Maybe this got ignored because the subject was test9 oops when test 10 had been released, or people tend to ignore .edu addresses... > Just a note that this oops still occurs in test10. The problem occurs > because get_devfs_entry_from_vfs_inode in devfs_follow_link (and/or > devfs_read_link), seems to return invalid or incorrect devfs entries whose > .u.symlink.linkname is null which causes the line: > if (*link == '/') { > in fs/namei.c: __vfs_follow_link to oops. > > The oops is due to trying to follow an sg? link in /dev. > > Nick. > > ----- Original Message ----- > From: "Nick Piggin" <[EMAIL PROTECTED]> > To: "Linux-Kernel" <[EMAIL PROTECTED]> > Sent: Wednesday, October 25, 2000 9:16 PM > Subject: 2.4.0-test9 Oopses > > > > Did the following with 2.4.0-test9 + reiserfs 3.6.18 (all ext2 filesystem, > > however) and all ide block devices. > > > > scsi0 : SCSI host adapter emulation for IDE ATAPI devices > > Vendor: RICOH Model: CD-R/RW MP7060A Rev: 1.50 > > Type: CD-ROM ANSI SCSI revision: 02 > > Vendor: ATAPI Model: CD-ROM DRIVE-24X Rev: U40M > > Type: CD-ROM ANSI SCSI revision: 02 > > Detected scsi CD-ROM sr0 at scsi0, channel 0, id 0, lun 0 > > Detected scsi CD-ROM sr1 at scsi0, channel 0, id 1, lun 0 > > sr0: scsi3-mmc drive: 24x/24x writer cd/rw xa/form2 cdda tray > > sr1: scsi3-mmc drive: 20x/20x xa/form2 cdda tray > > scsi : 0 hosts left. > > > > (loaded ide-scsi modules as you can see) > [snip] > > Doing cdrecord -scanbus I > > got these two oopses > > > > Unable to handle kernel NULL pointer dereference at virtual address > 00000000 > > printing eip: > > c013a551 > > Oops: 0000 > > CPU: 0 > > EIP: 0010:[vfs_follow_link+33/368] > > EFLAGS: 00010217 > > eax: 00000000 ebx: c3c5bf90 ecx: 00000341 edx: c02b6040 > > esi: 00000000 edi: 00000000 ebp: 00000000 esp: c3c5befc > > ds: 0018 es: 0018 ss: 0018 > > Process devfsd (pid: 12, stackpage=c3c5b000) > > Stack: c3c5bf90 00000000 c0a01e20 c3c5bf90 00000000 c01547cf c3c5bf90 > > 00000000 > > c3c5a000 c0138143 c0a01e20 c3c5bf90 c09c0b40 c3d69000 00000000 > > c3c5bf90 > > bfffecdc 00000001 bfffecdc c3c5bf94 00000009 c0a01e20 c3d69005 > > 00000003 > > Call Trace: [devfs_follow_link+31/48] [path_walk+1683/1952] > > [__user_walk+60/96] [sys_chown+22/80] [sys_chown16+48/64] > > [system_call+51/56] > > Code: 80 3f 2f 0f 85 c6 00 00 00 53 e8 90 d2 ff ff ba 00 e0 ff ff > > > > Unable to handle kernel NULL pointer dereference at virtual address > 00000000 > > printing eip: > > c013a551 > > Oops: 0000 > > CPU: 0 > > EIP: 0010:[vfs_follow_link+33/368] > > EFLAGS: 00010217 > > eax: 00000000 ebx: c081df80 ecx: 00000341 edx: c02b6040 > > esi: c0a01b20 edi: 00000000 ebp: 00000000 esp: c081ded0 > > ds: 0018 es: 0018 ss: 0018 > > Process cdrecord (pid: 758, stackpage=c081d000) > > Stack: c081df80 c0a01b20 c0a01b20 c081df80 00000000 c01547cf c081df80 > > 00000000 > > c081c000 c0138143 c0a01b20 c081df80 c09c0b40 c117d000 00000000 > > 00000002 > > 00000003 00000001 08074094 c081df84 00000001 c0a01b20 c117d005 > > 00000003 > > Call Trace: [devfs_follow_link+31/48] [path_walk+1683/1952] > > [open_namei+128/1504] [filp_open+59/96] [sys_open+67/208] > > [system_call+51/56] > > Code: 80 3f 2f 0f 85 c6 00 00 00 53 e8 90 d2 ff ff ba 00 e0 ff ff - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] Please read the FAQ at http://www.tux.org/lkml/