Wondering if others are hitting JFFS2 module panics on nvram consolidation. Looked around but only saw a lack of space, but I have plenty (seemingly). Doesn't look like memory uncorrectable error or the like either. Trace below . . . thoughts welcome cuz this one has me mystified at the moment and it's occurring on latest build (and prior as well, but not before).
device: RT-AC68U
firmware version: 386.7_2
nvram show: size: 61148 bytes (4388 left)
jffs:
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/mtdblock4 64256 1864 62392 3% /jffs
Panic (reboot log):
May 5 01:05:04 kernel: <6>nvram: consolidating space!
May 5 01:05:04 kernel: <1>Unable to handle kernel NULL pointer dereference at virtual address 00000057
May 5 01:05:04 kernel: <1>pgd = cac54000
May 5 01:05:04 kernel: <1>[00000057] *pgd=9d148031, *pte=00000000, *ppte=00000000
May 5 01:05:04 kernel: <0>Internal error: Oops: 17 [#1] PREEMPT SMP
May 5 01:05:04 kernel: <0>last sysfs file: /sys/class/net/vlan1/brport/port_no
May 5 01:05:04 kernel: <4>CPU: 0 Tainted: P (2.6.36.4brcmarm #1)
May 5 01:05:04 kernel: <4>PC is at jffs2_add_fd_to_list+0x48/0xe0 [jffs2]
May 5 01:05:04 kernel: <4>LR is at jffs2_do_unlink+0x378/0x3c0 [jffs2]
May 5 01:05:04 kernel: <4>pc : [<bf00c480>] lr : [<bf012138>] psr: 20000013
May 5 01:05:04 kernel: <4>sp : cdf95e98 ip : c003b868 fp : 00000000
May 5 01:05:04 kernel: <4>r10: cdf5cc00 r9 : cf441520 r8 : cdfbe260
May 5 01:05:04 kernel: <4>r7 : cfb86a00 r6 : cdfbe275 r5 : cdfbe260 r4 : cdf5cc04
May 5 01:05:04 kernel: <4>r3 : 0059452d r2 : cf441544 r1 : c7b2f936 r0 : 00000047
May 5 01:05:04 kernel: <4>Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user
May 5 01:05:04 kernel: <4>Control: 10c53c7d Table: 9ac5404a DAC: 00000015
May 5 01:05:04 kernel: <0>Process conn_diag (pid: 18167, stack limit = 0xcdf94270)
. . .
May 5 01:05:04 kernel: <4>[<bf00c480>] (PC is at jffs2_add_fd_to_list+0x48/0xe0 [jffs2])
May 5 01:05:04 kernel: <4>[<bf00c480>] (jffs2_add_fd_to_list+0x48/0xe0 [jffs2]) from [<bf012138>] (jffs2_do_unlink+0x378/0x3c0 [jff
May 5 01:05:04 kernel: <4>[<bf012138>] (jffs2_do_unlink+0x378/0x3c0 [jffs2]) from [<bf00a594>] (jffs2_unlink+0x40/0x84 [jffs2])
May 5 01:05:04 kernel: <4>[<bf00a594>] (jffs2_unlink+0x40/0x84 [jffs2]) from [<c00d41f8>] (vfs_unlink+0x80/0xe8)
May 5 01:05:04 kernel: <4>[<c00d41f8>] (vfs_unlink+0x80/0xe8) from [<c00d59f8>] (do_unlinkat+0x148/0x174)
May 5 01:05:04 kernel: <4>[<c00d59f8>] (do_unlinkat+0x148/0x174) from [<c003dd20>] (ret_fast_syscall+0x0/0x30)
May 5 01:05:04 kernel: <0>Code: e5940004 e2844004 e3500000 0a00001c (e5903010)
May 5 01:05:05 kernel: <4>---[ end trace aa8a1d23d4f38ebe ]---
May 5 01:05:05 kernel: <0>Kernel panic - not syncing: Fatal exception
May 5 01:05:05 kernel: <4>[<c0044258>] (unwind_backtrace+0x0/0xf8) from [<c02cf510>] (panic+0x74/0x1a0)
May 5 01:05:05 kernel: <4>[<c02cf510>] (panic+0x74/0x1a0) from [<c0041950>] (die+0x1a4/0x1dc)
May 5 01:05:05 kernel: <4>[<c0041950>] (die+0x1a4/0x1dc) from [<c00453b4>] (__do_kernel_fault+0x64/0x84)
May 5 01:05:05 kernel: <4>[<c00453b4>] (__do_kernel_fault+0x64/0x84) from [<c0045524>] (do_page_fault+0x150/0x1ec)
May 5 01:05:05 kernel: <4>[<c0045524>] (do_page_fault+0x150/0x1ec) from [<c003d3a4>] (do_DataAbort+0x30/0x9c)
May 5 01:05:05 kernel: <4>[<c003d3a4>] (do_DataAbort+0x30/0x9c) from [<c03844cc>] (__dabt_svc+0x4c/0x60)
May 5 01:05:05 kernel: <4>Exception stack(0xcdf95e50 to 0xcdf95e98)
May 5 01:05:05 kernel: <4>5e40: 00000047 c7b2f936 cf441544 0059452d
May 5 01:05:05 kernel: <4>5e60: cdf5cc04 cdfbe260 cdfbe275 cfb86a00 cdfbe260 cf441520 cdf5cc00 00000000
May 5 01:05:05 kernel: <4>5e80: c003b868 cdf95e98 bf012138 bf00c480 20000013 ffffffff
May 5 01:05:05 kernel: <4>[<c03844cc>] (__dabt_svc+0x4c/0x60) from [<bf00c480>] (jffs2_add_fd_to_list+0x48/0xe0 [jffs2])
May 5 01:05:05 kernel: <4>[<bf00c480>] (jffs2_add_fd_to_list+0x48/0xe0 [jffs2]) from [<bf012138>] (jffs2_do_unlink+0x378/0x3c0 [jff
May 5 01:05:05 kernel: <4>[<bf012138>] (jffs2_do_unlink+0x378/0x3c0 [jffs2]) from [<bf00a594>] (jffs2_unlink+0x40/0x84 [jffs2])
May 5 01:05:05 kernel: <4>[<bf00a594>] (jffs2_unlink+0x40/0x84 [jffs2]) from [<c00d41f8>] (vfs_unlink+0x80/0xe8)
May 5 01:05:05 kernel: <4>[<c00d41f8>] (vfs_unlink+0x80/0xe8) from [<c00d59f8>] (do_unlinkat+0x148/0x174)
May 5 01:05:05 kernel: <4>[<c00d59f8>] (do_unlinkat+0x148/0x174) from [<c003dd20>] (ret_fast_syscall+0x0/0x30)
May 5 01:05:05 kernel: _ End of Reboot message (8180) ... _______________________________________________________
device: RT-AC68U
firmware version: 386.7_2
nvram show: size: 61148 bytes (4388 left)
jffs:
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/mtdblock4 64256 1864 62392 3% /jffs
Panic (reboot log):
May 5 01:05:04 kernel: <6>nvram: consolidating space!
May 5 01:05:04 kernel: <1>Unable to handle kernel NULL pointer dereference at virtual address 00000057
May 5 01:05:04 kernel: <1>pgd = cac54000
May 5 01:05:04 kernel: <1>[00000057] *pgd=9d148031, *pte=00000000, *ppte=00000000
May 5 01:05:04 kernel: <0>Internal error: Oops: 17 [#1] PREEMPT SMP
May 5 01:05:04 kernel: <0>last sysfs file: /sys/class/net/vlan1/brport/port_no
May 5 01:05:04 kernel: <4>CPU: 0 Tainted: P (2.6.36.4brcmarm #1)
May 5 01:05:04 kernel: <4>PC is at jffs2_add_fd_to_list+0x48/0xe0 [jffs2]
May 5 01:05:04 kernel: <4>LR is at jffs2_do_unlink+0x378/0x3c0 [jffs2]
May 5 01:05:04 kernel: <4>pc : [<bf00c480>] lr : [<bf012138>] psr: 20000013
May 5 01:05:04 kernel: <4>sp : cdf95e98 ip : c003b868 fp : 00000000
May 5 01:05:04 kernel: <4>r10: cdf5cc00 r9 : cf441520 r8 : cdfbe260
May 5 01:05:04 kernel: <4>r7 : cfb86a00 r6 : cdfbe275 r5 : cdfbe260 r4 : cdf5cc04
May 5 01:05:04 kernel: <4>r3 : 0059452d r2 : cf441544 r1 : c7b2f936 r0 : 00000047
May 5 01:05:04 kernel: <4>Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user
May 5 01:05:04 kernel: <4>Control: 10c53c7d Table: 9ac5404a DAC: 00000015
May 5 01:05:04 kernel: <0>Process conn_diag (pid: 18167, stack limit = 0xcdf94270)
. . .
May 5 01:05:04 kernel: <4>[<bf00c480>] (PC is at jffs2_add_fd_to_list+0x48/0xe0 [jffs2])
May 5 01:05:04 kernel: <4>[<bf00c480>] (jffs2_add_fd_to_list+0x48/0xe0 [jffs2]) from [<bf012138>] (jffs2_do_unlink+0x378/0x3c0 [jff
May 5 01:05:04 kernel: <4>[<bf012138>] (jffs2_do_unlink+0x378/0x3c0 [jffs2]) from [<bf00a594>] (jffs2_unlink+0x40/0x84 [jffs2])
May 5 01:05:04 kernel: <4>[<bf00a594>] (jffs2_unlink+0x40/0x84 [jffs2]) from [<c00d41f8>] (vfs_unlink+0x80/0xe8)
May 5 01:05:04 kernel: <4>[<c00d41f8>] (vfs_unlink+0x80/0xe8) from [<c00d59f8>] (do_unlinkat+0x148/0x174)
May 5 01:05:04 kernel: <4>[<c00d59f8>] (do_unlinkat+0x148/0x174) from [<c003dd20>] (ret_fast_syscall+0x0/0x30)
May 5 01:05:04 kernel: <0>Code: e5940004 e2844004 e3500000 0a00001c (e5903010)
May 5 01:05:05 kernel: <4>---[ end trace aa8a1d23d4f38ebe ]---
May 5 01:05:05 kernel: <0>Kernel panic - not syncing: Fatal exception
May 5 01:05:05 kernel: <4>[<c0044258>] (unwind_backtrace+0x0/0xf8) from [<c02cf510>] (panic+0x74/0x1a0)
May 5 01:05:05 kernel: <4>[<c02cf510>] (panic+0x74/0x1a0) from [<c0041950>] (die+0x1a4/0x1dc)
May 5 01:05:05 kernel: <4>[<c0041950>] (die+0x1a4/0x1dc) from [<c00453b4>] (__do_kernel_fault+0x64/0x84)
May 5 01:05:05 kernel: <4>[<c00453b4>] (__do_kernel_fault+0x64/0x84) from [<c0045524>] (do_page_fault+0x150/0x1ec)
May 5 01:05:05 kernel: <4>[<c0045524>] (do_page_fault+0x150/0x1ec) from [<c003d3a4>] (do_DataAbort+0x30/0x9c)
May 5 01:05:05 kernel: <4>[<c003d3a4>] (do_DataAbort+0x30/0x9c) from [<c03844cc>] (__dabt_svc+0x4c/0x60)
May 5 01:05:05 kernel: <4>Exception stack(0xcdf95e50 to 0xcdf95e98)
May 5 01:05:05 kernel: <4>5e40: 00000047 c7b2f936 cf441544 0059452d
May 5 01:05:05 kernel: <4>5e60: cdf5cc04 cdfbe260 cdfbe275 cfb86a00 cdfbe260 cf441520 cdf5cc00 00000000
May 5 01:05:05 kernel: <4>5e80: c003b868 cdf95e98 bf012138 bf00c480 20000013 ffffffff
May 5 01:05:05 kernel: <4>[<c03844cc>] (__dabt_svc+0x4c/0x60) from [<bf00c480>] (jffs2_add_fd_to_list+0x48/0xe0 [jffs2])
May 5 01:05:05 kernel: <4>[<bf00c480>] (jffs2_add_fd_to_list+0x48/0xe0 [jffs2]) from [<bf012138>] (jffs2_do_unlink+0x378/0x3c0 [jff
May 5 01:05:05 kernel: <4>[<bf012138>] (jffs2_do_unlink+0x378/0x3c0 [jffs2]) from [<bf00a594>] (jffs2_unlink+0x40/0x84 [jffs2])
May 5 01:05:05 kernel: <4>[<bf00a594>] (jffs2_unlink+0x40/0x84 [jffs2]) from [<c00d41f8>] (vfs_unlink+0x80/0xe8)
May 5 01:05:05 kernel: <4>[<c00d41f8>] (vfs_unlink+0x80/0xe8) from [<c00d59f8>] (do_unlinkat+0x148/0x174)
May 5 01:05:05 kernel: <4>[<c00d59f8>] (do_unlinkat+0x148/0x174) from [<c003dd20>] (ret_fast_syscall+0x0/0x30)
May 5 01:05:05 kernel: _ End of Reboot message (8180) ... _______________________________________________________