Re: [PATCH 00 of 11] x86: separate pmd lifetime from pgd
Ingo Molnar wrote: and after a session of bisection, the winner patch is: Subject: x86: unify PAE/non-PAE pgd_ctor which is a tad unexpected, given the relatively harmless nature of the patch. (but then again, nothing is really harmless in PAE land.) Oh, well, good. At least off-the-cuff diagnosis was right. I must have overlooked some detail in that merge. btw., this is not fair i think: your patch was apparently caught by the new debugging helper that tells about itself here: [ 29.389872] debug: unmapping init memory c0b03000..c0b6f000 note the close proximity of c0b6f000 and ebx = c0b6fc08. [ I regularly come up with such nasty tricks and debugging helpers like that to catch bad patches off-guard. You have been warned! ;-) ] Hm, perhaps, but it could be as easily coincidence. The place there initmem is freed is close to where it first needs to rely on a non-initmm pagetable. I presume that message means that c0b6f000 was *not* freed. J -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [PATCH 00 of 11] x86: separate pmd lifetime from pgd
* Ingo Molnar <[EMAIL PROTECTED]> wrote: > and after a session of bisection, the winner patch is: > > Subject: x86: unify PAE/non-PAE pgd_ctor > > which is a tad unexpected, given the relatively harmless nature of the > patch. (but then again, nothing is really harmless in PAE land.) ok, i merged up your series with this patch removed. (it was possible with a few manual fixups) That way the problem .config boots fine. Ingo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [PATCH 00 of 11] x86: separate pmd lifetime from pgd
* Ingo Molnar <[EMAIL PROTECTED]> wrote: > hm, i tried this, and got an early crash: > > [ 29.389844] VFS: Mounted root (ext3 filesystem) readonly. > [ 29.389872] debug: unmapping init memory c0b03000..c0b6f000 > [ 29.440139] PM: Adding info for No Bus:vcs1 > [ 29.463676] khelper used greatest stack depth: 2404 bytes left > [ 29.467238] PM: Adding info for No Bus:vcsa1 > [ 29.541785] PANIC: double fault, gdt at c1d16000 [255 bytes] > [ 29.541785] double fault, tss at c1d19100 > [ 29.541785] eip = c011fa95, esp = c3bf6000 > [ 29.541785] eax = c3bf6010, ebx = c0b6fc08, ecx = 007b, edx = > [ 29.541785] esi = f76a7df4, edi = c011fa90 > > i think it's one of your patches :) Bisecting it down to the right one > now. Config attached. and after a session of bisection, the winner patch is: Subject: x86: unify PAE/non-PAE pgd_ctor which is a tad unexpected, given the relatively harmless nature of the patch. (but then again, nothing is really harmless in PAE land.) btw., this is not fair i think: your patch was apparently caught by the new debugging helper that tells about itself here: > [ 29.389872] debug: unmapping init memory c0b03000..c0b6f000 note the close proximity of c0b6f000 and ebx = c0b6fc08. [ I regularly come up with such nasty tricks and debugging helpers like that to catch bad patches off-guard. You have been warned! ;-) ] Ingo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [PATCH 00 of 11] x86: separate pmd lifetime from pgd
Ingo Molnar wrote: * Jeremy Fitzhardinge <[EMAIL PROTECTED]> wrote: This series addresses various cleanups in pagetable allocation in the direction of unifying 32/64 bits (that's still a while off yet). hm, i tried this, and got an early crash: [ 29.389844] VFS: Mounted root (ext3 filesystem) readonly. [ 29.389872] debug: unmapping init memory c0b03000..c0b6f000 [ 29.440139] PM: Adding info for No Bus:vcs1 [ 29.463676] khelper used greatest stack depth: 2404 bytes left [ 29.467238] PM: Adding info for No Bus:vcsa1 [ 29.541785] PANIC: double fault, gdt at c1d16000 [255 bytes] [ 29.541785] double fault, tss at c1d19100 [ 29.541785] eip = c011fa95, esp = c3bf6000 [ 29.541785] eax = c3bf6010, ebx = c0b6fc08, ecx = 007b, edx = [ 29.541785] esi = f76a7df4, edi = c011fa90 i think it's one of your patches :) Bisecting it down to the right one now. Wouldn't surprise me. Given that its a non-PAE config, most of the patches won't be in play, but perhaps I screwed up coping the kernel pagetable entries into the pgd somehow. J -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [PATCH 00 of 11] x86: separate pmd lifetime from pgd
* Jeremy Fitzhardinge <[EMAIL PROTECTED]> wrote: > This series addresses various cleanups in pagetable allocation in the > direction of unifying 32/64 bits (that's still a while off yet). hm, i tried this, and got an early crash: [ 29.389844] VFS: Mounted root (ext3 filesystem) readonly. [ 29.389872] debug: unmapping init memory c0b03000..c0b6f000 [ 29.440139] PM: Adding info for No Bus:vcs1 [ 29.463676] khelper used greatest stack depth: 2404 bytes left [ 29.467238] PM: Adding info for No Bus:vcsa1 [ 29.541785] PANIC: double fault, gdt at c1d16000 [255 bytes] [ 29.541785] double fault, tss at c1d19100 [ 29.541785] eip = c011fa95, esp = c3bf6000 [ 29.541785] eax = c3bf6010, ebx = c0b6fc08, ecx = 007b, edx = [ 29.541785] esi = f76a7df4, edi = c011fa90 i think it's one of your patches :) Bisecting it down to the right one now. Config attached. Ingo # # Automatically generated make config: don't edit # Linux kernel version: 2.6.24 # Mon Jan 28 16:01:11 2008 # # CONFIG_64BIT is not set CONFIG_X86_32=y # CONFIG_X86_64 is not set CONFIG_X86=y # CONFIG_GENERIC_LOCKBREAK is not set CONFIG_GENERIC_TIME=y CONFIG_GENERIC_CMOS_UPDATE=y CONFIG_CLOCKSOURCE_WATCHDOG=y CONFIG_GENERIC_CLOCKEVENTS=y CONFIG_GENERIC_CLOCKEVENTS_BROADCAST=y CONFIG_LOCKDEP_SUPPORT=y CONFIG_STACKTRACE_SUPPORT=y CONFIG_SEMAPHORE_SLEEPERS=y CONFIG_MMU=y CONFIG_ZONE_DMA=y CONFIG_QUICKLIST=y CONFIG_GENERIC_ISA_DMA=y CONFIG_GENERIC_IOMAP=y CONFIG_GENERIC_BUG=y CONFIG_GENERIC_HWEIGHT=y # CONFIG_GENERIC_GPIO is not set CONFIG_ARCH_MAY_HAVE_PC_FDC=y CONFIG_DMI=y # CONFIG_RWSEM_GENERIC_SPINLOCK is not set CONFIG_RWSEM_XCHGADD_ALGORITHM=y # CONFIG_ARCH_HAS_ILOG2_U32 is not set # CONFIG_ARCH_HAS_ILOG2_U64 is not set CONFIG_GENERIC_CALIBRATE_DELAY=y # CONFIG_GENERIC_TIME_VSYSCALL is not set # CONFIG_HAVE_SETUP_PER_CPU_AREA is not set CONFIG_ARCH_SUPPORTS_OPROFILE=y # CONFIG_ZONE_DMA32 is not set CONFIG_ARCH_POPULATES_NODE_MAP=y # CONFIG_AUDIT_ARCH is not set CONFIG_GENERIC_HARDIRQS=y CONFIG_GENERIC_IRQ_PROBE=y CONFIG_GENERIC_PENDING_IRQ=y CONFIG_X86_SMP=y CONFIG_X86_32_SMP=y CONFIG_X86_HT=y CONFIG_X86_BIOS_REBOOT=y CONFIG_X86_TRAMPOLINE=y CONFIG_KTIME_SCALAR=y # CONFIG_BOOTPARAM_SUPPORT is not set CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" # # General setup # CONFIG_EXPERIMENTAL=y CONFIG_LOCK_KERNEL=y CONFIG_INIT_ENV_ARG_LIMIT=32 CONFIG_LOCALVERSION="" CONFIG_LOCALVERSION_AUTO=y CONFIG_SWAP=y # CONFIG_SYSVIPC is not set # CONFIG_POSIX_MQUEUE is not set # CONFIG_BSD_PROCESS_ACCT is not set CONFIG_TASKSTATS=y CONFIG_TASK_DELAY_ACCT=y # CONFIG_TASK_XACCT is not set # CONFIG_USER_NS is not set # CONFIG_PID_NS is not set # CONFIG_AUDIT is not set # CONFIG_IKCONFIG is not set CONFIG_LOG_BUF_SHIFT=20 CONFIG_CGROUPS=y CONFIG_CGROUP_DEBUG=y CONFIG_CGROUP_NS=y # CONFIG_CPUSETS is not set CONFIG_FAIR_GROUP_SCHED=y # CONFIG_FAIR_USER_SCHED is not set CONFIG_FAIR_CGROUP_SCHED=y # CONFIG_CGROUP_CPUACCT is not set CONFIG_SYSFS_DEPRECATED=y # CONFIG_RELAY is not set CONFIG_BLK_DEV_INITRD=y CONFIG_INITRAMFS_SOURCE="" # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set CONFIG_SYSCTL=y # CONFIG_EMBEDDED is not set CONFIG_UID16=y CONFIG_SYSCTL_SYSCALL=y CONFIG_KALLSYMS=y CONFIG_KALLSYMS_ALL=y CONFIG_KALLSYMS_EXTRA_PASS=y CONFIG_HOTPLUG=y CONFIG_PRINTK=y CONFIG_BUG=y CONFIG_ELF_CORE=y CONFIG_BASE_FULL=y CONFIG_FUTEX=y CONFIG_ANON_INODES=y CONFIG_EPOLL=y CONFIG_SIGNALFD=y CONFIG_EVENTFD=y CONFIG_SHMEM=y CONFIG_VM_EVENT_COUNTERS=y CONFIG_SLAB=y # CONFIG_SLUB is not set # CONFIG_SLOB is not set CONFIG_SLABINFO=y CONFIG_RT_MUTEXES=y # CONFIG_TINY_SHMEM is not set CONFIG_BASE_SMALL=0 # CONFIG_MODULES is not set CONFIG_STOP_MACHINE=y CONFIG_BLOCK=y CONFIG_LBD=y # CONFIG_BLK_DEV_IO_TRACE is not set CONFIG_LSF=y # CONFIG_BLK_DEV_BSG is not set # # IO Schedulers # CONFIG_IOSCHED_NOOP=y CONFIG_IOSCHED_AS=y CONFIG_IOSCHED_DEADLINE=y # CONFIG_IOSCHED_CFQ is not set # CONFIG_DEFAULT_AS is not set CONFIG_DEFAULT_DEADLINE=y # CONFIG_DEFAULT_CFQ is not set # CONFIG_DEFAULT_NOOP is not set CONFIG_DEFAULT_IOSCHED="deadline" CONFIG_CLASSIC_RCU=y # CONFIG_PREEMPT_RCU is not set # # Processor type and features # CONFIG_TICK_ONESHOT=y # CONFIG_NO_HZ is not set CONFIG_HIGH_RES_TIMERS=y CONFIG_GENERIC_CLOCKEVENTS_BUILD=y CONFIG_SMP=y CONFIG_X86_PC=y # CONFIG_X86_ELAN is not set # CONFIG_X86_VOYAGER is not set # CONFIG_X86_NUMAQ is not set # CONFIG_X86_SUMMIT is not set # CONFIG_X86_BIGSMP is not set # CONFIG_X86_VISWS is not set # CONFIG_X86_GENERICARCH is not set # CONFIG_X86_ES7000 is not set # CONFIG_X86_RDC321X is not set # CONFIG_X86_VSMP is not set CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y # CONFIG_PARAVIRT_GUEST is not set # CONFIG_M386 is not set CONFIG_M486=y # CONFIG_M586 is not set # CONFIG_M586TSC is not set # CONFIG_M586MMX is not set # CONFIG_M686 is not set # CONFIG_MPENTIUMII is not set # CONFIG_MPENTIUMIII is not set # CONFIG_MPENTIUMM is not set # CONFIG_MPENTIUM4 is not set # CONFIG_MK6 is not set # CONFIG_MK7 is not set #
Re: [PATCH 00 of 11] x86: separate pmd lifetime from pgd
* Jeremy Fitzhardinge [EMAIL PROTECTED] wrote: This series addresses various cleanups in pagetable allocation in the direction of unifying 32/64 bits (that's still a while off yet). hm, i tried this, and got an early crash: [ 29.389844] VFS: Mounted root (ext3 filesystem) readonly. [ 29.389872] debug: unmapping init memory c0b03000..c0b6f000 [ 29.440139] PM: Adding info for No Bus:vcs1 [ 29.463676] khelper used greatest stack depth: 2404 bytes left [ 29.467238] PM: Adding info for No Bus:vcsa1 [ 29.541785] PANIC: double fault, gdt at c1d16000 [255 bytes] [ 29.541785] double fault, tss at c1d19100 [ 29.541785] eip = c011fa95, esp = c3bf6000 [ 29.541785] eax = c3bf6010, ebx = c0b6fc08, ecx = 007b, edx = [ 29.541785] esi = f76a7df4, edi = c011fa90 i think it's one of your patches :) Bisecting it down to the right one now. Config attached. Ingo # # Automatically generated make config: don't edit # Linux kernel version: 2.6.24 # Mon Jan 28 16:01:11 2008 # # CONFIG_64BIT is not set CONFIG_X86_32=y # CONFIG_X86_64 is not set CONFIG_X86=y # CONFIG_GENERIC_LOCKBREAK is not set CONFIG_GENERIC_TIME=y CONFIG_GENERIC_CMOS_UPDATE=y CONFIG_CLOCKSOURCE_WATCHDOG=y CONFIG_GENERIC_CLOCKEVENTS=y CONFIG_GENERIC_CLOCKEVENTS_BROADCAST=y CONFIG_LOCKDEP_SUPPORT=y CONFIG_STACKTRACE_SUPPORT=y CONFIG_SEMAPHORE_SLEEPERS=y CONFIG_MMU=y CONFIG_ZONE_DMA=y CONFIG_QUICKLIST=y CONFIG_GENERIC_ISA_DMA=y CONFIG_GENERIC_IOMAP=y CONFIG_GENERIC_BUG=y CONFIG_GENERIC_HWEIGHT=y # CONFIG_GENERIC_GPIO is not set CONFIG_ARCH_MAY_HAVE_PC_FDC=y CONFIG_DMI=y # CONFIG_RWSEM_GENERIC_SPINLOCK is not set CONFIG_RWSEM_XCHGADD_ALGORITHM=y # CONFIG_ARCH_HAS_ILOG2_U32 is not set # CONFIG_ARCH_HAS_ILOG2_U64 is not set CONFIG_GENERIC_CALIBRATE_DELAY=y # CONFIG_GENERIC_TIME_VSYSCALL is not set # CONFIG_HAVE_SETUP_PER_CPU_AREA is not set CONFIG_ARCH_SUPPORTS_OPROFILE=y # CONFIG_ZONE_DMA32 is not set CONFIG_ARCH_POPULATES_NODE_MAP=y # CONFIG_AUDIT_ARCH is not set CONFIG_GENERIC_HARDIRQS=y CONFIG_GENERIC_IRQ_PROBE=y CONFIG_GENERIC_PENDING_IRQ=y CONFIG_X86_SMP=y CONFIG_X86_32_SMP=y CONFIG_X86_HT=y CONFIG_X86_BIOS_REBOOT=y CONFIG_X86_TRAMPOLINE=y CONFIG_KTIME_SCALAR=y # CONFIG_BOOTPARAM_SUPPORT is not set CONFIG_DEFCONFIG_LIST=/lib/modules/$UNAME_RELEASE/.config # # General setup # CONFIG_EXPERIMENTAL=y CONFIG_LOCK_KERNEL=y CONFIG_INIT_ENV_ARG_LIMIT=32 CONFIG_LOCALVERSION= CONFIG_LOCALVERSION_AUTO=y CONFIG_SWAP=y # CONFIG_SYSVIPC is not set # CONFIG_POSIX_MQUEUE is not set # CONFIG_BSD_PROCESS_ACCT is not set CONFIG_TASKSTATS=y CONFIG_TASK_DELAY_ACCT=y # CONFIG_TASK_XACCT is not set # CONFIG_USER_NS is not set # CONFIG_PID_NS is not set # CONFIG_AUDIT is not set # CONFIG_IKCONFIG is not set CONFIG_LOG_BUF_SHIFT=20 CONFIG_CGROUPS=y CONFIG_CGROUP_DEBUG=y CONFIG_CGROUP_NS=y # CONFIG_CPUSETS is not set CONFIG_FAIR_GROUP_SCHED=y # CONFIG_FAIR_USER_SCHED is not set CONFIG_FAIR_CGROUP_SCHED=y # CONFIG_CGROUP_CPUACCT is not set CONFIG_SYSFS_DEPRECATED=y # CONFIG_RELAY is not set CONFIG_BLK_DEV_INITRD=y CONFIG_INITRAMFS_SOURCE= # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set CONFIG_SYSCTL=y # CONFIG_EMBEDDED is not set CONFIG_UID16=y CONFIG_SYSCTL_SYSCALL=y CONFIG_KALLSYMS=y CONFIG_KALLSYMS_ALL=y CONFIG_KALLSYMS_EXTRA_PASS=y CONFIG_HOTPLUG=y CONFIG_PRINTK=y CONFIG_BUG=y CONFIG_ELF_CORE=y CONFIG_BASE_FULL=y CONFIG_FUTEX=y CONFIG_ANON_INODES=y CONFIG_EPOLL=y CONFIG_SIGNALFD=y CONFIG_EVENTFD=y CONFIG_SHMEM=y CONFIG_VM_EVENT_COUNTERS=y CONFIG_SLAB=y # CONFIG_SLUB is not set # CONFIG_SLOB is not set CONFIG_SLABINFO=y CONFIG_RT_MUTEXES=y # CONFIG_TINY_SHMEM is not set CONFIG_BASE_SMALL=0 # CONFIG_MODULES is not set CONFIG_STOP_MACHINE=y CONFIG_BLOCK=y CONFIG_LBD=y # CONFIG_BLK_DEV_IO_TRACE is not set CONFIG_LSF=y # CONFIG_BLK_DEV_BSG is not set # # IO Schedulers # CONFIG_IOSCHED_NOOP=y CONFIG_IOSCHED_AS=y CONFIG_IOSCHED_DEADLINE=y # CONFIG_IOSCHED_CFQ is not set # CONFIG_DEFAULT_AS is not set CONFIG_DEFAULT_DEADLINE=y # CONFIG_DEFAULT_CFQ is not set # CONFIG_DEFAULT_NOOP is not set CONFIG_DEFAULT_IOSCHED=deadline CONFIG_CLASSIC_RCU=y # CONFIG_PREEMPT_RCU is not set # # Processor type and features # CONFIG_TICK_ONESHOT=y # CONFIG_NO_HZ is not set CONFIG_HIGH_RES_TIMERS=y CONFIG_GENERIC_CLOCKEVENTS_BUILD=y CONFIG_SMP=y CONFIG_X86_PC=y # CONFIG_X86_ELAN is not set # CONFIG_X86_VOYAGER is not set # CONFIG_X86_NUMAQ is not set # CONFIG_X86_SUMMIT is not set # CONFIG_X86_BIGSMP is not set # CONFIG_X86_VISWS is not set # CONFIG_X86_GENERICARCH is not set # CONFIG_X86_ES7000 is not set # CONFIG_X86_RDC321X is not set # CONFIG_X86_VSMP is not set CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y # CONFIG_PARAVIRT_GUEST is not set # CONFIG_M386 is not set CONFIG_M486=y # CONFIG_M586 is not set # CONFIG_M586TSC is not set # CONFIG_M586MMX is not set # CONFIG_M686 is not set # CONFIG_MPENTIUMII is not set # CONFIG_MPENTIUMIII is not set # CONFIG_MPENTIUMM is not set # CONFIG_MPENTIUM4 is not set # CONFIG_MK6 is not set # CONFIG_MK7 is not set # CONFIG_MK8 is
Re: [PATCH 00 of 11] x86: separate pmd lifetime from pgd
* Ingo Molnar [EMAIL PROTECTED] wrote: and after a session of bisection, the winner patch is: Subject: x86: unify PAE/non-PAE pgd_ctor which is a tad unexpected, given the relatively harmless nature of the patch. (but then again, nothing is really harmless in PAE land.) ok, i merged up your series with this patch removed. (it was possible with a few manual fixups) That way the problem .config boots fine. Ingo -- To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [PATCH 00 of 11] x86: separate pmd lifetime from pgd
* Ingo Molnar [EMAIL PROTECTED] wrote: hm, i tried this, and got an early crash: [ 29.389844] VFS: Mounted root (ext3 filesystem) readonly. [ 29.389872] debug: unmapping init memory c0b03000..c0b6f000 [ 29.440139] PM: Adding info for No Bus:vcs1 [ 29.463676] khelper used greatest stack depth: 2404 bytes left [ 29.467238] PM: Adding info for No Bus:vcsa1 [ 29.541785] PANIC: double fault, gdt at c1d16000 [255 bytes] [ 29.541785] double fault, tss at c1d19100 [ 29.541785] eip = c011fa95, esp = c3bf6000 [ 29.541785] eax = c3bf6010, ebx = c0b6fc08, ecx = 007b, edx = [ 29.541785] esi = f76a7df4, edi = c011fa90 i think it's one of your patches :) Bisecting it down to the right one now. Config attached. and after a session of bisection, the winner patch is: Subject: x86: unify PAE/non-PAE pgd_ctor which is a tad unexpected, given the relatively harmless nature of the patch. (but then again, nothing is really harmless in PAE land.) btw., this is not fair i think: your patch was apparently caught by the new debugging helper that tells about itself here: [ 29.389872] debug: unmapping init memory c0b03000..c0b6f000 note the close proximity of c0b6f000 and ebx = c0b6fc08. [ I regularly come up with such nasty tricks and debugging helpers like that to catch bad patches off-guard. You have been warned! ;-) ] Ingo -- To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [PATCH 00 of 11] x86: separate pmd lifetime from pgd
Ingo Molnar wrote: * Jeremy Fitzhardinge [EMAIL PROTECTED] wrote: This series addresses various cleanups in pagetable allocation in the direction of unifying 32/64 bits (that's still a while off yet). hm, i tried this, and got an early crash: [ 29.389844] VFS: Mounted root (ext3 filesystem) readonly. [ 29.389872] debug: unmapping init memory c0b03000..c0b6f000 [ 29.440139] PM: Adding info for No Bus:vcs1 [ 29.463676] khelper used greatest stack depth: 2404 bytes left [ 29.467238] PM: Adding info for No Bus:vcsa1 [ 29.541785] PANIC: double fault, gdt at c1d16000 [255 bytes] [ 29.541785] double fault, tss at c1d19100 [ 29.541785] eip = c011fa95, esp = c3bf6000 [ 29.541785] eax = c3bf6010, ebx = c0b6fc08, ecx = 007b, edx = [ 29.541785] esi = f76a7df4, edi = c011fa90 i think it's one of your patches :) Bisecting it down to the right one now. Wouldn't surprise me. Given that its a non-PAE config, most of the patches won't be in play, but perhaps I screwed up coping the kernel pagetable entries into the pgd somehow. J -- To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [PATCH 00 of 11] x86: separate pmd lifetime from pgd
Ingo Molnar wrote: and after a session of bisection, the winner patch is: Subject: x86: unify PAE/non-PAE pgd_ctor which is a tad unexpected, given the relatively harmless nature of the patch. (but then again, nothing is really harmless in PAE land.) Oh, well, good. At least off-the-cuff diagnosis was right. I must have overlooked some detail in that merge. btw., this is not fair i think: your patch was apparently caught by the new debugging helper that tells about itself here: [ 29.389872] debug: unmapping init memory c0b03000..c0b6f000 note the close proximity of c0b6f000 and ebx = c0b6fc08. [ I regularly come up with such nasty tricks and debugging helpers like that to catch bad patches off-guard. You have been warned! ;-) ] Hm, perhaps, but it could be as easily coincidence. The place there initmem is freed is close to where it first needs to rely on a non-initmm pagetable. I presume that message means that c0b6f000 was *not* freed. J -- To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
