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Date: Fri, 23 Nov 2018 10:37:43 +0200 From: Meelis Roos <mroos@...ux.ee> To: Mike Rapoport <rppt@...ux.ibm.com> Cc: LKML <linux-kernel@...r.kernel.org>, linux-alpha@...r.kernel.org Subject: Re: NO_BOOTMEM breaks alpha pc164 >> When it hangs, it hangs right after starting init. "random: crng init done" is printed >> after starting init and nothing more appears on serial console. > > Can you please send the kernel log for the broken boot case? > What happens if you try to boot with "init=/bin/sh" added to the kernel > command line? Is the system able to start shell? Here it is, with init=/bin/sh: aboot> b 1/test root=/dev/sda2 console=ttyS0 init=/bin/sh aboot: loading uncompressed test... aboot: loading compressed test... aboot: PHDR 0 vaddr 0xfffffc0000310000 offset 0x2000 size 0x7953a4 aboot: bss at 0xfffffc0000aa53a4, size 0x163634 aboot: zero-filling 1455668 bytes at 0xfffffc0000aa53a4 aboot: starting kernel test with arguments root=/dev/sda2 console=ttyS0 init=/bin/sh [ 0.000000] Linux version 4.19.0-06942-g6471f52af786 (mroos@...64) (gcc version 7.3.0 (Gentoo 7.3.0-r3 p1.4)) #114 Thu Nov 22 04:16:19 EET 2018 [ 0.000000] Booting on EB164 variation PC164 using machine vector PC164 from SRM [ 0.000000] Major Options: EV56 LEGACY_START VERBOSE_MCHECK DISCONTIGMEM MAGIC_SYSRQ [ 0.000000] Command line: root=/dev/sda2 console=ttyS0 init=/bin/sh [ 0.000000] Raw memory layout: [ 0.000000] memcluster 0, usage 1, start 0, end 192 [ 0.000000] memcluster 1, usage 0, start 192, end 32651 [ 0.000000] memcluster 2, usage 1, start 32651, end 32768 [ 0.000000] Initializing bootmem allocator on Node ID 0 [ 0.000000] memcluster 1, usage 0, start 192, end 32651 [ 0.000000] Detected node memory: start 192, end 32651 [ 0.000000] 1024K Bcache detected; load hit latency 30 cycles, load miss latency 212 cycles [ 0.000000] pci: cia revision 2 [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 32427 [ 0.000000] Kernel command line: root=/dev/sda2 console=ttyS0 init=/bin/sh [ 0.000000] Dentry cache hash table entries: 32768 (order: 5, 262144 bytes) [ 0.000000] Inode-cache hash table entries: 16384 (order: 4, 131072 bytes) [ 0.000000] Sorting __ex_table... [ 0.000000] Memory: 249704K/261208K available (5435K kernel code, 372K rwdata, 1736K rodata, 208K init, 1421K bss, 11504K reserved, 0K cma-reserved) [ 0.000000] SLUB: HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=128 [ 0.000000] NR_IRQS: 35 [ 0.000000] clocksource: rpcc: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 3822520893 ns [ 0.001953] Console: colour VGA+ 80x25 [ 0.024414] printk: console [ttyS0] enabled [ 0.025390] Calibrating delay loop... 985.92 BogoMIPS (lpj=480768) [ 0.034179] pid_max: default: 32768 minimum: 301 [ 0.036132] Mount-cache hash table entries: 1024 (order: 0, 8192 bytes) [ 0.037109] Mountpoint-cache hash table entries: 1024 (order: 0, 8192 bytes) [ 0.046874] devtmpfs: initialized [ 0.048828] random: get_random_u32 called from bucket_table_alloc.isra.18+0xbc/0x270 with crng_init=0 [ 0.050781] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1866466235866741 ns [ 0.051757] futex hash table entries: 256 (order: -1, 6144 bytes) [ 0.053710] NET: Registered protocol family 16 [ 0.056640] pci: passed tb register update test [ 0.057617] pci: passed sg loopback i/o read test [ 0.058593] pci: passed tbia test [ 0.059570] pci: passed pte write cache snoop test [ 0.060546] pci: failed valid tag invalid pte reload test (mcheck; workaround available) [ 0.061523] pci: passed pci machine check test [ 0.063476] PCI host bridge to bus 0000:00 [ 0.064453] pci_bus 0000:00: root bus resource [io 0x0000-0xffff] [ 0.065429] pci_bus 0000:00: root bus resource [mem 0x00000000-0x1fffffff] [ 0.066406] pci_bus 0000:00: No busn resource found for root bus, will use [bus 00-ff] [ 0.070312] pci 0000:00:0b.0: legacy IDE quirk: reg 0x10: [io 0x01f0-0x01f7] [ 0.071289] pci 0000:00:0b.0: legacy IDE quirk: reg 0x14: [io 0x03f6] [ 0.072265] pci 0000:00:0b.0: legacy IDE quirk: reg 0x18: [io 0x0170-0x0177] [ 0.073242] pci 0000:00:0b.0: legacy IDE quirk: reg 0x1c: [io 0x0376] [ 0.076171] pci: enabling save/restore of SRM state [ 0.077148] pci 0000:00:06.0: BAR 0: assigned [mem 0x03000000-0x03ffffff pref] [ 0.078124] pci 0000:00:06.0: BAR 2: assigned [mem 0x02800000-0x02ffffff] [ 0.079101] pci 0000:00:09.0: BAR 6: assigned [mem 0x02200000-0x0223ffff pref] [ 0.080078] pci 0000:00:05.0: BAR 6: assigned [mem 0x02240000-0x0225ffff pref] [ 0.081054] pci 0000:00:06.0: BAR 6: assigned [mem 0x02260000-0x0226ffff pref] [ 0.082031] pci 0000:00:06.0: BAR 1: assigned [mem 0x02270000-0x02273fff] [ 0.083007] pci 0000:00:05.0: BAR 2: assigned [mem 0x02274000-0x02274fff] [ 0.083984] pci 0000:00:05.0: BAR 0: assigned [io 0x8000-0x80ff] [ 0.084960] pci 0000:00:05.0: BAR 1: assigned [mem 0x02275000-0x022750ff] [ 0.085937] pci 0000:00:09.0: BAR 0: assigned [io 0x8400-0x847f] [ 0.086914] pci 0000:00:09.0: BAR 1: assigned [mem 0x02276000-0x0227607f] [ 0.087890] pci 0000:00:0b.0: BAR 4: assigned [io 0x8480-0x848f] [ 0.088867] SMC FDC37C93X Ultra I/O Controller found @ 0x370 [ 0.100585] pci 0000:00:06.0: vgaarb: setting as boot VGA device [ 0.100585] pci 0000:00:06.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 0.101562] pci 0000:00:06.0: vgaarb: bridge control possible [ 0.102539] vgaarb: loaded [ 0.104492] SCSI subsystem initialized [ 0.107421] clocksource: Switched to clocksource rpcc [ 0.132812] NET: Registered protocol family 2 [ 0.135742] tcp_listen_portaddr_hash hash table entries: 512 (order: 0, 8192 bytes) [ 0.136718] TCP established hash table entries: 2048 (order: 1, 16384 bytes) [ 0.137695] TCP bind hash table entries: 2048 (order: 1, 16384 bytes) [ 0.138671] TCP: Hash tables configured (established 2048 bind 2048) [ 0.140624] UDP hash table entries: 256 (order: 0, 8192 bytes) [ 0.142578] UDP-Lite hash table entries: 256 (order: 0, 8192 bytes) [ 0.144531] NET: Registered protocol family 1 [ 0.148437] srm_env: version 0.0.6 loaded successfully [ 0.149413] Using epoch 2000 for rtc year 18 [ 0.152343] platform rtc-alpha: rtc core: registered rtc-alpha as rtc0 [ 0.154296] workingset: timestamp_bits=55 max_order=15 bucket_order=0 [ 0.188476] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 252) [ 0.189453] io scheduler noop registered [ 0.191406] io scheduler cfq registered (default) [ 0.194335] Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled [ 0.196288] serial8250: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 0.198242] serial8250: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 0.249999] random: fast init done [ 0.352538] sym0: <875> rev 0x3 at pci 0000:00:05.0 irq 18 [ 0.356445] Floppy drive(s): fd0 is 2.88M [ 0.445312] sym0: Symbios NVRAM, ID 7, Fast-20, SE, parity checking [ 0.446288] sym0: open drain IRQ line driver, using on-chip SRAM [ 0.447265] sym0: using LOAD/STORE-based firmware. [ 0.449218] sym0: SCSI BUS has been reset. [ 0.450195] scsi host0: sym-2.2.3 [ 0.453124] Linux Tulip driver version 1.1.15-NAPI (Feb 27, 2007) [ 0.458984] tulip0: Old format EEPROM on 'Accton EN1207' board. Using substitute media control info [ 0.459960] tulip0: EEPROM default media type Autosense [ 0.461913] tulip0: Index #0 - Media 10base2 (#1) described by a 21140 non-MII (0) block [ 0.462890] tulip0: Index #1 - Media 10baseT (#0) described by a 21140 non-MII (0) block [ 0.463866] tulip0: Index #2 - Media 10baseT-FDX (#4) described by a 21140 non-MII (0) block [ 0.464843] tulip0: Index #3 - Media 100baseTx (#3) described by a 21140 non-MII (0) block [ 0.465820] tulip0: Index #4 - Media 100baseTx-FDX (#5) described by a 21140 non-MII (0) block [ 0.467773] net eth0: Digital DS21140 Tulip rev 34 at MMIO 0x2276000, 00:00:e8:3c:4e:c2, IRQ 19 [ 0.474609] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 0.475585] serio: i8042 AUX port at 0x60,0x64 irq 12 [ 0.479491] NET: Registered protocol family 10 [ 0.483398] FDC 0 is a post-1991 82077 [ 0.494140] Segment Routing with IPv6 [ 0.495116] NET: Registered protocol family 17 [ 0.496093] atkbd serio0: keyboard reset failed on isa0060/serio0 [ 0.499023] platform rtc-alpha: setting system clock to 2018-11-23 09:35:28 UTC (1542965728) [ 0.554687] atkbd serio1: keyboard reset failed on isa0060/serio1 [ 0.630859] atkbd serio0: keyboard reset failed on isa0060/serio0 [ 0.696288] atkbd serio1: keyboard reset failed on isa0060/serio1 [ 3.818357] scsi 0:0:0:0: Direct-Access COMPAQ BF0369A4BC HPB7 PQ: 0 ANSI: 3 [ 3.819333] scsi target0:0:0: tagged command queuing enabled, command queue depth 16. [ 3.820310] scsi target0:0:0: Beginning Domain Validation [ 3.827146] scsi target0:0:0: FAST-20 WIDE SCSI 40.0 MB/s ST (50 ns, offset 15) [ 3.831052] scsi target0:0:0: Domain Validation skipping write tests [ 3.832029] scsi target0:0:0: Ending Domain Validation [ 3.833982] scsi 0:0:0:0: Power-on or device reset occurred [ 7.982417] sd 0:0:0:0: Attached scsi generic sg0 type 0 [ 7.983394] sd 0:0:0:0: [sda] 71132000 512-byte logical blocks: (36.4 GB/33.9 GiB) [ 7.985347] sd 0:0:0:0: [sda] Write Protect is off [ 7.987300] sd 0:0:0:0: [sda] Write cache: disabled, read cache: enabled, supports DPO and FUA [ 7.999019] sda: sda1 sda2 sda4 [ 8.006831] sd 0:0:0:0: [sda] Attached SCSI disk [ 8.032222] EXT4-fs (sda2): mounted filesystem with ordered data mode. Opts: (null) [ 8.033199] VFS: Mounted root (ext4 filesystem) readonly on device 8:2. [ 8.048824] devtmpfs: mounted [ 8.049800] Freeing unused kernel memory: 208K [ 8.050777] This architecture does not have kernel memory protection. [ 8.051753] Run /bin/sh as init process [ 8.366206] random: crng init done sh: cannot set terminal process > You can try applying the below patch to enable debug printouts from > memblock, maybe it'll shed some more light. Will try. -- Meelis Roos <mroos@...ux.ee>
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