I've CentOS4 with two software raid5s running on a Proliant ML370G3 (dual
Xeon 3Ghz) and have had no problem with them (using 6 SCSI drives). So
I'd expect the problem isn't with raid5, I'd guess it's either hardware or
SATA driver related...
On Tue, 15 Mar 2005, Ivo Panacek wrote:
> Hi,
>
> I have recently installed CentOS4 (i386 version) on server.
>
> After I run
>
> mdadm --create /dev/md0 --level=raid5 --raid-devices=6
> --spare-devices=1 $DEVLIST
>
> ($DEVLIST is /dev/sda1 ... 7 same SATA disks on three different
> sata controllers, two on-board, one pci-card)
>
> it starts to build raid but at the end (> 3 hours) it produces kernel bug.
>
> Could it be hardware error, or it is really kernel bug and I should
> try newer kernel (I prefer using stock centos kernel !) ?
>
> Relevant part of log:
>
> Mar 14 20:55:48 server kernel: md: syncing RAID array md0
> Mar 14 20:55:48 server kernel: md: minimum _guaranteed_ reconstruction
> speed: 1000 KB/sec/disc.
> Mar 14 20:55:48 server kernel: md: using maximum available idle IO
> bandwith (but not more than 200000 KB/sec) for reconstruction.
> Mar 14 20:55:48 server kernel: md: using 128k window, over a total of
> 390711296 blocks.
> Mar 14 20:55:48 server kernel: md: md0: sync done.
>
> (it repeats all the time of reconstruction)
>
> Mar 14 20:55:48 server kernel: eip: c011cf67
> Mar 14 20:55:48 server kernel: ------------[ cut here ]------------
> Mar 14 20:55:48 server kernel: kernel BUG at include/asm/spinlock.h:146!
> Mar 14 20:55:48 server kernel: invalid operand: 0000 [#1]
> Mar 14 20:55:48 server kernel: SMP
> Mar 14 20:55:48 server kernel: Modules linked in: vfat fat raid5 xor
> parport_pc lp parport autofs4 i2c_dev i2c_core sunrpc dm_mod button
> battery ac uhci_hcd ehci_hcd sata_sil e1000 floppy ext3 jbd ata_piix
> aacraid sata_promise libata sd_mod scsi_mod
> Mar 14 20:55:48 server kernel: CPU: 1
> Mar 14 20:55:48 server kernel: EIP: 0060:[<c02c4d04>] Not tainted VLI
> Mar 14 20:55:48 server kernel: EFLAGS: 00010046 (2.6.9-5.0.3.ELsmp)
> Mar 14 20:55:48 server kernel: EIP is at _spin_lock_irqsave+0x20/0x45
> Mar 14 20:55:48 server kernel: eax: c011cf67 ebx: 00000246 ecx:
> c02d7fe4 edx: c02d7fe4
> Mar 14 20:55:48 server kernel: esi: f44f4f54 edi: f4ae4000 ebp:
> f4ae4f9c esp: f4ae4f84
> Mar 14 20:55:48 server kernel: ds: 007b es: 007b ss: 0068
> Mar 14 20:55:48 server kernel: Process md0_resync (pid: 12079,
> threadinfo=f4ae4000 task=f620f0b0)
> Mar 14 20:55:48 server kernel: Stack: f44f4f50 f44f4f54 c011cf67
> f4dc1280 00000000 f4ae4000 00000000 c02650fd
> Mar 14 20:55:48 server kernel: 00000000 f620f0b0 c011e8d2
> f4ae4fd0 f4ae4fd0 f44f4ee4 c02c5fca f396a630
> Mar 14 20:55:48 server kernel: 00000000 f620f0b0 c011e8d2
> f4ae4fd0 f4ae4fd0 00000000 00000000 0000007b
> Mar 14 20:55:48 server kernel: Call Trace:
> Mar 14 20:55:48 server kernel: [<c011cf67>] complete+0x12/0x3d
> Mar 14 20:55:48 server kernel: [<c02650fd>] md_thread+0x15f/0x168
> Mar 14 20:55:48 server kernel: [<c011e8d2>] autoremove_wake_function+0x0/0x2d
> Mar 14 20:55:48 server kernel: [<c02c5fca>] ret_from_fork+0x6/0x14
> Mar 14 20:55:48 server kernel: [<c011e8d2>] autoremove_wake_function+0x0/0x2d
> Mar 14 20:55:48 server kernel: [<c0264f9e>] md_thread+0x0/0x168
> Mar 14 20:55:48 server kernel: [<c01041f1>] kernel_thread_helper+0x5/0xb
> Mar 14 20:55:48 server kernel: Code: 81 00 00 00 00 01 c3 f0 ff 00 c3
> 56 89 c6 53 9c 5b fa 81 78 04 ad 4e ad de 74 18 ff 74 24 08 68 e4 7f
> 2d c0 e8 4c be e5 ff 59 58 <0f> 0b 92 00 f1 70 2d c0 f0 fe 0e 79 13 f7
> c3 00 02 00 00 74 01
>
> System is up-to-date (via yum) CentOS4:
>
> [root@server tmp]# free
> total used free shared buffers cached
> Mem: 1034676 286364 748312 0 30464 182996
> -/+ buffers/cache: 72904 961772
> Swap: 2096440 0 2096440
>
> [root@server tmp]# uname -r
> 2.6.9-5.0.3.ELsmp
>
> [root@server tmp]# cat /proc/cpuinfo
> processor : 0
> vendor_id : GenuineIntel
> cpu family : 15
> model : 2
> model name : Intel(R) Pentium(R) 4 CPU 2.40GHz
> stepping : 9
> cpu MHz : 2394.536
> cache size : 512 KB
> physical id : 0
> siblings : 2
> fdiv_bug : no
> hlt_bug : no
> f00f_bug : no
> coma_bug : no
> fpu : yes
> fpu_exception : yes
> cpuid level : 2
> wp : yes
> flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca
> cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe cid
> xtpr
> bogomips : 4718.59
>
> processor : 1
> vendor_id : GenuineIntel
> cpu family : 15
> model : 2
> model name : Intel(R) Pentium(R) 4 CPU 2.40GHz
> stepping : 9
> cpu MHz : 2394.536
> cache size : 512 KB
> physical id : 0
> siblings : 2
> fdiv_bug : no
> hlt_bug : no
> f00f_bug : no
> coma_bug : no
> fpu : yes
> fpu_exception : yes
> cpuid level : 2
> wp : yes
> flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca
> cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe cid
> xtpr
> bogomips : 4784.12
>
>
