Hi all, testing the latest kernels on SGI O2, I found this new kernel oops. It is there (even if code changed a bit) since 2.6.22, but the oops I attach here has been produced with kernel from linux-mips.org git of yesterday night. I don't know if this is a problem that I should report to this list, or if I should address a different list. If you have any suggestion, please let me know. Thanks a lot, Giuseppe CPU 0 Unable to handle kernel paging request at virtual address 0000000000000000, epc == 0000000000000000, ra == 0000000000000000 Oops[#1]: Cpu 0 $ 0 : 0000000000000000 ffffffff9001fce0 ffffffffffffff86 0000000000000028 $ 4 : 980000000fc01140 0000000000000080 0000000000024000 0000000000000000 $ 8 : 980000000fc54700 0000000000000001 0000000000008000 404000130a0808ff $12 : 0000000000000008 ffffffff801b8db8 0000000000000000 ffffffff803f0000 $16 : 980000000ff2fa70 980000000c417bb8 980000000c417c20 980000000fdeb610 $20 : 000000007fffffff 980000000f9211a0 980000000fc26000 000000007fa51ecd $24 : 0000000000000000 ffffffff80074290 $28 : 980000000c414000 980000000c417bb0 0000000000400000 0000000000000000 Hi : 0000000000000000 Lo : 003d08dbda057200 epc : 0000000000000000 0x0 Not tainted ra : 0000000000000000 0x0 Status: 9001fce3 KX SX UX KERNEL EXL IE Cause : 00000008 BadVA : 0000000000000000 PrId : 00002321 (R5000) Modules linked in: parport_pc lp parport ipv6 deflate zlib_deflate ctr twofish twofish_common camellia serpent blowfish des_generic cbc aes_generic xcbc sha25 6_generic sha1_generic crypto_null crypto_blkcipher dm_snapshot dm_mirror dm_mod ehci_hcd ohci_hcd r8169 usbcore sg evdev Process hald-probe-stor (pid: 1937, threadinfo=980000000c414000, task=980000000ebf47d8) Stack : 980000000c417be0 980000000c417de0 0800000000000000 980000000c417bb0 00000008ffffff86 0000000000000000 0200000000000001 000006d600000000 0000000000000000 980000000c417de0 980000000fdeb610 0000000000000001 0000000000005326 ffffffff802460b0 0000000070023a00 000000000f9211a0 ffffffff80490000 ffffffff8024bb84 980000000fc10e80 980000000f80bb28 0000000000000000 980000000f9210e0 0000010100000001 00000000800d1618 0000000000000004 980000000fc8f850 000000007fffffff 980000000fde4000 0000000000005326 000000007fffffff 980000000c407540 980000000f9211a0 980000000fc26000 000000007fa51ecd ffffffff80245c6c 980000000c407540 0000000000000000 fffffffffffffdfd 0000000000005326 ffffffff801ad8bc ... Call Trace: [<ffffffff802460b0>] sr_drive_status+0x50/0xe8 [<ffffffff8024bb84>] cdrom_ioctl+0x5f4/0x1208 [<ffffffff80245c6c>] sr_block_ioctl+0x64/0xe8 [<ffffffff801ad8bc>] compat_blkdev_ioctl+0x7cc/0x18e0 [<ffffffff800d1870>] do_open+0x98/0x310 [<ffffffff800d1d60>] blkdev_open+0x0/0xc0 [<ffffffff800d1da8>] blkdev_open+0x48/0xc0 [<ffffffff8009c444>] __dentry_open+0x114/0x2e0 [<ffffffff8009c740>] do_filp_open+0x48/0x58 [<ffffffff8009c740>] do_filp_open+0x48/0x58 [<ffffffff800def8c>] compat_sys_ioctl+0xf4/0x440 [<ffffffff80019154>] handle_sys+0x114/0x130 [<ffffffff8001fcf3>] fpu_emulator_cop1Handler+0x362/0x2270 Code: (Bad address in epc)