Re: [BUG?] register_blkdev: failed to get major for device mapper
Am Montag, 19. Februar 2007 schrieben Sie:
> On Mon, 19 Feb 2007 15:39:38 +0100 Rolf Eike Beer <[EMAIL PROTECTED]>
wrote:
> > > It's totally weird. It prints the "skipped" message for every (!)
> > > number, not just for the blacklisted ones. And I've triple checked that
> > > I don't have missed the '{'.
> > >
> > > Compiler is SuSEs 4.1.0 from their 10.1. I remember some rumors that
> > > this thing is just broken?
> >
> > Ok, I'm using the compiler from SuSE 10.2 now and it works. Time that we
> > refuse to build if it's a 4.1.0.
>
> argh, I was down to suspecting gcc.
>
> I suppose we can just stir the code around to make it go away. Like this?
Too late, sorry. I've upgraded to 4.1.3 and it works fine now. Maybe I'll find
time to check again but this will take some days.
Eike
pgplkNg9qlaNA.pgp
Description: PGP signature
Re: [BUG?] register_blkdev: failed to get major for device mapper
On Mon, 19 Feb 2007 15:39:38 +0100 Rolf Eike Beer <[EMAIL PROTECTED]> wrote:
> > It's totally weird. It prints the "skipped" message for every (!) number,
> > not just for the blacklisted ones. And I've triple checked that I don't
> > have missed the '{'.
> >
> > Compiler is SuSEs 4.1.0 from their 10.1. I remember some rumors that this
> > thing is just broken?
>
> Ok, I'm using the compiler from SuSE 10.2 now and it works. Time that we
> refuse to build if it's a 4.1.0.
argh, I was down to suspecting gcc.
I suppose we can just stir the code around to make it go away. Like this?
block/genhd.c |9 ++---
drivers/base/core.c| 14 ++
fs/char_dev.c |8 ++--
include/linux/kdev_t.h |1 +
4 files changed, 19 insertions(+), 13 deletions(-)
diff -puN block/genhd.c~rework-reserved-major-handling block/genhd.c
--- a/block/genhd.c~rework-reserved-major-handling
+++ a/block/genhd.c
@@ -5,6 +5,7 @@
#include
#include
#include
+#include
#include
#include
#include
@@ -61,13 +62,7 @@ int register_blkdev(unsigned int major,
/* temporary */
if (major == 0) {
for (index = ARRAY_SIZE(major_names)-1; index > 0; index--) {
- /*
-* Disallow the LANANA-assigned LOCAL/EXPERIMENTAL
-* majors
-*/
- if ((60 <= index && index <= 63) ||
- (120 <= index && index <= 127) ||
- (240 <= index && index <= 254))
+ if (is_lanana_major(index))
continue;
if (major_names[index] == NULL)
break;
diff -puN fs/char_dev.c~rework-reserved-major-handling fs/char_dev.c
--- a/fs/char_dev.c~rework-reserved-major-handling
+++ a/fs/char_dev.c
@@ -6,6 +6,7 @@
#include
#include
+#include
#include
#include
@@ -108,12 +109,7 @@ __register_chrdev_region(unsigned int ma
/* temporary */
if (major == 0) {
for (i = ARRAY_SIZE(chrdevs)-1; i > 0; i--) {
- /*
-* Disallow the LANANA-assigned LOCAL/EXPERIMENTAL
-* majors
-*/
- if ((60 <= i && i <= 63) || (120 <= i && i <= 127) ||
- (240 <= i && i <= 254))
+ if (is_lanana_major(i))
continue;
if (chrdevs[i] == NULL)
break;
diff -puN drivers/base/core.c~rework-reserved-major-handling drivers/base/core.c
--- a/drivers/base/core.c~rework-reserved-major-handling
+++ a/drivers/base/core.c
@@ -28,6 +28,20 @@ int (*platform_notify)(struct device * d
int (*platform_notify_remove)(struct device * dev) = NULL;
/*
+ * Detect the LANANA-assigned LOCAL/EXPERIMENTAL majors
+ */
+bool is_lanana_major(unsigned int major)
+{
+ if (major >= 60 && major <= 63)
+ return 1;
+ if (major >= 120 && major <= 127)
+ return 1;
+ if (major >= 240 && major <= 254)
+ return 1;
+ return 0;
+}
+
+/*
* sysfs bindings for devices.
*/
diff -puN include/linux/kdev_t.h~rework-reserved-major-handling
include/linux/kdev_t.h
--- a/include/linux/kdev_t.h~rework-reserved-major-handling
+++ a/include/linux/kdev_t.h
@@ -87,6 +87,7 @@ static inline unsigned sysv_minor(u32 de
return dev & 0x3;
}
+bool is_lanana_major(unsigned int major);
#else /* __KERNEL__ */
_
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Re: [BUG?] register_blkdev: failed to get major for device mapper
> Andrew Morton wrote:
> > On Mon, 19 Feb 2007 11:01:02 +0100 Rolf Eike Beer <[EMAIL PROTECTED]>
>
> wrote:
> > > Andrew Morton wrote:
> > > > On Fri, 16 Feb 2007 14:37:28 +0100
> > > >
> > > > Rolf Eike Beer <[EMAIL PROTECTED]> wrote:
> > > > > I can't bring up my machine with root LVM anymore using x86_64. The
> > > > > same machine from same kernel tree boots fine as x86. The error
> > > > > message is quoted in subject. The tree is at
> > > > > 86a71dbd3e81e8870d0f0e56b87875f57e58222b (for those not using git:
> > > > > somewhere after 2.6.20).
> > > >
> > > > Does this fix it? I don't see why it would, but this was recently
> > > > added.
> > >
> > > Yes. But now usb complains "unable to get a dynamic major for usb
> > > endpoints". Nevertheless the USB mouse works.
> >
> > That's just nutty.
> >
> > Can you add this, see what it says just prior to that "unable to get a
> > dynamic major for usb endpoints"?
>
> It's totally weird. It prints the "skipped" message for every (!) number,
> not just for the blacklisted ones. And I've triple checked that I don't
> have missed the '{'.
>
> Compiler is SuSEs 4.1.0 from their 10.1. I remember some rumors that this
> thing is just broken?
Ok, I'm using the compiler from SuSE 10.2 now and it works. Time that we
refuse to build if it's a 4.1.0.
Sorry for the noise.
Eike
pgpyZqMb3zglw.pgp
Description: PGP signature
Re: [BUG?] register_blkdev: failed to get major for device mapper
Andrew Morton wrote:
> On Mon, 19 Feb 2007 11:01:02 +0100 Rolf Eike Beer <[EMAIL PROTECTED]>
wrote:
> > Andrew Morton wrote:
> > > On Fri, 16 Feb 2007 14:37:28 +0100
> > >
> > > Rolf Eike Beer <[EMAIL PROTECTED]> wrote:
> > > > I can't bring up my machine with root LVM anymore using x86_64. The
> > > > same machine from same kernel tree boots fine as x86. The error
> > > > message is quoted in subject. The tree is at
> > > > 86a71dbd3e81e8870d0f0e56b87875f57e58222b (for those not using git:
> > > > somewhere after 2.6.20).
> > >
> > > Does this fix it? I don't see why it would, but this was recently
> > > added.
> >
> > Yes. But now usb complains "unable to get a dynamic major for usb
> > endpoints". Nevertheless the USB mouse works.
>
> That's just nutty.
>
> Can you add this, see what it says just prior to that "unable to get a
> dynamic major for usb endpoints"?
It's totally weird. It prints the "skipped" message for every (!) number, not
just for the blacklisted ones. And I've triple checked that I don't have
missed the '{'.
Compiler is SuSEs 4.1.0 from their 10.1. I remember some rumors that this
thing is just broken?
Eike
pgpUU18H8Yb3X.pgp
Description: PGP signature
Re: [BUG?] register_blkdev: failed to get major for device mapper
On Mon, 19 Feb 2007 11:01:02 +0100 Rolf Eike Beer <[EMAIL PROTECTED]> wrote:
> Andrew Morton wrote:
> > On Fri, 16 Feb 2007 14:37:28 +0100
> > Rolf Eike Beer <[EMAIL PROTECTED]> wrote:
>
> > > I can't bring up my machine with root LVM anymore using x86_64. The same
> > > machine from same kernel tree boots fine as x86. The error message is
> > > quoted in subject. The tree is at
> > > 86a71dbd3e81e8870d0f0e56b87875f57e58222b (for those not using git:
> > > somewhere after 2.6.20).
> >
> > Does this fix it? I don't see why it would, but this was recently added.
>
> Yes. But now usb complains "unable to get a dynamic major for usb endpoints".
> Nevertheless the USB mouse works.
>
That's just nutty.
Can you add this, see what it says just prior to that "unable to get a
dynamic major for usb endpoints"?
--- a/fs/char_dev.c~a
+++ a/fs/char_dev.c
@@ -108,15 +108,21 @@ __register_chrdev_region(unsigned int ma
/* temporary */
if (major == 0) {
for (i = ARRAY_SIZE(chrdevs)-1; i > 0; i--) {
+ printk("%s: i = %d: ", __FUNCTION__, i);
/*
* Disallow the LANANA-assigned LOCAL/EXPERIMENTAL
* majors
*/
if ((60 <= i && i <= 63) || (120 <= i && i <= 127) ||
- (240 <= i && i <= 254))
+ (240 <= i && i <= 254)) {
+ printk("skipped\n");
continue;
- if (chrdevs[i] == NULL)
+ }
+ if (chrdevs[i] == NULL) {
+ printk("free\n");
break;
+ }
+ printk("used\n");
}
if (i == 0) {
_
-
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Re: [BUG?] register_blkdev: failed to get major for device mapper
Andrew Morton wrote: > On Fri, 16 Feb 2007 14:37:28 +0100 > Rolf Eike Beer <[EMAIL PROTECTED]> wrote: > > I can't bring up my machine with root LVM anymore using x86_64. The same > > machine from same kernel tree boots fine as x86. The error message is > > quoted in subject. The tree is at > > 86a71dbd3e81e8870d0f0e56b87875f57e58222b (for those not using git: > > somewhere after 2.6.20). > > Does this fix it? I don't see why it would, but this was recently added. Yes. But now usb complains "unable to get a dynamic major for usb endpoints". Nevertheless the USB mouse works. Eike pgpKSL6uoxtH1.pgp Description: PGP signature
Re: [BUG?] register_blkdev: failed to get major for device mapper
On Fri, 16 Feb 2007 14:37:28 +0100
Rolf Eike Beer <[EMAIL PROTECTED]> wrote:
> I can't bring up my machine with root LVM anymore using x86_64. The same
> machine from same kernel tree boots fine as x86. The error message is quoted
> in subject. The tree is at 86a71dbd3e81e8870d0f0e56b87875f57e58222b (for
> those not using git: somewhere after 2.6.20).
Does this fix it? I don't see why it would, but this was recently added.
--- a/block/genhd.c~a
+++ a/block/genhd.c
@@ -61,14 +61,6 @@ int register_blkdev(unsigned int major,
/* temporary */
if (major == 0) {
for (index = ARRAY_SIZE(major_names)-1; index > 0; index--) {
- /*
-* Disallow the LANANA-assigned LOCAL/EXPERIMENTAL
-* majors
-*/
- if ((60 <= index && index <= 63) ||
- (120 <= index && index <= 127) ||
- (240 <= index && index <= 254))
- continue;
if (major_names[index] == NULL)
break;
}
_
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
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Please read the FAQ at http://www.tux.org/lkml/
Re: [BUG?] register_blkdev: failed to get major for device mapper
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 RB> The error message is quoted in subject. I was seeing this behavior a couple days ago. I had been ignoring the warnings about using the known-broken gcc 4.1.0; updating to 4.1.1 fixed it for me. - -- Dan Smith IBM Linux Technology Center Open Hypervisor Team email: [EMAIL PROTECTED] -BEGIN PGP SIGNATURE- Version: GnuPG v1.4.5 (GNU/Linux) iD8DBQFF1djxwtEf7b4GJVQRAlUAAKCHIuPS5dRCXxiw5yHEMleGZlV3wQCeM8Xu Z8T/nOT2L9Pe0O3ItMBu9pY= =gn5n -END PGP SIGNATURE- - 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/
[BUG?] register_blkdev: failed to get major for device mapper
Hi, I can't bring up my machine with root LVM anymore using x86_64. The same machine from same kernel tree boots fine as x86. The error message is quoted in subject. The tree is at 86a71dbd3e81e8870d0f0e56b87875f57e58222b (for those not using git: somewhere after 2.6.20). Attached are my .config of x86 and x86_64 as well as dmesg of failed boot as captured via serial line. The only other report of this problem dates back to early 2005 (see http://lkml.org/lkml/2005/2/5/29) and was about 2.6.11-rc2-mm2. I successfully have 2.6.18-rc7-something on this machine as x86_64 so it worked in between. Any ideas? Greetings, Eike Linux version 2.6.20-siso1 ([EMAIL PROTECTED]) (gcc version 4.1.0 (SUSE Linux)) #7 SMP Fri Feb 16 11:08:53 CET 2007 Command line: root=/dev/system/root64 console=ttyS0,38400 console=tty0 vga=normal selinux=0 resume=/dev/system/swap splash=verbose showopts BIOS-provided physical RAM map: BIOS-e820: - 0009b000 (usable) BIOS-e820: 0009b000 - 000a (reserved) BIOS-e820: 000e9b60 - 0010 (reserved) BIOS-e820: 0010 - 7ffb (usable) BIOS-e820: 7ffb - 7ffbe000 (ACPI data) BIOS-e820: 7ffbe000 - 7ffe (ACPI NVS) BIOS-e820: 7ffe - 8000 (reserved) BIOS-e820: fec0 - fec01000 (reserved) BIOS-e820: fee0 - fef0 (reserved) BIOS-e820: ff70 - 0001 (reserved) end_pfn_map = 1048576 DMI 2.3 present. ACPI: RSDP 000FB650, 0014 (r0 ACPIAM) ACPI: RSDT 7FFB, 0034 (r1 A M I OEMRSDT 3000627 MSFT 97) ACPI: FACP 7FFB0200, 0084 (r2 A M I OEMFACP 3000627 MSFT 97) ACPI: DSDT 7FFB0450, 7E04 (r1 A0350 A03500011 INTL 2002026) ACPI: FACS 7FFBE000, 0040 ACPI: APIC 7FFB0390, 0080 (r1 A M I OEMAPIC 3000627 MSFT 97) ACPI: MCFG 7FFB0410, 003C (r1 A M I OEMMCFG 3000627 MSFT 97) ACPI: OEMB 7FFBE040, 005B (r1 A M I AMI_OEM 3000627 MSFT 97) Zone PFN ranges: DMA 0 -> 4096 DMA324096 -> 1048576 Normal1048576 -> 1048576 early_node_map[2] active PFN ranges 0:0 -> 155 0: 256 -> 524208 Nvidia board detected. Ignoring ACPI timer override. If you got timer trouble try acpi_use_timer_override ACPI: PM-Timer IO Port: 0x508 ACPI: LAPIC (acpi_id[0x01] lapic_id[0x00] enabled) Processor #0 (Bootup-CPU) ACPI: LAPIC (acpi_id[0x02] lapic_id[0x01] enabled) Processor #1 ACPI: LAPIC (acpi_id[0x03] lapic_id[0x82] disabled) ACPI: LAPIC (acpi_id[0x04] lapic_id[0x83] disabled) ACPI: IOAPIC (id[0x02] address[0xfec0] gsi_base[0]) IOAPIC[0]: apic_id 2, address 0xfec0, GSI 0-23 ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) ACPI: BIOS IRQ0 pin2 override ignored. ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) ACPI: INT_SRC_OVR (bus 0 bus_irq 14 global_irq 14 high edge) ACPI: INT_SRC_OVR (bus 0 bus_irq 15 global_irq 15 high edge) Setting APIC routing to flat Using ACPI (MADT) for SMP configuration information Nosave address range: 0009b000 - 000a Nosave address range: 000a - 000ea000 Nosave address range: 000ea000 - 0010 Allocating PCI resources starting at 8800 (gap: 8000:7ec0) PERCPU: Allocating 33920 bytes of per cpu data Built 1 zonelists. Total pages: 512835 Kernel command line: root=/dev/system/root64 console=ttyS0,38400 console=tty0 vga=normal selinux=0 resume=/dev/system/swap splash=verbose s Initializing CPU#0 PID hash table entries: 4096 (order: 12, 32768 bytes) Console: colour VGA+ 80x25 Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar ... MAX_LOCKDEP_SUBCLASSES:8 ... MAX_LOCK_DEPTH: 30 ... MAX_LOCKDEP_KEYS:2048 ... CLASSHASH_SIZE: 1024 ... MAX_LOCKDEP_ENTRIES: 8192 ... MAX_LOCKDEP_CHAINS: 16384 ... CHAINHASH_SIZE: 8192 memory used by lock dependency info: 1648 kB per task-struct memory footprint: 1680 bytes Dentry cache hash table entries: 262144 (order: 9, 2097152 bytes) Inode-cache hash table entries: 131072 (order: 8, 1048576 bytes) Checking aperture... Memory: 2036040k/2096832k available (2574k kernel code, 60004k reserved, 1582k data, 220k init) Calibrating delay using timer specific routine.. 6006.12 BogoMIPS (lpj=12012248) Mount-cache hash table entries: 256 CPU: Trace cache: 12K uops, L1 D cache: 16K CPU: L2 cache: 2048K using mwait in idle threads. CPU: Physical Processor ID: 0 CPU: Processor Core ID: 0 CPU0: Thermal monitoring enabled (TM1) Freeing SMP alternatives: 24k freed ACPI: Core revision 20070126 Using local APIC timer interrupts. result 12500430 Detected 12.500 MHz APIC timer. lockdep: not fixing up alternatives. Booting processor 1/2 APIC 0x1 Initializing CPU#1 Calibrating delay using timer specific routine.. 6000.83 BogoMIPS (lpj=12001670) CPU: Trace cache: 12K uops, L1 D cache: 16K CPU: L2 cache: 20
