On 01/23/2010 09:58 PM, Kalle Valo wrote: > "Philip A. Prindeville" <philipp_subx@xxxxxxxxxxxxxxxxxxxxx> writes: > >>>> Whatever you prefer. Either way, the panic is fixed now! >>>> >>> Great, and sorry about that! I'll send a patch to insert the else too. >>> >>> johannes >>> >> >> Did you send that patch? I'd like to apply it. Please copy me when >> you send it out. > > Johannes was busy and I sent the patch instead. It's here: > > http://marc.info/?l=linux-wireless&m=126427124317427&w=2 > I just applied it to compat-wireless-2010-01-20 and ran it on an AR5413 but it still panics: BUG: unable to handle kernel NULL pointer dereference at 0000019f IP: [<e0993e7f>] :mac80211:invoke_tx_handlers+0x5be/0xe6a *pde = 00000000 Oops: 0000 [#1] PREEMPT Modules linked in: aes_i586 aes_generic pc87360 hwmon_vid hwmon bridge stp llc dummy ath5k mac80211 ath cfg80211 rfkill_backport compat dahdi_dummy dahdi sha512_generic sha256_generic deflate zlib_deflate arc4 ecb sha1_generic blowfish des_generic cbc cryptosoft cryptodev(P) ocf(P) geodewdt geode_rng geode_aes crypto_blkcipher via_rhine rtc cs5535_gpio Pid: 1652, comm: hostapd Tainted: P (2.6.27.42-astlinux #1) EIP: 0060:[<e0993e7f>] EFLAGS: 00010246 CPU: 0 EIP is at invoke_tx_handlers+0x5be/0xe6a [mac80211] EAX: 00000000 EBX: df0b7cac ECX: 00000000 EDX: df0b7cac ESI: df22dce0 EDI: df22dcc0 EBP: df22dce0 ESP: df0b7c10 DS: 007b ES: 007b FS: 0000 GS: 0000 SS: 0068 Process hostapd (pid: 1652, ti=df0b6000 task=dfa43be0 task.ti=df0b6000) Stack: df032920 00000000 dfa43be0 df0b7cac df22dcc0 df22dce0 df5658dc dfa75640 dfaa5b60 df22dce0 df0b7cac e099362e df0b7cac df0b7c5c df27a45e df204260 dfa43be0 c0112426 00100100 df27a450 0000000e 0000000f df27a45c 00000012 Call Trace: [<e099362e>] ieee80211_tx_prepare+0x2ed/0x327 [mac80211] [<c0112426>] default_wake_function+0x0/0x8 [<e0994904>] ieee80211_tx+0x94/0x21b [mac80211] [<c02511cd>] pskb_expand_head+0xe7/0x14d [<e0994bfd>] ieee80211_xmit+0x172/0x196 [mac80211] [<e0994f3e>] ieee80211_monitor_start_xmit+0x8e/0xa0 [mac80211] [<c02559d0>] dev_hard_start_xmit+0x196/0x1ef [<c02611a8>] __qdisc_run+0xa1/0x183 [<c0257aee>] dev_queue_xmit+0x161/0x283 [<c0252311>] memcpy_fromiovec+0x28/0x4b [<c02a3efc>] packet_sendmsg+0x1ba/0x200 [<c024c174>] sock_sendmsg+0xb7/0xd0 [<c0123bde>] autoremove_wake_function+0x0/0x2b [<c0123bde>] autoremove_wake_function+0x0/0x2b [<c015abe6>] core_sys_select+0x260/0x285 [<c0252579>] verify_iovec+0x3e/0x6d [<c024c31a>] sys_sendmsg+0x18d/0x1f0 [<c013c232>] mark_page_accessed+0x18/0x27 [<c013778a>] filemap_fault+0x202/0x364 [<c01b7abc>] unionfs_fault+0x50/0x58 [<c0140071>] __do_fault+0x2b7/0x2e9 [<c01411fb>] handle_mm_fault+0x219/0x4a3 [<c024d209>] sys_socketcall+0x15b/0x193 [<c02ad674>] do_page_fault+0x0/0x60d [<c01037e6>] syscall_call+0x7/0xb [<c02a0000>] unix_dgram_disconnected+0x39/0x4e ======================= Code: 00 00 10 74 1f 0f b7 03 a8 0c 0f 84 52 08 00 00 eb 12 0f b7 03 a8 0c 74 0b 8b 4c 24 0c c7 41 10 00 00 00 00 8b 5c 24 0c 8b 43 10 <f6> 80 9f 01 00 00 01 0f 84 2a 08 00 00 05 98 01 00 00 89 45 1c EIP: [<e0993e7f>] invoke_tx_handlers+0x5be/0xe6a [mac80211] SS:ESP 0068:df0b7c10 Kernel panic - not syncing: Fatal exception in interrupt Slightly different from Markus's trace. -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
