Chris Boot <[EMAIL PROTECTED]> writes: > All, > > I've got a box running RHEL5 and haven't been impressed by ext3 > performance on it (running of a 1.5TB HP MSA20 using the cciss > driver). I compiled XFS as a module and tried it out since I'm used to > using it on Debian, which runs much more efficiently. However, every > so often the kernel panics as below. Apologies for the tainted kernel, > but we run VMware Server on the box as well. > > Does anyone have any hits/tips for using XFS on Red Hat? What's > causing the panic below, and is there a way around this? > > BUG: unable to handle kernel paging request at virtual address b8af9d60 > printing eip: > c0415974 > *pde = 00000000 > Oops: 0000 [#1] > SMP last sysfs file: /block/loop7/dev > Modules linked in: loop nfsd exportfs lockd nfs_acl iscsi_trgt(U) > autofs4 hidp nls_utf8 cifs ppdev rfcomm l2cap bluetooth vmnet(U) > vmmon(U) sunrpc ipv6 xfs(U) video sbs i2c_ec button battery asus_acpi > ac lp st sg floppy serio_raw intel_rng pcspkr e100 mii e7xxx_edac > i2c_i801 edac_mc i2c_core e1000 r8169 ide_cd cdrom parport_pc parport > dm_snapshot dm_zero dm_mirror dm_mod cciss mptspi mptscsih > scsi_transport_spi sd_mod scsi_mod mptbase ext3 jbd ehci_hcd ohci_hcd > uhci_hcd > CPU: 1 > EIP: 0060:[<c0415974>] Tainted: P VLI > EFLAGS: 00010046 (2.6.18-8.1.8.el5 #1) EIP is at > smp_send_reschedule+0x3/0x53 > eax: c213f000 ebx: c213f000 ecx: eef84000 edx: c213f000 > esi: 00001086 edi: f668c000 ebp: f4f2fce8 esp: f4f2fc8c > ds: 007b es: 007b ss: 0068 > Process crond (pid: 3146, ti=f4f2f000 task=f51faaa0 task.ti=f4f2f000) > Stack: 66d66b89 c041dc23 00000000 a9afbb0e fffffea5 01904500 00000000 > 0000000f 00000000 00000001 00000001 c200c6e0 00000100 00000000 > 00000069 00000180 018fc500 c200d240 00000003 00000292 f601efc0 > f6027e00 00000000 00000050 Call Trace: > [<c041dc23>] try_to_wake_up+0x351/0x37b > [<f936884e>] xfsbufd_wakeup+0x28/0x49 [xfs] > [<c04572f9>] shrink_slab+0x56/0x13c > [<c0457c0c>] try_to_free_pages+0x162/0x23e > [<c0454064>] __alloc_pages+0x18d/0x27e > [<c045214e>] find_or_create_page+0x53/0x8c > [<c046c7b1>] __getblk+0x162/0x270 > [<c0475be0>] do_lookup+0x53/0x157 > [<f889138f>] ext3_getblk+0x7c/0x233 [ext3] > [<f88913fe>] ext3_getblk+0xeb/0x233 [ext3] > [<c048215c>] mntput_no_expire+0x11/0x6a > [<f889226e>] ext3_bread+0x13/0x69 [ext3] > [<f8895606>] htree_dirblock_to_tree+0x22/0x113 [ext3] > [<f889574f>] ext3_htree_fill_tree+0x58/0x1a0 [ext3] > [<c047828b>] do_path_lookup+0x20e/0x25f > [<c046b987>] get_empty_filp+0x99/0x15e > [<f889d611>] ext3_permission+0x0/0xa [ext3] > [<f888eaa3>] ext3_readdir+0x1ce/0x59b [ext3] > [<c047a0dd>] filldir+0x0/0xb9 > [<c0472973>] sys_fstat64+0x1e/0x23 > [<c047a1f9>] vfs_readdir+0x63/0x8d > [<c047a0dd>] filldir+0x0/0xb9 > [<c047a447>] sys_getdents+0x5f/0x9c > [<c0403eff>] syscall_call+0x7/0xb > =======================
Your Redhat kernel is probably built with 4k stacks and XFS+loop+ext3 seems to be enough to overflow it. -- Måns Rullgård [EMAIL PROTECTED] - 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/