.kernel.org/show_bug.cgi?id=204789 Samuel Holland (sam...@sholland.org) changed: What|Removed |Added CC|

[Bug 204789] Boot failure with more than 256G of memory on Power9 with 4K pages & Hash MMU

https://bugzilla.kernel.org/show_bug.cgi?id=204789 --- Comment #11 from Cameron (c...@neo-zeon.de) --- grep RAM /proc/iomem -3f : System RAM The system has 16 dimm slots, all are populated. Unfortunately, I will not have physical to access to the box in the foreseeable future.

[Bug 204789] Boot failure with more than 256G of memory on Power9 with 4K pages & Hash MMU

https://bugzilla.kernel.org/show_bug.cgi?id=204789 --- Comment #10 from Michael Ellerman (mich...@ellerman.id.au) --- Can you boot a good kernel and do: $ sudo grep RAM /proc/iomem And paste the output. Just to confirm what your memory layout is. What arrangement of DIMMs do you have? It's

[Bug 204789] Boot failure with more than 256G of memory on POWER/ppc64

https://bugzilla.kernel.org/show_bug.cgi?id=204789 Michael Ellerman (mich...@ellerman.id.au) changed: What|Removed |Added Status|NEW |ASSIGNED --

[Bug 204789] Boot failure with more than 256G of memory on POWER/ppc64

https://bugzilla.kernel.org/show_bug.cgi?id=204789 Michael Ellerman (mich...@ellerman.id.au) changed: What|Removed |Added CC|

[Bug 195755] rcu_sched detected stalls on CPUs/tasks: (detected by 0, t=6302 jiffies, g=11405, c=11404, q=1880), ppc64, G5

https://bugzilla.kernel.org/show_bug.cgi?id=195755 Erhard F. (erhar...@mailbox.org) changed: What|Removed |Added Status|CLOSED |REOPENED

[Bug 195755] rcu_sched detected stalls on CPUs/tasks: (detected by 0, t=6302 jiffies, g=11405, c=11404, q=1880), ppc64, G5

https://bugzilla.kernel.org/show_bug.cgi?id=195755 Martin Zaharinov (micro...@gmail.com) changed: What|Removed |Added CC|

[Bug 195755] rcu_sched detected stalls on CPUs/tasks: (detected by 0, t=6302 jiffies, g=11405, c=11404, q=1880), ppc64, G5

https://bugzilla.kernel.org/show_bug.cgi?id=195755 Erhard F. (erhar...@mailbox.org) changed: What|Removed |Added Status|NEEDINFO|CLOSED

[Bug 204819] KASAN still got problems loading some modules at boot

https://bugzilla.kernel.org/show_bug.cgi?id=204819 Michael Ellerman (mich...@ellerman.id.au) changed: What|Removed |Added CC|

[Bug 204819] KASAN still got problems loading some modules at boot

https://bugzilla.kernel.org/show_bug.cgi?id=204819 Erhard F. (erhar...@mailbox.org) changed: What|Removed |Added Status|NEW |RESOLVED

[Bug 204819] KASAN still got problems loading some modules at boot

https://bugzilla.kernel.org/show_bug.cgi?id=204819 --- Comment #24 from Christophe Leroy (christophe.le...@c-s.fr) --- Do you confirm that the two patches done in the scope of bug #204479 are included in your config, especially the first one:

[Bug 204819] KASAN still got problems loading some modules at boot

https://bugzilla.kernel.org/show_bug.cgi?id=204819 --- Comment #23 from Christophe Leroy (christophe.le...@c-s.fr) --- Thanks. The third one is interesting, as it shows : Sep 16 12:57:39 T600 kernel: BUG: Unable to handle kernel data access at 0xfe295404 0xfe295000-0xfe295fff 0x00d05000

[Bug 204819] KASAN still got problems loading some modules at boot

https://bugzilla.kernel.org/show_bug.cgi?id=204819 --- Comment #22 from Erhard F. (erhar...@mailbox.org) --- (In reply to Christophe Leroy from comment #11) > I have carefully reviewed the flushing calls and have not been able to > identify any issue. > > Maybe a SMP issue ? Does this problem

[Bug 204819] KASAN still got problems loading some modules at boot

https://bugzilla.kernel.org/show_bug.cgi?id=204819 --- Comment #21 from Erhard F. (erhar...@mailbox.org) --- Created attachment 285009 --> https://bugzilla.kernel.org/attachment.cgi?id=285009=edit objdump ehci-pci v3 (5.3-rc8 + ptdump patch, NO SMP) -- You are receiving this mail because: You

[Bug 204819] KASAN still got problems loading some modules at boot

https://bugzilla.kernel.org/show_bug.cgi?id=204819 --- Comment #20 from Erhard F. (erhar...@mailbox.org) --- Created attachment 285007 --> https://bugzilla.kernel.org/attachment.cgi?id=285007=edit objdump firewire-ohci v3 (5.3-rc8 + ptdump patch, NO SMP) -- You are receiving this mail

[Bug 204819] KASAN still got problems loading some modules at boot

https://bugzilla.kernel.org/show_bug.cgi?id=204819 --- Comment #19 from Erhard F. (erhar...@mailbox.org) --- Created attachment 285005 --> https://bugzilla.kernel.org/attachment.cgi?id=285005=edit objdump ohci-hcd v3 (5.3-rc8 + ptdump patch, NO SMP) -- You are receiving this mail because: You

[Bug 204819] KASAN still got problems loading some modules at boot

https://bugzilla.kernel.org/show_bug.cgi?id=204819 --- Comment #18 from Erhard F. (erhar...@mailbox.org) --- Created attachment 285003 --> https://bugzilla.kernel.org/attachment.cgi?id=285003=edit objdump usbcore v3 (5.3-rc8 + ptdump patch, NO SMP) -- You are receiving this mail because: You

[Bug 204819] KASAN still got problems loading some modules at boot

https://bugzilla.kernel.org/show_bug.cgi?id=204819 --- Comment #17 from Erhard F. (erhar...@mailbox.org) --- Created attachment 285001 --> https://bugzilla.kernel.org/attachment.cgi?id=285001=edit kernel_page_tables v3 (5.3-rc8 + ptdump patch, NO SMP) -- You are receiving this mail because:

[Bug 204819] KASAN still got problems loading some modules at boot

https://bugzilla.kernel.org/show_bug.cgi?id=204819 --- Comment #16 from Erhard F. (erhar...@mailbox.org) --- Created attachment 284999 --> https://bugzilla.kernel.org/attachment.cgi?id=284999=edit dmesg v3 (5.3-rc8 + ptdump patch, NO SMP) -- You are receiving this mail because: You are

[Bug 204819] KASAN still got problems loading some modules at boot

https://bugzilla.kernel.org/show_bug.cgi?id=204819 --- Comment #15 from Erhard F. (erhar...@mailbox.org) --- Created attachment 284997 --> https://bugzilla.kernel.org/attachment.cgi?id=284997=edit objdump usbcore v2 (5.3-rc8 + ptdump patch) -- You are receiving this mail because: You are

[Bug 204819] KASAN still got problems loading some modules at boot

https://bugzilla.kernel.org/show_bug.cgi?id=204819 --- Comment #14 from Erhard F. (erhar...@mailbox.org) --- Created attachment 284995 --> https://bugzilla.kernel.org/attachment.cgi?id=284995=edit objdump firewire-ohci v2 (5.3-rc8 + ptdump patch) -- You are receiving this mail because: You

[Bug 204819] KASAN still got problems loading some modules at boot

https://bugzilla.kernel.org/show_bug.cgi?id=204819 --- Comment #13 from Erhard F. (erhar...@mailbox.org) --- Created attachment 284993 --> https://bugzilla.kernel.org/attachment.cgi?id=284993=edit kernel_page_tables v2 (5.3-rc8 + ptdump patch) -- You are receiving this mail because: You are

[Bug 204819] KASAN still got problems loading some modules at boot

https://bugzilla.kernel.org/show_bug.cgi?id=204819 --- Comment #12 from Erhard F. (erhar...@mailbox.org) --- Created attachment 284991 --> https://bugzilla.kernel.org/attachment.cgi?id=284991=edit dmesg v2 (5.3-rc8 + ptdump patch) -- You are receiving this mail because: You are watching the

[Bug 204819] KASAN still got problems loading some modules at boot

https://bugzilla.kernel.org/show_bug.cgi?id=204819 --- Comment #11 from Christophe Leroy (christophe.le...@c-s.fr) --- I have carefully reviewed the flushing calls and have not been able to identify any issue. Maybe a SMP issue ? Does this problem also happen without CONFIG_SMP ? -- You are

[Bug 204819] KASAN still got problems loading some modules at boot

https://bugzilla.kernel.org/show_bug.cgi?id=204819 --- Comment #10 from Christophe Leroy (christophe.le...@c-s.fr) --- No no, what I mean by 'manually fixed kernel_page_tables' is that I fixed the file you attached so that it has the same values as what it would have had with the patch applied.

[Bug 204819] KASAN still got problems loading some modules at boot

https://bugzilla.kernel.org/show_bug.cgi?id=204819 --- Comment #9 from Erhard F. (erhar...@mailbox.org) --- I can apply the patch but how do I apply the manually fixed kernel_page_tables? Not quite sure how to proceed. -- You are receiving this mail because: You are watching the assignee of the

[Bug 204819] KASAN still got problems loading some modules at boot

https://bugzilla.kernel.org/show_bug.cgi?id=204819 --- Comment #8 from Christophe Leroy (christophe.le...@c-s.fr) --- You get: Sep 13 17:43:49 T600 kernel: BUG: Unable to handle kernel data access at 0xfe205150 However this area is properly mapped RW: 0xfe205000-0xfe205fff 0x297d6000

[Bug 204819] KASAN still got problems loading some modules at boot

https://bugzilla.kernel.org/show_bug.cgi?id=204819 --- Comment #7 from Christophe Leroy (christophe.le...@c-s.fr) --- Created attachment 284961 --> https://bugzilla.kernel.org/attachment.cgi?id=284961=edit Manually fixed kernel_page_tables -- You are receiving this mail because: You are

[Bug 204819] KASAN still got problems loading some modules at boot

https://bugzilla.kernel.org/show_bug.cgi?id=204819 --- Comment #6 from Christophe Leroy (christophe.le...@c-s.fr) --- Aaarrgghhh ! kernel_page_tables addresses are wrong. Ok, I'll manage. For next time, please apply

[Bug 204819] KASAN still got problems loading some modules at boot

https://bugzilla.kernel.org/show_bug.cgi?id=204819 --- Comment #5 from Erhard F. (erhar...@mailbox.org) --- Created attachment 284953 --> https://bugzilla.kernel.org/attachment.cgi?id=284953=edit objdump sungem (5.3-rc8, PowerMac G4 DP) -- You are receiving this mail because: You are watching

[Bug 204819] KASAN still got problems loading some modules at boot

https://bugzilla.kernel.org/show_bug.cgi?id=204819 --- Comment #4 from Erhard F. (erhar...@mailbox.org) --- Created attachment 284951 --> https://bugzilla.kernel.org/attachment.cgi?id=284951=edit kernel_page_tables (5.3-rc8, PowerMac G4 DP) -- You are receiving this mail because: You are

[Bug 204819] KASAN still got problems loading some modules at boot

https://bugzilla.kernel.org/show_bug.cgi?id=204819 Erhard F. (erhar...@mailbox.org) changed: What|Removed |Added Attachment #284931|0 |1 is obsolete|

[Bug 204819] KASAN still got problems loading some modules at boot

https://bugzilla.kernel.org/show_bug.cgi?id=204819 Christophe Leroy (christophe.le...@c-s.fr) changed: What|Removed |Added CC|

[Bug 204819] KASAN still got problems loading some modules at boot

https://bugzilla.kernel.org/show_bug.cgi?id=204819 --- Comment #1 from Erhard F. (erhar...@mailbox.org) --- Created attachment 284933 --> https://bugzilla.kernel.org/attachment.cgi?id=284933=edit kernel .config (5.3-rc8, PowerMac G4 DP) -- You are receiving this mail because: You are watching

[Bug 204819] New: KASAN still got problems loading some modules at boot

https://bugzilla.kernel.org/show_bug.cgi?id=204819 Bug ID: 204819 Summary: KASAN still got problems loading some modules at boot Product: Platform Specific/Hardware Version: 2.5 Kernel Version: 5.3-rc8 Hardware: PPC-32 OS:

[Bug 204125] FTBFS on ppc64 big endian and gcc9 because of -mcall-aixdesc and missing __linux__

https://bugzilla.kernel.org/show_bug.cgi?id=204125 Daniel Kolesa (li...@octaforge.org) changed: What|Removed |Added Status|NEW |RESOLVED

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