Bug 170889
| Summary: | [ath] ath driver uses some uninitilized memory | ||
|---|---|---|---|
| Product: | Base System | Reporter: | Lev A. Serebryakov <lev> |
| Component: | wireless | Assignee: | freebsd-wireless (Nobody) <wireless> |
| Status: | Open --- | ||
| Severity: | Affects Only Me | ||
| Priority: | Normal | ||
| Version: | 10.0-CURRENT | ||
| Hardware: | Any | ||
| OS: | Any | ||
Responsible Changed From-To: freebsd-bugs->wireless To the owner Responsible Changed From-To: wireless->freebsd-wireless Canonicalize assignment. batch change: For bugs that match the following - Status Is In progress AND - Untouched since 2018-01-01. AND - Affects Base System OR Documentation DO: Reset to open status. Note: I did a quick pass but if you are getting this email it might be worthwhile to double check to see if this bug ought to be closed. |
With these debug flags ath driver prints out some buffers, which looks like uninitialized memory. Here is snapshot from boot log: FreeBSD 10.0-CURRENT #2 r239564M: Wed Aug 22 22:12:33 MSK 2012 root@vmware-c-32.home.serebryakov.spb.ru:/usr/obj/nanobsd.gateway-net5501/data/src/sys/NET5501 i386 > SKIPPED ath0: <Atheros 9220> mem 0xa0060000-0xa006ffff irq 15 at device 17.0 on pci0 [ath] enabling AN_TOP2_FIXUP [ath]: default pwr offset: -5 dBm != EEPROM pwr offset: 0 dBm; curves will be adjusted. ath0: DMA setup: legacy ath0: [HT] enabling HT modes ath0: [HT] 2 RX streams; 2 TX streams ath0: AR9220 mac 128.2 RF5133 phy 13.0 ath0: 2GHz radio: 0x0000; 5GHz radio: 0x00c0 > SKIPPED > wlan0 created wlan0: Ethernet address: 00:0c:42:64:69:92 ath0: ath_init: if_flags 0x8803 ath0: ath_stop_locked: invalid 0 if_flags 0x8803 ath0: ath_init: imask=0xe0000071 ath0: ath_txq_update: Q1 qflags 0xf aifs 3 cwmin 15 cwmax 63 burstTime 0 ath0: ath_txq_update: Q0 qflags 0xf aifs 7 cwmin 15 cwmax 1023 burstTime 0 ath0: ath_txq_update: Q2 qflags 0xf aifs 1 cwmin 7 cwmax 15 burstTime 3008 ath0: ath_txq_update: Q3 qflags 0xf aifs 1 cwmin 3 cwmax 7 burstTime 1504 ath0: ath_chan_set: 1 (2412 MHz, flags 0x10480) ath0: ath_legacy_stoprecv: rx queue 0x2e7b000, link 0xd5e872a0 ath0: ath_stoptxdma: tx queue [9] 0, link 0 ath0: ath_tx_stopdma: tx queue [0] 0, link 0 ath0: ath_tx_stopdma: tx queue [1] 0, link 0 ath0: ath_tx_stopdma: tx queue [2] 0, link 0 ath0: ath_tx_stopdma: tx queue [3] 0, link 0 ath0: ath_tx_stopdma: tx queue [8] 0, link 0 ath0: ath_stoptxdma: tx queue [9] 0, link 0 ath0: ath_tx_stopdma: tx queue [0] 0, link 0 ath0: ath_tx_stopdma: tx queue [1] 0, link 0 ath0: ath_tx_stopdma: tx queue [2] 0, link 0 ath0: ath_tx_stopdma: tx queue [3] 0, link 0 ath0: ath_tx_stopdma: tx queue [8] 0, link 0 ath0: ath_txq_update: Q1 qflags 0xf aifs 2 cwmin 7 cwmax 1023 burstTime 2048 ath0: ath_txq_update: Q0 qflags 0xf aifs 7 cwmin 15 cwmax 1023 burstTime 0 ath0: ath_txq_update: Q2 qflags 0xf aifs 1 cwmin 7 cwmax 15 burstTime 3008 ath0: ath_txq_update: Q3 qflags 0xf aifs 1 cwmin 3 cwmax 7 burstTime 1504 ath0: ath_setslottime: chan 2412 MHz flags 0x10480 short slot, 9 usec Starting hostapd. Configuration file: /etc/hostapd.conf ath0: ath_stop_locked: invalid 0 if_flags 0x8802 ath0: ath_stoptxdma: tx queue [9] 0x2e7a000, link 0 ath0: ath_tx_stopdma: tx queue [0] 0, link 0 ath0: ath_tx_stopdma: tx queue [1] 0x2dfe480, link 0 ath0: ath_tx_stopdma: tx queue [2] 0, link 0 ath0: ath_tx_stopdma: tx queue [3] 0, link 0 ath0: ath_tx_stopdma: tx queue [8] 0, link 0 ath0: ath_legacy_stoprecv: rx queue 0x2e83f60, link 0xd5e83e40 R[ 0] (DS.V:0xd5e83ea0 DS.P:0x2e83ea0) L:02e83f00 D:187bd800 * aa55aa55 00000800 1b801b1f 00000125 00e632e1 00000100 21808080 80808080 80808080 80808080 00000003 R[ 1] (DS.V:0xd5e83f00 DS.P:0x2e83f00) L:02e83f60 D:187bf000 * aa55aa55 00000800 1b801406 000000ee 00e6b613 00000100 14808080 80808080 80808080 80808080 00000003 Using interface wlan0 with hwaddr 00:0c:42:64:69:92 and ssid 'home.serebryakov.spb.ru' ath0: ath_init: if_flags 0x8803 ath0: ath_stop_locked: invalid 0 if_flags 0x8803 ath0: ath_init: imask=0xe0000071 ath0: ath_txq_update: Q1 qflags 0xf aifs 3 cwmin 15 cwmax 63 burstTime 0 ath0: ath_txq_update: Q0 qflags 0xf aifs 7 cwmin 15 cwmax 1023 burstTime 0 ath0: ath_txq_update: Q2 qflags 0xf aifs 1 cwmin 7 cwmax 15 burstTime 3008 ath0: ath_txq_update: Q3 qflags 0xf aifs 1 cwmin 3 cwmax 7 burstTime 1504 ath0: ath_chan_set: 1 (2412 MHz, flags 0x10480) ath0: ath_txq_update: Q1 qflags 0xf aifs 2 cwmin 7 cwmax 1023 burstTime 2048 ath0: ath_txq_update: Q0 qflags 0xf aifs 7 cwmin 15 cwmax 1023 burstTime 0 ath0: ath_txq_update: Q2 qflags 0xf aifs 1 cwmin 7 cwmax 15 burstTime 3008 ath0: ath_txq_update: Q3 qflags 0xf aifs 1 cwmin 3 cwmax 7 burstTime 1504 ath0: ath_setslottime: chan 2412 MHz flags 0x10480 short slot, 9 usec How-To-Repeat: Build driver, add debugging :)